^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Apple "Magic" Wireless Mouse driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 2010 Michael Poole <mdpoole@troilus.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (c) 2010 Chase Douglas <chase.douglas@canonical.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/hid.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/input/mt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include "hid-ids.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) static bool emulate_3button = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) module_param(emulate_3button, bool, 0644);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) MODULE_PARM_DESC(emulate_3button, "Emulate a middle button");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) static int middle_button_start = -350;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static int middle_button_stop = +350;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) static bool emulate_scroll_wheel = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) module_param(emulate_scroll_wheel, bool, 0644);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) MODULE_PARM_DESC(emulate_scroll_wheel, "Emulate a scroll wheel");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) static unsigned int scroll_speed = 32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static int param_set_scroll_speed(const char *val,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) const struct kernel_param *kp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) unsigned long speed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) if (!val || kstrtoul(val, 0, &speed) || speed > 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) scroll_speed = speed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) module_param_call(scroll_speed, param_set_scroll_speed, param_get_uint, &scroll_speed, 0644);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) MODULE_PARM_DESC(scroll_speed, "Scroll speed, value from 0 (slow) to 63 (fast)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) static bool scroll_acceleration = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) module_param(scroll_acceleration, bool, 0644);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) MODULE_PARM_DESC(scroll_acceleration, "Accelerate sequential scroll events");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) static bool report_undeciphered;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) module_param(report_undeciphered, bool, 0644);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) MODULE_PARM_DESC(report_undeciphered, "Report undeciphered multi-touch state field using a MSC_RAW event");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define TRACKPAD_REPORT_ID 0x28
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define TRACKPAD2_USB_REPORT_ID 0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define TRACKPAD2_BT_REPORT_ID 0x31
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define MOUSE_REPORT_ID 0x29
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define DOUBLE_REPORT_ID 0xf7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) /* These definitions are not precise, but they're close enough. (Bits
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) * 0x03 seem to indicate the aspect ratio of the touch, bits 0x70 seem
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) * to be some kind of bit mask -- 0x20 may be a near-field reading,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) * and 0x40 is actual contact, and 0x10 may be a start/stop or change
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) * indication.)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define TOUCH_STATE_MASK 0xf0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define TOUCH_STATE_NONE 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define TOUCH_STATE_START 0x30
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define TOUCH_STATE_DRAG 0x40
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define SCROLL_ACCEL_DEFAULT 7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) /* Touch surface information. Dimension is in hundredths of a mm, min and max
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) * are in units. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) #define MOUSE_DIMENSION_X (float)9056
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) #define MOUSE_MIN_X -1100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #define MOUSE_MAX_X 1258
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) #define MOUSE_RES_X ((MOUSE_MAX_X - MOUSE_MIN_X) / (MOUSE_DIMENSION_X / 100))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) #define MOUSE_DIMENSION_Y (float)5152
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) #define MOUSE_MIN_Y -1589
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) #define MOUSE_MAX_Y 2047
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) #define MOUSE_RES_Y ((MOUSE_MAX_Y - MOUSE_MIN_Y) / (MOUSE_DIMENSION_Y / 100))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) #define TRACKPAD_DIMENSION_X (float)13000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) #define TRACKPAD_MIN_X -2909
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) #define TRACKPAD_MAX_X 3167
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) #define TRACKPAD_RES_X \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) ((TRACKPAD_MAX_X - TRACKPAD_MIN_X) / (TRACKPAD_DIMENSION_X / 100))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) #define TRACKPAD_DIMENSION_Y (float)11000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) #define TRACKPAD_MIN_Y -2456
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) #define TRACKPAD_MAX_Y 2565
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) #define TRACKPAD_RES_Y \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) ((TRACKPAD_MAX_Y - TRACKPAD_MIN_Y) / (TRACKPAD_DIMENSION_Y / 100))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) #define TRACKPAD2_DIMENSION_X (float)16000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) #define TRACKPAD2_MIN_X -3678
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) #define TRACKPAD2_MAX_X 3934
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) #define TRACKPAD2_RES_X \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) ((TRACKPAD2_MAX_X - TRACKPAD2_MIN_X) / (TRACKPAD2_DIMENSION_X / 100))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) #define TRACKPAD2_DIMENSION_Y (float)11490
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) #define TRACKPAD2_MIN_Y -2478
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) #define TRACKPAD2_MAX_Y 2587
