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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /drivers/macintosh/adbhid.c
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'drivers/macintosh/adbhid.c')
-rw-r--r--drivers/macintosh/adbhid.c1177
1 files changed, 1177 insertions, 0 deletions
diff --git a/drivers/macintosh/adbhid.c b/drivers/macintosh/adbhid.c
new file mode 100644
index 00000000000..8f93d01d892
--- /dev/null
+++ b/drivers/macintosh/adbhid.c
@@ -0,0 +1,1177 @@
+/*
+ * drivers/input/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 <aidan@kublai.com>
+ * - MacAlly 2-buttons mouse (needs testing) <pochini@denise.shiny.it>
+ *
+ * To do:
+ *
+ * Improve Kensington support.
+ * Split mouse/kbd
+ * Move to syfs
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/notifier.h>
+#include <linux/input.h>
+
+#include <linux/adb.h>
+#include <linux/cuda.h>
+#include <linux/pmu.h>
+
+#include <asm/machdep.h>
+#ifdef CONFIG_PPC_PMAC
+#include <asm/pmac_feature.h>
+#endif
+
+#ifdef CONFIG_PMAC_BACKLIGHT
+#include <asm/backlight.h>
+#endif
+
+MODULE_AUTHOR("Franz Sirl <Franz.Sirl-kernel@lauterbach.com>");
+
+#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
+
+u8 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 */ 0,
+ /* 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_HANGUEL, /* 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;
+ unsigned char *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
+
+static struct adbhid *adbhid[16];
+
+static void adbhid_probe(void);
+
+static void adbhid_input_keycode(int, int, int, struct pt_regs *);
+
+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;
+
+#ifdef CONFIG_PMAC_BACKLIGHT
+/* Exported to via-pmu.c */
+int disable_kernel_backlight = 0;
+#endif /* CONFIG_PMAC_BACKLIGHT */
+
+/* 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, struct pt_regs *regs, 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, regs);
+ if (!(data[2] == 0xff || (data[2] == 0x7f && data[1] == 0x7f)))
+ adbhid_input_keycode(id, data[2], 0, regs);
+}
+
+static void
+adbhid_input_keycode(int id, int keycode, int repeat, struct pt_regs *regs)
+{
+ struct adbhid *ahid = adbhid[id];
+ int up_flag;
+
+ up_flag = (keycode & 0x80);
+ keycode &= 0x7f;
+
+ switch (keycode) {
+ case ADB_KEY_CAPSLOCK: /* Generate down/up events for CapsLock everytime. */
+ input_regs(&ahid->input, regs);
+ input_report_key(&ahid->input, KEY_CAPSLOCK, 1);
+ input_report_key(&ahid->input, KEY_CAPSLOCK, 0);
+ input_sync(&ahid->input);
+ return;
+#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:
+ /* 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;
+ /* Swallow the key press */
+ return;
+ 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 */
+ }
+
+ if (adbhid[id]->keycode[keycode]) {
+ input_regs(&adbhid[id]->input, regs);
+ input_report_key(&adbhid[id]->input,
+ adbhid[id]->keycode[keycode], !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, struct pt_regs *regs, 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_regs(&adbhid[id]->input, regs);
+
+ 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, struct pt_regs *regs, 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;
+ }
+
+ input_regs(&adbhid[id]->input, regs);
+
+ 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));
