/* * drivers/macintosh/adbhid.c * * ADB HID driver for Power Macintosh computers. * * Adapted from drivers/macintosh/mac_keyb.c by Franz Sirl. * drivers/macintosh/mac_keyb.c was Copyright (C) 1996 Paul Mackerras * with considerable contributions from Ben Herrenschmidt and others. * * Copyright (C) 2000 Franz Sirl. * * Adapted to ADB changes and support for more devices by * Benjamin Herrenschmidt. Adapted from code in MkLinux * and reworked. * * Supported devices: * * - Standard 1 button mouse * - All standard Apple Extended protocol (handler ID 4) * - mouseman and trackman mice & trackballs * - PowerBook Trackpad (default setup: enable tapping) * - MicroSpeed mouse & trackball (needs testing) * - CH Products Trackball Pro (needs testing) * - Contour Design (Contour Mouse) * - Hunter digital (NoHandsMouse) * - Kensignton TurboMouse 5 (needs testing) * - Mouse Systems A3 mice and trackballs * - MacAlly 2-buttons mouse (needs testing) * * To do: * * Improve Kensington support. * Split mouse/kbd * Move to syfs */ #include #include #include #include #include #include #include #include #include #ifdef CONFIG_PPC_PMAC #include #include #endif MODULE_AUTHOR("Franz Sirl "); static int restore_capslock_events; module_param(restore_capslock_events, int, 0644); MODULE_PARM_DESC(restore_capslock_events, "Produce keypress events for capslock on both keyup and keydown."); #define KEYB_KEYREG 0 /* register # for key up/down data */ #define KEYB_LEDREG 2 /* register # for leds on ADB keyboard */ #define MOUSE_DATAREG 0 /* reg# for movement/button codes from mouse */ static int adb_message_handler(struct notifier_block *, unsigned long, void *); static struct notifier_block adbhid_adb_notifier = { .notifier_call = adb_message_handler, }; /* Some special keys */ #define ADB_KEY_DEL 0x33 #define ADB_KEY_CMD 0x37 #define ADB_KEY_CAPSLOCK 0x39 #define ADB_KEY_FN 0x3f #define ADB_KEY_FWDEL 0x75 #define ADB_KEY_POWER_OLD 0x7e #define ADB_KEY_POWER 0x7f static const u16 adb_to_linux_keycodes[128] = { /* 0x00 */ KEY_A, /* 30 */ /* 0x01 */ KEY_S, /* 31 */ /* 0x02 */ KEY_D, /* 32 */ /* 0x03 */ KEY_F, /* 33 */ /* 0x04 */ KEY_H, /* 35 */ /* 0x05 */ KEY_G, /* 34 */ /* 0x06 */ KEY_Z, /* 44 */ /* 0x07 */ KEY_X, /* 45 */ /* 0x08 */ KEY_C, /* 46 */ /* 0x09 */ KEY_V, /* 47 */ /* 0x0a */ KEY_102ND, /* 86 */ /* 0x0b */ KEY_B, /* 48 */ /* 0x0c */ KEY_Q, /* 16 */ /* 0x0d */ KEY_W, /* 17 */ /* 0x0e */ KEY_E, /* 18 */ /* 0x0f */ KEY_R, /* 19 */ /* 0x10 */ KEY_Y, /* 21 */ /* 0x11 */ KEY_T, /* 20 */ /* 0x12 */ KEY_1, /* 2 */ /* 0x13 */ KEY_2, /* 3 */ /* 0x14 */ KEY_3, /* 4 */ /* 0x15 */ KEY_4, /* 5 */ /* 0x16 */ KEY_6, /* 7 */ /* 0x17 */ KEY_5, /* 6 */ /* 0x18 */ KEY_EQUAL, /* 13 */ /* 0x19 */ KEY_9, /* 10 */ /* 0x1a */ KEY_7, /* 8 */ /* 0x1b */ KEY_MINUS, /* 12 */ /* 0x1c */ KEY_8, /* 9 */ /* 0x1d */ KEY_0, /* 11 */ /* 0x1e */ KEY_RIGHTBRACE, /* 27 */ /* 0x1f */ KEY_O, /* 24 */ /* 0x20 */ KEY_U, /* 22 */ /* 0x21 */ KEY_LEFTBRACE, /* 26 */ /* 0x22 */ KEY_I, /* 23 */ /* 0x23 */ KEY_P, /* 25 */ /* 0x24 */ KEY_ENTER, /* 28 */ /* 0x25 */ KEY_L, /* 38 */ /* 0x26 */ KEY_J, /* 36 */ /* 0x27 */ KEY_APOSTROPHE, /* 40 */ /* 0x28 */ KEY_K, /* 37 */ /* 0x29 */ KEY_SEMICOLON, /* 39 */ /* 0x2a */ KEY_BACKSLASH, /* 43 */ /* 0x2b */ KEY_COMMA, /* 51 */ /* 0x2c */ KEY_SLASH, /* 53 */ /* 0x2d */ KEY_N, /* 49 */ /* 0x2e */ KEY_M, /* 50 */ /* 0x2f */ KEY_DOT, /* 52 */ /* 0x30 */ KEY_TAB, /* 15 */ /* 0x31 */ KEY_SPACE, /* 57 */ /* 0x32 */ KEY_GRAVE, /* 41 */ /* 0x33 */ KEY_BACKSPACE, /* 14 */ /* 0x34 */ KEY_KPENTER, /* 96 */ /* 0x35 */ KEY_ESC, /* 1 */ /* 0x36 */ KEY_LEFTCTRL, /* 29 */ /* 0x37 */ KEY_LEFTMETA, /* 125 */ /* 0x38 */ KEY_LEFTSHIFT, /* 42 */ /* 0x39 */ KEY_CAPSLOCK, /* 58 */ /* 0x3a */ KEY_LEFTALT, /* 56 */ /* 0x3b */ KEY_LEFT, /* 105 */ /* 0x3c */ KEY_RIGHT, /* 106 */ /* 0x3d */ KEY_DOWN, /* 108 */ /* 0x3e */ KEY_UP, /* 103 */ /* 0x3f */ KEY_FN, /* 0x1d0 */ /* 0x40 */ 0, /* 0x41 */ KEY_KPDOT, /* 83 */ /* 0x42 */ 0, /* 0x43 */ KEY_KPASTERISK, /* 55 */ /* 0x44 */ 0, /* 0x45 */ KEY_KPPLUS, /* 78 */ /* 0x46 */ 0, /* 0x47 */ KEY_NUMLOCK, /* 69 */ /* 0x48 */ 0, /* 0x49 */ 0, /* 0x4a */ 0, /* 0x4b */ KEY_KPSLASH, /* 98 */ /* 0x4c */ KEY_KPENTER, /* 96 */ /* 0x4d */ 0, /* 0x4e */ KEY_KPMINUS, /* 74 */ /* 0x4f */ 0, /* 0x50 */ 0, /* 0x51 */ KEY_KPEQUAL, /* 117 */ /* 0x52 */ KEY_KP0, /* 82 */ /* 0x53 */ KEY_KP1, /* 79 */ /* 0x54 */ KEY_KP2, /* 80 */ /* 0x55 */ KEY_KP3, /* 81 */ /* 0x56 */ KEY_KP4, /* 75 */ /* 0x57 */ KEY_KP5, /* 76 */ /* 0x58 */ KEY_KP6, /* 77 */ /* 0x59 */ KEY_KP7, /* 71 */ /* 0x5a */ 0, /* 0x5b */ KEY_KP8, /* 72 */ /* 0x5c */ KEY_KP9, /* 73 */ /* 0x5d */ KEY_YEN, /* 124 */ /* 0x5e */ KEY_RO, /* 89 */ /* 0x5f */ KEY_KPCOMMA, /* 121 */ /* 0x60 */ KEY_F5, /* 63 */ /* 0x61 */ KEY_F6, /* 64 */ /* 0x62 */ KEY_F7, /* 65 */ /* 0x63 */ KEY_F3, /* 61 */ /* 0x64 */ KEY_F8, /* 66 */ /* 0x65 */ KEY_F9, /* 67 */ /* 0x66 */ KEY_HANJA, /* 123 */ /* 0x67 */ KEY_F11, /* 87 */ /* 0x68 */ KEY_HANGEUL, /* 122 */ /* 0x69 */ KEY_SYSRQ, /* 99 */ /* 0x6a */ 0, /* 0x6b */ KEY_SCROLLLOCK, /* 70 */ /* 0x6c */ 0, /* 0x6d */ KEY_F10, /* 68 */ /* 0x6e */ KEY_COMPOSE, /* 127 */ /* 0x6f */ KEY_F12, /* 88 */ /* 0x70 */ 0, /* 0x71 */ KEY_PAUSE, /* 119 */ /* 0x72 */ KEY_INSERT, /* 110 */ /* 0x73 */ KEY_HOME, /* 102 */ /* 0x74 */ KEY_PAGEUP, /* 104 */ /* 0x75 */ KEY_DELETE, /* 111 */ /* 0x76 */ KEY_F4, /* 62 */ /* 0x77 */ KEY_END, /* 107 */ /* 0x78 */ KEY_F2, /* 60 */ /* 0x79 */ KEY_PAGEDOWN, /* 109 */ /* 0x7a */ KEY_F1, /* 59 */ /* 0x7b */ KEY_RIGHTSHIFT, /* 54 */ /* 0x7c */ KEY_RIGHTALT, /* 100 */ /* 0x7d */ KEY_RIGHTCTRL, /* 97 */ /* 0x7e */ KEY_RIGHTMETA, /* 126 */ /* 0x7f */ KEY_POWER, /* 116 */ }; struct adbhid { struct input_dev *input; int id; int default_id; int original_handler_id; int current_handler_id; int mouse_kind; u16 *keycode; char name[64]; char phys[32]; int flags; }; #define FLAG_FN_KEY_PRESSED 0x00000001 #define FLAG_POWER_FROM_FN 0x00000002 #define FLAG_EMU_FWDEL_DOWN 0x00000004 #define FLAG_CAPSLOCK_TRANSLATE 0x00000008 #define FLAG_CAPSLOCK_DOWN 0x00000010 #define FLAG_CAPSLOCK_IGNORE_NEXT 0x00000020 #define FLAG_POWER_KEY_PRESSED 0x00000040 static struct adbhid *adbhid[16]; static void adbhid_probe(void); static void adbhid_input_keycode(int, int, int); static void init_trackpad(int id); static void init_trackball(int id); static void init_turbomouse(int id); static void init_microspeed(int id); static void init_ms_a3(int id); static struct adb_ids keyboard_ids; static struct adb_ids mouse_ids; static struct adb_ids buttons_ids; /* Kind of keyboard, see Apple technote 1152 */ #define ADB_KEYBOARD_UNKNOWN 0 #define ADB_KEYBOARD_ANSI 0x0100 #define ADB_KEYBOARD_ISO 0x0200 #define ADB_KEYBOARD_JIS 0x0300 /* Kind of mouse */ #define ADBMOUSE_STANDARD_100 0 /* Standard 100cpi mouse (handler 1) */ #define ADBMOUSE_STANDARD_200 1 /* Standard 200cpi mouse (handler 2) */ #define ADBMOUSE_EXTENDED 2 /* Apple Extended mouse (handler 4) */ #define ADBMOUSE_TRACKBALL 3 /* TrackBall (handler 4) */ #define ADBMOUSE_TRACKPAD 4 /* Apple's PowerBook trackpad (handler 4) */ #define ADBMOUSE_TURBOMOUSE5 5 /* Turbomouse 5 (previously req. mousehack) */ #define ADBMOUSE_MICROSPEED 6 /* Microspeed mouse (&trackball ?), MacPoint */ #define ADBMOUSE_TRACKBALLPRO 7 /* Trackball Pro (special buttons) */ #define ADBMOUSE_MS_A3 8 /* Mouse systems A3 trackball (handler 3) */ #define ADBMOUSE_MACALLY2 9 /* MacAlly 2-button mouse */ static void adbhid_keyboard_input(unsigned char *data, int nb, int apoll) { int id = (data[0] >> 4) & 0x0f; if (!adbhid[id]) { printk(KERN_ERR "ADB HID on ID %d not yet registered, packet %#02x, %#02x, %#02x, %#02x\n", id, data[0], data[1], data[2], data[3]); return; } /* first check this is from register 0 */ if (nb != 3 || (data[0] & 3) != KEYB_KEYREG) return; /* ignore it */ adbhid_input_keycode(id, data[1], 0); if (!