| // SPDX-License-Identifier: GPL-2.0-or-later | 
 | /* | 
 |  *  HID driver for Sony / PS2 / PS3 / PS4 BD devices. | 
 |  * | 
 |  *  Copyright (c) 1999 Andreas Gal | 
 |  *  Copyright (c) 2000-2005 Vojtech Pavlik <[email protected]> | 
 |  *  Copyright (c) 2005 Michael Haboustak <[email protected]> for Concept2, Inc | 
 |  *  Copyright (c) 2008 Jiri Slaby | 
 |  *  Copyright (c) 2012 David Dillow <[email protected]> | 
 |  *  Copyright (c) 2006-2013 Jiri Kosina | 
 |  *  Copyright (c) 2013 Colin Leitner <[email protected]> | 
 |  *  Copyright (c) 2014-2016 Frank Praznik <[email protected]> | 
 |  *  Copyright (c) 2018 Todd Kelner | 
 |  */ | 
 |  | 
 | /* | 
 |  */ | 
 |  | 
 | /* | 
 |  * NOTE: in order for the Sony PS3 BD Remote Control to be found by | 
 |  * a Bluetooth host, the key combination Start+Enter has to be kept pressed | 
 |  * for about 7 seconds with the Bluetooth Host Controller in discovering mode. | 
 |  * | 
 |  * There will be no PIN request from the device. | 
 |  */ | 
 |  | 
 | #include <linux/device.h> | 
 | #include <linux/hid.h> | 
 | #include <linux/module.h> | 
 | #include <linux/slab.h> | 
 | #include <linux/leds.h> | 
 | #include <linux/power_supply.h> | 
 | #include <linux/spinlock.h> | 
 | #include <linux/list.h> | 
 | #include <linux/idr.h> | 
 | #include <linux/input/mt.h> | 
 | #include <linux/crc32.h> | 
 | #include <asm/unaligned.h> | 
 |  | 
 | #include "hid-ids.h" | 
 |  | 
 | #define VAIO_RDESC_CONSTANT       BIT(0) | 
 | #define SIXAXIS_CONTROLLER_USB    BIT(1) | 
 | #define SIXAXIS_CONTROLLER_BT     BIT(2) | 
 | #define BUZZ_CONTROLLER           BIT(3) | 
 | #define PS3REMOTE                 BIT(4) | 
 | #define DUALSHOCK4_CONTROLLER_USB BIT(5) | 
 | #define DUALSHOCK4_CONTROLLER_BT  BIT(6) | 
 | #define DUALSHOCK4_DONGLE         BIT(7) | 
 | #define MOTION_CONTROLLER_USB     BIT(8) | 
 | #define MOTION_CONTROLLER_BT      BIT(9) | 
 | #define NAVIGATION_CONTROLLER_USB BIT(10) | 
 | #define NAVIGATION_CONTROLLER_BT  BIT(11) | 
 | #define SINO_LITE_CONTROLLER      BIT(12) | 
 | #define FUTUREMAX_DANCE_MAT       BIT(13) | 
 | #define NSG_MR5U_REMOTE_BT        BIT(14) | 
 | #define NSG_MR7U_REMOTE_BT        BIT(15) | 
 | #define SHANWAN_GAMEPAD           BIT(16) | 
 |  | 
 | #define SIXAXIS_CONTROLLER (SIXAXIS_CONTROLLER_USB | SIXAXIS_CONTROLLER_BT) | 
 | #define MOTION_CONTROLLER (MOTION_CONTROLLER_USB | MOTION_CONTROLLER_BT) | 
 | #define NAVIGATION_CONTROLLER (NAVIGATION_CONTROLLER_USB |\ | 
 | 				NAVIGATION_CONTROLLER_BT) | 
 | #define DUALSHOCK4_CONTROLLER (DUALSHOCK4_CONTROLLER_USB |\ | 
 | 				DUALSHOCK4_CONTROLLER_BT | \ | 
 | 				DUALSHOCK4_DONGLE) | 
 | #define SONY_LED_SUPPORT (SIXAXIS_CONTROLLER | BUZZ_CONTROLLER |\ | 
 | 				DUALSHOCK4_CONTROLLER | MOTION_CONTROLLER |\ | 
 | 				NAVIGATION_CONTROLLER) | 
 | #define SONY_BATTERY_SUPPORT (SIXAXIS_CONTROLLER | DUALSHOCK4_CONTROLLER |\ | 
 | 				MOTION_CONTROLLER_BT | NAVIGATION_CONTROLLER) | 
 | #define SONY_FF_SUPPORT (SIXAXIS_CONTROLLER | DUALSHOCK4_CONTROLLER |\ | 
 | 				MOTION_CONTROLLER) | 
 | #define SONY_BT_DEVICE (SIXAXIS_CONTROLLER_BT | DUALSHOCK4_CONTROLLER_BT |\ | 
 | 			MOTION_CONTROLLER_BT | NAVIGATION_CONTROLLER_BT) | 
 | #define NSG_MRXU_REMOTE (NSG_MR5U_REMOTE_BT | NSG_MR7U_REMOTE_BT) | 
 |  | 
 | #define MAX_LEDS 4 | 
 | #define NSG_MRXU_MAX_X 1667 | 
 | #define NSG_MRXU_MAX_Y 1868 | 
 |  | 
 |  | 
 | /* PS/3 Motion controller */ | 
 | static u8 motion_rdesc[] = { | 
 | 	0x05, 0x01,         /*  Usage Page (Desktop),               */ | 
 | 	0x09, 0x04,         /*  Usage (Joystick),                   */ | 
 | 	0xA1, 0x01,         /*  Collection (Application),           */ | 
 | 	0xA1, 0x02,         /*      Collection (Logical),           */ | 
 | 	0x85, 0x01,         /*          Report ID (1),              */ | 
 | 	0x75, 0x01,         /*          Report Size (1),            */ | 
 | 	0x95, 0x15,         /*          Report Count (21),          */ | 
 | 	0x15, 0x00,         /*          Logical Minimum (0),        */ | 
 | 	0x25, 0x01,         /*          Logical Maximum (1),        */ | 
 | 	0x35, 0x00,         /*          Physical Minimum (0),       */ | 
 | 	0x45, 0x01,         /*          Physical Maximum (1),       */ | 
 | 	0x05, 0x09,         /*          Usage Page (Button),        */ | 
 | 	0x19, 0x01,         /*          Usage Minimum (01h),        */ | 
 | 	0x29, 0x15,         /*          Usage Maximum (15h),        */ | 
 | 	0x81, 0x02,         /*          Input (Variable),           * Buttons */ | 
 | 	0x95, 0x0B,         /*          Report Count (11),          */ | 
 | 	0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */ | 
 | 	0x81, 0x03,         /*          Input (Constant, Variable), * Padding */ | 
 | 	0x15, 0x00,         /*          Logical Minimum (0),        */ | 
 | 	0x26, 0xFF, 0x00,   /*          Logical Maximum (255),      */ | 
 | 	0x05, 0x01,         /*          Usage Page (Desktop),       */ | 
 | 	0xA1, 0x00,         /*          Collection (Physical),      */ | 
 | 	0x75, 0x08,         /*              Report Size (8),        */ | 
 | 	0x95, 0x01,         /*              Report Count (1),       */ | 
 | 	0x35, 0x00,         /*              Physical Minimum (0),   */ | 
 | 	0x46, 0xFF, 0x00,   /*              Physical Maximum (255), */ | 
 | 	0x09, 0x30,         /*              Usage (X),              */ | 
 | 	0x81, 0x02,         /*              Input (Variable),       * Trigger */ | 
 | 	0xC0,               /*          End Collection,             */ | 
 | 	0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */ | 
 | 	0x75, 0x08,         /*          Report Size (8),            */ | 
 | 	0x95, 0x07,         /*          Report Count (7),           * skip 7 bytes */ | 
 | 	0x81, 0x02,         /*          Input (Variable),           */ | 
 | 	0x05, 0x01,         /*          Usage Page (Desktop),       */ | 
 | 	0x75, 0x10,         /*          Report Size (16),           */ | 
 | 	0x46, 0xFF, 0xFF,   /*          Physical Maximum (65535),   */ | 
 | 	0x27, 0xFF, 0xFF, 0x00, 0x00, /*      Logical Maximum (65535),    */ | 
 | 	0x95, 0x03,         /*          Report Count (3),           * 3x Accels */ | 
 | 	0x09, 0x33,         /*              Usage (rX),             */ | 
 | 	0x09, 0x34,         /*              Usage (rY),             */ | 
 | 	0x09, 0x35,         /*              Usage (rZ),             */ | 
 | 	0x81, 0x02,         /*          Input (Variable),           */ | 
 | 	0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */ | 
 | 	0x95, 0x03,         /*          Report Count (3),           * Skip Accels 2nd frame */ | 
 | 	0x81, 0x02,         /*          Input (Variable),           */ | 
 | 	0x05, 0x01,         /*          Usage Page (Desktop),       */ | 
 | 	0x09, 0x01,         /*          Usage (Pointer),            */ | 
 | 	0x95, 0x03,         /*          Report Count (3),           * 3x Gyros */ | 
 | 	0x81, 0x02,         /*          Input (Variable),           */ | 
 | 	0x06, 0x00, 0xFF,   /*          Usage Page (FF00h),         */ | 
 | 	0x95, 0x03,         /*          Report Count (3),           * Skip Gyros 2nd frame */ | 
 | 	0x81, 0x02,         /*          Input (Variable),           */ | 
 | 	0x75, 0x0C,         /*          Report Size (12),           */ | 
 | 	0x46, 0xFF, 0x0F,   /*          Physical Maximum (4095),    */ | 
 | 	0x26, 0xFF, 0x0F,   /*          Logical Maximum (4095),     */ | 
 | 	0x95, 0x04,         /*          Report Count (4),           * Skip Temp and Magnetometers */ | 
 | 	0x81, 0x02,         /*          Input (Variable),           */ | 
 | 	0x75, 0x08,         /*          Report Size (8),            */ | 
 | 	0x46, 0xFF, 0x00,   /*          Physical Maximum (255),     */ | 
 | 	0x26, 0xFF, 0x00,   /*          Logical Maximum (255),      */ | 
 | 	0x95, 0x06,         /*          Report Count (6),           * Skip Timestamp and Extension Bytes */ | 
 | 	0x81, 0x02,         /*          Input (Variable),           */ | 
 | 	0x75, 0x08,         /*          Report Size (8),            */ | 
 | 	0x95, 0x30,         /*          Report Count (48),          */ | 
 | 	0x09, 0x01,         /*          Usage (Pointer),            */ | 
 | 	0x91, 0x02,         /*          Output (Variable),          */ | 
 | 	0x75, 0x08,         /*          Report Size (8),            */ | 
 | 	0x95, 0x30,         /*          Report Count (48),          */ | 
 | 	0x09, 0x01,         /*          Usage (Pointer),            */ | 
 | 	0xB1, 0x02,         /*          Feature (Variable),         */ | 
 | 	0xC0,               /*      End Collection,                 */ | 
 | 	0xA1, 0x02,         /*      Collection (Logical),           */ | 
 | 	0x85, 0x02,         /*          Report ID (2),              */ | 
 | 	0x75, 0x08,         /*          Report Size (8),            */ | 
 | 	0x95, 0x30,         /*          Report Count (48),          */ | 
 | 	0x09, 0x01,         /*          Usage (Pointer),            */ | 
 | 	0xB1, 0x02,         /*          Feature (Variable),         */ | 
 | 	0xC0,               /*      End Collection,                 */ | 
 | 	0xA1, 0x02,         /*      Collection (Logical),           */ | 
 | 	0x85, 0xEE,         /*          Report ID (238),            */ | 
 | 	0x75, 0x08,         /*          Report Size (8),            */ | 
 | 	0x95, 0x30,         /*          Report Count (48),          */ | 
 | 	0x09, 0x01,         /*          Usage (Pointer),            */ | 
 | 	0xB1, 0x02,         /*          Feature (Variable),         */ | 
 | 	0xC0,               /*      End Collection,                 */ | 
 | 	0xA1, 0x02,         /*      Collection (Logical),           */ | 
 | 	0x85, 0xEF,         /*          Report ID (239),            */ | 
 | 	0x75, 0x08,         /*          Report Size (8),            */ | 
 | 	0x95, 0x30,         /*          Report Count (48),          */ | 
 | 	0x09, 0x01,         /*          Usage (Pointer),            */ | 
 | 	0xB1, 0x02,         /*          Feature (Variable),         */ | 
 | 	0xC0,               /*      End Collection,                 */ | 
 | 	0xC0                /*  End Collection                      */ | 
 | }; | 
 |  | 
 | static u8 ps3remote_rdesc[] = { | 
 | 	0x05, 0x01,          /* GUsagePage Generic Desktop */ | 
 | 	0x09, 0x05,          /* LUsage 0x05 [Game Pad] */ | 
 | 	0xA1, 0x01,          /* MCollection Application (mouse, keyboard) */ | 
 |  | 
 | 	 /* Use collection 1 for joypad buttons */ | 
 | 	 0xA1, 0x02,         /* MCollection Logical (interrelated data) */ | 
 |  | 
 | 	  /* | 
 | 	   * Ignore the 1st byte, maybe it is used for a controller | 
 | 	   * number but it's not needed for correct operation | 
 | 	   */ | 
 | 	  0x75, 0x08,        /* GReportSize 0x08 [8] */ | 
 | 	  0x95, 0x01,        /* GReportCount 0x01 [1] */ | 
 | 	  0x81, 0x01,        /* MInput 0x01 (Const[0] Arr[1] Abs[2]) */ | 
 |  | 
 | 	  /* | 
 | 	   * Bytes from 2nd to 4th are a bitmap for joypad buttons, for these | 
 | 	   * buttons multiple keypresses are allowed | 
 | 	   */ | 
 | 	  0x05, 0x09,        /* GUsagePage Button */ | 
 | 	  0x19, 0x01,        /* LUsageMinimum 0x01 [Button 1 (primary/trigger)] */ | 
 | 	  0x29, 0x18,        /* LUsageMaximum 0x18 [Button 24] */ | 
 | 	  0x14,              /* GLogicalMinimum [0] */ | 
 | 	  0x25, 0x01,        /* GLogicalMaximum 0x01 [1] */ | 
 | 	  0x75, 0x01,        /* GReportSize 0x01 [1] */ | 
 | 	  0x95, 0x18,        /* GReportCount 0x18 [24] */ | 
 | 	  0x81, 0x02,        /* MInput 0x02 (Data[0] Var[1] Abs[2]) */ | 
 |  | 
 | 	  0xC0,              /* MEndCollection */ | 
 |  | 
 | 	 /* Use collection 2 for remote control buttons */ | 
 | 	 0xA1, 0x02,         /* MCollection Logical (interrelated data) */ | 
 |  | 
 | 	  /* 5th byte is used for remote control buttons */ | 
 | 	  0x05, 0x09,        /* GUsagePage Button */ | 
 | 	  0x18,              /* LUsageMinimum [No button pressed] */ | 
 | 	  0x29, 0xFE,        /* LUsageMaximum 0xFE [Button 254] */ | 
 | 	  0x14,              /* GLogicalMinimum [0] */ | 
 | 	  0x26, 0xFE, 0x00,  /* GLogicalMaximum 0x00FE [254] */ | 
 | 	  0x75, 0x08,        /* GReportSize 0x08 [8] */ | 
 | 	  0x95, 0x01,        /* GReportCount 0x01 [1] */ | 
 | 	  0x80,              /* MInput  */ | 
 |  | 
 | 	  /* | 
 | 	   * Ignore bytes from 6th to 11th, 6th to 10th are always constant at | 
 | 	   * 0xff and 11th is for press indication | 
 | 	   */ | 
 | 	  0x75, 0x08,        /* GReportSize 0x08 [8] */ | 
 | 	  0x95, 0x06,        /* GReportCount 0x06 [6] */ | 
 | 	  0x81, 0x01,        /* MInput 0x01 (Const[0] Arr[1] Abs[2]) */ | 
 |  | 
 | 	  /* 12th byte is for battery strength */ | 
 | 	  0x05, 0x06,        /* GUsagePage Generic Device Controls */ | 
 | 	  0x09, 0x20,        /* LUsage 0x20 [Battery Strength] */ | 
 | 	  0x14,              /* GLogicalMinimum [0] */ | 
 | 	  0x25, 0x05,        /* GLogicalMaximum 0x05 [5] */ | 
 | 	  0x75, 0x08,        /* GReportSize 0x08 [8] */ | 
 | 	  0x95, 0x01,        /* GReportCount 0x01 [1] */ | 
 | 	  0x81, 0x02,        /* MInput 0x02 (Data[0] Var[1] Abs[2]) */ | 
 |  | 
 | 	  0xC0,              /* MEndCollection */ | 
 |  | 
 | 	 0xC0                /* MEndCollection [Game Pad] */ | 
 | }; | 
 |  | 
 | static const unsigned int ps3remote_keymap_joypad_buttons[] = { | 
 | 	[0x01] = KEY_SELECT, | 
 | 	[0x02] = BTN_THUMBL,		/* L3 */ | 
 | 	[0x03] = BTN_THUMBR,		/* R3 */ | 
 | 	[0x04] = BTN_START, | 
 | 	[0x05] = KEY_UP, | 
 | 	[0x06] = KEY_RIGHT, | 
 | 	[0x07] = KEY_DOWN, | 
 | 	[0x08] = KEY_LEFT, | 
 | 	[0x09] = BTN_TL2,		/* L2 */ | 
 | 	[0x0a] = BTN_TR2,		/* R2 */ | 
 | 	[0x0b] = BTN_TL,		/* L1 */ | 
 | 	[0x0c] = BTN_TR,		/* R1 */ | 
 | 	[0x0d] = KEY_OPTION,		/* options/triangle */ | 
 | 	[0x0e] = KEY_BACK,		/* back/circle */ | 
 | 	[0x0f] = BTN_0,			/* cross */ | 
 | 	[0x10] = KEY_SCREEN,		/* view/square */ | 