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) #define TRACKPAD2_RES_Y \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) ((TRACKPAD2_MAX_Y - TRACKPAD2_MIN_Y) / (TRACKPAD2_DIMENSION_Y / 100))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) * struct magicmouse_sc - Tracks Magic Mouse-specific data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) * @input: Input device through which we report events.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) * @quirks: Currently unused.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) * @ntouches: Number of touches in most recent touch report.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) * @scroll_accel: Number of consecutive scroll motions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) * @scroll_jiffies: Time of last scroll motion.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) * @touches: Most recent data for a touch, indexed by tracking ID.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) * @tracking_ids: Mapping of current touch input data to @touches.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) struct magicmouse_sc {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) struct input_dev *input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) unsigned long quirks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) int ntouches;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) int scroll_accel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) unsigned long scroll_jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) short x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) short y;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) short scroll_x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) short scroll_y;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) u8 size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) } touches[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) int tracking_ids[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) static int magicmouse_firm_touch(struct magicmouse_sc *msc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) int touch = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) int ii;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) /* If there is only one "firm" touch, set touch to its
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) * tracking ID.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) for (ii = 0; ii < msc->ntouches; ii++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) int idx = msc->tracking_ids[ii];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) if (msc->touches[idx].size < 8) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) /* Ignore this touch. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) } else if (touch >= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) touch = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) touch = idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) return touch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) static void magicmouse_emit_buttons(struct magicmouse_sc *msc, int state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) int last_state = test_bit(BTN_LEFT, msc->input->key) << 0 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) test_bit(BTN_RIGHT, msc->input->key) << 1 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) test_bit(BTN_MIDDLE, msc->input->key) << 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) if (emulate_3button) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) int id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) /* If some button was pressed before, keep it held
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) * down. Otherwise, if there's exactly one firm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) * touch, use that to override the mouse's guess.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) if (state == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) /* The button was released. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) } else if (last_state != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) state = last_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) } else if ((id = magicmouse_firm_touch(msc)) >= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) int x = msc->touches[id].x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) if (x < middle_button_start)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) state = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) else if (x > middle_button_stop)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) state = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) state = 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) } /* else: we keep the mouse's guess */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) input_report_key(msc->input, BTN_MIDDLE, state & 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) input_report_key(msc->input, BTN_LEFT, state & 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) input_report_key(msc->input, BTN_RIGHT, state & 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) if (state != last_state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) msc->scroll_accel = SCROLL_ACCEL_DEFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) static void magicmouse_emit_touch(struct magicmouse_sc *msc, int raw_id, u8 *tdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) struct input_dev *input = msc->input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) int id, x, y, size, orientation, touch_major, touch_minor, state, down;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) int pressure = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) id = (tdata[6] << 2 | tdata[5] >> 6) & 0xf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) x = (tdata[1] << 28 | tdata[0] << 20) >> 20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) y = -((tdata[2] << 24 | tdata[1] << 16) >> 20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) size = tdata[5] & 0x3f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) orientation = (tdata[6] >> 2) - 32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) touch_major = tdata[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) touch_minor = tdata[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) state = tdata[7] & TOUCH_STATE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) down = state != TOUCH_STATE_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) } else if (input->id.product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) id = tdata[8] & 0xf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) x = (tdata[1] << 27 | tdata[0] << 19) >> 19;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) y = -((tdata[3] << 30 | tdata[2] << 22 | tdata[1] << 14) >> 19);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) size = tdata[6];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) orientation = (tdata[8] >> 5) - 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) touch_major = tdata[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) touch_minor = tdata[5];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) pressure = tdata[7];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) state = tdata[3] & 0xC0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) down = state == 0x80;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) id = (tdata[7] << 2 | tdata[6] >> 6) & 0xf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) x = (tdata[1] << 27 | tdata[0] << 19) >> 19;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) y = -((tdata[3] << 30 | tdata[2] << 22 | tdata[1] << 14) >> 19);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) size = tdata[6] & 0x3f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) orientation = (tdata[7] >> 2) - 32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) touch_major = tdata[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) touch_minor = tdata[5];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) state = tdata[8] & TOUCH_STATE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) down = state != TOUCH_STATE_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) /* Store tracking ID and other fields. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) msc->tracking_ids[raw_id] = id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) msc->touches[id].x = x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) msc->touches[id].y = y;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) msc->touches[id].size = size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) /* If requested, emulate a scroll wheel by detecting small