(data[2] == 0xff || (data[2] == 0x7f && data[1] == 0x7f))) adbhid_input_keycode(id, data[2], 0); } static void adbhid_input_keycode(int id, int scancode, int repeat) { struct adbhid *ahid = adbhid[id]; int keycode, up_flag, key; keycode = scancode & 0x7f; up_flag = scancode & 0x80; if (restore_capslock_events) { if (keycode == ADB_KEY_CAPSLOCK && !up_flag) { /* Key pressed, turning on the CapsLock LED. * The next 0xff will be interpreted as a release. */ if (ahid->flags & FLAG_CAPSLOCK_IGNORE_NEXT) { /* Throw away this key event if it happens * just after resume. */ ahid->flags &= ~FLAG_CAPSLOCK_IGNORE_NEXT; return; } else { ahid->flags |= FLAG_CAPSLOCK_TRANSLATE | FLAG_CAPSLOCK_DOWN; } } else if (scancode == 0xff && !(ahid->flags & FLAG_POWER_KEY_PRESSED)) { /* Scancode 0xff usually signifies that the capslock * key was either pressed or released, or that the * power button was released. */ if (ahid->flags & FLAG_CAPSLOCK_TRANSLATE) { keycode = ADB_KEY_CAPSLOCK; if (ahid->flags & FLAG_CAPSLOCK_DOWN) { /* Key released */ up_flag = 1; ahid->flags &= ~FLAG_CAPSLOCK_DOWN; } else { /* Key pressed */ up_flag = 0; ahid->flags &= ~FLAG_CAPSLOCK_TRANSLATE; } } else { printk(KERN_INFO "Spurious caps lock event " "(scancode 0xff).\n"); } } } switch (keycode) { case ADB_KEY_CAPSLOCK: if (!restore_capslock_events) { /* Generate down/up events for CapsLock everytime. */ input_report_key(ahid->input, KEY_CAPSLOCK, 1); input_sync(ahid->input); input_report_key(ahid->input, KEY_CAPSLOCK, 0); input_sync(ahid->input); return; } break; #ifdef CONFIG_PPC_PMAC case ADB_KEY_POWER_OLD: /* Power key on PBook 3400 needs remapping */ switch(pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL, PMAC_MB_INFO_MODEL, 0)) { case PMAC_TYPE_COMET: case PMAC_TYPE_HOOPER: case PMAC_TYPE_KANGA: keycode = ADB_KEY_POWER; } break; case ADB_KEY_POWER: /* Keep track of the power key state */ if (up_flag) ahid->flags &= ~FLAG_POWER_KEY_PRESSED; else ahid->flags |= FLAG_POWER_KEY_PRESSED; /* Fn + Command will produce a bogus "power" keycode */ if (ahid->flags & FLAG_FN_KEY_PRESSED) { keycode = ADB_KEY_CMD; if (up_flag) ahid->flags &= ~FLAG_POWER_FROM_FN; else ahid->flags |= FLAG_POWER_FROM_FN; } else if (ahid->flags & FLAG_POWER_FROM_FN) { keycode = ADB_KEY_CMD; ahid->flags &= ~FLAG_POWER_FROM_FN; } break; case ADB_KEY_FN: /* Keep track of the Fn key state */ if (up_flag) { ahid->flags &= ~FLAG_FN_KEY_PRESSED; /* Emulate Fn+delete = forward delete */ if (ahid->flags & FLAG_EMU_FWDEL_DOWN) { ahid->flags &= ~FLAG_EMU_FWDEL_DOWN; keycode = ADB_KEY_FWDEL; break; } } else ahid->flags |= FLAG_FN_KEY_PRESSED; break; case ADB_KEY_DEL: /* Emulate Fn+delete = forward delete */ if (ahid->flags & FLAG_FN_KEY_PRESSED) { keycode = ADB_KEY_FWDEL; if (up_flag) ahid->flags &= ~FLAG_EMU_FWDEL_DOWN; else ahid->flags |= FLAG_EMU_FWDEL_DOWN; } break; #endif /* CONFIG_PPC_PMAC */ } key = adbhid[id]->keycode[keycode]; if (key) { input_report_key(adbhid[id]->input, key, !up_flag); input_sync(adbhid[id]->input); } else printk(KERN_INFO "Unhandled ADB key (scancode %#02x) %s.\n", keycode, up_flag ? "released" : "pressed"); } static void adbhid_mouse_input(unsigned char *data, int nb, int autopoll) { int id = (data[0] >> 4) & 0x0f; if (!adbhid[id]) { printk(KERN_ERR "ADB HID on ID %d not yet registered\n", id); return; } /* Handler 1 -- 100cpi original Apple mouse protocol. Handler 2 -- 200cpi original Apple mouse protocol. For Apple's standard one-button mouse protocol the data array will contain the following values: BITS COMMENTS data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd. data[1] = bxxx xxxx First button and x-axis motion. data[2] = byyy yyyy Second button and y-axis motion. Handler 4 -- Apple Extended mouse protocol. For Apple's 3-button mouse protocol the data array will contain the following values: BITS COMMENTS data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd. data[1] = bxxx xxxx Left button and x-axis motion. data[2] = byyy