 | 	[0x11] = KEY_HOMEPAGE,		/* PS button */ | 
 | 	[0x14] = KEY_ENTER, | 
 | }; | 
 | static const unsigned int ps3remote_keymap_remote_buttons[] = { | 
 | 	[0x00] = KEY_1, | 
 | 	[0x01] = KEY_2, | 
 | 	[0x02] = KEY_3, | 
 | 	[0x03] = KEY_4, | 
 | 	[0x04] = KEY_5, | 
 | 	[0x05] = KEY_6, | 
 | 	[0x06] = KEY_7, | 
 | 	[0x07] = KEY_8, | 
 | 	[0x08] = KEY_9, | 
 | 	[0x09] = KEY_0, | 
 | 	[0x0e] = KEY_ESC,		/* return */ | 
 | 	[0x0f] = KEY_CLEAR, | 
 | 	[0x16] = KEY_EJECTCD, | 
 | 	[0x1a] = KEY_MENU,		/* top menu */ | 
 | 	[0x28] = KEY_TIME, | 
 | 	[0x30] = KEY_PREVIOUS, | 
 | 	[0x31] = KEY_NEXT, | 
 | 	[0x32] = KEY_PLAY, | 
 | 	[0x33] = KEY_REWIND,		/* scan back */ | 
 | 	[0x34] = KEY_FORWARD,		/* scan forward */ | 
 | 	[0x38] = KEY_STOP, | 
 | 	[0x39] = KEY_PAUSE, | 
 | 	[0x40] = KEY_CONTEXT_MENU,	/* pop up/menu */ | 
 | 	[0x60] = KEY_FRAMEBACK,		/* slow/step back */ | 
 | 	[0x61] = KEY_FRAMEFORWARD,	/* slow/step forward */ | 
 | 	[0x63] = KEY_SUBTITLE, | 
 | 	[0x64] = KEY_AUDIO, | 
 | 	[0x65] = KEY_ANGLE, | 
 | 	[0x70] = KEY_INFO,		/* display */ | 
 | 	[0x80] = KEY_BLUE, | 
 | 	[0x81] = KEY_RED, | 
 | 	[0x82] = KEY_GREEN, | 
 | 	[0x83] = KEY_YELLOW, | 
 | }; | 
 |  | 
 | static const unsigned int buzz_keymap[] = { | 
 | 	/* | 
 | 	 * The controller has 4 remote buzzers, each with one LED and 5 | 
 | 	 * buttons. | 
 | 	 * | 
 | 	 * We use the mapping chosen by the controller, which is: | 
 | 	 * | 
 | 	 * Key          Offset | 
 | 	 * ------------------- | 
 | 	 * Buzz              1 | 
 | 	 * Blue              5 | 
 | 	 * Orange            4 | 
 | 	 * Green             3 | 
 | 	 * Yellow            2 | 
 | 	 * | 
 | 	 * So, for example, the orange button on the third buzzer is mapped to | 
 | 	 * BTN_TRIGGER_HAPPY14 | 
 | 	 */ | 
 | 	 [1] = BTN_TRIGGER_HAPPY1, | 
 | 	 [2] = BTN_TRIGGER_HAPPY2, | 
 | 	 [3] = BTN_TRIGGER_HAPPY3, | 
 | 	 [4] = BTN_TRIGGER_HAPPY4, | 
 | 	 [5] = BTN_TRIGGER_HAPPY5, | 
 | 	 [6] = BTN_TRIGGER_HAPPY6, | 
 | 	 [7] = BTN_TRIGGER_HAPPY7, | 
 | 	 [8] = BTN_TRIGGER_HAPPY8, | 
 | 	 [9] = BTN_TRIGGER_HAPPY9, | 
 | 	[10] = BTN_TRIGGER_HAPPY10, | 
 | 	[11] = BTN_TRIGGER_HAPPY11, | 
 | 	[12] = BTN_TRIGGER_HAPPY12, | 
 | 	[13] = BTN_TRIGGER_HAPPY13, | 
 | 	[14] = BTN_TRIGGER_HAPPY14, | 
 | 	[15] = BTN_TRIGGER_HAPPY15, | 
 | 	[16] = BTN_TRIGGER_HAPPY16, | 
 | 	[17] = BTN_TRIGGER_HAPPY17, | 
 | 	[18] = BTN_TRIGGER_HAPPY18, | 
 | 	[19] = BTN_TRIGGER_HAPPY19, | 
 | 	[20] = BTN_TRIGGER_HAPPY20, | 
 | }; | 
 |  | 
 | /* The Navigation controller is a partial DS3 and uses the same HID report | 
 |  * and hence the same keymap indices, however not not all axes/buttons | 
 |  * are physically present. We use the same axis and button mapping as | 
 |  * the DS3, which uses the Linux gamepad spec. | 
 |  */ | 
 | static const unsigned int navigation_absmap[] = { | 
 | 	[0x30] = ABS_X, | 
 | 	[0x31] = ABS_Y, | 
 | 	[0x33] = ABS_Z, /* L2 */ | 
 | }; | 
 |  | 
 | /* Buttons not physically available on the device, but still available | 
 |  * in the reports are explicitly set to 0 for documentation purposes. | 
 |  */ | 
 | static const unsigned int navigation_keymap[] = { | 
 | 	[0x01] = 0, /* Select */ | 
 | 	[0x02] = BTN_THUMBL, /* L3 */ | 
 | 	[0x03] = 0, /* R3 */ | 
 | 	[0x04] = 0, /* Start */ | 
 | 	[0x05] = BTN_DPAD_UP, /* Up */ | 
 | 	[0x06] = BTN_DPAD_RIGHT, /* Right */ | 
 | 	[0x07] = BTN_DPAD_DOWN, /* Down */ | 
 | 	[0x08] = BTN_DPAD_LEFT, /* Left */ | 
 | 	[0x09] = BTN_TL2, /* L2 */ | 
 | 	[0x0a] = 0, /* R2 */ | 
 | 	[0x0b] = BTN_TL, /* L1 */ | 
 | 	[0x0c] = 0, /* R1 */ | 
 | 	[0x0d] = BTN_NORTH, /* Triangle */ | 
 | 	[0x0e] = BTN_EAST, /* Circle */ | 
 | 	[0x0f] = BTN_SOUTH, /* Cross */ | 
 | 	[0x10] = BTN_WEST, /* Square */ | 
 | 	[0x11] = BTN_MODE, /* PS */ | 
 | }; | 
 |  | 
 | static const unsigned int sixaxis_absmap[] = { | 
 | 	[0x30] = ABS_X, | 
 | 	[0x31] = ABS_Y, | 
 | 	[0x32] = ABS_RX, /* right stick X */ | 
 | 	[0x35] = ABS_RY, /* right stick Y */ | 
 | }; | 
 |  | 
 | static const unsigned int sixaxis_keymap[] = { | 
 | 	[0x01] = BTN_SELECT, /* Select */ | 
 | 	[0x02] = BTN_THUMBL, /* L3 */ | 
 | 	[0x03] = BTN_THUMBR, /* R3 */ | 
 | 	[0x04] = BTN_START, /* Start */ | 
 | 	[0x05] = BTN_DPAD_UP, /* Up */ | 
 | 	[0x06] = BTN_DPAD_RIGHT, /* Right */ | 
 | 	[0x07] = BTN_DPAD_DOWN, /* Down */ | 
 | 	[0x08] = BTN_DPAD_LEFT, /* Left */ | 
 | 	[0x09] = BTN_TL2, /* L2 */ | 
 | 	[0x0a] = BTN_TR2, /* R2 */ | 
 | 	[0x0b] = BTN_TL, /* L1 */ | 
 | 	[0x0c] = BTN_TR, /* R1 */ | 
 | 	[0x0d] = BTN_NORTH, /* Triangle */ | 
 | 	[0x0e] = BTN_EAST, /* Circle */ | 
 | 	[0x0f] = BTN_SOUTH, /* Cross */ | 
 | 	[0x10] = BTN_WEST, /* Square */ | 
 | 	[0x11] = BTN_MODE, /* PS */ | 
 | }; | 
 |  | 
 | static const unsigned int ds4_absmap[] = { | 
 | 	[0x30] = ABS_X, | 
 | 	[0x31] = ABS_Y, | 
 | 	[0x32] = ABS_RX, /* right stick X */ | 
 | 	[0x33] = ABS_Z, /* L2 */ | 
 | 	[0x34] = ABS_RZ, /* R2 */ | 
 | 	[0x35] = ABS_RY, /* right stick Y */ | 
 | }; | 
 |  | 
 | static const unsigned int ds4_keymap[] = { | 
 | 	[0x1] = BTN_WEST, /* Square */ | 
 | 	[0x2] = BTN_SOUTH, /* Cross */ | 
 | 	[0x3] = BTN_EAST, /* Circle */ | 
 | 	[0x4] = BTN_NORTH, /* Triangle */ | 
 | 	[0x5] = BTN_TL, /* L1 */ | 
 | 	[0x6] = BTN_TR, /* R1 */ | 
 | 	[0x7] = BTN_TL2, /* L2 */ | 
 | 	[0x8] = BTN_TR2, /* R2 */ | 
 | 	[0x9] = BTN_SELECT, /* Share */ | 
 | 	[0xa] = BTN_START, /* Options */ | 
 | 	[0xb] = BTN_THUMBL, /* L3 */ | 
 | 	[0xc] = BTN_THUMBR, /* R3 */ | 
 | 	[0xd] = BTN_MODE, /* PS */ | 
 | }; | 
 |  | 
 | static const struct {int x; int y; } ds4_hat_mapping[] = { | 
 | 	{0, -1}, {1, -1}, {1, 0}, {1, 1}, {0, 1}, {-1, 1}, {-1, 0}, {-1, -1}, | 
 | 	{0, 0} | 
 | }; | 
 |  | 
 | static enum power_supply_property sony_battery_props[] = { | 
 | 	POWER_SUPPLY_PROP_PRESENT, | 
 | 	POWER_SUPPLY_PROP_CAPACITY, | 
 | 	POWER_SUPPLY_PROP_SCOPE, | 
 | 	POWER_SUPPLY_PROP_STATUS, | 
 | }; | 
 |  | 
 | struct sixaxis_led { | 
 | 	u8 time_enabled; /* the total time the led is active (0xff means forever) */ | 
 | 	u8 duty_length;  /* how long a cycle is in deciseconds (0 means "really fast") */ | 
 | 	u8 enabled; | 
 | 	u8 duty_off; /* % of duty_length the led is off (0xff means 100%) */ | 
 | 	u8 duty_on;  /* % of duty_length the led is on (0xff mean 100%) */ | 
 | } __packed; | 
 |  | 
 | struct sixaxis_rumble { | 
 | 	u8 padding; | 
 | 	u8 right_duration; /* Right motor duration (0xff means forever) */ | 
 | 	u8 right_motor_on; /* Right (small) motor on/off, only supports values of 0 or 1 (off/on) */ | 
 | 	u8 left_duration;    /* Left motor duration (0xff means forever) */ | 
 | 	u8 left_motor_force; /* left (large) motor, supports force values from 0 to 255 */ | 
 | } __packed; | 
 |  | 
 | struct sixaxis_output_report { | 
 | 	u8 report_id; | 
 | 	struct sixaxis_rumble rumble; | 
 | 	u8 padding[4]; | 
 | 	u8 leds_bitmap; /* bitmap of enabled LEDs: LED_1 = 0x02, LED_2 = 0x04, ... */ | 
 | 	struct sixaxis_led led[4];    /* LEDx at (4 - x) */ | 
 | 	struct sixaxis_led _reserved; /* LED5, not actually soldered */ | 
 | } __packed; | 
 |  | 
 | union sixaxis_output_report_01 { | 
 | 	struct sixaxis_output_report data; | 
 | 	u8 buf[36]; | 
 | }; | 
 |  | 
 | struct motion_output_report_02 { | 
 | 	u8 type, zero; | 
 | 	u8 r, g, b; | 
 | 	u8 zero2; | 
 | 	u8 rumble; | 
 | }; | 
 |  | 
 | #define DS4_FEATURE_REPORT_0x02_SIZE 37 | 
 | #define DS4_FEATURE_REPORT_0x05_SIZE 41 | 
 | #define DS4_FEATURE_REPORT_0x81_SIZE 7 | 
 | #define DS4_FEATURE_REPORT_0xA3_SIZE 49 | 
 | #define DS4_INPUT_REPORT_0x11_SIZE 78 | 
 | #define DS4_OUTPUT_REPORT_0x05_SIZE 32 | 
 | #define DS4_OUTPUT_REPORT_0x11_SIZE 78 | 
 | #define SIXAXIS_REPORT_0xF2_SIZE 17 | 
 | #define SIXAXIS_REPORT_0xF5_SIZE 8 | 
 | #define MOTION_REPORT_0x02_SIZE 49 | 
 |  | 
 | /* Offsets relative to USB input report (0x1). Bluetooth (0x11) requires an | 
 |  * additional +2. | 
 |  */ | 
 | #define DS4_INPUT_REPORT_AXIS_OFFSET      1 | 
 | #define DS4_INPUT_REPORT_BUTTON_OFFSET    5 | 
 | #define DS4_INPUT_REPORT_TIMESTAMP_OFFSET 10 | 
 | #define DS4_INPUT_REPORT_GYRO_X_OFFSET   13 | 
 | #define DS4_INPUT_REPORT_BATTERY_OFFSET  30 | 
 | #define DS4_INPUT_REPORT_TOUCHPAD_OFFSET 33 | 
 |  | 
 | #define SENSOR_SUFFIX " Motion Sensors" | 
 | #define DS4_TOUCHPAD_SUFFIX " Touchpad" | 
 |  | 
 | /* Default to 4ms poll interval, which is same as USB (not adjustable). */ | 
 | #define DS4_BT_DEFAULT_POLL_INTERVAL_MS 4 | 
 | #define DS4_BT_MAX_POLL_INTERVAL_MS 62 | 
 | #define DS4_GYRO_RES_PER_DEG_S 1024 | 
 | #define DS4_ACC_RES_PER_G      8192 | 
 |  | 
 | #define SIXAXIS_INPUT_REPORT_ACC_X_OFFSET 41 | 
 | #define SIXAXIS_ACC_RES_PER_G 113 | 
 |  | 
 | static DEFINE_SPINLOCK(sony_dev_list_lock); | 
 | static LIST_HEAD(sony_device_list); | 
 | static DEFINE_IDA(sony_device_id_allocator); | 
 |  | 
 | /* Used for calibration of DS4 accelerometer and gyro. */ | 
 | struct ds4_calibration_data { | 
 | 	int abs_code; | 
 | 	short bias; | 
 | 	/* Calibration requires scaling against a sensitivity value, which is a | 
 | 	 * float. Store sensitivity as a fraction to limit floating point | 
 | 	 * calculations until final calibration. | 
 | 	 */ | 
 | 	int sens_numer; | 
 | 	int sens_denom; | 
 | }; | 
 |  | 
 | enum ds4_dongle_state { | 
 | 	DONGLE_DISCONNECTED, | 
 | 	DONGLE_CALIBRATING, | 
 | 	DONGLE_CONNECTED, | 
 | 	DONGLE_DISABLED | 
 | }; | 
 |  | 
 | enum sony_worker { | 
 | 	SONY_WORKER_STATE, | 
 | 	SONY_WORKER_HOTPLUG | 
 | }; | 
 |  | 
 | struct sony_sc { | 
 | 	spinlock_t lock; | 
 | 	struct list_head list_node; | 
 | 	struct hid_device *hdev; | 
 | 	struct input_dev *touchpad; | 
 | 	struct input_dev *sensor_dev; | 
 | 	struct led_classdev *leds[MAX_LEDS]; | 
 | 	unsigned long quirks; | 
 | 	struct work_struct hotplug_worker; | 
 | 	struct work_struct state_worker; | 
 | 	void (*send_output_report)(struct sony_sc *); | 
 | 	struct power_supply *battery; | 
 | 	struct power_supply_desc battery_desc; | 
 | 	int device_id; | 
 | 	unsigned fw_version; | 
 | 	unsigned hw_version; | 
 | 	u8 *output_report_dmabuf; | 
 |  | 
 | #ifdef CONFIG_SONY_FF | 
 | 	u8 left; | 
 | 	u8 right; | 
 | #endif | 
 |  | 
 | 	u8 mac_address[6]; | 
 | 	u8 hotplug_worker_initialized; | 
 | 	u8 state_worker_initialized; | 
 | 	u8 defer_initialization; | 
 | 	u8 cable_state; | 
 | 	u8 battery_charging; | 
 | 	u8 battery_capacity; | 
 | 	u8 led_state[MAX_LEDS]; | 
 | 	u8 led_delay_on[MAX_LEDS]; | 
 | 	u8 led_delay_off[MAX_LEDS]; | 
 | 	u8 led_count; | 
 |  | 
 | 	bool timestamp_initialized; | 
 | 	u16 prev_timestamp; | 
 | 	unsigned int timestamp_us; | 
 |  | 
 | 	u8 ds4_bt_poll_interval; | 
 | 	enum ds4_dongle_state ds4_dongle_state; | 
 | 	/* DS4 calibration data */ | 
 | 	struct ds4_calibration_data ds4_calib_data[6]; | 
 | }; | 
 |  | 
 | static void sony_set_leds(struct sony_sc *sc); | 
 |  | 
 | static inline void sony_schedule_work(struct sony_sc *sc, | 
 | 				      enum sony_worker which) | 
 | { | 
 | 	switch (which) { | 
 | 	case SONY_WORKER_STATE: | 
 | 		if (!sc->defer_initialization) | 
 | 			schedule_work(&sc->state_worker); | 
 | 		break; | 
 | 	case SONY_WORKER_HOTPLUG: | 
 | 		if (sc->hotplug_worker_initialized) | 
 | 			schedule_work(&sc->hotplug_worker); | 
 | 		break; | 
 | 	} | 
 | } | 
 |  | 
 | static ssize_t ds4_show_poll_interval(struct device *dev, | 
 | 				struct device_attribute | 
 | 				*attr, char *buf) | 
 | { | 
 | 	struct hid_device *hdev = to_hid_device(dev); | 
 | 	struct sony_sc *sc = hid_get_drvdata(hdev); | 
 |  | 
 | 	return snprintf(buf, PAGE_SIZE, "%i\n", sc->ds4_bt_poll_interval); | 
 | } | 
 |  | 
 | static ssize_t ds4_store_poll_interval(struct device *dev, | 
 | 				struct device_attribute *attr, | 
 | 				const char *buf, size_t count) | 
 | { | 
 | 	struct hid_device *hdev = to_hid_device(dev); | 
 | 	struct sony_sc *sc = hid_get_drvdata(hdev); | 
 | 	unsigned long flags; | 
 | 	u8 interval; | 
 |  | 
 | 	if (kstrtou8(buf, 0, &interval)) | 
 | 		return -EINVAL; | 
 |  | 
 | 	if (interval > DS4_BT_MAX_POLL_INTERVAL_MS) | 
 | 		return -EINVAL; | 
 |  | 
 | 	spin_lock_irqsave(&sc->lock, flags); | 
 | 	sc->ds4_bt_poll_interval = interval; | 
 | 	spin_unlock_irqrestore(&sc->lock, flags); | 
 |  | 
 | 	sony_schedule_work(sc, SONY_WORKER_STATE); | 
 |  | 
 | 	return count; | 
 | } | 
 |  | 
 | static DEVICE_ATTR(bt_poll_interval, 0644, ds4_show_poll_interval, | 
 | 		ds4_store_poll_interval); | 
 |  | 
 | static ssize_t sony_show_firmware_version(struct device *dev, | 
 | 				struct device_attribute | 
 | 				*attr, char *buf) | 
 | { | 
 | 	struct hid_device *hdev = to_hid_device(dev); | 
 | 	struct sony_sc *sc = hid_get_drvdata(hdev); | 
 |  | 
 | 	return snprintf(buf, PAGE_SIZE, "0x%04x\n", sc->fw_version); | 
 | } | 
 |  | 
 | static DEVICE_ATTR(firmware_version, 0444, sony_show_firmware_version, NULL); | 
 |  | 
 | static ssize_t sony_show_hardware_version(struct device *dev, | 
 | 				struct device_attribute | 
 | 				*attr, char *buf) | 
 | { | 
 | 	struct hid_device *hdev = to_hid_device(dev); | 
 | 	struct sony_sc *sc = hid_get_drvdata(hdev); | 
 |  | 
 | 	return snprintf(buf, PAGE_SIZE, "0x%04x\n", sc->hw_version); | 
 | } | 
 |  | 
 | static DEVICE_ATTR(hardware_version, 0444, sony_show_hardware_version, NULL); | 
 |  | 
 | static u8 *motion_fixup(struct hid_device *hdev, u8 *rdesc, | 
 | 			     unsigned int *rsize) | 
 | { | 
 | 	*rsize = sizeof(motion_rdesc); | 
 | 	return motion_rdesc; | 
 | } | 
 |  | 
 | static u8 *ps3remote_fixup(struct hid_device *hdev, u8 *rdesc, | 
 | 			     unsigned int *rsize) | 
 | { | 
 | 	*rsize = sizeof(ps3remote_rdesc); | 
 | 	return ps3remote_rdesc; | 
 | } | 
 |  | 
 | static int ps3remote_mapping(struct hid_device *hdev, struct hid_input *hi, | 
 | 			     struct hid_field *field, struct hid_usage *usage, | 
 | 			     unsigned long **bit, int *max) | 
 | { | 