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) * vertical touch motions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) if (emulate_scroll_wheel && (input->id.product !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) USB_DEVICE_ID_APPLE_MAGICTRACKPAD2)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) unsigned long now = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) int step_x = msc->touches[id].scroll_x - x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) int step_y = msc->touches[id].scroll_y - y;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) /* Calculate and apply the scroll motion. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) switch (state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) case TOUCH_STATE_START:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) msc->touches[id].scroll_x = x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) msc->touches[id].scroll_y = y;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) /* Reset acceleration after half a second. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) if (scroll_acceleration && time_before(now,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) msc->scroll_jiffies + HZ / 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) msc->scroll_accel = max_t(int,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) msc->scroll_accel - 1, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) msc->scroll_accel = SCROLL_ACCEL_DEFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) case TOUCH_STATE_DRAG:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) step_x /= (64 - (int)scroll_speed) * msc->scroll_accel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) if (step_x != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) msc->touches[id].scroll_x -= step_x *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) (64 - scroll_speed) * msc->scroll_accel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) msc->scroll_jiffies = now;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) input_report_rel(input, REL_HWHEEL, -step_x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) step_y /= (64 - (int)scroll_speed) * msc->scroll_accel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) if (step_y != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) msc->touches[id].scroll_y -= step_y *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) (64 - scroll_speed) * msc->scroll_accel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) msc->scroll_jiffies = now;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) input_report_rel(input, REL_WHEEL, step_y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) if (down)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) msc->ntouches++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) input_mt_slot(input, id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) input_mt_report_slot_state(input, MT_TOOL_FINGER, down);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) /* Generate the input events for this touch. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) if (down) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) input_report_abs(input, ABS_MT_TOUCH_MAJOR, touch_major << 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) input_report_abs(input, ABS_MT_TOUCH_MINOR, touch_minor << 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) input_report_abs(input, ABS_MT_ORIENTATION, -orientation);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) input_report_abs(input, ABS_MT_POSITION_X, x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) input_report_abs(input, ABS_MT_POSITION_Y, y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) if (input->id.product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) input_report_abs(input, ABS_MT_PRESSURE, pressure);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) if (report_undeciphered) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) input_event(input, EV_MSC, MSC_RAW, tdata[7]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) else if (input->id.product !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) USB_DEVICE_ID_APPLE_MAGICTRACKPAD2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) input_event(input, EV_MSC, MSC_RAW, tdata[8]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) static int magicmouse_raw_event(struct hid_device *hdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) struct hid_report *report, u8 *data, int size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) struct magicmouse_sc *msc = hid_get_drvdata(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) struct input_dev *input = msc->input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) int x = 0, y = 0, ii, clicks = 0, npoints;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) switch (data[0]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) case TRACKPAD_REPORT_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) case TRACKPAD2_BT_REPORT_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) /* Expect four bytes of prefix, and N*9 bytes of touch data. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) if (size < 4 || ((size - 4) % 9) != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) npoints = (size - 4) / 9;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) if (npoints > 15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) hid_warn(hdev, "invalid size value (%d) for TRACKPAD_REPORT_ID\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) msc->ntouches = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) for (ii = 0; ii < npoints; ii++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) magicmouse_emit_touch(msc, ii, data + ii * 9 + 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) clicks = data[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) /* The following bits provide a device specific timestamp. They