yyyy Second button and y-axis motion. data[3] = byyy bxxx Third button and fourth button. Y is additional high bits of y-axis motion. XY is additional high bits of x-axis motion. MacAlly 2-button mouse protocol. For MacAlly 2-button mouse protocol the data array will contain the following values: BITS COMMENTS data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd. data[1] = bxxx xxxx Left button and x-axis motion. data[2] = byyy yyyy Right button and y-axis motion. data[3] = ???? ???? unknown data[4] = ???? ???? unknown */ /* If it's a trackpad, we alias the second button to the first. NOTE: Apple sends an ADB flush command to the trackpad when the first (the real) button is released. We could do this here using async flush requests. */ switch (adbhid[id]->mouse_kind) { case ADBMOUSE_TRACKPAD: data[1] = (data[1] & 0x7f) | ((data[1] & data[2]) & 0x80); data[2] = data[2] | 0x80; break; case ADBMOUSE_MICROSPEED: data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7); data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6); data[3] = (data[3] & 0x77) | ((data[3] & 0x04) << 5) | (data[3] & 0x08); break; case ADBMOUSE_TRACKBALLPRO: data[1] = (data[1] & 0x7f) | (((data[3] & 0x04) << 5) & ((data[3] & 0x08) << 4)); data[2] = (data[2] & 0x7f) | ((data[3] & 0x01) << 7); data[3] = (data[3] & 0x77) | ((data[3] & 0x02) << 6); break; case ADBMOUSE_MS_A3: data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7); data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6); data[3] = ((data[3] & 0x04) << 5); break; case ADBMOUSE_MACALLY2: data[3] = (data[2] & 0x80) ? 0x80 : 0x00; data[2] |= 0x80; /* Right button is mapped as button 3 */ nb=4; break; } input_report_key(adbhid[id]->input, BTN_LEFT, !((data[1] >> 7) & 1)); input_report_key(adbhid[id]->input, BTN_MIDDLE, !((data[2] >> 7) & 1)); if (nb >= 4 && adbhid[id]->mouse_kind != ADBMOUSE_TRACKPAD) input_report_key(adbhid[id]->input, BTN_RIGHT, !((data[3] >> 7) & 1)); input_report_rel(adbhid[id]->input, REL_X, ((data[2]&0x7f) < 64 ? (data[2]&0x7f) : (data[2]&0x7f)-128 )); input_report_rel(adbhid[id]->input, REL_Y, ((data[1]&0x7f) < 64 ? (data[1]&0x7f) : (data[1]&0x7f)-128 )); input_sync(adbhid[id]->input); } static void adbhid_buttons_input(unsigned char *data, int nb, int autopoll) { int id = (data[0] >> 4) & 0x0f; if (!adbhid[id]) { printk(KERN_ERR "ADB HID on ID %d not yet registered\n", id); return; } switch (adbhid[id]->original_handler_id) { default: case 0x02: /* Adjustable keyboard button device */ { int down = (data[1] == (data[1] & 0xf)); switch (data[1] & 0x0f) { case 0x0: /* microphone */ input_report_key(adbhid[id]->input, KEY_SOUND, down); break; case 0x1: /* mute */ input_report_key(adbhid[id]->input, KEY_MUTE, down); break; case 0x2: /* volume decrease */ input_report_key(adbhid[id]->input, KEY_VOLUMEDOWN, down); break; case 0x3: /* volume increase */ input_report_key(adbhid[id]->input, KEY_VOLUMEUP, down); break; default: printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", data[0], data[1], data[2], data[3]); break; } } break; case 0x1f: /* Powerbook button device */ { int down = (data[1] == (data[1] & 0xf)); /* * XXX: Where is the contrast control for the passive? * -- Cort */ switch (data[1] & 0x0f) { case 0x8: /* mute */ input_report_key(adbhid[id]->input, KEY_MUTE, down); break; case 0x7: /* volume decrease */ input_report_key(adbhid[id]->input, KEY_VOLUMEDOWN, down); break; case 0x6: /* volume increase */ input_report_key(adbhid[id]->input, KEY_VOLUMEUP, down); break; case 0xb: /* eject */ input_report_key(adbhid[id]->input, KEY_EJECTCD, down); break; case 0xa: /* brightness decrease */ #ifdef CONFIG_PMAC_BACKLIGHT if (down) pmac_backlight_key_down(); #endif input_report_key(adbhid[id]->input, KEY_BRIGHTNESSDOWN, down); break; case 0x9: /* brightness increase */ #ifdef CONFIG_PMAC_BACKLIGHT if (down) pmac_backlight_key_up(); #endif