 | 	unsigned int key = usage->hid & HID_USAGE; | 
 |  | 
 | 	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_BUTTON) | 
 | 		return -1; | 
 |  | 
 | 	switch (usage->collection_index) { | 
 | 	case 1: | 
 | 		if (key >= ARRAY_SIZE(ps3remote_keymap_joypad_buttons)) | 
 | 			return -1; | 
 |  | 
 | 		key = ps3remote_keymap_joypad_buttons[key]; | 
 | 		if (!key) | 
 | 			return -1; | 
 | 		break; | 
 | 	case 2: | 
 | 		if (key >= ARRAY_SIZE(ps3remote_keymap_remote_buttons)) | 
 | 			return -1; | 
 |  | 
 | 		key = ps3remote_keymap_remote_buttons[key]; | 
 | 		if (!key) | 
 | 			return -1; | 
 | 		break; | 
 | 	default: | 
 | 		return -1; | 
 | 	} | 
 |  | 
 | 	hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key); | 
 | 	return 1; | 
 | } | 
 |  | 
 | static int navigation_mapping(struct hid_device *hdev, struct hid_input *hi, | 
 | 			  struct hid_field *field, struct hid_usage *usage, | 
 | 			  unsigned long **bit, int *max) | 
 | { | 
 | 	if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) { | 
 | 		unsigned int key = usage->hid & HID_USAGE; | 
 |  | 
 | 		if (key >= ARRAY_SIZE(sixaxis_keymap)) | 
 | 			return -1; | 
 |  | 
 | 		key = navigation_keymap[key]; | 
 | 		if (!key) | 
 | 			return -1; | 
 |  | 
 | 		hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key); | 
 | 		return 1; | 
 | 	} else if (usage->hid == HID_GD_POINTER) { | 
 | 		/* See comment in sixaxis_mapping, basically the L2 (and R2) | 
 | 		 * triggers are reported through GD Pointer. | 
 | 		 * In addition we ignore any analog button 'axes' and only | 
 | 		 * support digital buttons. | 
 | 		 */ | 
 | 		switch (usage->usage_index) { | 
 | 		case 8: /* L2 */ | 
 | 			usage->hid = HID_GD_Z; | 
 | 			break; | 
 | 		default: | 
 | 			return -1; | 
 | 		} | 
 |  | 
 | 		hid_map_usage_clear(hi, usage, bit, max, EV_ABS, usage->hid & 0xf); | 
 | 		return 1; | 
 | 	} else if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK) { | 
 | 		unsigned int abs = usage->hid & HID_USAGE; | 
 |  | 
 | 		if (abs >= ARRAY_SIZE(navigation_absmap)) | 
 | 			return -1; | 
 |  | 
 | 		abs = navigation_absmap[abs]; | 
 |  | 
 | 		hid_map_usage_clear(hi, usage, bit, max, EV_ABS, abs); | 
 | 		return 1; | 
 | 	} | 
 |  | 
 | 	return -1; | 
 | } | 
 |  | 
 |  | 
 | static int sixaxis_mapping(struct hid_device *hdev, struct hid_input *hi, | 
 | 			  struct hid_field *field, struct hid_usage *usage, | 
 | 			  unsigned long **bit, int *max) | 
 | { | 
 | 	if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) { | 
 | 		unsigned int key = usage->hid & HID_USAGE; | 
 |  | 
 | 		if (key >= ARRAY_SIZE(sixaxis_keymap)) | 
 | 			return -1; | 
 |  | 
 | 		key = sixaxis_keymap[key]; | 
 | 		hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key); | 
 | 		return 1; | 
 | 	} else if (usage->hid == HID_GD_POINTER) { | 
 | 		/* The DS3 provides analog values for most buttons and even | 
 | 		 * for HAT axes through GD Pointer. L2 and R2 are reported | 
 | 		 * among these as well instead of as GD Z / RZ. Remap L2 | 
 | 		 * and R2 and ignore other analog 'button axes' as there is | 
 | 		 * no good way for reporting them. | 
 | 		 */ | 
 | 		switch (usage->usage_index) { | 
 | 		case 8: /* L2 */ | 
 | 			usage->hid = HID_GD_Z; | 
 | 			break; | 
 | 		case 9: /* R2 */ | 
 | 			usage->hid = HID_GD_RZ; | 
 | 			break; | 
 | 		default: | 
 | 			return -1; | 
 | 		} | 
 |  | 
 | 		hid_map_usage_clear(hi, usage, bit, max, EV_ABS, usage->hid & 0xf); | 
 | 		return 1; | 
 | 	} else if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK) { | 
 | 		unsigned int abs = usage->hid & HID_USAGE; | 
 |  | 
 | 		if (abs >= ARRAY_SIZE(sixaxis_absmap)) | 
 | 			return -1; | 
 |  | 
 | 		abs = sixaxis_absmap[abs]; | 
 |  | 
 | 		hid_map_usage_clear(hi, usage, bit, max, EV_ABS, abs); | 
 | 		return 1; | 
 | 	} | 
 |  | 
 | 	return -1; | 
 | } | 
 |  | 
 | static int ds4_mapping(struct hid_device *hdev, struct hid_input *hi, | 
 | 		       struct hid_field *field, struct hid_usage *usage, | 
 | 		       unsigned long **bit, int *max) | 
 | { | 
 | 	if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) { | 
 | 		unsigned int key = usage->hid & HID_USAGE; | 
 |  | 
 | 		if (key >= ARRAY_SIZE(ds4_keymap)) | 
 | 			return -1; | 
 |  | 
 | 		key = ds4_keymap[key]; | 
 | 		hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key); | 
 | 		return 1; | 
 | 	} else if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK) { | 
 | 		unsigned int abs = usage->hid & HID_USAGE; | 
 |  | 
 | 		/* Let the HID parser deal with the HAT. */ | 
 | 		if (usage->hid == HID_GD_HATSWITCH) | 
 | 			return 0; | 
 |  | 
 | 		if (abs >= ARRAY_SIZE(ds4_absmap)) | 
 | 			return -1; | 
 |  | 
 | 		abs = ds4_absmap[abs]; | 
 | 		hid_map_usage_clear(hi, usage, bit, max, EV_ABS, abs); | 
 | 		return 1; | 
 | 	} | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static u8 *sony_report_fixup(struct hid_device *hdev, u8 *rdesc, | 
 | 		unsigned int *rsize) | 
 | { | 
 | 	struct sony_sc *sc = hid_get_drvdata(hdev); | 
 |  | 
 | 	if (sc->quirks & (SINO_LITE_CONTROLLER | FUTUREMAX_DANCE_MAT)) | 
 | 		return rdesc; | 
 |  | 
 | 	/* | 
 | 	 * Some Sony RF receivers wrongly declare the mouse pointer as a | 
 | 	 * a constant non-data variable. | 
 | 	 */ | 
 | 	if ((sc->quirks & VAIO_RDESC_CONSTANT) && *rsize >= 56 && | 
 | 	    /* usage page: generic desktop controls */ | 
 | 	    /* rdesc[0] == 0x05 && rdesc[1] == 0x01 && */ | 
 | 	    /* usage: mouse */ | 
 | 	    rdesc[2] == 0x09 && rdesc[3] == 0x02 && | 
 | 	    /* input (usage page for x,y axes): constant, variable, relative */ | 
 | 	    rdesc[54] == 0x81 && rdesc[55] == 0x07) { | 
 | 		hid_info(hdev, "Fixing up Sony RF Receiver report descriptor\n"); | 
 | 		/* input: data, variable, relative */ | 
 | 		rdesc[55] = 0x06; | 
 | 	} | 
 |  | 
 | 	if (sc->quirks & MOTION_CONTROLLER) | 
 | 		return motion_fixup(hdev, rdesc, rsize); | 
 |  | 
 | 	if (sc->quirks & PS3REMOTE) | 
 | 		return ps3remote_fixup(hdev, rdesc, rsize); | 
 |  | 
 | 	return rdesc; | 
 | } | 
 |  | 
 | static void sixaxis_parse_report(struct sony_sc *sc, u8 *rd, int size) | 
 | { | 
 | 	static const u8 sixaxis_battery_capacity[] = { 0, 1, 25, 50, 75, 100 }; | 
 | 	unsigned long flags; | 
 | 	int offset; | 
 | 	u8 cable_state, battery_capacity, battery_charging; | 
 |  | 
 | 	/* | 
 | 	 * The sixaxis is charging if the battery value is 0xee | 
 | 	 * and it is fully charged if the value is 0xef. | 
 | 	 * It does not report the actual level while charging so it | 
 | 	 * is set to 100% while charging is in progress. | 
 | 	 */ | 
 | 	offset = (sc->quirks & MOTION_CONTROLLER) ? 12 : 30; | 
 |  | 
 | 	if (rd[offset] >= 0xee) { | 
 | 		battery_capacity = 100; | 
 | 		battery_charging = !(rd[offset] & 0x01); | 
 | 		cable_state = 1; | 
 | 	} else { | 
 | 		u8 index = rd[offset] <= 5 ? rd[offset] : 5; | 
 | 		battery_capacity = sixaxis_battery_capacity[index]; | 
 | 		battery_charging = 0; | 
 | 		cable_state = 0; | 
 | 	} | 
 |  | 
 | 	spin_lock_irqsave(&sc->lock, flags); | 
 | 	sc->cable_state = cable_state; | 
 | 	sc->battery_capacity = battery_capacity; | 
 | 	sc->battery_charging = battery_charging; | 
 | 	spin_unlock_irqrestore(&sc->lock, flags); | 
 |  | 
 | 	if (sc->quirks & SIXAXIS_CONTROLLER) { | 
 | 		int val; | 
 |  | 
 | 		offset = SIXAXIS_INPUT_REPORT_ACC_X_OFFSET; | 
 | 		val = ((rd[offset+1] << 8) | rd[offset]) - 511; | 
 | 		input_report_abs(sc->sensor_dev, ABS_X, val); | 
 |  | 
 | 		/* Y and Z are swapped and inversed */ | 
 | 		val = 511 - ((rd[offset+5] << 8) | rd[offset+4]); | 
 | 		input_report_abs(sc->sensor_dev, ABS_Y, val); | 
 |  | 
 | 		val = 511 - ((rd[offset+3] << 8) | rd[offset+2]); | 
 | 		input_report_abs(sc->sensor_dev, ABS_Z, val); | 
 |  | 
 | 		input_sync(sc->sensor_dev); | 
 | 	} | 
 | } | 
 |  | 
 | static void dualshock4_parse_report(struct sony_sc *sc, u8 *rd, int size) | 
 | { | 
 | 	struct hid_input *hidinput = list_entry(sc->hdev->inputs.next, | 
 | 						struct hid_input, list); | 
 | 	struct input_dev *input_dev = hidinput->input; | 
 | 	unsigned long flags; | 
 | 	int n, m, offset, num_touch_data, max_touch_data; | 
 | 	u8 cable_state, battery_capacity, battery_charging; | 
 | 	u16 timestamp; | 
 |  | 
 | 	/* When using Bluetooth the header is 2 bytes longer, so skip these. */ | 
 | 	int data_offset = (sc->quirks & DUALSHOCK4_CONTROLLER_BT) ? 2 : 0; | 
 |  | 
 | 	/* Second bit of third button byte is for the touchpad button. */ | 
 | 	offset = data_offset + DS4_INPUT_REPORT_BUTTON_OFFSET; | 
 | 	input_report_key(sc->touchpad, BTN_LEFT, rd[offset+2] & 0x2); | 
 |  | 
 | 	/* | 
 | 	 * The default behavior of the Dualshock 4 is to send reports using | 
 | 	 * report type 1 when running over Bluetooth. However, when feature | 
 | 	 * report 2 is requested during the controller initialization it starts | 
 | 	 * sending input reports in report 17. Since report 17 is undefined | 
 | 	 * in the default HID descriptor, the HID layer won't generate events. | 
 | 	 * While it is possible (and this was done before) to fixup the HID | 
 | 	 * descriptor to add this mapping, it was better to do this manually. | 
 | 	 * The reason is there were various pieces software both open and closed | 
 | 	 * source, relying on the descriptors to be the same across various | 
 | 	 * operating systems. If the descriptors wouldn't match some | 
 | 	 * applications e.g. games on Wine would not be able to function due | 
 | 	 * to different descriptors, which such applications are not parsing. | 
 | 	 */ | 
 | 	if (rd[0] == 17) { | 
 | 		int value; | 
 |  | 
 | 		offset = data_offset + DS4_INPUT_REPORT_AXIS_OFFSET; | 
 | 		input_report_abs(input_dev, ABS_X, rd[offset]); | 
 | 		input_report_abs(input_dev, ABS_Y, rd[offset+1]); | 
 | 		input_report_abs(input_dev, ABS_RX, rd[offset+2]); | 
 | 		input_report_abs(input_dev, ABS_RY, rd[offset+3]); | 
 |  | 
 | 		value = rd[offset+4] & 0xf; | 
 | 		if (value > 7) | 
 | 			value = 8; /* Center 0, 0 */ | 
 | 		input_report_abs(input_dev, ABS_HAT0X, ds4_hat_mapping[value].x); | 
 | 		input_report_abs(input_dev, ABS_HAT0Y, ds4_hat_mapping[value].y); | 
 |  | 
 | 		input_report_key(input_dev, BTN_WEST, rd[offset+4] & 0x10); | 
 | 		input_report_key(input_dev, BTN_SOUTH, rd[offset+4] & 0x20); | 
 | 		input_report_key(input_dev, BTN_EAST, rd[offset+4] & 0x40); | 
 | 		input_report_key(input_dev, BTN_NORTH, rd[offset+4] & 0x80); | 
 |  | 
 | 		input_report_key(input_dev, BTN_TL, rd[offset+5] & 0x1); | 
 | 		input_report_key(input_dev, BTN_TR, rd[offset+5] & 0x2); | 
 | 		input_report_key(input_dev, BTN_TL2, rd[offset+5] & 0x4); | 
 | 		input_report_key(input_dev, BTN_TR2, rd[offset+5] & 0x8); | 
 | 		input_report_key(input_dev, BTN_SELECT, rd[offset+5] & 0x10); | 
 | 		input_report_key(input_dev, BTN_START, rd[offset+5] & 0x20); | 
 | 		input_report_key(input_dev, BTN_THUMBL, rd[offset+5] & 0x40); | 
 | 		input_report_key(input_dev, BTN_THUMBR, rd[offset+5] & 0x80); | 
 |  | 
 | 		input_report_key(input_dev, BTN_MODE, rd[offset+6] & 0x1); | 
 |  | 
 | 		input_report_abs(input_dev, ABS_Z, rd[offset+7]); | 
 | 		input_report_abs(input_dev, ABS_RZ, rd[offset+8]); | 
 |  | 
 | 		input_sync(input_dev); | 
 | 	} | 
 |  | 
 | 	/* Convert timestamp (in 5.33us unit) to timestamp_us */ | 
 | 	offset = data_offset + DS4_INPUT_REPORT_TIMESTAMP_OFFSET; | 
 | 	timestamp = get_unaligned_le16(&rd[offset]); | 
 | 	if (!sc->timestamp_initialized) { | 
 | 		sc->timestamp_us = ((unsigned int)timestamp * 16) / 3; | 
 | 		sc->timestamp_initialized = true; | 
 | 	} else { | 
 | 		u16 delta; | 
 |  | 
 | 		if (sc->prev_timestamp > timestamp) | 
 | 			delta = (U16_MAX - sc->prev_timestamp + timestamp + 1); | 
 | 		else | 
 | 			delta = timestamp - sc->prev_timestamp; | 
 | 		sc->timestamp_us += (delta * 16) / 3; | 
 | 	} | 
 | 	sc->prev_timestamp = timestamp; | 
 | 	input_event(sc->sensor_dev, EV_MSC, MSC_TIMESTAMP, sc->timestamp_us); | 
 |  | 
 | 	offset = data_offset + DS4_INPUT_REPORT_GYRO_X_OFFSET; | 
 | 	for (n = 0; n < 6; n++) { | 
 | 		/* Store data in int for more precision during mult_frac. */ | 
 | 		int raw_data = (short)((rd[offset+1] << 8) | rd[offset]); | 
 | 		struct ds4_calibration_data *calib = &sc->ds4_calib_data[n]; | 
 |  | 
 | 		/* High precision is needed during calibration, but the | 
 | 		 * calibrated values are within 32-bit. | 
 | 		 * Note: we swap numerator 'x' and 'numer' in mult_frac for | 
 | 		 *       precision reasons so we don't need 64-bit. | 
 | 		 */ | 
 | 		int calib_data = mult_frac(calib->sens_numer, | 
 | 					   raw_data - calib->bias, | 
 | 					   calib->sens_denom); | 
 |  | 
 | 		input_report_abs(sc->sensor_dev, calib->abs_code, calib_data); | 
 | 		offset += 2; | 
 | 	} | 
 | 	input_sync(sc->sensor_dev); | 
 |  | 
 | 	/* | 
 | 	 * The lower 4 bits of byte 30 (or 32 for BT) contain the battery level | 
 | 	 * and the 5th bit contains the USB cable state. | 
 | 	 */ | 
 | 	offset = data_offset + DS4_INPUT_REPORT_BATTERY_OFFSET; | 
 | 	cable_state = (rd[offset] >> 4) & 0x01; | 
 | 	battery_capacity = rd[offset] & 0x0F; | 
 |  | 
 | 	/* | 
 | 	 * When a USB power source is connected the battery level ranges from | 
 | 	 * 0 to 10, and when running on battery power it ranges from 0 to 9. | 
 | 	 * A battery level above 10 when plugged in means charge completed. | 
 | 	 */ | 
 | 	if (!cable_state || battery_capacity > 10) | 
 | 		battery_charging = 0; | 
 | 	else | 
 | 		battery_charging = 1; | 
 |  | 
 | 	if (!cable_state) | 
 | 		battery_capacity++; | 
 | 	if (battery_capacity > 10) | 
 | 		battery_capacity = 10; | 
 |  | 
 | 	battery_capacity *= 10; | 
 |  | 
 | 	spin_lock_irqsave(&sc->lock, flags); | 
 | 	sc->cable_state = cable_state; | 
 | 	sc->battery_capacity = battery_capacity; | 
 | 	sc->battery_charging = battery_charging; | 
 | 	spin_unlock_irqrestore(&sc->lock, flags); | 