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) * are unused here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) * ts = data[1] >> 6 | data[2] << 2 | data[3] << 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) case TRACKPAD2_USB_REPORT_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) /* Expect twelve bytes of prefix and N*9 bytes of touch data. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) if (size < 12 || ((size - 12) % 9) != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) npoints = (size - 12) / 9;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) if (npoints > 15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) hid_warn(hdev, "invalid size value (%d) for TRACKPAD2_USB_REPORT_ID\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) msc->ntouches = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) for (ii = 0; ii < npoints; ii++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) magicmouse_emit_touch(msc, ii, data + ii * 9 + 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) clicks = data[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) case MOUSE_REPORT_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) /* Expect six bytes of prefix, and N*8 bytes of touch data. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) if (size < 6 || ((size - 6) % 8) != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) npoints = (size - 6) / 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) if (npoints > 15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) hid_warn(hdev, "invalid size value (%d) for MOUSE_REPORT_ID\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) msc->ntouches = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) for (ii = 0; ii < npoints; ii++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) magicmouse_emit_touch(msc, ii, data + ii * 8 + 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) /* When emulating three-button mode, it is important
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) * to have the current touch information before
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) * generating a click event.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) x = (int)(((data[3] & 0x0c) << 28) | (data[1] << 22)) >> 22;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) y = (int)(((data[3] & 0x30) << 26) | (data[2] << 22)) >> 22;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) clicks = data[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) /* The following bits provide a device specific timestamp. They
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) * are unused here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) * ts = data[3] >> 6 | data[4] << 2 | data[5] << 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) case DOUBLE_REPORT_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) /* Sometimes the trackpad sends two touch reports in one
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) * packet.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) magicmouse_raw_event(hdev, report, data + 2, data[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) magicmouse_raw_event(hdev, report, data + 2 + data[1],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) size - 2 - data[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) magicmouse_emit_buttons(msc, clicks & 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) input_report_rel(input, REL_X, x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) input_report_rel(input, REL_Y, y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) } else if (input->id.product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) input_mt_sync_frame(input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) input_report_key(input, BTN_MOUSE, clicks & 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) input_report_key(input, BTN_MOUSE, clicks & 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) input_mt_report_pointer_emulation(input, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) input_sync(input);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) static int magicmouse_setup_input(struct input_dev *input, struct hid_device *hdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) int mt_flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) __set_bit(EV_KEY, input->evbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) __set_bit(BTN_LEFT, input->keybit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) __set_bit(BTN_RIGHT, input->keybit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) if (emulate_3button)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) __set_bit(BTN_MIDDLE, input->keybit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) __set_bit(EV_REL, input->evbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) __set_bit(REL_X, input->relbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) __set_bit(REL_Y, input->relbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) if (emulate_scroll_wheel) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) __set_bit(REL_WHEEL, input->relbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) __set_bit(REL_HWHEEL, input->relbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) } else if (input->id.product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) /* setting the device name to ensure the same driver settings
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) * get loaded, whether connected through bluetooth or USB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) input->name = "Apple Inc. Magic Trackpad 2";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) __clear_bit(EV_MSC, input->evbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) __clear_bit(BTN_0, input->keybit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) __clear_bit(BTN_RIGHT, input->keybit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) __clear_bit(BTN_MIDDLE, input->keybit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) __set_bit(BTN_MOUSE, input->keybit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) __set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) __set_bit(BTN_TOOL_FINGER, input->keybit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) mt_flags = INPUT_MT_POINTER | INPUT_MT_DROP_UNUSED |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) INPUT_MT_TRACK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) /* input->keybit is initialized with incorrect button info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) * for Magic Trackpad. There really is only one physical
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) * button (BTN_LEFT == BTN_MOUSE). Make sure we don't
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) * advertise buttons that don't exist...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) __clear_bit(BTN_RIGHT, input->keybit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) __clear_bit(BTN_MIDDLE, input->keybit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) __set_bit(BTN_MOUSE, input->keybit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) __set_bit(BTN_TOOL_FINGER, input->keybit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) __set_bit(BTN_TOOL_DOUBLETAP, input->keybit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) __set_bit(BTN_TOOL_TRIPLETAP, input->keybit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) __set_bit(BTN_TOOL_QUADTAP, input->keybit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) __set_bit(BTN_TOOL_QUINTTAP, input->keybit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) __set_bit(BTN_TOUCH, input->keybit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) __set_bit(INPUT_PROP_POINTER, input->propbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) __set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) __set_bit(EV_ABS, input->evbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) error = input_mt_init_slots(input, 16, mt_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, 255 << 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) 4, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) input_set_abs_params(input, ABS_MT_TOUCH_MINOR, 0, 255 << 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) 4, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) /* Note: Touch Y position from the device is inverted relative