+#ifdef CONFIG_PMAC_BACKLIGHT
+ int backlight = get_backlight_level();
+#endif
+ /*
+ * 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 (!disable_kernel_backlight) {
+ if (down && backlight >= 0) {
+ if (backlight > BACKLIGHT_OFF)
+ set_backlight_level(backlight-1);
+ else
+ set_backlight_level(BACKLIGHT_OFF);
+ }
+ }
+#endif /* CONFIG_PMAC_BACKLIGHT */
+ input_report_key(&adbhid[id]->input, KEY_BRIGHTNESSDOWN, down);
+ break;
+
+ case 0x9: /* brightness increase */
+#ifdef CONFIG_PMAC_BACKLIGHT
+ if (!disable_kernel_backlight) {
+ if (down && backlight >= 0) {
+ if (backlight < BACKLIGHT_MAX)
+ set_backlight_level(backlight+1);
+ else
+ set_backlight_level(BACKLIGHT_MAX);
+ }
+ }
+#endif /* CONFIG_PMAC_BACKLIGHT */
+ input_report_key(&adbhid[id]->input, KEY_BRIGHTNESSUP, down);
+ 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=0;
+static int pending_led_end=0;
+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 = dev->private;
+ 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 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();
+ break;
+
+ case ADB_MSG_POST_RESET:
+ adbhid_probe();
+ break;
+ }
+ return NOTIFY_DONE;
+}
+
+static void
+adbhid_input_register(int id, int default_id, int original_handler_id,
+ int current_handler_id, int mouse_kind)
+{
+ int i;
+
+ if (adbhid[id]) {
+ printk(KERN_ERR "Trying to reregister ADB HID on ID %d\n", id);
+ return;
+ }
+
+ if (!(adbhid[id] = kmalloc(sizeof(struct adbhid), GFP_KERNEL)))
+ return;
+
+ memset(adbhid[id], 0, sizeof(struct adbhid));
+ sprintf(adbhid[id]->phys, "adb%d:%d.%02x/input", id, default_id, original_handler_id);
+
+ init_input_dev(&adbhid[id]->input);
+
+ adbhid[id]->id = default_id;
+ adbhid[id]->original_handler_id = original_handler_id;
+ adbhid[id]->current_handler_id = current_handler_id;
+ adbhid[id]->mouse_kind = mouse_kind;
+ adbhid[id]->flags = 0;
+ adbhid[id]->input.private = adbhid[id];
+ adbhid[id]->input.name = adbhid[id]->name;
+ adbhid[id]->input.phys = adbhid[id]->phys;
+ adbhid[id]->input.id.bustype = BUS_ADB;
+ adbhid[id]->input.id.vendor = 0x0001;
+ adbhid[id]->input.id.product = (id << 12) | (default_id << 8) | original_handler_id;
+ adbhid[id]->input.id.version = 0x0100;
+
+ switch (default_id) {
+ case ADB_KEYBOARD:
+ if (!(adbhid[id]->keycode = kmalloc(sizeof(adb_to_linux_keycodes), GFP_KERNEL))) {
+ kfree(adbhid[id]);
+ return;
+ }
+
+ sprintf(adbhid[id]->name, "ADB keyboard");
+
+ memcpy(adbhid[id]->keycode, adb_to_linux_keycodes, sizeof(adb_to_linux_keycodes));
+
+ printk(KERN_INFO "Detected ADB keyboard, type ");
+ switch (original_handler_id) {
+ default:
+ printk("<unknown>.\n");
+ adbhid[id]->input.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");
+ adbhid[id]->input.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");
+ adbhid[id]->input.id.version = ADB_KEYBOARD_ISO;
+ i = adbhid[id]->keycode[10];
+ adbhid[id]->keycode[10] = adbhid[id]->keycode[50];
+ adbhid[id]->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");
+ adbhid[id]->input.id.version = ADB_KEYBOARD_JIS;
+ break;
+ }
+
+ for (i = 0; i < 128; i++)
+ if (adbhid[id]->keycode[i])
+ set_bit(adbhid[id]->keycode[i], adbhid[id]->input.keybit);
+
+ adbhid[id]->input.evbit[0] = BIT(EV_KEY) | BIT(EV_LED) | BIT(EV_REP);