 |  | 
 | 	/* | 
 | 	 * The Dualshock 4 multi-touch trackpad data starts at offset 33 on USB | 
 | 	 * and 35 on Bluetooth. | 
 | 	 * The first byte indicates the number of touch data in the report. | 
 | 	 * Trackpad data starts 2 bytes later (e.g. 35 for USB). | 
 | 	 */ | 
 | 	offset = data_offset + DS4_INPUT_REPORT_TOUCHPAD_OFFSET; | 
 | 	max_touch_data = (sc->quirks & DUALSHOCK4_CONTROLLER_BT) ? 4 : 3; | 
 | 	if (rd[offset] > 0 && rd[offset] <= max_touch_data) | 
 | 		num_touch_data = rd[offset]; | 
 | 	else | 
 | 		num_touch_data = 1; | 
 | 	offset += 1; | 
 |  | 
 | 	for (m = 0; m < num_touch_data; m++) { | 
 | 		/* Skip past timestamp */ | 
 | 		offset += 1; | 
 |  | 
 | 		/* | 
 | 		 * The first 7 bits of the first byte is a counter and bit 8 is | 
 | 		 * a touch indicator that is 0 when pressed and 1 when not | 
 | 		 * pressed. | 
 | 		 * The next 3 bytes are two 12 bit touch coordinates, X and Y. | 
 | 		 * The data for the second touch is in the same format and | 
 | 		 * immediately follows the data for the first. | 
 | 		 */ | 
 | 		for (n = 0; n < 2; n++) { | 
 | 			u16 x, y; | 
 | 			bool active; | 
 |  | 
 | 			x = rd[offset+1] | ((rd[offset+2] & 0xF) << 8); | 
 | 			y = ((rd[offset+2] & 0xF0) >> 4) | (rd[offset+3] << 4); | 
 |  | 
 | 			active = !(rd[offset] >> 7); | 
 | 			input_mt_slot(sc->touchpad, n); | 
 | 			input_mt_report_slot_state(sc->touchpad, MT_TOOL_FINGER, active); | 
 |  | 
 | 			if (active) { | 
 | 				input_report_abs(sc->touchpad, ABS_MT_POSITION_X, x); | 
 | 				input_report_abs(sc->touchpad, ABS_MT_POSITION_Y, y); | 
 | 			} | 
 |  | 
 | 			offset += 4; | 
 | 		} | 
 | 		input_mt_sync_frame(sc->touchpad); | 
 | 		input_sync(sc->touchpad); | 
 | 	} | 
 | } | 
 |  | 
 | static void nsg_mrxu_parse_report(struct sony_sc *sc, u8 *rd, int size) | 
 | { | 
 | 	int n, offset, relx, rely; | 
 | 	u8 active; | 
 |  | 
 | 	/* | 
 | 	 * The NSG-MRxU multi-touch trackpad data starts at offset 1 and | 
 | 	 *   the touch-related data starts at offset 2. | 
 | 	 * For the first byte, bit 0 is set when touchpad button is pressed. | 
 | 	 * Bit 2 is set when a touch is active and the drag (Fn) key is pressed. | 
 | 	 * This drag key is mapped to BTN_LEFT.  It is operational only when a  | 
 | 	 *   touch point is active. | 
 | 	 * Bit 4 is set when only the first touch point is active. | 
 | 	 * Bit 6 is set when only the second touch point is active. | 
 | 	 * Bits 5 and 7 are set when both touch points are active. | 
 | 	 * The next 3 bytes are two 12 bit X/Y coordinates for the first touch. | 
 | 	 * The following byte, offset 5, has the touch width and length. | 
 | 	 *   Bits 0-4=X (width), bits 5-7=Y (length). | 
 | 	 * A signed relative X coordinate is at offset 6. | 
 | 	 * The bytes at offset 7-9 are the second touch X/Y coordinates. | 
 | 	 * Offset 10 has the second touch width and length. | 
 | 	 * Offset 11 has the relative Y coordinate. | 
 | 	 */ | 
 | 	offset = 1; | 
 |  | 
 | 	input_report_key(sc->touchpad, BTN_LEFT, rd[offset] & 0x0F); | 
 | 	active = (rd[offset] >> 4); | 
 | 	relx = (s8) rd[offset+5]; | 
 | 	rely = ((s8) rd[offset+10]) * -1; | 
 |  | 
 | 	offset++; | 
 |  | 
 | 	for (n = 0; n < 2; n++) { | 
 | 		u16 x, y; | 
 | 		u8 contactx, contacty; | 
 |  | 
 | 		x = rd[offset] | ((rd[offset+1] & 0x0F) << 8); | 
 | 		y = ((rd[offset+1] & 0xF0) >> 4) | (rd[offset+2] << 4); | 
 |  | 
 | 		input_mt_slot(sc->touchpad, n); | 
 | 		input_mt_report_slot_state(sc->touchpad, MT_TOOL_FINGER, active & 0x03); | 
 |  | 
 | 		if (active & 0x03) { | 
 | 			contactx = rd[offset+3] & 0x0F; | 
 | 			contacty = rd[offset+3] >> 4; | 
 | 			input_report_abs(sc->touchpad, ABS_MT_TOUCH_MAJOR, | 
 | 				max(contactx, contacty)); | 
 | 			input_report_abs(sc->touchpad, ABS_MT_TOUCH_MINOR, | 
 | 				min(contactx, contacty)); | 
 | 			input_report_abs(sc->touchpad, ABS_MT_ORIENTATION, | 
 | 				(bool) (contactx > contacty)); | 
 | 			input_report_abs(sc->touchpad, ABS_MT_POSITION_X, x); | 
 | 			input_report_abs(sc->touchpad, ABS_MT_POSITION_Y, | 
 | 				NSG_MRXU_MAX_Y - y); | 
 | 			/* | 
 | 			 * The relative coordinates belong to the first touch | 
 | 			 * point, when present, or to the second touch point | 
 | 			 * when the first is not active. | 
 | 			 */ | 
 | 			if ((n == 0) || ((n == 1) && (active & 0x01))) { | 
 | 				input_report_rel(sc->touchpad, REL_X, relx); | 
 | 				input_report_rel(sc->touchpad, REL_Y, rely); | 
 | 			} | 
 | 		} | 
 |  | 
 | 		offset += 5; | 
 | 		active >>= 2; | 
 | 	} | 
 |  | 
 | 	input_mt_sync_frame(sc->touchpad); | 
 |  | 
 | 	input_sync(sc->touchpad); | 
 | } | 
 |  | 
 | static int sony_raw_event(struct hid_device *hdev, struct hid_report *report, | 
 | 		u8 *rd, int size) | 
 | { | 
 | 	struct sony_sc *sc = hid_get_drvdata(hdev); | 
 |  | 
 | 	/* | 
 | 	 * Sixaxis HID report has acclerometers/gyro with MSByte first, this | 
 | 	 * has to be BYTE_SWAPPED before passing up to joystick interface | 
 | 	 */ | 
 | 	if ((sc->quirks & SIXAXIS_CONTROLLER) && rd[0] == 0x01 && size == 49) { | 
 | 		/* | 
 | 		 * When connected via Bluetooth the Sixaxis occasionally sends | 
 | 		 * a report with the second byte 0xff and the rest zeroed. | 
 | 		 * | 
 | 		 * This report does not reflect the actual state of the | 
 | 		 * controller must be ignored to avoid generating false input | 
 | 		 * events. | 
 | 		 */ | 
 | 		if (rd[1] == 0xff) | 
 | 			return -EINVAL; | 
 |  | 
 | 		swap(rd[41], rd[42]); | 
 | 		swap(rd[43], rd[44]); | 
 | 		swap(rd[45], rd[46]); | 
 | 		swap(rd[47], rd[48]); | 
 |  | 
 | 		sixaxis_parse_report(sc, rd, size); | 
 | 	} else if ((sc->quirks & MOTION_CONTROLLER_BT) && rd[0] == 0x01 && size == 49) { | 
 | 		sixaxis_parse_report(sc, rd, size); | 
 | 	} else if ((sc->quirks & NAVIGATION_CONTROLLER) && rd[0] == 0x01 && | 
 | 			size == 49) { | 
 | 		sixaxis_parse_report(sc, rd, size); | 
 | 	} else if ((sc->quirks & DUALSHOCK4_CONTROLLER_USB) && rd[0] == 0x01 && | 
 | 			size == 64) { | 
 | 		dualshock4_parse_report(sc, rd, size); | 
 | 	} else if (((sc->quirks & DUALSHOCK4_CONTROLLER_BT) && rd[0] == 0x11 && | 
 | 			size == 78)) { | 
 | 		/* CRC check */ | 
 | 		u8 bthdr = 0xA1; | 
 | 		u32 crc; | 
 | 		u32 report_crc; | 
 |  | 
 | 		crc = crc32_le(0xFFFFFFFF, &bthdr, 1); | 
 | 		crc = ~crc32_le(crc, rd, DS4_INPUT_REPORT_0x11_SIZE-4); | 
 | 		report_crc = get_unaligned_le32(&rd[DS4_INPUT_REPORT_0x11_SIZE-4]); | 
 | 		if (crc != report_crc) { | 
 | 			hid_dbg(sc->hdev, "DualShock 4 input report's CRC check failed, received crc 0x%0x != 0x%0x\n", | 
 | 				report_crc, crc); | 
 | 			return -EILSEQ; | 
 | 		} | 
 |  | 
 | 		dualshock4_parse_report(sc, rd, size); | 
 | 	} else if ((sc->quirks & DUALSHOCK4_DONGLE) && rd[0] == 0x01 && | 
 | 			size == 64) { | 
 | 		unsigned long flags; | 
 | 		enum ds4_dongle_state dongle_state; | 
 |  | 
 | 		/* | 
 | 		 * In the case of a DS4 USB dongle, bit[2] of byte 31 indicates | 
 | 		 * if a DS4 is actually connected (indicated by '0'). | 
 | 		 * For non-dongle, this bit is always 0 (connected). | 
 | 		 */ | 
 | 		bool connected = (rd[31] & 0x04) ? false : true; | 
 |  | 
 | 		spin_lock_irqsave(&sc->lock, flags); | 
 | 		dongle_state = sc->ds4_dongle_state; | 
 | 		spin_unlock_irqrestore(&sc->lock, flags); | 
 |  | 
 | 		/* | 
 | 		 * The dongle always sends input reports even when no | 
 | 		 * DS4 is attached. When a DS4 is connected, we need to | 
 | 		 * obtain calibration data before we can use it. | 
 | 		 * The code below tracks dongle state and kicks of | 
 | 		 * calibration when needed and only allows us to process | 
 | 		 * input if a DS4 is actually connected. | 
 | 		 */ | 
 | 		if (dongle_state == DONGLE_DISCONNECTED && connected) { | 
 | 			hid_info(sc->hdev, "DualShock 4 USB dongle: controller connected\n"); | 
 | 			sony_set_leds(sc); | 
 |  | 
 | 			spin_lock_irqsave(&sc->lock, flags); | 
 | 			sc->ds4_dongle_state = DONGLE_CALIBRATING; | 
 | 			spin_unlock_irqrestore(&sc->lock, flags); | 
 |  | 
 | 			sony_schedule_work(sc, SONY_WORKER_HOTPLUG); | 
 |  | 
 | 			/* Don't process the report since we don't have | 
 | 			 * calibration data, but let hidraw have it anyway. | 
 | 			 */ | 
 | 			return 0; | 
 | 		} else if ((dongle_state == DONGLE_CONNECTED || | 
 | 			    dongle_state == DONGLE_DISABLED) && !connected) { | 
 | 			hid_info(sc->hdev, "DualShock 4 USB dongle: controller disconnected\n"); | 
 |  | 
 | 			spin_lock_irqsave(&sc->lock, flags); | 
 | 			sc->ds4_dongle_state = DONGLE_DISCONNECTED; | 
 | 			spin_unlock_irqrestore(&sc->lock, flags); | 
 |  | 
 | 			/* Return 0, so hidraw can get the report. */ | 
 | 			return 0; | 
 | 		} else if (dongle_state == DONGLE_CALIBRATING || | 
 | 			   dongle_state == DONGLE_DISABLED || | 
 | 			   dongle_state == DONGLE_DISCONNECTED) { | 
 | 			/* Return 0, so hidraw can get the report. */ | 
 | 			return 0; | 
 | 		} | 
 |  | 
 | 		dualshock4_parse_report(sc, rd, size); | 
 |  | 
 | 	} else if ((sc->quirks & NSG_MRXU_REMOTE) && rd[0] == 0x02) { | 
 | 		nsg_mrxu_parse_report(sc, rd, size); | 
 | 		return 1; | 
 | 	} | 
 |  | 
 | 	if (sc->defer_initialization) { | 
 | 		sc->defer_initialization = 0; | 
 | 		sony_schedule_work(sc, SONY_WORKER_STATE); | 
 | 	} | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int sony_mapping(struct hid_device *hdev, struct hid_input *hi, | 
 | 			struct hid_field *field, struct hid_usage *usage, | 
 | 			unsigned long **bit, int *max) | 
 | { | 
 | 	struct sony_sc *sc = hid_get_drvdata(hdev); | 
 |  | 
 | 	if (sc->quirks & BUZZ_CONTROLLER) { | 
 | 		unsigned int key = usage->hid & HID_USAGE; | 
 |  | 
 | 		if ((usage->hid & HID_USAGE_PAGE) != HID_UP_BUTTON) | 
 | 			return -1; | 
 |  | 
 | 		switch (usage->collection_index) { | 
 | 		case 1: | 
 | 			if (key >= ARRAY_SIZE(buzz_keymap)) | 
 | 				return -1; | 
 |  | 
 | 			key = buzz_keymap[key]; | 
 | 			if (!key) | 
 | 				return -1; | 
 | 			break; | 
 | 		default: | 
 | 			return -1; | 
 | 		} | 
 |  | 
 | 		hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key); | 
 | 		return 1; | 
 | 	} | 
 |  | 
 | 	if (sc->quirks & PS3REMOTE) | 
 | 		return ps3remote_mapping(hdev, hi, field, usage, bit, max); | 
 |  | 
 | 	if (sc->quirks & NAVIGATION_CONTROLLER) | 
 | 		return navigation_mapping(hdev, hi, field, usage, bit, max); | 
 |  | 
 | 	if (sc->quirks & SIXAXIS_CONTROLLER) | 
 | 		return sixaxis_mapping(hdev, hi, field, usage, bit, max); | 
 |  | 
 | 	if (sc->quirks & DUALSHOCK4_CONTROLLER) | 
 | 		return ds4_mapping(hdev, hi, field, usage, bit, max); | 
 |  | 
 |  | 
 | 	/* Let hid-core decide for the others */ | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int sony_register_touchpad(struct sony_sc *sc, int touch_count, | 
 | 		int w, int h, int touch_major, int touch_minor, int orientation) | 
 | { | 
 | 	size_t name_sz; | 
 | 	char *name; | 
 | 	int ret; | 
 |  | 
 | 	sc->touchpad = devm_input_allocate_device(&sc->hdev->dev); | 
 | 	if (!sc->touchpad) | 
 | 		return -ENOMEM; | 
 |  | 
 | 	input_set_drvdata(sc->touchpad, sc); | 
 | 	sc->touchpad->dev.parent = &sc->hdev->dev; | 
 | 	sc->touchpad->phys = sc->hdev->phys; | 
 | 	sc->touchpad->uniq = sc->hdev->uniq; | 
 | 	sc->touchpad->id.bustype = sc->hdev->bus; | 
 | 	sc->touchpad->id.vendor = sc->hdev->vendor; | 
 | 	sc->touchpad->id.product = sc->hdev->product; | 
 | 	sc->touchpad->id.version = sc->hdev->version; | 
 |  | 
 | 	/* Append a suffix to the controller name as there are various | 
 | 	 * DS4 compatible non-Sony devices with different names. | 
 | 	 */ | 
 | 	name_sz = strlen(sc->hdev->name) + sizeof(DS4_TOUCHPAD_SUFFIX); | 
 | 	name = devm_kzalloc(&sc->hdev->dev, name_sz, GFP_KERNEL); | 
 | 	if (!name) | 
 | 		return -ENOMEM; | 
 | 	snprintf(name, name_sz, "%s" DS4_TOUCHPAD_SUFFIX, sc->hdev->name); | 
 | 	sc->touchpad->name = name; | 
 |  | 
 | 	/* We map the button underneath the touchpad to BTN_LEFT. */ | 
 | 	__set_bit(EV_KEY, sc->touchpad->evbit); | 
 | 	__set_bit(BTN_LEFT, sc->touchpad->keybit); | 
 | 	__set_bit(INPUT_PROP_BUTTONPAD, sc->touchpad->propbit); | 
 |  | 
 | 	input_set_abs_params(sc->touchpad, ABS_MT_POSITION_X, 0, w, 0, 0); | 
 | 	input_set_abs_params(sc->touchpad, ABS_MT_POSITION_Y, 0, h, 0, 0); | 
 |  | 
 | 	if (touch_major > 0) { | 
 | 		input_set_abs_params(sc->touchpad, ABS_MT_TOUCH_MAJOR,  | 
 | 			0, touch_major, 0, 0); | 
 | 		if (touch_minor > 0) | 
 | 			input_set_abs_params(sc->touchpad, ABS_MT_TOUCH_MINOR,  | 
 | 				0, touch_minor, 0, 0); | 
 | 		if (orientation > 0) | 
 | 			input_set_abs_params(sc->touchpad, ABS_MT_ORIENTATION,  | 
 | 				0, orientation, 0, 0); | 
 | 	} | 
 |  | 
 | 	if (sc->quirks & NSG_MRXU_REMOTE) { | 
 | 		__set_bit(EV_REL, sc->touchpad->evbit); | 
 | 	} | 
 |  | 
 | 	ret = input_mt_init_slots(sc->touchpad, touch_count, INPUT_MT_POINTER); | 
 | 	if (ret < 0) | 
 | 		return ret; | 
 |  | 
 | 	ret = input_register_device(sc->touchpad); | 
 | 	if (ret < 0) | 
 | 		return ret; | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int sony_register_sensors(struct sony_sc *sc) | 
 | { | 
 | 	size_t name_sz; | 
 | 	char *name; | 
 | 	int ret; | 
 | 	int range; | 
 |  | 
 | 	sc->sensor_dev = devm_input_allocate_device(&sc->hdev->dev); | 
 | 	if (!sc->sensor_dev) | 
 | 		return -ENOMEM; | 
 |  | 
 | 	input_set_drvdata(sc->sensor_dev, sc); | 
 | 	sc->sensor_dev->dev.parent = &sc->hdev->dev; | 
 | 	sc->sensor_dev->phys = sc->hdev->phys; | 
 | 	sc->sensor_dev->uniq = sc->hdev->uniq; | 
 | 	sc->sensor_dev->id.bustype = sc->hdev->bus; | 
 | 	sc->sensor_dev->id.vendor = sc->hdev->vendor; | 
 | 	sc->sensor_dev->id.product = sc->hdev->product; | 
 | 	sc->sensor_dev->id.version = sc->hdev->version; | 
 |  | 
 | 	/* Append a suffix to the controller name as there are various | 
 | 	 * DS4 compatible non-Sony devices with different names. | 
 | 	 */ | 