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) * to how pointer motion is reported (and relative to how USB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) * HID recommends the coordinates work). This driver keeps
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) * the origin at the same position, and just uses the additive
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) * inverse of the reported Y.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) input_set_abs_params(input, ABS_MT_ORIENTATION, -31, 32, 1, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) input_set_abs_params(input, ABS_MT_POSITION_X,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) MOUSE_MIN_X, MOUSE_MAX_X, 4, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) input_set_abs_params(input, ABS_MT_POSITION_Y,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) MOUSE_MIN_Y, MOUSE_MAX_Y, 4, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) input_abs_set_res(input, ABS_MT_POSITION_X,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) MOUSE_RES_X);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) input_abs_set_res(input, ABS_MT_POSITION_Y,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) MOUSE_RES_Y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) } else if (input->id.product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) input_set_abs_params(input, ABS_MT_PRESSURE, 0, 253, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) input_set_abs_params(input, ABS_PRESSURE, 0, 253, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) input_set_abs_params(input, ABS_MT_ORIENTATION, -3, 4, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) input_set_abs_params(input, ABS_X, TRACKPAD2_MIN_X,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) TRACKPAD2_MAX_X, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) input_set_abs_params(input, ABS_Y, TRACKPAD2_MIN_Y,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) TRACKPAD2_MAX_Y, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) input_set_abs_params(input, ABS_MT_POSITION_X,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) TRACKPAD2_MIN_X, TRACKPAD2_MAX_X, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) input_set_abs_params(input, ABS_MT_POSITION_Y,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) TRACKPAD2_MIN_Y, TRACKPAD2_MAX_Y, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) input_abs_set_res(input, ABS_X, TRACKPAD2_RES_X);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) input_abs_set_res(input, ABS_Y, TRACKPAD2_RES_Y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) input_abs_set_res(input, ABS_MT_POSITION_X, TRACKPAD2_RES_X);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) input_abs_set_res(input, ABS_MT_POSITION_Y, TRACKPAD2_RES_Y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) input_set_abs_params(input, ABS_MT_ORIENTATION, -31, 32, 1, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) input_set_abs_params(input, ABS_X, TRACKPAD_MIN_X,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) TRACKPAD_MAX_X, 4, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) input_set_abs_params(input, ABS_Y, TRACKPAD_MIN_Y,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) TRACKPAD_MAX_Y, 4, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) input_set_abs_params(input, ABS_MT_POSITION_X,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) TRACKPAD_MIN_X, TRACKPAD_MAX_X, 4, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) input_set_abs_params(input, ABS_MT_POSITION_Y,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) TRACKPAD_MIN_Y, TRACKPAD_MAX_Y, 4, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) input_abs_set_res(input, ABS_X, TRACKPAD_RES_X);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) input_abs_set_res(input, ABS_Y, TRACKPAD_RES_Y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) input_abs_set_res(input, ABS_MT_POSITION_X,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) TRACKPAD_RES_X);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) input_abs_set_res(input, ABS_MT_POSITION_Y,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) TRACKPAD_RES_Y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) input_set_events_per_packet(input, 60);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) if (report_undeciphered &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) input->id.product != USB_DEVICE_ID_APPLE_MAGICTRACKPAD2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) __set_bit(EV_MSC, input->evbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) __set_bit(MSC_RAW, input->mscbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) * hid-input may mark device as using autorepeat, but neither
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) * the trackpad, nor the mouse actually want it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) __clear_bit(EV_REP, input->evbit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) static int magicmouse_input_mapping(struct hid_device *hdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) struct hid_input *hi, struct hid_field *field,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) struct hid_usage *usage, unsigned long **bit, int *max)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) struct magicmouse_sc *msc = hid_get_drvdata(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) if (!msc->input)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) msc->input = hi->input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) /* Magic Trackpad does not give relative data after switching to MT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) if ((hi->input->id.product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) hi->input->id.product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) field->flags & HID_MAIN_ITEM_RELATIVE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) static int magicmouse_input_configured(struct hid_device *hdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) struct hid_input *hi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) struct magicmouse_sc *msc = hid_get_drvdata(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) ret = magicmouse_setup_input(msc->input, hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) hid_err(hdev, "magicmouse setup input failed (%d)\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) /* clean msc->input to notify probe() of the failure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) msc->input = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) static int magicmouse_probe(struct