input_report_key(adbhid[id]->input, KEY_BRIGHTNESSUP, down); break; case 0xc: /* videomode switch */ input_report_key(adbhid[id]->input, KEY_SWITCHVIDEOMODE, down); break; case 0xd: /* keyboard illumination toggle */ input_report_key(adbhid[id]->input, KEY_KBDILLUMTOGGLE, down); break; case 0xe: /* keyboard illumination decrease */ input_report_key(adbhid[id]->input, KEY_KBDILLUMDOWN, down); break; case 0xf: switch (data[1]) { case 0x8f: case 0x0f: /* keyboard illumination increase */ input_report_key(adbhid[id]->input, KEY_KBDILLUMUP, down); break; case 0x7f: case 0xff: /* keypad overlay toogle */ break; default: printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", data[0], data[1], data[2], data[3]); break; } break; default: printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", data[0], data[1], data[2], data[3]); break; } } break; } input_sync(adbhid[id]->input); } static struct adb_request led_request; static int leds_pending[16]; static int leds_req_pending; static int pending_devs[16]; static int pending_led_start; static int pending_led_end; static DEFINE_SPINLOCK(leds_lock); static void leds_done(struct adb_request *req) { int leds = 0, device = 0, pending = 0; unsigned long flags; spin_lock_irqsave(&leds_lock, flags); if (pending_led_start != pending_led_end) { device = pending_devs[pending_led_start]; leds = leds_pending[device] & 0xff; leds_pending[device] = 0; pending_led_start++; pending_led_start = (pending_led_start < 16) ? pending_led_start : 0; pending = leds_req_pending; } else leds_req_pending = 0; spin_unlock_irqrestore(&leds_lock, flags); if (pending) adb_request(&led_request, leds_done, 0, 3, ADB_WRITEREG(device, KEYB_LEDREG), 0xff, ~leds); } static void real_leds(unsigned char leds, int device) { unsigned long flags; spin_lock_irqsave(&leds_lock, flags); if (!leds_req_pending) { leds_req_pending = 1; spin_unlock_irqrestore(&leds_lock, flags); adb_request(&led_request, leds_done, 0, 3, ADB_WRITEREG(device, KEYB_LEDREG), 0xff, ~leds); return; } else { if (!(leds_pending[device] & 0x100)) { pending_devs[pending_led_end] = device; pending_led_end++; pending_led_end = (pending_led_end < 16) ? pending_led_end : 0; } leds_pending[device] = leds | 0x100; } spin_unlock_irqrestore(&leds_lock, flags); } /* * Event callback from the input module. Events that change the state of * the hardware are processed here. */ static int adbhid_kbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) { struct adbhid *adbhid = input_get_drvdata(dev); unsigned char leds; switch (type) { case EV_LED: leds = (test_bit(LED_SCROLLL, dev->led) ? 4 : 0) | (test_bit(LED_NUML, dev->led) ? 1 : 0) | (test_bit(LED_CAPSL, dev->led) ? 2 : 0); real_leds(leds, adbhid->id); return 0; } return -1; } static void adbhid_kbd_capslock_remember(void) { struct adbhid *ahid; int i; for (i = 1; i < 16; i++) { ahid = adbhid[i]; if (ahid && ahid->id == ADB_KEYBOARD) if (ahid->flags & FLAG_CAPSLOCK_TRANSLATE) ahid->flags |= FLAG_CAPSLOCK_IGNORE_NEXT; } } static int adb_message_handler(struct notifier_block *this, unsigned long code, void *x) { switch (code) { case ADB_MSG_PRE_RESET: case ADB_MSG_POWERDOWN: /* Stop the repeat timer. Autopoll is already off at this point */ { int i; for (i = 1; i < 16; i++) { if (adbhid[i]) del_timer_sync(&adbhid[i]->input->timer); } } /* Stop pending led requests */ while (leds_req_pending) adb_poll(); /* After resume, and if the capslock LED is on, the PMU will * send a "capslock down" key event. This confuses the * restore_capslock_events logic. Remember if the capslock * LED was on before suspend so the unwanted key event can * be ignored after resume. */ if (restore_capslock_events) adbhid_kbd_capslock_remember(); break; case ADB_MSG_POST_RESET: adbhid_probe(); break; } return NOTIFY_DONE; } static int adbhid_input_register(int id, int default_id, int original_handler_id, int current_handler_id, int mouse_kind) { struct adbhid *hid; struct input_dev *input_dev; int err; int i; if (adbhid[id]) { printk(KERN_ERR "Trying to reregister ADB HID on ID %d\n", id); return -EEXIST; } adbhid[id] = hid = kzalloc(sizeof(struct adbhid), GFP_KERNEL); input_dev = input_allocate_device(); if (!hid || !input_dev) { err = -ENOMEM; goto fail; } sprintf(hid->phys, "adb%d:%d.