 | 	name_sz = strlen(sc->hdev->name) + sizeof(SENSOR_SUFFIX); | 
 | 	name = devm_kzalloc(&sc->hdev->dev, name_sz, GFP_KERNEL); | 
 | 	if (!name) | 
 | 		return -ENOMEM; | 
 | 	snprintf(name, name_sz, "%s" SENSOR_SUFFIX, sc->hdev->name); | 
 | 	sc->sensor_dev->name = name; | 
 |  | 
 | 	if (sc->quirks & SIXAXIS_CONTROLLER) { | 
 | 		/* For the DS3 we only support the accelerometer, which works | 
 | 		 * quite well even without calibration. The device also has | 
 | 		 * a 1-axis gyro, but it is very difficult to manage from within | 
 | 		 * the driver even to get data, the sensor is inaccurate and | 
 | 		 * the behavior is very different between hardware revisions. | 
 | 		 */ | 
 | 		input_set_abs_params(sc->sensor_dev, ABS_X, -512, 511, 4, 0); | 
 | 		input_set_abs_params(sc->sensor_dev, ABS_Y, -512, 511, 4, 0); | 
 | 		input_set_abs_params(sc->sensor_dev, ABS_Z, -512, 511, 4, 0); | 
 | 		input_abs_set_res(sc->sensor_dev, ABS_X, SIXAXIS_ACC_RES_PER_G); | 
 | 		input_abs_set_res(sc->sensor_dev, ABS_Y, SIXAXIS_ACC_RES_PER_G); | 
 | 		input_abs_set_res(sc->sensor_dev, ABS_Z, SIXAXIS_ACC_RES_PER_G); | 
 | 	} else if (sc->quirks & DUALSHOCK4_CONTROLLER) { | 
 | 		range = DS4_ACC_RES_PER_G*4; | 
 | 		input_set_abs_params(sc->sensor_dev, ABS_X, -range, range, 16, 0); | 
 | 		input_set_abs_params(sc->sensor_dev, ABS_Y, -range, range, 16, 0); | 
 | 		input_set_abs_params(sc->sensor_dev, ABS_Z, -range, range, 16, 0); | 
 | 		input_abs_set_res(sc->sensor_dev, ABS_X, DS4_ACC_RES_PER_G); | 
 | 		input_abs_set_res(sc->sensor_dev, ABS_Y, DS4_ACC_RES_PER_G); | 
 | 		input_abs_set_res(sc->sensor_dev, ABS_Z, DS4_ACC_RES_PER_G); | 
 |  | 
 | 		range = DS4_GYRO_RES_PER_DEG_S*2048; | 
 | 		input_set_abs_params(sc->sensor_dev, ABS_RX, -range, range, 16, 0); | 
 | 		input_set_abs_params(sc->sensor_dev, ABS_RY, -range, range, 16, 0); | 
 | 		input_set_abs_params(sc->sensor_dev, ABS_RZ, -range, range, 16, 0); | 
 | 		input_abs_set_res(sc->sensor_dev, ABS_RX, DS4_GYRO_RES_PER_DEG_S); | 
 | 		input_abs_set_res(sc->sensor_dev, ABS_RY, DS4_GYRO_RES_PER_DEG_S); | 
 | 		input_abs_set_res(sc->sensor_dev, ABS_RZ, DS4_GYRO_RES_PER_DEG_S); | 
 |  | 
 | 		__set_bit(EV_MSC, sc->sensor_dev->evbit); | 
 | 		__set_bit(MSC_TIMESTAMP, sc->sensor_dev->mscbit); | 
 | 	} | 
 |  | 
 | 	__set_bit(INPUT_PROP_ACCELEROMETER, sc->sensor_dev->propbit); | 
 |  | 
 | 	ret = input_register_device(sc->sensor_dev); | 
 | 	if (ret < 0) | 
 | 		return ret; | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* | 
 |  * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller | 
 |  * to "operational".  Without this, the ps3 controller will not report any | 
 |  * events. | 
 |  */ | 
 | static int sixaxis_set_operational_usb(struct hid_device *hdev) | 
 | { | 
 | 	struct sony_sc *sc = hid_get_drvdata(hdev); | 
 | 	const int buf_size = | 
 | 		max(SIXAXIS_REPORT_0xF2_SIZE, SIXAXIS_REPORT_0xF5_SIZE); | 
 | 	u8 *buf; | 
 | 	int ret; | 
 |  | 
 | 	buf = kmalloc(buf_size, GFP_KERNEL); | 
 | 	if (!buf) | 
 | 		return -ENOMEM; | 
 |  | 
 | 	ret = hid_hw_raw_request(hdev, 0xf2, buf, SIXAXIS_REPORT_0xF2_SIZE, | 
 | 				 HID_FEATURE_REPORT, HID_REQ_GET_REPORT); | 
 | 	if (ret < 0) { | 
 | 		hid_err(hdev, "can't set operational mode: step 1\n"); | 
 | 		goto out; | 
 | 	} | 
 |  | 
 | 	/* | 
 | 	 * Some compatible controllers like the Speedlink Strike FX and | 
 | 	 * Gasia need another query plus an USB interrupt to get operational. | 
 | 	 */ | 
 | 	ret = hid_hw_raw_request(hdev, 0xf5, buf, SIXAXIS_REPORT_0xF5_SIZE, | 
 | 				 HID_FEATURE_REPORT, HID_REQ_GET_REPORT); | 
 | 	if (ret < 0) { | 
 | 		hid_err(hdev, "can't set operational mode: step 2\n"); | 
 | 		goto out; | 
 | 	} | 
 |  | 
 | 	/* | 
 | 	 * But the USB interrupt would cause SHANWAN controllers to | 
 | 	 * start rumbling non-stop, so skip step 3 for these controllers. | 
 | 	 */ | 
 | 	if (sc->quirks & SHANWAN_GAMEPAD) | 
 | 		goto out; | 
 |  | 
 | 	ret = hid_hw_output_report(hdev, buf, 1); | 
 | 	if (ret < 0) { | 
 | 		hid_info(hdev, "can't set operational mode: step 3, ignoring\n"); | 
 | 		ret = 0; | 
 | 	} | 
 |  | 
 | out: | 
 | 	kfree(buf); | 
 |  | 
 | 	return ret; | 
 | } | 
 |  | 
 | static int sixaxis_set_operational_bt(struct hid_device *hdev) | 
 | { | 
 | 	static const u8 report[] = { 0xf4, 0x42, 0x03, 0x00, 0x00 }; | 
 | 	u8 *buf; | 
 | 	int ret; | 
 |  | 
 | 	buf = kmemdup(report, sizeof(report), GFP_KERNEL); | 
 | 	if (!buf) | 
 | 		return -ENOMEM; | 
 |  | 
 | 	ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(report), | 
 | 				  HID_FEATURE_REPORT, HID_REQ_SET_REPORT); | 
 |  | 
 | 	kfree(buf); | 
 |  | 
 | 	return ret; | 
 | } | 
 |  | 
 | /* | 
 |  * Request DS4 calibration data for the motion sensors. | 
 |  * For Bluetooth this also affects the operating mode (see below). | 
 |  */ | 
 | static int dualshock4_get_calibration_data(struct sony_sc *sc) | 
 | { | 
 | 	u8 *buf; | 
 | 	int ret; | 
 | 	short gyro_pitch_bias, gyro_pitch_plus, gyro_pitch_minus; | 
 | 	short gyro_yaw_bias, gyro_yaw_plus, gyro_yaw_minus; | 
 | 	short gyro_roll_bias, gyro_roll_plus, gyro_roll_minus; | 
 | 	short gyro_speed_plus, gyro_speed_minus; | 
 | 	short acc_x_plus, acc_x_minus; | 
 | 	short acc_y_plus, acc_y_minus; | 
 | 	short acc_z_plus, acc_z_minus; | 
 | 	int speed_2x; | 
 | 	int range_2g; | 
 |  | 
 | 	/* For Bluetooth we use a different request, which supports CRC. | 
 | 	 * Note: in Bluetooth mode feature report 0x02 also changes the state | 
 | 	 * of the controller, so that it sends input reports of type 0x11. | 
 | 	 */ | 
 | 	if (sc->quirks & (DUALSHOCK4_CONTROLLER_USB | DUALSHOCK4_DONGLE)) { | 
 | 		buf = kmalloc(DS4_FEATURE_REPORT_0x02_SIZE, GFP_KERNEL); | 
 | 		if (!buf) | 
 | 			return -ENOMEM; | 
 |  | 
 | 		ret = hid_hw_raw_request(sc->hdev, 0x02, buf, | 
 | 					 DS4_FEATURE_REPORT_0x02_SIZE, | 
 | 					 HID_FEATURE_REPORT, | 
 | 					 HID_REQ_GET_REPORT); | 
 | 		if (ret < 0) | 
 | 			goto err_stop; | 
 | 	} else { | 
 | 		u8 bthdr = 0xA3; | 
 | 		u32 crc; | 
 | 		u32 report_crc; | 
 | 		int retries; | 
 |  | 
 | 		buf = kmalloc(DS4_FEATURE_REPORT_0x05_SIZE, GFP_KERNEL); | 
 | 		if (!buf) | 
 | 			return -ENOMEM; | 
 |  | 
 | 		for (retries = 0; retries < 3; retries++) { | 
 | 			ret = hid_hw_raw_request(sc->hdev, 0x05, buf, | 
 | 						 DS4_FEATURE_REPORT_0x05_SIZE, | 
 | 						 HID_FEATURE_REPORT, | 
 | 						 HID_REQ_GET_REPORT); | 
 | 			if (ret < 0) | 
 | 				goto err_stop; | 
 |  | 
 | 			/* CRC check */ | 
 | 			crc = crc32_le(0xFFFFFFFF, &bthdr, 1); | 
 | 			crc = ~crc32_le(crc, buf, DS4_FEATURE_REPORT_0x05_SIZE-4); | 
 | 			report_crc = get_unaligned_le32(&buf[DS4_FEATURE_REPORT_0x05_SIZE-4]); | 
 | 			if (crc != report_crc) { | 
 | 				hid_warn(sc->hdev, "DualShock 4 calibration report's CRC check failed, received crc 0x%0x != 0x%0x\n", | 
 | 					report_crc, crc); | 
 | 				if (retries < 2) { | 
 | 					hid_warn(sc->hdev, "Retrying DualShock 4 get calibration report request\n"); | 
 | 					continue; | 
 | 				} else { | 
 | 					ret = -EILSEQ; | 
 | 					goto err_stop; | 
 | 				} | 
 | 			} else { | 
 | 				break; | 
 | 			} | 
 | 		} | 
 | 	} | 
 |  | 
 | 	gyro_pitch_bias  = get_unaligned_le16(&buf[1]); | 
 | 	gyro_yaw_bias    = get_unaligned_le16(&buf[3]); | 
 | 	gyro_roll_bias   = get_unaligned_le16(&buf[5]); | 
 | 	if (sc->quirks & DUALSHOCK4_CONTROLLER_USB) { | 
 | 		gyro_pitch_plus  = get_unaligned_le16(&buf[7]); | 
 | 		gyro_pitch_minus = get_unaligned_le16(&buf[9]); | 
 | 		gyro_yaw_plus    = get_unaligned_le16(&buf[11]); | 
 | 		gyro_yaw_minus   = get_unaligned_le16(&buf[13]); | 
 | 		gyro_roll_plus   = get_unaligned_le16(&buf[15]); | 
 | 		gyro_roll_minus  = get_unaligned_le16(&buf[17]); | 
 | 	} else { | 
 | 		/* BT + Dongle */ | 
 | 		gyro_pitch_plus  = get_unaligned_le16(&buf[7]); | 
 | 		gyro_yaw_plus    = get_unaligned_le16(&buf[9]); | 
 | 		gyro_roll_plus   = get_unaligned_le16(&buf[11]); | 
 | 		gyro_pitch_minus = get_unaligned_le16(&buf[13]); | 
 | 		gyro_yaw_minus   = get_unaligned_le16(&buf[15]); | 
 | 		gyro_roll_minus  = get_unaligned_le16(&buf[17]); | 
 | 	} | 
 | 	gyro_speed_plus  = get_unaligned_le16(&buf[19]); | 
 | 	gyro_speed_minus = get_unaligned_le16(&buf[21]); | 
 | 	acc_x_plus       = get_unaligned_le16(&buf[23]); | 
 | 	acc_x_minus      = get_unaligned_le16(&buf[25]); | 
 | 	acc_y_plus       = get_unaligned_le16(&buf[27]); | 
 | 	acc_y_minus      = get_unaligned_le16(&buf[29]); | 
 | 	acc_z_plus       = get_unaligned_le16(&buf[31]); | 
 | 	acc_z_minus      = get_unaligned_le16(&buf[33]); | 
 |  | 
 | 	/* Set gyroscope calibration and normalization parameters. | 
 | 	 * Data values will be normalized to 1/DS4_GYRO_RES_PER_DEG_S degree/s. | 
 | 	 */ | 
 | 	speed_2x = (gyro_speed_plus + gyro_speed_minus); | 
 | 	sc->ds4_calib_data[0].abs_code = ABS_RX; | 
 | 	sc->ds4_calib_data[0].bias = gyro_pitch_bias; | 
 | 	sc->ds4_calib_data[0].sens_numer = speed_2x*DS4_GYRO_RES_PER_DEG_S; | 
 | 	sc->ds4_calib_data[0].sens_denom = gyro_pitch_plus - gyro_pitch_minus; | 
 |  | 
 | 	sc->ds4_calib_data[1].abs_code = ABS_RY; | 
 | 	sc->ds4_calib_data[1].bias = gyro_yaw_bias; | 
 | 	sc->ds4_calib_data[1].sens_numer = speed_2x*DS4_GYRO_RES_PER_DEG_S; | 
 | 	sc->ds4_calib_data[1].sens_denom = gyro_yaw_plus - gyro_yaw_minus; | 
 |  | 
 | 	sc->ds4_calib_data[2].abs_code = ABS_RZ; | 
 | 	sc->ds4_calib_data[2].bias = gyro_roll_bias; | 
 | 	sc->ds4_calib_data[2].sens_numer = speed_2x*DS4_GYRO_RES_PER_DEG_S; | 
 | 	sc->ds4_calib_data[2].sens_denom = gyro_roll_plus - gyro_roll_minus; | 
 |  | 
 | 	/* Set accelerometer calibration and normalization parameters. | 
 | 	 * Data values will be normalized to 1/DS4_ACC_RES_PER_G G. | 
 | 	 */ | 
 | 	range_2g = acc_x_plus - acc_x_minus; | 
 | 	sc->ds4_calib_data[3].abs_code = ABS_X; | 
 | 	sc->ds4_calib_data[3].bias = acc_x_plus - range_2g / 2; | 
 | 	sc->ds4_calib_data[3].sens_numer = 2*DS4_ACC_RES_PER_G; | 
 | 	sc->ds4_calib_data[3].sens_denom = range_2g; | 
 |  | 
 | 	range_2g = acc_y_plus - acc_y_minus; | 
 | 	sc->ds4_calib_data[4].abs_code = ABS_Y; | 
 | 	sc->ds4_calib_data[4].bias = acc_y_plus - range_2g / 2; | 
 | 	sc->ds4_calib_data[4].sens_numer = 2*DS4_ACC_RES_PER_G; | 
 | 	sc->ds4_calib_data[4].sens_denom = range_2g; | 
 |  | 
 | 	range_2g = acc_z_plus - acc_z_minus; | 
 | 	sc->ds4_calib_data[5].abs_code = ABS_Z; | 
 | 	sc->ds4_calib_data[5].bias = acc_z_plus - range_2g / 2; | 
 | 	sc->ds4_calib_data[5].sens_numer = 2*DS4_ACC_RES_PER_G; | 
 | 	sc->ds4_calib_data[5].sens_denom = range_2g; | 
 |  | 
 | err_stop: | 
 | 	kfree(buf); | 
 | 	return ret; | 
 | } | 
 |  | 
 | static void dualshock4_calibration_work(struct work_struct *work) | 
 | { | 
 | 	struct sony_sc *sc = container_of(work, struct sony_sc, hotplug_worker); | 
 | 	unsigned long flags; | 
 | 	enum ds4_dongle_state dongle_state; | 
 | 	int ret; | 
 |  | 
 | 	ret = dualshock4_get_calibration_data(sc); | 
 | 	if (ret < 0) { | 
 | 		/* This call is very unlikely to fail for the dongle. When it | 
 | 		 * fails we are probably in a very bad state, so mark the | 
 | 		 * dongle as disabled. We will re-enable the dongle if a new | 
 | 		 * DS4 hotplug is detect from sony_raw_event as any issues | 
 | 		 * are likely resolved then (the dongle is quite stupid). | 
 | 		 */ | 
 | 		hid_err(sc->hdev, "DualShock 4 USB dongle: calibration failed, disabling device\n"); | 
 | 		dongle_state = DONGLE_DISABLED; | 
 | 	} else { | 
 | 		hid_info(sc->hdev, "DualShock 4 USB dongle: calibration completed\n"); | 
 | 		dongle_state = DONGLE_CONNECTED; | 
 | 	} | 
 |  | 
 | 	spin_lock_irqsave(&sc->lock, flags); | 
 | 	sc->ds4_dongle_state = dongle_state; | 
 | 	spin_unlock_irqrestore(&sc->lock, flags); | 
 | } | 
 |  | 
 | static int dualshock4_get_version_info(struct sony_sc *sc) | 
 | { | 
 | 	u8 *buf; | 
 | 	int ret; | 
 |  | 
 | 	buf = kmalloc(DS4_FEATURE_REPORT_0xA3_SIZE, GFP_KERNEL); | 
 | 	if (!buf) | 
 | 		return -ENOMEM; | 
 |  | 
 | 	ret = hid_hw_raw_request(sc->hdev, 0xA3, buf, | 
 | 				 DS4_FEATURE_REPORT_0xA3_SIZE, | 
 | 				 HID_FEATURE_REPORT, | 
 | 				 HID_REQ_GET_REPORT); | 
 | 	if (ret < 0) { | 
 | 		kfree(buf); | 
 | 		return ret; | 
 | 	} | 
 |  | 
 | 	sc->hw_version = get_unaligned_le16(&buf[35]); | 
 | 	sc->fw_version = get_unaligned_le16(&buf[41]); | 
 |  | 
 | 	kfree(buf); | 
 | 	return 0; | 
 | } | 
 |  | 
 | static void sixaxis_set_leds_from_id(struct sony_sc *sc) | 
 | { | 
 | 	static const u8 sixaxis_leds[10][4] = { | 
 | 				{ 0x01, 0x00, 0x00, 0x00 }, | 
 | 				{ 0x00, 0x01, 0x00, 0x00 }, | 
 | 				{ 0x00, 0x00, 0x01, 0x00 }, | 
 | 				{ 0x00, 0x00, 0x00, 0x01 }, | 
 | 				{ 0x01, 0x00, 0x00, 0x01 }, | 
 | 				{ 0x00, 0x01, 0x00, 0x01 }, | 
 | 				{ 0x00, 0x00, 0x01, 0x01 }, | 
 | 				{ 0x01, 0x00, 0x01, 0x01 }, | 
 | 				{ 0x00, 0x01, 0x01, 0x01 }, | 
 | 				{ 0x01, 0x01, 0x01, 0x01 } | 
 | 	}; | 
 |  | 
 | 	int id = sc->device_id; | 
 |  | 
 | 	BUILD_BUG_ON(MAX_LEDS < ARRAY_SIZE(sixaxis_leds[0])); | 
 |  | 
 | 	if (id < 0) | 
 | 		return; | 
 |  | 
 | 	id %= 10; | 
 | 	memcpy(sc->led_state, sixaxis_leds[id], sizeof(sixaxis_leds[id])); | 
 | } | 
 |  | 
 | static void dualshock4_set_leds_from_id(struct sony_sc *sc) | 
 | { | 
 | 	/* The first 4 color/index entries match what the PS4 assigns */ | 
 | 	static const u8 color_code[7][3] = { | 
 | 			/* Blue   */	{ 0x00, 0x00, 0x40 }, | 
 | 			/* Red	  */	{ 0x40, 0x00, 0x00 }, | 
 | 			/* Green  */	{ 0x00, 0x40, 0x00 }, | 
 | 			/* Pink   */	{ 0x20, 0x00, 0x20 }, | 
 | 			/* Orange */	{ 0x02, 0x01, 0x00 }, | 
 | 			/* Teal   */	{ 0x00, 0x01, 0x01 }, | 
 | 			/* White  */	{ 0x01, 0x01, 0x01 } | 
 | 	}; | 
 |  | 
 | 	int id = sc->device_id; | 
 |  | 
 | 	BUILD_BUG_ON(MAX_LEDS < ARRAY_SIZE(color_code[0])); | 
 |  | 
 | 	if (id < 0) | 
 | 		return; | 
 |  | 
 | 	id %= 7; | 
 | 	memcpy(sc->led_state, color_code[id], sizeof(color_code[id])); | 