+ adbhid[id]->input.ledbit[0] = BIT(LED_SCROLLL) | BIT(LED_CAPSL) | BIT(LED_NUML);
+ adbhid[id]->input.event = adbhid_kbd_event;
+ adbhid[id]->input.keycodemax = 127;
+ adbhid[id]->input.keycodesize = 1;
+ break;
+
+ case ADB_MOUSE:
+ sprintf(adbhid[id]->name, "ADB mouse");
+
+ adbhid[id]->input.evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
+ adbhid[id]->input.keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
+ adbhid[id]->input.relbit[0] = BIT(REL_X) | BIT(REL_Y);
+ break;
+
+ case ADB_MISC:
+ switch (original_handler_id) {
+ case 0x02: /* Adjustable keyboard button device */
+ sprintf(adbhid[id]->name, "ADB adjustable keyboard buttons");
+ adbhid[id]->input.evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
+ set_bit(KEY_SOUND, adbhid[id]->input.keybit);
+ set_bit(KEY_MUTE, adbhid[id]->input.keybit);
+ set_bit(KEY_VOLUMEUP, adbhid[id]->input.keybit);
+ set_bit(KEY_VOLUMEDOWN, adbhid[id]->input.keybit);
+ break;
+ case 0x1f: /* Powerbook button device */
+ sprintf(adbhid[id]->name, "ADB Powerbook buttons");
+ adbhid[id]->input.evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
+ set_bit(KEY_MUTE, adbhid[id]->input.keybit);
+ set_bit(KEY_VOLUMEUP, adbhid[id]->input.keybit);
+ set_bit(KEY_VOLUMEDOWN, adbhid[id]->input.keybit);
+ set_bit(KEY_BRIGHTNESSUP, adbhid[id]->input.keybit);
+ set_bit(KEY_BRIGHTNESSDOWN, adbhid[id]->input.keybit);
+ set_bit(KEY_EJECTCD, adbhid[id]->input.keybit);
+ break;
+ }
+ if (adbhid[id]->name[0])
+ break;
+ /* else fall through */
+
+ default:
+ printk(KERN_INFO "Trying to register unknown ADB device to input layer.\n");
+ kfree(adbhid[id]);
+ return;
+ }
+
+ adbhid[id]->input.keycode = adbhid[id]->keycode;
+
+ input_register_device(&adbhid[id]->input);
+
+ printk(KERN_INFO "input: %s on %s\n",
+ adbhid[id]->name, adbhid[id]->phys);
+
+ if (default_id == ADB_KEYBOARD) {
+ /* HACK WARNING!! This should go away as soon there is an utility
+ * to control that for event devices.
+ */
+ adbhid[id]->input.rep[REP_DELAY] = 500; /* input layer default: 250 */
+ adbhid[id]->input.rep[REP_PERIOD] = 66; /* input layer default: 33 */
+ }
+}
+
+static void adbhid_input_unregister(int id)
+{
+ input_unregister_device(&adbhid[id]->input);
+ if (adbhid[id]->keycode)
+ 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<<id;
+}
+
+static void
+adbhid_input_devcleanup(u16 exist)
+{
+ int i;
+ for(i=1; i<16; i++)
+ if (adbhid[i] && !(exist&(1<<i)))
+ adbhid_input_unregister(i);
+}
+
+static void
+adbhid_probe(void)
+{
+ struct adb_request req;
+ int i, default_id, org_handler_id, cur_handler_id;
+ u16 reg = 0;
+
+ adb_register(ADB_MOUSE, 0, &mouse_ids, adbhid_mouse_input);
+ adb_register(ADB_KEYBOARD, 0, &keyboard_ids, adbhid_keyboard_input);
+ adb_register(ADB_MISC, 0, &buttons_ids, adbhid_buttons_input);
+
+ for (i = 0; i < keyboard_ids.nids; i++) {
+ int id = keyboard_ids.id[i];
+
+ adb_get_infos(id, &default_id, &org_handler_id);
+
+ /* turn off all leds */
+ adb_request(&req, NULL, ADBREQ_SYNC, 3,
+ ADB_WRITEREG(id, KEYB_LEDREG), 0xff, 0xff);
+
+ /* Enable full feature set of the keyboard
+ ->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 != _MACH_chrp) && (_machine != _MACH_Pmac) )
+ return 0;
+#endif
+
+ led_request.complete = 1;
+
+ adbhid_probe();
+
+ 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);