%02x/input", id, default_id, original_handler_id); hid->input = input_dev; hid->id = default_id; hid->original_handler_id = original_handler_id; hid->current_handler_id = current_handler_id; hid->mouse_kind = mouse_kind; hid->flags = 0; input_set_drvdata(input_dev, hid); input_dev->name = hid->name; input_dev->phys = hid->phys; input_dev->id.bustype = BUS_ADB; input_dev->id.vendor = 0x0001; input_dev->id.product = (id << 12) | (default_id << 8) | original_handler_id; input_dev->id.version = 0x0100; switch (default_id) { case ADB_KEYBOARD: hid->keycode = kmalloc(sizeof(adb_to_linux_keycodes), GFP_KERNEL); if (!hid->keycode) { err = -ENOMEM; goto fail; } sprintf(hid->name, "ADB keyboard"); memcpy(hid->keycode, adb_to_linux_keycodes, sizeof(adb_to_linux_keycodes)); printk(KERN_INFO "Detected ADB keyboard, type "); switch (original_handler_id) { default: printk(".\n"); input_dev->id.version = ADB_KEYBOARD_UNKNOWN; break; case 0x01: case 0x02: case 0x03: case 0x06: case 0x08: case 0x0C: case 0x10: case 0x18: case 0x1B: case 0x1C: case 0xC0: case 0xC3: case 0xC6: printk("ANSI.\n"); input_dev->id.version = ADB_KEYBOARD_ANSI; break; case 0x04: case 0x05: case 0x07: case 0x09: case 0x0D: case 0x11: case 0x14: case 0x19: case 0x1D: case 0xC1: case 0xC4: case 0xC7: printk("ISO, swapping keys.\n"); input_dev->id.version = ADB_KEYBOARD_ISO; i = hid->keycode[10]; hid->keycode[10] = hid->keycode[50]; hid->keycode[50] = i; break; case 0x12: case 0x15: case 0x16: case 0x17: case 0x1A: case 0x1E: case 0xC2: case 0xC5: case 0xC8: case 0xC9: printk("JIS.\n"); input_dev->id.version = ADB_KEYBOARD_JIS; break; } for (i = 0; i < 128; i++) if (hid->keycode[i]) set_bit(hid->keycode[i], input_dev->keybit); input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_LED) | BIT_MASK(EV_REP); input_dev->ledbit[0] = BIT_MASK(LED_SCROLLL) | BIT_MASK(LED_CAPSL) | BIT_MASK(LED_NUML); input_dev->event = adbhid_kbd_event; input_dev->keycodemax = KEY_FN; input_dev->keycodesize = sizeof(hid->keycode[0]); break; case ADB_MOUSE: sprintf(hid->name, "ADB mouse"); input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); input_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); input_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); break; case ADB_MISC: switch (original_handler_id) { case 0x02: /* Adjustable keyboard button device */ sprintf(hid->name, "ADB adjustable keyboard buttons"); input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP); set_bit(KEY_SOUND, input_dev->keybit); set_bit(KEY_MUTE, input_dev->keybit); set_bit(KEY_VOLUMEUP, input_dev->keybit); set_bit(KEY_VOLUMEDOWN, input_dev->keybit); break; case 0x1f: /* Powerbook button device */ sprintf(hid->name, "ADB Powerbook buttons"); input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP); set_bit(KEY_MUTE, input_dev->keybit); set_bit(KEY_VOLUMEUP, input_dev->keybit); set_bit(KEY_VOLUMEDOWN, input_dev->keybit); set_bit(KEY_BRIGHTNESSUP, input_dev->keybit); set_bit(KEY_BRIGHTNESSDOWN, input_dev->keybit); set_bit(KEY_EJECTCD, input_dev->keybit); set_bit(KEY_SWITCHVIDEOMODE, input_dev->keybit); set_bit(KEY_KBDILLUMTOGGLE, input_dev->keybit); set_bit(KEY_KBDILLUMDOWN, input_dev->keybit); set_bit(KEY_KBDILLUMUP, input_dev->keybit); break; } if (hid->name[0]) break; /* else fall through */ default: printk(KERN_INFO "Trying to register unknown ADB device to input layer.