 | } | 
 |  | 
 | static void buzz_set_leds(struct sony_sc *sc) | 
 | { | 
 | 	struct hid_device *hdev = sc->hdev; | 
 | 	struct list_head *report_list = | 
 | 		&hdev->report_enum[HID_OUTPUT_REPORT].report_list; | 
 | 	struct hid_report *report = list_entry(report_list->next, | 
 | 		struct hid_report, list); | 
 | 	s32 *value = report->field[0]->value; | 
 |  | 
 | 	BUILD_BUG_ON(MAX_LEDS < 4); | 
 |  | 
 | 	value[0] = 0x00; | 
 | 	value[1] = sc->led_state[0] ? 0xff : 0x00; | 
 | 	value[2] = sc->led_state[1] ? 0xff : 0x00; | 
 | 	value[3] = sc->led_state[2] ? 0xff : 0x00; | 
 | 	value[4] = sc->led_state[3] ? 0xff : 0x00; | 
 | 	value[5] = 0x00; | 
 | 	value[6] = 0x00; | 
 | 	hid_hw_request(hdev, report, HID_REQ_SET_REPORT); | 
 | } | 
 |  | 
 | static void sony_set_leds(struct sony_sc *sc) | 
 | { | 
 | 	if (!(sc->quirks & BUZZ_CONTROLLER)) | 
 | 		sony_schedule_work(sc, SONY_WORKER_STATE); | 
 | 	else | 
 | 		buzz_set_leds(sc); | 
 | } | 
 |  | 
 | static void sony_led_set_brightness(struct led_classdev *led, | 
 | 				    enum led_brightness value) | 
 | { | 
 | 	struct device *dev = led->dev->parent; | 
 | 	struct hid_device *hdev = to_hid_device(dev); | 
 | 	struct sony_sc *drv_data; | 
 |  | 
 | 	int n; | 
 | 	int force_update; | 
 |  | 
 | 	drv_data = hid_get_drvdata(hdev); | 
 | 	if (!drv_data) { | 
 | 		hid_err(hdev, "No device data\n"); | 
 | 		return; | 
 | 	} | 
 |  | 
 | 	/* | 
 | 	 * The Sixaxis on USB will override any LED settings sent to it | 
 | 	 * and keep flashing all of the LEDs until the PS button is pressed. | 
 | 	 * Updates, even if redundant, must be always be sent to the | 
 | 	 * controller to avoid having to toggle the state of an LED just to | 
 | 	 * stop the flashing later on. | 
 | 	 */ | 
 | 	force_update = !!(drv_data->quirks & SIXAXIS_CONTROLLER_USB); | 
 |  | 
 | 	for (n = 0; n < drv_data->led_count; n++) { | 
 | 		if (led == drv_data->leds[n] && (force_update || | 
 | 			(value != drv_data->led_state[n] || | 
 | 			drv_data->led_delay_on[n] || | 
 | 			drv_data->led_delay_off[n]))) { | 
 |  | 
 | 			drv_data->led_state[n] = value; | 
 |  | 
 | 			/* Setting the brightness stops the blinking */ | 
 | 			drv_data->led_delay_on[n] = 0; | 
 | 			drv_data->led_delay_off[n] = 0; | 
 |  | 
 | 			sony_set_leds(drv_data); | 
 | 			break; | 
 | 		} | 
 | 	} | 
 | } | 
 |  | 
 | static enum led_brightness sony_led_get_brightness(struct led_classdev *led) | 
 | { | 
 | 	struct device *dev = led->dev->parent; | 
 | 	struct hid_device *hdev = to_hid_device(dev); | 
 | 	struct sony_sc *drv_data; | 
 |  | 
 | 	int n; | 
 |  | 
 | 	drv_data = hid_get_drvdata(hdev); | 
 | 	if (!drv_data) { | 
 | 		hid_err(hdev, "No device data\n"); | 
 | 		return LED_OFF; | 
 | 	} | 
 |  | 
 | 	for (n = 0; n < drv_data->led_count; n++) { | 
 | 		if (led == drv_data->leds[n]) | 
 | 			return drv_data->led_state[n]; | 
 | 	} | 
 |  | 
 | 	return LED_OFF; | 
 | } | 
 |  | 
 | static int sony_led_blink_set(struct led_classdev *led, unsigned long *delay_on, | 
 | 				unsigned long *delay_off) | 
 | { | 
 | 	struct device *dev = led->dev->parent; | 
 | 	struct hid_device *hdev = to_hid_device(dev); | 
 | 	struct sony_sc *drv_data = hid_get_drvdata(hdev); | 
 | 	int n; | 
 | 	u8 new_on, new_off; | 
 |  | 
 | 	if (!drv_data) { | 
 | 		hid_err(hdev, "No device data\n"); | 
 | 		return -EINVAL; | 
 | 	} | 
 |  | 
 | 	/* Max delay is 255 deciseconds or 2550 milliseconds */ | 
 | 	if (*delay_on > 2550) | 
 | 		*delay_on = 2550; | 
 | 	if (*delay_off > 2550) | 
 | 		*delay_off = 2550; | 
 |  | 
 | 	/* Blink at 1 Hz if both values are zero */ | 
 | 	if (!*delay_on && !*delay_off) | 
 | 		*delay_on = *delay_off = 500; | 
 |  | 
 | 	new_on = *delay_on / 10; | 
 | 	new_off = *delay_off / 10; | 
 |  | 
 | 	for (n = 0; n < drv_data->led_count; n++) { | 
 | 		if (led == drv_data->leds[n]) | 
 | 			break; | 
 | 	} | 
 |  | 
 | 	/* This LED is not registered on this device */ | 
 | 	if (n >= drv_data->led_count) | 
 | 		return -EINVAL; | 
 |  | 
 | 	/* Don't schedule work if the values didn't change */ | 
 | 	if (new_on != drv_data->led_delay_on[n] || | 
 | 		new_off != drv_data->led_delay_off[n]) { | 
 | 		drv_data->led_delay_on[n] = new_on; | 
 | 		drv_data->led_delay_off[n] = new_off; | 
 | 		sony_schedule_work(drv_data, SONY_WORKER_STATE); | 
 | 	} | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int sony_leds_init(struct sony_sc *sc) | 
 | { | 
 | 	struct hid_device *hdev = sc->hdev; | 
 | 	int n, ret = 0; | 
 | 	int use_ds4_names; | 
 | 	struct led_classdev *led; | 
 | 	size_t name_sz; | 
 | 	char *name; | 
 | 	size_t name_len; | 
 | 	const char *name_fmt; | 
 | 	static const char * const ds4_name_str[] = { "red", "green", "blue", | 
 | 						  "global" }; | 
 | 	u8 max_brightness[MAX_LEDS] = { [0 ... (MAX_LEDS - 1)] = 1 }; | 
 | 	u8 use_hw_blink[MAX_LEDS] = { 0 }; | 
 |  | 
 | 	BUG_ON(!(sc->quirks & SONY_LED_SUPPORT)); | 
 |  | 
 | 	if (sc->quirks & BUZZ_CONTROLLER) { | 
 | 		sc->led_count = 4; | 
 | 		use_ds4_names = 0; | 
 | 		name_len = strlen("::buzz#"); | 
 | 		name_fmt = "%s::buzz%d"; | 
 | 		/* Validate expected report characteristics. */ | 
 | 		if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 0, 0, 7)) | 
 | 			return -ENODEV; | 
 | 	} else if (sc->quirks & DUALSHOCK4_CONTROLLER) { | 
 | 		dualshock4_set_leds_from_id(sc); | 
 | 		sc->led_state[3] = 1; | 
 | 		sc->led_count = 4; | 
 | 		memset(max_brightness, 255, 3); | 
 | 		use_hw_blink[3] = 1; | 
 | 		use_ds4_names = 1; | 
 | 		name_len = 0; | 
 | 		name_fmt = "%s:%s"; | 
 | 	} else if (sc->quirks & MOTION_CONTROLLER) { | 
 | 		sc->led_count = 3; | 
 | 		memset(max_brightness, 255, 3); | 
 | 		use_ds4_names = 1; | 
 | 		name_len = 0; | 
 | 		name_fmt = "%s:%s"; | 
 | 	} else if (sc->quirks & NAVIGATION_CONTROLLER) { | 
 | 		static const u8 navigation_leds[4] = {0x01, 0x00, 0x00, 0x00}; | 
 |  | 
 | 		memcpy(sc->led_state, navigation_leds, sizeof(navigation_leds)); | 
 | 		sc->led_count = 1; | 
 | 		memset(use_hw_blink, 1, 4); | 
 | 		use_ds4_names = 0; | 
 | 		name_len = strlen("::sony#"); | 
 | 		name_fmt = "%s::sony%d"; | 
 | 	} else { | 
 | 		sixaxis_set_leds_from_id(sc); | 
 | 		sc->led_count = 4; | 
 | 		memset(use_hw_blink, 1, 4); | 
 | 		use_ds4_names = 0; | 
 | 		name_len = strlen("::sony#"); | 
 | 		name_fmt = "%s::sony%d"; | 
 | 	} | 
 |  | 
 | 	/* | 
 | 	 * Clear LEDs as we have no way of reading their initial state. This is | 
 | 	 * only relevant if the driver is loaded after somebody actively set the | 
 | 	 * LEDs to on | 
 | 	 */ | 
 | 	sony_set_leds(sc); | 
 |  | 
 | 	name_sz = strlen(dev_name(&hdev->dev)) + name_len + 1; | 
 |  | 
 | 	for (n = 0; n < sc->led_count; n++) { | 
 |  | 
 | 		if (use_ds4_names) | 
 | 			name_sz = strlen(dev_name(&hdev->dev)) + strlen(ds4_name_str[n]) + 2; | 
 |  | 
 | 		led = devm_kzalloc(&hdev->dev, sizeof(struct led_classdev) + name_sz, GFP_KERNEL); | 
 | 		if (!led) { | 
 | 			hid_err(hdev, "Couldn't allocate memory for LED %d\n", n); | 
 | 			return -ENOMEM; | 
 | 		} | 
 |  | 
 | 		name = (void *)(&led[1]); | 
 | 		if (use_ds4_names) | 
 | 			snprintf(name, name_sz, name_fmt, dev_name(&hdev->dev), | 
 | 			ds4_name_str[n]); | 
 | 		else | 
 | 			snprintf(name, name_sz, name_fmt, dev_name(&hdev->dev), n + 1); | 
 | 		led->name = name; | 
 | 		led->brightness = sc->led_state[n]; | 
 | 		led->max_brightness = max_brightness[n]; | 
 | 		led->flags = LED_CORE_SUSPENDRESUME; | 
 | 		led->brightness_get = sony_led_get_brightness; | 
 | 		led->brightness_set = sony_led_set_brightness; | 
 |  | 
 | 		if (use_hw_blink[n]) | 
 | 			led->blink_set = sony_led_blink_set; | 
 |  | 
 | 		sc->leds[n] = led; | 
 |  | 
 | 		ret = devm_led_classdev_register(&hdev->dev, led); | 
 | 		if (ret) { | 
 | 			hid_err(hdev, "Failed to register LED %d\n", n); | 
 | 			return ret; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static void sixaxis_send_output_report(struct sony_sc *sc) | 
 | { | 
 | 	static const union sixaxis_output_report_01 default_report = { | 
 | 		.buf = { | 
 | 			0x01, | 
 | 			0x01, 0xff, 0x00, 0xff, 0x00, | 
 | 			0x00, 0x00, 0x00, 0x00, 0x00, | 
 | 			0xff, 0x27, 0x10, 0x00, 0x32, | 
 | 			0xff, 0x27, 0x10, 0x00, 0x32, | 
 | 			0xff, 0x27, 0x10, 0x00, 0x32, | 
 | 			0xff, 0x27, 0x10, 0x00, 0x32, | 
 | 			0x00, 0x00, 0x00, 0x00, 0x00 | 
 | 		} | 
 | 	}; | 
 | 	struct sixaxis_output_report *report = | 
 | 		(struct sixaxis_output_report *)sc->output_report_dmabuf; | 
 | 	int n; | 
 |  | 
 | 	/* Initialize the report with default values */ | 
 | 	memcpy(report, &default_report, sizeof(struct sixaxis_output_report)); | 
 |  | 
 | #ifdef CONFIG_SONY_FF | 
 | 	report->rumble.right_motor_on = sc->right ? 1 : 0; | 
 | 	report->rumble.left_motor_force = sc->left; | 
 | #endif | 
 |  | 
 | 	report->leds_bitmap |= sc->led_state[0] << 1; | 
 | 	report->leds_bitmap |= sc->led_state[1] << 2; | 
 | 	report->leds_bitmap |= sc->led_state[2] << 3; | 
 | 	report->leds_bitmap |= sc->led_state[3] << 4; | 
 |  | 
 | 	/* Set flag for all leds off, required for 3rd party INTEC controller */ | 
 | 	if ((report->leds_bitmap & 0x1E) == 0) | 
 | 		report->leds_bitmap |= 0x20; | 
 |  | 
 | 	/* | 
 | 	 * The LEDs in the report are indexed in reverse order to their | 
 | 	 * corresponding light on the controller. | 
 | 	 * Index 0 = LED 4, index 1 = LED 3, etc... | 
 | 	 * | 
 | 	 * In the case of both delay values being zero (blinking disabled) the | 
 | 	 * default report values should be used or the controller LED will be | 
 | 	 * always off. | 
 | 	 */ | 
 | 	for (n = 0; n < 4; n++) { | 
 | 		if (sc->led_delay_on[n] || sc->led_delay_off[n]) { | 
 | 			report->led[3 - n].duty_off = sc->led_delay_off[n]; | 
 | 			report->led[3 - n].duty_on = sc->led_delay_on[n]; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	/* SHANWAN controllers require output reports via intr channel */ | 
 | 	if (sc->quirks & SHANWAN_GAMEPAD) | 
 | 		hid_hw_output_report(sc->hdev, (u8 *)report, | 
 | 				sizeof(struct sixaxis_output_report)); | 
 | 	else | 
 | 		hid_hw_raw_request(sc->hdev, report->report_id, (u8 *)report, | 
 | 				sizeof(struct sixaxis_output_report), | 
 | 				HID_OUTPUT_REPORT, HID_REQ_SET_REPORT); | 
 | } | 
 |  | 
 | static void dualshock4_send_output_report(struct sony_sc *sc) | 
 | { | 
 | 	struct hid_device *hdev = sc->hdev; | 
 | 	u8 *buf = sc->output_report_dmabuf; | 
 | 	int offset; | 
 |  | 
 | 	/* | 
 | 	 * NOTE: The lower 6 bits of buf[1] field of the Bluetooth report | 
 | 	 * control the interval at which Dualshock 4 reports data: | 
 | 	 * 0x00 - 1ms | 
 | 	 * 0x01 - 1ms | 
 | 	 * 0x02 - 2ms | 
 | 	 * 0x3E - 62ms | 
 | 	 * 0x3F - disabled | 
 | 	 */ | 
 | 	if (sc->quirks & (DUALSHOCK4_CONTROLLER_USB | DUALSHOCK4_DONGLE)) { | 
 | 		memset(buf, 0, DS4_OUTPUT_REPORT_0x05_SIZE); | 
 | 		buf[0] = 0x05; | 
 | 		buf[1] = 0x07; /* blink + LEDs + motor */ | 
 | 		offset = 4; | 
 | 	} else { | 
 | 		memset(buf, 0, DS4_OUTPUT_REPORT_0x11_SIZE); | 
 | 		buf[0] = 0x11; | 
 | 		buf[1] = 0xC0 /* HID + CRC */ | sc->ds4_bt_poll_interval; | 
 | 		buf[3] = 0x07; /* blink + LEDs + motor */ | 
 | 		offset = 6; | 
 | 	} | 
 |  | 
 | #ifdef CONFIG_SONY_FF | 
 | 	buf[offset++] = sc->right; | 
 | 	buf[offset++] = sc->left; | 
 | #else | 
 | 	offset += 2; | 
 | #endif | 
 |  | 
 | 	/* LED 3 is the global control */ | 
 | 	if (sc->led_state[3]) { | 
 | 		buf[offset++] = sc->led_state[0]; | 
 | 		buf[offset++] = sc->led_state[1]; | 
 | 		buf[offset++] = sc->led_state[2]; | 
 | 	} else { | 
 | 		offset += 3; | 
 | 	} | 
 |  | 
 | 	/* If both delay values are zero the DualShock 4 disables blinking. */ | 
 | 	buf[offset++] = sc->led_delay_on[3]; | 
 | 	buf[offset++] = sc->led_delay_off[3]; | 
 |  | 
 | 	if (sc->quirks & (DUALSHOCK4_CONTROLLER_USB | DUALSHOCK4_DONGLE)) | 
 | 		hid_hw_output_report(hdev, buf, DS4_OUTPUT_REPORT_0x05_SIZE); | 
 | 	else { | 
 | 		/* CRC generation */ | 
 | 		u8 bthdr = 0xA2; | 
 | 		u32 crc; | 
 |  | 
 | 		crc = crc32_le(0xFFFFFFFF, &bthdr, 1); | 
 | 		crc = ~crc32_le(crc, buf, DS4_OUTPUT_REPORT_0x11_SIZE-4); | 
 | 		put_unaligned_le32(crc, &buf[74]); | 
 | 		hid_hw_output_report(hdev, buf, DS4_OUTPUT_REPORT_0x11_SIZE); | 
 | 	} | 
 | } | 
 |  | 
 | static void motion_send_output_report(struct sony_sc *sc) | 
 | { | 
 | 	struct hid_device *hdev = sc->hdev; | 
 | 	struct motion_output_report_02 *report = | 
 | 		(struct motion_output_report_02 *)sc->output_report_dmabuf; | 
 |  | 
 | 	memset(report, 0, MOTION_REPORT_0x02_SIZE); | 
 |  | 
 | 	report->type = 0x02; /* set leds */ | 
 | 	report->r = sc->led_state[0]; | 
 | 	report->g = sc->led_state[1]; | 
 | 	report->b = sc->led_state[2]; | 
 |  | 
 | #ifdef CONFIG_SONY_FF | 
 | 	report->rumble = max(sc->right, sc->left); | 
 | #endif | 
 |  | 
 | 	hid_hw_output_report(hdev, (u8 *)report, MOTION_REPORT_0x02_SIZE); | 
 | } | 
 |  | 
 | static inline void sony_send_output_report(struct sony_sc *sc) | 
 | { | 
 | 	if (sc->send_output_report) | 
 | 		sc->send_output_report(sc); | 
 | } | 
 |  | 
 | static void sony_state_worker(struct work_struct *work) | 
 | { | 
 | 	struct sony_sc *sc = container_of(work, struct sony_sc, state_worker); | 
 |  | 
 | 	sc->send_output_report(sc); | 
 | } | 
 |  | 
 | static int sony_allocate_output_report(struct sony_sc *sc) | 
 | { | 
 | 	if ((sc->quirks & SIXAXIS_CONTROLLER) || | 
 | 			(sc->quirks & NAVIGATION_CONTROLLER)) | 
 | 		sc->output_report_dmabuf = | 
 | 			devm_kmalloc(&sc->hdev->dev, | 
 | 				sizeof(union sixaxis_output_report_01), | 
 | 				GFP_KERNEL); | 
 | 	else if (sc->quirks & DUALSHOCK4_CONTROLLER_BT) | 
 | 		sc->output_report_dmabuf = devm_kmalloc(&sc->hdev->dev, | 
 | 						DS4_OUTPUT_REPORT_0x11_SIZE, | 
 | 						GFP_KERNEL); | 
 | 	else if (sc->quirks & (DUALSHOCK4_CONTROLLER_USB | DUALSHOCK4_DONGLE)) | 
 | 		sc->output_report_dmabuf = devm_kmalloc(&sc->hdev->dev, | 