hid_device *hdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) const struct hid_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) const u8 *feature;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) const u8 feature_mt[] = { 0xD7, 0x01 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) const u8 feature_mt_trackpad2_usb[] = { 0x02, 0x01 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) const u8 feature_mt_trackpad2_bt[] = { 0xF1, 0x02, 0x01 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) u8 *buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) struct magicmouse_sc *msc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) struct hid_report *report;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) int feature_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) if (id->vendor == USB_VENDOR_ID_APPLE &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) id->product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) hdev->type != HID_TYPE_USBMOUSE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) msc = devm_kzalloc(&hdev->dev, sizeof(*msc), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) if (msc == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) hid_err(hdev, "can't alloc magicmouse descriptor\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) msc->scroll_accel = SCROLL_ACCEL_DEFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) msc->quirks = id->driver_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) hid_set_drvdata(hdev, msc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) ret = hid_parse(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) hid_err(hdev, "magicmouse hid parse failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) hid_err(hdev, "magicmouse hw start failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) if (!msc->input) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) hid_err(hdev, "magicmouse input not registered\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) goto err_stop_hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) if (id->product == USB_DEVICE_ID_APPLE_MAGICMOUSE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) report = hid_register_report(hdev, HID_INPUT_REPORT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) MOUSE_REPORT_ID, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) else if (id->product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) if (id->vendor == BT_VENDOR_ID_APPLE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) report = hid_register_report(hdev, HID_INPUT_REPORT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) TRACKPAD2_BT_REPORT_ID, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) else /* USB_VENDOR_ID_APPLE */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) report = hid_register_report(hdev, HID_INPUT_REPORT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) TRACKPAD2_USB_REPORT_ID, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) report = hid_register_report(hdev, HID_INPUT_REPORT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) TRACKPAD_REPORT_ID, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) report = hid_register_report(hdev, HID_INPUT_REPORT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) DOUBLE_REPORT_ID, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) if (!report) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) hid_err(hdev, "unable to register touch report\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) goto err_stop_hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) report->size = 6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) if (id->product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) if (id->vendor == BT_VENDOR_ID_APPLE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) feature_size = sizeof(feature_mt_trackpad2_bt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) feature = feature_mt_trackpad2_bt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) } else { /* USB_VENDOR_ID_APPLE */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) feature_size = sizeof(feature_mt_trackpad2_usb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) feature = feature_mt_trackpad2_usb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) feature_size = sizeof(feature_mt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) feature = feature_mt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) buf = kmemdup(feature, feature_size, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) if (!buf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) goto err_stop_hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) * Some devices repond with 'invalid report id' when feature
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) * report switching it into multitouch mode is sent to it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) * This results in -EIO from the _raw low-level transport callback,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) * but there seems to be no other way of switching the mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) * Thus the super-ugly hacky success check below.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) ret = hid_hw_raw_request(hdev, buf[0], buf, feature_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) kfree(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) if (ret != -EIO && ret != feature_size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) hid_err(hdev, "unable to request touch data (%d)\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) goto err_stop_hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) err_stop_hw:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) hid_hw_stop(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) static const struct hid_device_id magic_mice[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) USB_DEVICE_ID_APPLE_MAGICMOUSE), .driver_data = 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) USB_DEVICE_ID_APPLE_MAGICTRACKPAD), .driver_data = 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) { HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) USB_DEVICE_ID_APPLE_MAGICTRACKPAD2), .driver_data = 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) { HID_USB_DEVICE(USB_VENDOR_ID_APPLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) USB_DEVICE_ID_APPLE_MAGICTRACKPAD2), .driver_data = 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) MODULE_DEVICE_TABLE(hid, magic_mice);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) static struct hid_driver magicmouse_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) .name = "magicmouse",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) .id_table = magic_mice,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) .probe = magicmouse_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) .raw_event = magicmouse_raw_event,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) .input_mapping = magicmouse_input_mapping,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) .input_configured = magicmouse_input_configured,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) module_hid_driver(magicmouse_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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