\n"); err = -ENODEV; goto fail; } input_dev->keycode = hid->keycode; err = input_register_device(input_dev); if (err) goto fail; if (default_id == ADB_KEYBOARD) { /* HACK WARNING!! This should go away as soon there is an utility * to control that for event devices. */ input_dev->rep[REP_DELAY] = 500; /* input layer default: 250 */ input_dev->rep[REP_PERIOD] = 66; /* input layer default: 33 */ } return 0; fail: input_free_device(input_dev); if (hid) { kfree(hid->keycode); kfree(hid); } adbhid[id] = NULL; return err; } static void adbhid_input_unregister(int id) { input_unregister_device(adbhid[id]->input); kfree(adbhid[id]->keycode); kfree(adbhid[id]); adbhid[id] = NULL; } static u16 adbhid_input_reregister(int id, int default_id, int org_handler_id, int cur_handler_id, int mk) { if (adbhid[id]) { if (adbhid[id]->input->id.product != ((id << 12)|(default_id << 8)|org_handler_id)) { adbhid_input_unregister(id); adbhid_input_register(id, default_id, org_handler_id, cur_handler_id, mk); } } else adbhid_input_register(id, default_id, org_handler_id, cur_handler_id, mk); return 1<get it to send separate codes for left and right shift, control, option keys */ #if 0 /* handler 5 doesn't send separate codes for R modifiers */ if (adb_try_handler_change(id, 5)) printk("ADB keyboard at %d, handler set to 5\n", id); else #endif if (adb_try_handler_change(id, 3)) printk("ADB keyboard at %d, handler set to 3\n", id); else printk("ADB keyboard at %d, handler 1\n", id); adb_get_infos(id, &default_id, &cur_handler_id); reg |= adbhid_input_reregister(id, default_id, org_handler_id, cur_handler_id, 0); } for (i = 0; i < buttons_ids.nids; i++) { int id = buttons_ids.id[i]; adb_get_infos(id, &default_id, &org_handler_id); reg |= adbhid_input_reregister(id, default_id, org_handler_id, org_handler_id, 0); } /* Try to switch all mice to handler 4, or 2 for three-button mode and full resolution. */ for (i = 0; i < mouse_ids.nids; i++) { int id = mouse_ids.id[i]; int mouse_kind; adb_get_infos(id, &default_id, &org_handler_id); if (adb_try_handler_change(id, 4)) { printk("ADB mouse at %d, handler set to 4", id); mouse_kind = ADBMOUSE_EXTENDED; } else if (adb_try_handler_change(id, 0x2F)) { printk("ADB mouse at %d, handler set to 0x2F", id); mouse_kind = ADBMOUSE_MICROSPEED; } else if (adb_try_handler_change(id, 0x42)) { printk("ADB mouse at %d, handler set to 0x42", id); mouse_kind = ADBMOUSE_TRACKBALLPRO; } else if (adb_try_handler_change(id, 0x66)) { printk("ADB mouse at %d, handler set to 0x66", id); mouse_kind = ADBMOUSE_MICROSPEED; } else if (adb_try_handler_change(id, 0x5F)) { printk("ADB mouse at %d, handler set to 0x5F", id); mouse_kind = ADBMOUSE_MICROSPEED; } else if (adb_try_handler_change(id, 3)) { printk("ADB mouse at %d, handler set to 3", id); mouse_kind = ADBMOUSE_MS_A3; } else if (adb_try_handler_change(id, 2)) { printk("ADB mouse at %d, handler set to 2", id); mouse_kind = ADBMOUSE_STANDARD_200; } else { printk("ADB mouse at %d, handler 1", id); mouse_kind = ADBMOUSE_STANDARD_100; } if ((mouse_kind == ADBMOUSE_TRACKBALLPRO) || (mouse_kind == ADBMOUSE_MICROSPEED)) { init_microspeed(id); } else if (mouse_kind == ADBMOUSE_MS_A3) { init_ms_a3(id); } else if (mouse_kind == ADBMOUSE_EXTENDED) { /* * Register 1 is usually used for device * identification. Here, we try to identify * a known device and call the appropriate * init function. */ adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1, ADB_READREG(id, 1)); if ((req.reply_len) && (req.reply[1] == 0x9a) && ((req.reply[2] == 0x21) || (req.reply[2] == 0x20))) { mouse_kind = ADBMOUSE_TRACKBALL; init_trackball(id); } else if ((req.reply_len >= 4) && (req.reply[1] == 0x74) && (req.reply[2] == 0x70) && (req.reply[3] == 0x61) && (req.reply[4] == 0x64)) { mouse_kind = ADBMOUSE_TRACKPAD; init_trackpad(id); } else if ((req.reply_len >= 4) && (req.reply[1] == 0x4b) && (req.reply[2] == 0x4d) && (req.reply[3] == 0x4c) && (req.reply[4] == 0x31)) { mouse_kind = ADBMOUSE_TURBOMOUSE5; init_turbomouse(id); } else if ((req.reply_len == 9) && (req.reply[1] == 0x4b) && (req.reply[2] == 0x4f) && (req.reply[3] == 0x49) && (req.reply[4] == 0x54)) { if (adb_try_handler_change(id, 0x42)) { printk("\nADB