 | 						DS4_OUTPUT_REPORT_0x05_SIZE, | 
 | 						GFP_KERNEL); | 
 | 	else if (sc->quirks & MOTION_CONTROLLER) | 
 | 		sc->output_report_dmabuf = devm_kmalloc(&sc->hdev->dev, | 
 | 						MOTION_REPORT_0x02_SIZE, | 
 | 						GFP_KERNEL); | 
 | 	else | 
 | 		return 0; | 
 |  | 
 | 	if (!sc->output_report_dmabuf) | 
 | 		return -ENOMEM; | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | #ifdef CONFIG_SONY_FF | 
 | static int sony_play_effect(struct input_dev *dev, void *data, | 
 | 			    struct ff_effect *effect) | 
 | { | 
 | 	struct hid_device *hid = input_get_drvdata(dev); | 
 | 	struct sony_sc *sc = hid_get_drvdata(hid); | 
 |  | 
 | 	if (effect->type != FF_RUMBLE) | 
 | 		return 0; | 
 |  | 
 | 	sc->left = effect->u.rumble.strong_magnitude / 256; | 
 | 	sc->right = effect->u.rumble.weak_magnitude / 256; | 
 |  | 
 | 	sony_schedule_work(sc, SONY_WORKER_STATE); | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int sony_init_ff(struct sony_sc *sc) | 
 | { | 
 | 	struct hid_input *hidinput = list_entry(sc->hdev->inputs.next, | 
 | 						struct hid_input, list); | 
 | 	struct input_dev *input_dev = hidinput->input; | 
 |  | 
 | 	input_set_capability(input_dev, EV_FF, FF_RUMBLE); | 
 | 	return input_ff_create_memless(input_dev, NULL, sony_play_effect); | 
 | } | 
 |  | 
 | #else | 
 | static int sony_init_ff(struct sony_sc *sc) | 
 | { | 
 | 	return 0; | 
 | } | 
 |  | 
 | #endif | 
 |  | 
 | static int sony_battery_get_property(struct power_supply *psy, | 
 | 				     enum power_supply_property psp, | 
 | 				     union power_supply_propval *val) | 
 | { | 
 | 	struct sony_sc *sc = power_supply_get_drvdata(psy); | 
 | 	unsigned long flags; | 
 | 	int ret = 0; | 
 | 	u8 battery_charging, battery_capacity, cable_state; | 
 |  | 
 | 	spin_lock_irqsave(&sc->lock, flags); | 
 | 	battery_charging = sc->battery_charging; | 
 | 	battery_capacity = sc->battery_capacity; | 
 | 	cable_state = sc->cable_state; | 
 | 	spin_unlock_irqrestore(&sc->lock, flags); | 
 |  | 
 | 	switch (psp) { | 
 | 	case POWER_SUPPLY_PROP_PRESENT: | 
 | 		val->intval = 1; | 
 | 		break; | 
 | 	case POWER_SUPPLY_PROP_SCOPE: | 
 | 		val->intval = POWER_SUPPLY_SCOPE_DEVICE; | 
 | 		break; | 
 | 	case POWER_SUPPLY_PROP_CAPACITY: | 
 | 		val->intval = battery_capacity; | 
 | 		break; | 
 | 	case POWER_SUPPLY_PROP_STATUS: | 
 | 		if (battery_charging) | 
 | 			val->intval = POWER_SUPPLY_STATUS_CHARGING; | 
 | 		else | 
 | 			if (battery_capacity == 100 && cable_state) | 
 | 				val->intval = POWER_SUPPLY_STATUS_FULL; | 
 | 			else | 
 | 				val->intval = POWER_SUPPLY_STATUS_DISCHARGING; | 
 | 		break; | 
 | 	default: | 
 | 		ret = -EINVAL; | 
 | 		break; | 
 | 	} | 
 | 	return ret; | 
 | } | 
 |  | 
 | static int sony_battery_probe(struct sony_sc *sc, int append_dev_id) | 
 | { | 
 | 	const char *battery_str_fmt = append_dev_id ? | 
 | 		"sony_controller_battery_%pMR_%i" : | 
 | 		"sony_controller_battery_%pMR"; | 
 | 	struct power_supply_config psy_cfg = { .drv_data = sc, }; | 
 | 	struct hid_device *hdev = sc->hdev; | 
 | 	int ret; | 
 |  | 
 | 	/* | 
 | 	 * Set the default battery level to 100% to avoid low battery warnings | 
 | 	 * if the battery is polled before the first device report is received. | 
 | 	 */ | 
 | 	sc->battery_capacity = 100; | 
 |  | 
 | 	sc->battery_desc.properties = sony_battery_props; | 
 | 	sc->battery_desc.num_properties = ARRAY_SIZE(sony_battery_props); | 
 | 	sc->battery_desc.get_property = sony_battery_get_property; | 
 | 	sc->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY; | 
 | 	sc->battery_desc.use_for_apm = 0; | 
 | 	sc->battery_desc.name = devm_kasprintf(&hdev->dev, GFP_KERNEL, | 
 | 					  battery_str_fmt, sc->mac_address, sc->device_id); | 
 | 	if (!sc->battery_desc.name) | 
 | 		return -ENOMEM; | 
 |  | 
 | 	sc->battery = devm_power_supply_register(&hdev->dev, &sc->battery_desc, | 
 | 					    &psy_cfg); | 
 | 	if (IS_ERR(sc->battery)) { | 
 | 		ret = PTR_ERR(sc->battery); | 
 | 		hid_err(hdev, "Unable to register battery device\n"); | 
 | 		return ret; | 
 | 	} | 
 |  | 
 | 	power_supply_powers(sc->battery, &hdev->dev); | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* | 
 |  * If a controller is plugged in via USB while already connected via Bluetooth | 
 |  * it will show up as two devices. A global list of connected controllers and | 
 |  * their MAC addresses is maintained to ensure that a device is only connected | 
 |  * once. | 
 |  * | 
 |  * Some USB-only devices masquerade as Sixaxis controllers and all have the | 
 |  * same dummy Bluetooth address, so a comparison of the connection type is | 
 |  * required.  Devices are only rejected in the case where two devices have | 
 |  * matching Bluetooth addresses on different bus types. | 
 |  */ | 
 | static inline int sony_compare_connection_type(struct sony_sc *sc0, | 
 | 						struct sony_sc *sc1) | 
 | { | 
 | 	const int sc0_not_bt = !(sc0->quirks & SONY_BT_DEVICE); | 
 | 	const int sc1_not_bt = !(sc1->quirks & SONY_BT_DEVICE); | 
 |  | 
 | 	return sc0_not_bt == sc1_not_bt; | 
 | } | 
 |  | 
 | static int sony_check_add_dev_list(struct sony_sc *sc) | 
 | { | 
 | 	struct sony_sc *entry; | 
 | 	unsigned long flags; | 
 | 	int ret; | 
 |  | 
 | 	spin_lock_irqsave(&sony_dev_list_lock, flags); | 
 |  | 
 | 	list_for_each_entry(entry, &sony_device_list, list_node) { | 
 | 		ret = memcmp(sc->mac_address, entry->mac_address, | 
 | 				sizeof(sc->mac_address)); | 
 | 		if (!ret) { | 
 | 			if (sony_compare_connection_type(sc, entry)) { | 
 | 				ret = 1; | 
 | 			} else { | 
 | 				ret = -EEXIST; | 
 | 				hid_info(sc->hdev, | 
 | 				"controller with MAC address %pMR already connected\n", | 
 | 				sc->mac_address); | 
 | 			} | 
 | 			goto unlock; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	ret = 0; | 
 | 	list_add(&(sc->list_node), &sony_device_list); | 
 |  | 
 | unlock: | 
 | 	spin_unlock_irqrestore(&sony_dev_list_lock, flags); | 
 | 	return ret; | 
 | } | 
 |  | 
 | static void sony_remove_dev_list(struct sony_sc *sc) | 
 | { | 
 | 	unsigned long flags; | 
 |  | 
 | 	if (sc->list_node.next) { | 
 | 		spin_lock_irqsave(&sony_dev_list_lock, flags); | 
 | 		list_del(&(sc->list_node)); | 
 | 		spin_unlock_irqrestore(&sony_dev_list_lock, flags); | 
 | 	} | 
 | } | 
 |  | 
 | static int sony_get_bt_devaddr(struct sony_sc *sc) | 
 | { | 
 | 	int ret; | 
 |  | 
 | 	/* HIDP stores the device MAC address as a string in the uniq field. */ | 
 | 	ret = strlen(sc->hdev->uniq); | 
 | 	if (ret != 17) | 
 | 		return -EINVAL; | 
 |  | 
 | 	ret = sscanf(sc->hdev->uniq, | 
 | 		"%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx", | 
 | 		&sc->mac_address[5], &sc->mac_address[4], &sc->mac_address[3], | 
 | 		&sc->mac_address[2], &sc->mac_address[1], &sc->mac_address[0]); | 
 |  | 
 | 	if (ret != 6) | 
 | 		return -EINVAL; | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int sony_check_add(struct sony_sc *sc) | 
 | { | 
 | 	u8 *buf = NULL; | 
 | 	int n, ret; | 
 |  | 
 | 	if ((sc->quirks & DUALSHOCK4_CONTROLLER_BT) || | 
 | 	    (sc->quirks & MOTION_CONTROLLER_BT) || | 
 | 	    (sc->quirks & NAVIGATION_CONTROLLER_BT) || | 
 | 	    (sc->quirks & SIXAXIS_CONTROLLER_BT)) { | 
 | 		/* | 
 | 		 * sony_get_bt_devaddr() attempts to parse the Bluetooth MAC | 
 | 		 * address from the uniq string where HIDP stores it. | 
 | 		 * As uniq cannot be guaranteed to be a MAC address in all cases | 
 | 		 * a failure of this function should not prevent the connection. | 
 | 		 */ | 
 | 		if (sony_get_bt_devaddr(sc) < 0) { | 
 | 			hid_warn(sc->hdev, "UNIQ does not contain a MAC address; duplicate check skipped\n"); | 
 | 			return 0; | 
 | 		} | 
 | 	} else if (sc->quirks & (DUALSHOCK4_CONTROLLER_USB | DUALSHOCK4_DONGLE)) { | 
 | 		buf = kmalloc(DS4_FEATURE_REPORT_0x81_SIZE, GFP_KERNEL); | 
 | 		if (!buf) | 
 | 			return -ENOMEM; | 
 |  | 
 | 		/* | 
 | 		 * The MAC address of a DS4 controller connected via USB can be | 
 | 		 * retrieved with feature report 0x81. The address begins at | 
 | 		 * offset 1. | 
 | 		 */ | 
 | 		ret = hid_hw_raw_request(sc->hdev, 0x81, buf, | 
 | 				DS4_FEATURE_REPORT_0x81_SIZE, HID_FEATURE_REPORT, | 
 | 				HID_REQ_GET_REPORT); | 
 |  | 
 | 		if (ret != DS4_FEATURE_REPORT_0x81_SIZE) { | 
 | 			hid_err(sc->hdev, "failed to retrieve feature report 0x81 with the DualShock 4 MAC address\n"); | 
 | 			ret = ret < 0 ? ret : -EINVAL; | 
 | 			goto out_free; | 
 | 		} | 
 |  | 
 | 		memcpy(sc->mac_address, &buf[1], sizeof(sc->mac_address)); | 
 |  | 
 | 		snprintf(sc->hdev->uniq, sizeof(sc->hdev->uniq), | 
 | 			 "%pMR", sc->mac_address); | 
 | 	} else if ((sc->quirks & SIXAXIS_CONTROLLER_USB) || | 
 | 			(sc->quirks & NAVIGATION_CONTROLLER_USB)) { | 
 | 		buf = kmalloc(SIXAXIS_REPORT_0xF2_SIZE, GFP_KERNEL); | 
 | 		if (!buf) | 
 | 			return -ENOMEM; | 
 |  | 
 | 		/* | 
 | 		 * The MAC address of a Sixaxis controller connected via USB can | 
 | 		 * be retrieved with feature report 0xf2. The address begins at | 
 | 		 * offset 4. | 
 | 		 */ | 
 | 		ret = hid_hw_raw_request(sc->hdev, 0xf2, buf, | 
 | 				SIXAXIS_REPORT_0xF2_SIZE, HID_FEATURE_REPORT, | 
 | 				HID_REQ_GET_REPORT); | 
 |  | 
 | 		if (ret != SIXAXIS_REPORT_0xF2_SIZE) { | 
 | 			hid_err(sc->hdev, "failed to retrieve feature report 0xf2 with the Sixaxis MAC address\n"); | 
 | 			ret = ret < 0 ? ret : -EINVAL; | 
 | 			goto out_free; | 
 | 		} | 
 |  | 
 | 		/* | 
 | 		 * The Sixaxis device MAC in the report is big-endian and must | 
 | 		 * be byte-swapped. | 
 | 		 */ | 
 | 		for (n = 0; n < 6; n++) | 
 | 			sc->mac_address[5-n] = buf[4+n]; | 
 |  | 
 | 		snprintf(sc->hdev->uniq, sizeof(sc->hdev->uniq), | 
 | 			 "%pMR", sc->mac_address); | 
 | 	} else { | 
 | 		return 0; | 
 | 	} | 
 |  | 
 | 	ret = sony_check_add_dev_list(sc); | 
 |  | 
 | out_free: | 
 |  | 
 | 	kfree(buf); | 
 |  | 
 | 	return ret; | 
 | } | 
 |  | 
 | static int sony_set_device_id(struct sony_sc *sc) | 
 | { | 
 | 	int ret; | 
 |  | 
 | 	/* | 
 | 	 * Only DualShock 4 or Sixaxis controllers get an id. | 
 | 	 * All others are set to -1. | 
 | 	 */ | 
 | 	if ((sc->quirks & SIXAXIS_CONTROLLER) || | 
 | 	    (sc->quirks & DUALSHOCK4_CONTROLLER)) { | 
 | 		ret = ida_simple_get(&sony_device_id_allocator, 0, 0, | 
 | 					GFP_KERNEL); | 
 | 		if (ret < 0) { | 
 | 			sc->device_id = -1; | 
 | 			return ret; | 
 | 		} | 
 | 		sc->device_id = ret; | 
 | 	} else { | 
 | 		sc->device_id = -1; | 
 | 	} | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static void sony_release_device_id(struct sony_sc *sc) | 
 | { | 
 | 	if (sc->device_id >= 0) { | 
 | 		ida_simple_remove(&sony_device_id_allocator, sc->device_id); | 
 | 		sc->device_id = -1; | 
 | 	} | 
 | } | 
 |  | 
 | static inline void sony_init_output_report(struct sony_sc *sc, | 
 | 				void (*send_output_report)(struct sony_sc *)) | 
 | { | 
 | 	sc->send_output_report = send_output_report; | 
 |  | 
 | 	if (!sc->state_worker_initialized) | 
 | 		INIT_WORK(&sc->state_worker, sony_state_worker); | 
 |  | 
 | 	sc->state_worker_initialized = 1; | 
 | } | 
 |  | 
 | static inline void sony_cancel_work_sync(struct sony_sc *sc) | 
 | { | 
 | 	if (sc->hotplug_worker_initialized) | 
 | 		cancel_work_sync(&sc->hotplug_worker); | 
 | 	if (sc->state_worker_initialized) | 
 | 		cancel_work_sync(&sc->state_worker); | 
 | } | 
 |  | 
 |  | 
 | static int sony_input_configured(struct hid_device *hdev, | 
 | 					struct hid_input *hidinput) | 
 | { | 
 | 	struct sony_sc *sc = hid_get_drvdata(hdev); | 
 | 	int append_dev_id; | 
 | 	int ret; | 
 |  | 
 | 	ret = sony_set_device_id(sc); | 
 | 	if (ret < 0) { | 
 | 		hid_err(hdev, "failed to allocate the device id\n"); | 
 | 		goto err_stop; | 
 | 	} | 
 |  | 
 | 	ret = append_dev_id = sony_check_add(sc); | 
 | 	if (ret < 0) | 
 | 		goto err_stop; | 
 |  | 
 | 	ret = sony_allocate_output_report(sc); | 
 | 	if (ret < 0) { | 
 | 		hid_err(hdev, "failed to allocate the output report buffer\n"); | 
 | 		goto err_stop; | 
 | 	} | 
 |  | 
 | 	if (sc->quirks & NAVIGATION_CONTROLLER_USB) { | 
 | 		/* | 
 | 		 * The Sony Sixaxis does not handle HID Output Reports on the | 
 | 		 * Interrupt EP like it could, so we need to force HID Output | 
 | 		 * Reports to use HID_REQ_SET_REPORT on the Control EP. | 
 | 		 * | 
 | 		 * There is also another issue about HID Output Reports via USB, | 
 | 		 * the Sixaxis does not want the report_id as part of the data | 
 | 		 * packet, so we have to discard buf[0] when sending the actual | 
 | 		 * control message, even for numbered reports, humpf! | 
 | 		 * | 
 | 		 * Additionally, the Sixaxis on USB isn't properly initialized | 
 | 		 * until the PS logo button is pressed and as such won't retain | 
 | 		 * any state set by an output report, so the initial | 
 | 		 * configuration report is deferred until the first input | 
 | 		 * report arrives. | 
 | 		 */ | 
 | 		hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP; | 
 | 		hdev->quirks |= HID_QUIRK_SKIP_OUTPUT_REPORT_ID; | 
 | 		sc->defer_initialization = 1; | 
 |  | 
 | 		ret = sixaxis_set_operational_usb(hdev); | 
 | 		if (ret < 0) { | 
 | 			hid_err(hdev, "Failed to set controller into operational mode\n"); | 
 | 			goto err_stop; | 
 | 		} | 
 |  | 
 | 		sony_init_output_report(sc, sixaxis_send_output_report); | 
 | 	} else if (sc->quirks & NAVIGATION_CONTROLLER_BT) { | 
 | 		/* | 
 | 		 * The Navigation controller wants output reports sent on the ctrl | 
 | 		 * endpoint when connected via Bluetooth. | 
 | 		 */ | 
 | 		hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP; | 
 |  | 
 | 		ret = sixaxis_set_operational_bt(hdev); | 
 | 		if (ret < 0) { | 
 | 			hid_err(hdev, "Failed to set controller into operational mode\n"); | 
 | 			goto err_stop; | 
 | 		} | 
 |  | 
 | 		sony_init_output_report(sc, sixaxis_send_output_report); | 
 | 	} else if (sc->quirks & SIXAXIS_CONTROLLER_USB) { | 
 | 		/* | 
 | 		 * The Sony Sixaxis does not handle HID Output Reports on the | 
 | 		 * Interrupt EP and the device only becomes active when the | 
 | 		 * PS button is pressed. See comment for Navigation controller | 
 | 		 * above for more details. | 
 | 		 */ | 
 | 		hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP; | 
 | 		hdev->quirks |= HID_QUIRK_SKIP_OUTPUT_REPORT_ID; | 
 | 		sc->defer_initialization = 1; | 
 |  | 
 | 		ret = sixaxis_set_operational_usb(hdev); | 
 | 		if (ret < 0) { | 
 | 			hid_err(hdev, "Failed to set controller into operational mode\n"); | 
 | 			goto err_stop; | 
 | 		} | 
 |  | 
 | 		ret = sony_register_sensors(sc); | 
 | 		if (ret) { | 
 | 			hid_err(sc->hdev, | 
 | 			"Unable to initialize motion sensors: %d\n", ret); | 
 | 			goto err_stop; | 
 | 		} | 
 |  | 
 | 		sony_init_output_report(sc, sixaxis_send_output_report); | 
 | 	} else if (sc->quirks & SIXAXIS_CONTROLLER_BT) { | 
 | 		/* | 
 | 		 * The Sixaxis wants output reports sent on the ctrl endpoint | 
 | 		 * when connected via Bluetooth. | 
 | 		 */ | 
 | 		hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP; | 
 |  | 
 | 		ret = sixaxis_set_operational_bt(hdev); | 
 | 		if (ret < 0) { | 
 | 			hid_err(hdev, "Failed to set controller into operational mode\n"); | 
 | 			goto err_stop; | 
 | 		} | 
 |  | 
 | 		ret = sony_register_sensors(sc); | 
 | 		if (ret) { | 
 | 			hid_err(sc->hdev, | 
 | 			"Unable to initialize motion sensors: %d\n", ret); | 
 | 			goto err_stop; | 
 | 		} | 
 |  | 
 | 		sony_init_output_report(sc, sixaxis_send_output_report); | 
 | 	} else if (sc->quirks & DUALSHOCK4_CONTROLLER) { | 
 | 		ret = dualshock4_get_calibration_data(sc); | 
 | 		if (ret < 0) { | 
 | 			hid_err(hdev, "Failed to get calibration data from Dualshock 4\n"); | 
 | 			goto err_stop; | 
 | 		} | 
 |  | 
 | 		ret = dualshock4_get_version_info(sc); | 
 | 		if (ret < 0) { | 
 | 			hid_err(sc->hdev, "Failed to get version data from Dualshock 4\n"); | 
 | 			goto err_stop; | 
 | 		} | 
 |  | 
 | 		ret = device_create_file(&sc->hdev->dev, &dev_attr_firmware_version); | 
 | 		if (ret) { | 
 | 			/* Make zero for cleanup reasons of sysfs entries. */ | 
 | 			sc->fw_version = 0; | 
 | 			sc->hw_version = 0; | 
 | 			hid_err(sc->hdev, "can't create sysfs firmware_version attribute err: %d\n", ret); | 
 | 			goto err_stop; | 
 | 		} | 
 |  | 
 | 		ret = device_create_file(&sc->hdev->dev, &dev_attr_hardware_version); | 
 | 		if (ret) { | 
 | 			sc->hw_version = 0; | 
 | 			hid_err(sc->hdev, "can't create sysfs hardware_version attribute err: %d\n", ret); | 
 | 			goto err_stop; | 
 | 		} | 
 |  | 
 | 		/* | 
 | 		 * The Dualshock 4 touchpad supports 2 touches and has a | 
 | 		 * resolution of 1920x942 (44.86 dots/mm). | 
 | 		 */ | 
 | 		ret = sony_register_touchpad(sc, 2, 1920, 942, 0, 0, 0); | 
 | 		if (ret) { | 
 | 			hid_err(sc->hdev, | 
 | 			"Unable to initialize multi-touch slots: %d\n", | 
 | 			ret); | 
 | 			goto err_stop; | 
 | 		} | 
 |  | 
 | 		ret = sony_register_sensors(sc); | 
 | 		if (ret) { | 
 | 			hid_err(sc->hdev, | 
 | 			"Unable to initialize motion sensors: %d\n", ret); | 
 | 			goto err_stop; | 
 | 		} | 
 |  | 
 | 		if (sc->quirks & DUALSHOCK4_CONTROLLER_BT) { | 
 | 			sc->ds4_bt_poll_interval = DS4_BT_DEFAULT_POLL_INTERVAL_MS; | 
 | 			ret = device_create_file(&sc->hdev->dev, &dev_attr_bt_poll_interval); | 
 | 			if (ret) | 
 | 				hid_warn(sc->hdev, | 
 | 				 "can't create sysfs bt_poll_interval attribute err: %d\n", | 
 | 				 ret); | 
 | 		} | 
 |  | 
 | 		if (sc->quirks & DUALSHOCK4_DONGLE) { | 
 | 			INIT_WORK(&sc->hotplug_worker, dualshock4_calibration_work); | 
 | 			sc->hotplug_worker_initialized = 1; | 
 | 			sc->ds4_dongle_state = DONGLE_DISCONNECTED; | 
 | 		} | 
 |  | 
 | 		sony_init_output_report(sc, dualshock4_send_output_report); | 
 | 	} else if (sc->quirks & NSG_MRXU_REMOTE) { | 
 | 		/* | 
 | 		 * The NSG-MRxU touchpad supports 2 touches and has a | 
 | 		 * resolution of 1667x1868 | 
 | 		 */ | 
 | 		ret = sony_register_touchpad(sc, 2, | 
 | 			NSG_MRXU_MAX_X, NSG_MRXU_MAX_Y, 15, 15, 1); | 
 | 		if (ret) { | 
 | 			hid_err(sc->hdev, | 
 | 			"Unable to initialize multi-touch slots: %d\n", | 
 | 			ret); | 
 | 			goto err_stop; | 
 | 		} | 
 |  | 
 | 	} else if (sc->quirks & MOTION_CONTROLLER) { | 
 | 		sony_init_output_report(sc, motion_send_output_report); | 
 | 	} else { | 
 | 		ret = 0; | 
 | 	} | 
 |  | 
 | 	if (sc->quirks & SONY_LED_SUPPORT) { | 
 | 		ret = sony_leds_init(sc); | 
 | 		if (ret < 0) | 
 | 			goto err_stop; | 
 | 	} | 
 |  | 
 | 	if (sc->quirks & SONY_BATTERY_SUPPORT) { | 
 | 		ret = sony_battery_probe(sc, append_dev_id); | 
 | 		if (ret < 0) | 
 | 			goto err_stop; | 
 |  | 
 | 		/* Open the device to receive reports with battery info */ | 
 | 		ret = hid_hw_open(hdev); | 
 | 		if (ret < 0) { | 
 | 			hid_err(hdev, "hw open failed\n"); | 
 | 			goto err_stop; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	if (sc->quirks & SONY_FF_SUPPORT) { | 
 | 		ret = sony_init_ff(sc); | 
 | 		if (ret < 0) | 
 | 			goto err_close; | 
 | 	} | 
 |  | 
 | 	return 0; | 
 | err_close: | 
 | 	hid_hw_close(hdev); | 
 | err_stop: | 
 | 	/* Piggy back on the default ds4_bt_ poll_interval to determine | 
 | 	 * if we need to remove the file as we don't know for sure if we | 
 | 	 * executed that logic. | 
 | 	 */ | 
 | 	if (sc->ds4_bt_poll_interval) | 
 | 		device_remove_file(&sc->hdev->dev, &dev_attr_bt_poll_interval); | 
 | 	if (sc->fw_version) | 
 | 		device_remove_file(&sc->hdev->dev, &dev_attr_firmware_version); | 
 | 	if (sc->hw_version) | 
 | 		device_remove_file(&sc->hdev->dev, &dev_attr_hardware_version); | 
 | 	sony_cancel_work_sync(sc); | 
 | 	sony_remove_dev_list(sc); | 
 | 	sony_release_device_id(sc); | 
 | 	hid_hw_stop(hdev); | 
 | 	return ret; | 
 | } | 
 |  | 
 | static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) | 
 | { | 
 | 	int ret; | 
 | 	unsigned long quirks = id->driver_data; | 
 | 	struct sony_sc *sc; | 
 | 	unsigned int connect_mask = HID_CONNECT_DEFAULT; | 
 |  | 
 | 	if (!strcmp(hdev->name, "FutureMax Dance Mat")) | 
 | 		quirks |= FUTUREMAX_DANCE_MAT; | 
 |  | 
 | 	if (!strcmp(hdev->name, "SHANWAN PS3 GamePad")) | 
 | 		quirks |= SHANWAN_GAMEPAD; | 
 |  | 
 | 	sc = devm_kzalloc(&hdev->dev, sizeof(*sc), GFP_KERNEL); | 
 | 	if (sc == NULL) { | 
 | 		hid_err(hdev, "can't alloc sony descriptor\n"); | 
 | 		return -ENOMEM; | 
 | 	} | 
 |  | 
 | 	spin_lock_init(&sc->lock); | 
 |  | 
 | 	sc->quirks = quirks; | 
 | 	hid_set_drvdata(hdev, sc); | 
 | 	sc->hdev = hdev; | 
 |  | 
 | 	ret = hid_parse(hdev); | 
 | 	if (ret) { | 
 | 		hid_err(hdev, "parse failed\n"); | 
 | 		return ret; | 
 | 	} | 
 |  | 
 | 	if (sc->quirks & VAIO_RDESC_CONSTANT) | 
 | 		connect_mask |= HID_CONNECT_HIDDEV_FORCE; | 
 | 	else if (sc->quirks & SIXAXIS_CONTROLLER) | 
 | 		connect_mask |= HID_CONNECT_HIDDEV_FORCE; | 
 |  | 
 | 	/* Patch the hw version on DS3/4 compatible devices, so applications can | 
 | 	 * distinguish between the default HID mappings and the mappings defined | 
 | 	 * by the Linux game controller spec. This is important for the SDL2 | 
 | 	 * library, which has a game controller database, which uses device ids | 
 | 	 * in combination with version as a key. | 
 | 	 */ | 
 | 	if (sc->quirks & (SIXAXIS_CONTROLLER | DUALSHOCK4_CONTROLLER)) | 
 | 		hdev->version |= 0x8000; | 
 |  | 
 | 	ret = hid_hw_start(hdev, connect_mask); | 
 | 	if (ret) { | 
 | 		hid_err(hdev, "hw start failed\n"); | 
 | 		return ret; | 
 | 	} | 
 |  | 
 | 	/* sony_input_configured can fail, but this doesn't result | 
 | 	 * in hid_hw_start failures (intended). Check whether | 
 | 	 * the HID layer claimed the device else fail. | 
 | 	 * We don't know the actual reason for the failure, most | 
 | 	 * likely it is due to EEXIST in case of double connection | 
 | 	 * of USB and Bluetooth, but could have been due to ENOMEM | 
 | 	 * or other reasons as well. | 
 | 	 */ | 
 | 	if (!(hdev->claimed & HID_CLAIMED_INPUT)) { | 
 | 		hid_err(hdev, "failed to claim input\n"); | 
 | 		return -ENODEV; | 
 | 	} | 
 |  | 
 | 	return ret; | 
 | } | 
 |  | 
 | static void sony_remove(struct hid_device *hdev) | 
 | { | 
 | 	struct sony_sc *sc = hid_get_drvdata(hdev); | 
 |  | 
 | 	hid_hw_close(hdev); | 
 |  | 
 | 	if (sc->quirks & DUALSHOCK4_CONTROLLER_BT) | 
 | 		device_remove_file(&sc->hdev->dev, &dev_attr_bt_poll_interval); | 
 |  | 
 | 	if (sc->fw_version) | 
 | 		device_remove_file(&sc->hdev->dev, &dev_attr_firmware_version); | 
 |  | 
 | 	if (sc->hw_version) | 
 | 		device_remove_file(&sc->hdev->dev, &dev_attr_hardware_version); | 
 |  | 
 | 	sony_cancel_work_sync(sc); | 
 |  | 
 | 	sony_remove_dev_list(sc); | 
 |  | 
 | 	sony_release_device_id(sc); | 
 |  | 
 | 	hid_hw_stop(hdev); | 
 | } | 
 |  | 
 | #ifdef CONFIG_PM | 
 |  | 
 | static int sony_suspend(struct hid_device *hdev, pm_message_t message) | 
 | { | 
 | #ifdef CONFIG_SONY_FF | 
 |  | 
 | 	/* On suspend stop any running force-feedback events */ | 
 | 	if (SONY_FF_SUPPORT) { | 
 | 		struct sony_sc *sc = hid_get_drvdata(hdev); | 
 |  | 
 | 		sc->left = sc->right = 0; | 
 | 		sony_send_output_report(sc); | 
 | 	} | 
 |  | 
 | #endif | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int sony_resume(struct hid_device *hdev) | 
 | { | 
 | 	struct sony_sc *sc = hid_get_drvdata(hdev); | 
 |  | 
 | 	/* | 
 | 	 * The Sixaxis and navigation controllers on USB need to be | 
 | 	 * reinitialized on resume or they won't behave properly. | 
 | 	 */ | 
 | 	if ((sc->quirks & SIXAXIS_CONTROLLER_USB) || | 
 | 		(sc->quirks & NAVIGATION_CONTROLLER_USB)) { | 
 | 		sixaxis_set_operational_usb(sc->hdev); | 
 | 		sc->defer_initialization = 1; | 
 | 	} | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | #endif | 
 |  | 
 | static const struct hid_device_id sony_devices[] = { | 
 | 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER), | 
 | 		.driver_data = SIXAXIS_CONTROLLER_USB }, | 
 | 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER), | 
 | 		.driver_data = NAVIGATION_CONTROLLER_USB }, | 
 | 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER), | 
 | 		.driver_data = NAVIGATION_CONTROLLER_BT }, | 
 | 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER), | 
 | 		.driver_data = MOTION_CONTROLLER_USB }, | 
 | 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER), | 
 | 		.driver_data = MOTION_CONTROLLER_BT }, | 
 | 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER), | 
 | 		.driver_data = SIXAXIS_CONTROLLER_BT }, | 
 | 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE), | 
 | 		.driver_data = VAIO_RDESC_CONSTANT }, | 
 | 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE), | 
 | 		.driver_data = VAIO_RDESC_CONSTANT }, | 
 | 	/* | 
 | 	 * Wired Buzz Controller. Reported as Sony Hub from its USB ID and as | 
 | 	 * Logitech joystick from the device descriptor. | 
 | 	 */ | 
 | 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER), | 
 | 		.driver_data = BUZZ_CONTROLLER }, | 
 | 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER), | 
 | 		.driver_data = BUZZ_CONTROLLER }, | 
 | 	/* PS3 BD Remote Control */ | 
 | 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE), | 
 | 		.driver_data = PS3REMOTE }, | 
 | 	/* Logitech Harmony Adapter for PS3 */ | 
 | 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3), | 
 | 		.driver_data = PS3REMOTE }, | 
 | 	/* SMK-Link PS3 BD Remote Control */ | 
 | 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE), | 
 | 		.driver_data = PS3REMOTE }, | 
 | 	/* Sony Dualshock 4 controllers for PS4 */ | 
 | 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER), | 
 | 		.driver_data = DUALSHOCK4_CONTROLLER_USB }, | 
 | 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER), | 
 | 		.driver_data = DUALSHOCK4_CONTROLLER_BT }, | 
 | 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2), | 
 | 		.driver_data = DUALSHOCK4_CONTROLLER_USB }, | 
 | 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2), | 
 | 		.driver_data = DUALSHOCK4_CONTROLLER_BT }, | 
 | 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_DONGLE), | 
 | 		.driver_data = DUALSHOCK4_DONGLE }, | 
 | 	/* Nyko Core Controller for PS3 */ | 
 | 	{ HID_USB_DEVICE(USB_VENDOR_ID_SINO_LITE, USB_DEVICE_ID_SINO_LITE_CONTROLLER), | 
 | 		.driver_data = SIXAXIS_CONTROLLER_USB | SINO_LITE_CONTROLLER }, | 
 | 	/* SMK-Link NSG-MR5U Remote Control */ | 
 | 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_NSG_MR5U_REMOTE), | 
 | 		.driver_data = NSG_MR5U_REMOTE_BT }, | 
 | 	/* SMK-Link NSG-MR7U Remote Control */ | 
 | 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_NSG_MR7U_REMOTE), | 
 | 		.driver_data = NSG_MR7U_REMOTE_BT }, | 
 | 	{ } | 
 | }; | 
 | MODULE_DEVICE_TABLE(hid, sony_devices); | 
 |  | 
 | static struct hid_driver sony_driver = { | 
 | 	.name             = "sony", | 
 | 	.id_table         = sony_devices, | 
 | 	.input_mapping    = sony_mapping, | 
 | 	.input_configured = sony_input_configured, | 
 | 	.probe            = sony_probe, | 
 | 	.remove           = sony_remove, | 
 | 	.report_fixup     = sony_report_fixup, | 
 | 	.raw_event        = sony_raw_event, | 
 |  | 
 | #ifdef CONFIG_PM | 
 | 	.suspend          = sony_suspend, | 
 | 	.resume	          = sony_resume, | 
 | 	.reset_resume     = sony_resume, | 
 | #endif | 
 | }; | 
 |  | 
 | static int __init sony_init(void) | 
 | { | 
 | 	dbg_hid("Sony:%s\n", __func__); | 
 |  | 
 | 	return hid_register_driver(&sony_driver); | 
 | } | 
 |  | 
 | static void __exit sony_exit(void) | 
 | { | 
 | 	dbg_hid("Sony:%s\n", __func__); | 
 |  | 
 | 	hid_unregister_driver(&sony_driver); | 
 | 	ida_destroy(&sony_device_id_allocator); | 
 | } | 
 | module_init(sony_init); | 
 | module_exit(sony_exit); | 
 |  | 
 | MODULE_LICENSE("GPL"); |