MacAlly 2-button mouse at %d, handler set to 0x42", id); mouse_kind = ADBMOUSE_MACALLY2; } } } printk("\n"); adb_get_infos(id, &default_id, &cur_handler_id); reg |= adbhid_input_reregister(id, default_id, org_handler_id, cur_handler_id, mouse_kind); } adbhid_input_devcleanup(reg); } static void init_trackpad(int id) { struct adb_request req; unsigned char r1_buffer[8]; printk(" (trackpad)"); adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1, ADB_READREG(id,1)); if (req.reply_len < 8) printk("bad length for reg. 1\n"); else { memcpy(r1_buffer, &req.reply[1], 8); adb_request(&req, NULL, ADBREQ_SYNC, 9, ADB_WRITEREG(id,1), r1_buffer[0], r1_buffer[1], r1_buffer[2], r1_buffer[3], r1_buffer[4], r1_buffer[5], 0x0d, r1_buffer[7]); adb_request(&req, NULL, ADBREQ_SYNC, 9, ADB_WRITEREG(id,2), 0x99, 0x94, 0x19, 0xff, 0xb2, 0x8a, 0x1b, 0x50); adb_request(&req, NULL, ADBREQ_SYNC, 9, ADB_WRITEREG(id,1), r1_buffer[0], r1_buffer[1], r1_buffer[2], r1_buffer[3], r1_buffer[4], r1_buffer[5], 0x03, /*r1_buffer[6],*/ r1_buffer[7]); /* Without this flush, the trackpad may be locked up */ adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); } } static void init_trackball(int id) { struct adb_request req; printk(" (trackman/mouseman)"); adb_request(&req, NULL, ADBREQ_SYNC, 3, ADB_WRITEREG(id,1), 00,0x81); adb_request(&req, NULL, ADBREQ_SYNC, 3, ADB_WRITEREG(id,1), 01,0x81); adb_request(&req, NULL, ADBREQ_SYNC, 3, ADB_WRITEREG(id,1), 02,0x81); adb_request(&req, NULL, ADBREQ_SYNC, 3, ADB_WRITEREG(id,1), 03,0x38); adb_request(&req, NULL, ADBREQ_SYNC, 3, ADB_WRITEREG(id,1), 00,0x81); adb_request(&req, NULL, ADBREQ_SYNC, 3, ADB_WRITEREG(id,1), 01,0x81); adb_request(&req, NULL, ADBREQ_SYNC, 3, ADB_WRITEREG(id,1), 02,0x81); adb_request(&req, NULL, ADBREQ_SYNC, 3, ADB_WRITEREG(id,1), 03,0x38); } static void init_turbomouse(int id) { struct adb_request req; printk(" (TurboMouse 5)"); adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3)); adb_request(&req, NULL, ADBREQ_SYNC, 9, ADB_WRITEREG(3,2), 0xe7, 0x8c, 0, 0, 0, 0xff, 0xff, 0x94); adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3)); adb_request(&req, NULL, ADBREQ_SYNC, 9, ADB_WRITEREG(3,2), 0xa5, 0x14, 0, 0, 0x69, 0xff, 0xff, 0x27); } static void init_microspeed(int id) { struct adb_request req; printk(" (Microspeed/MacPoint or compatible)"); adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); /* This will initialize mice using the Microspeed, MacPoint and other compatible firmware. Bit 12 enables extended protocol. Register 1 Listen (4 Bytes) 0 - 3 Button is mouse (set also for double clicking!!!) 4 - 7 Button is locking (affects change speed also) 8 - 11 Button changes speed 12 1 = Extended mouse mode, 0 = normal mouse mode 13 - 15 unused 0 16 - 23 normal speed 24 - 31 changed speed Register 1 talk holds version and product identification information. Register 1 Talk (4 Bytes): 0 - 7 Product code 8 - 23 undefined, reserved 24 - 31 Version number Speed 0 is max. 1 to 255 set speed in increments of 1/256 of max. */ adb_request(&req, NULL, ADBREQ_SYNC, 5, ADB_WRITEREG(id,1), 0x20, /* alt speed = 0x20 (rather slow) */ 0x00, /* norm speed = 0x00 (fastest) */ 0x10, /* extended protocol, no speed change */ 0x07); /* all buttons enabled as mouse buttons, no locking */ adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); } static void init_ms_a3(int id) { struct adb_request req; printk(" (Mouse Systems A3 Mouse, or compatible)"); adb_request(&req, NULL, ADBREQ_SYNC, 3, ADB_WRITEREG(id, 0x2), 0x00, 0x07); adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); } static int __init adbhid_init(void) { #ifndef CONFIG_MAC if (!machine_is(chrp) && !machine_is(powermac)) return 0; #endif led_request.complete = 1; adbhid_probe(); blocking_notifier_chain_register(&adb_client_list, &adbhid_adb_notifier); return 0; } static void __exit adbhid_exit(void) { } module_init(adbhid_init); module_exit(adbhid_exit);