[PATCH] Input: convert drivers/macintosh to dynamic input_dev allocation

From: Greg KH
Date: Fri Oct 28 2005 - 01:42:54 EST

[PATCH] Input: convert drivers/macintosh to dynamic input_dev allocation

Input: convert drivers/macntosh to dynamic input_dev allocation

This is required for input_dev sysfs integration

Signed-off-by: Dmitry Torokhov <dtor@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
commit 46aefdd22b2862771431be7e90a0b2c7d5d0524b
tree 7e6cb9b51e061b93776b68038222c76f53bd94d1
parent 76537631e95b6e1a34bb78e1d45eb9e8c7e3de1d
author Dmitry Torokhov <dtor_core@xxxxxxxxxxxxx> Thu, 15 Sep 2005 02:01:41 -0500
committer Greg Kroah-Hartman <gregkh@xxxxxxx> Thu, 27 Oct 2005 22:48:05 -0700

drivers/macintosh/adbhid.c | 220 ++++++++++++++++++++++---------------------
drivers/macintosh/mac_hid.c | 44 +++++----
2 files changed, 139 insertions(+), 125 deletions(-)

diff --git a/drivers/macintosh/adbhid.c b/drivers/macintosh/adbhid.c
index db654e8..cdb6d02 100644
--- a/drivers/macintosh/adbhid.c
+++ b/drivers/macintosh/adbhid.c
@@ -206,7 +206,7 @@ u8 adb_to_linux_keycodes[128] = {
};

struct adbhid {
- struct input_dev input;
+ struct input_dev *input;
int id;
int default_id;
int original_handler_id;
@@ -291,10 +291,10 @@ adbhid_input_keycode(int id, int keycode

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);
+ 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 */
@@ -347,10 +347,10 @@ adbhid_input_keycode(int id, int keycode
}

if (adbhid[id]->keycode[keycode]) {
- input_regs(&adbhid[id]->input, regs);
- input_report_key(&adbhid[id]->input,
+ input_regs(adbhid[id]->input, regs);
+ input_report_key(adbhid[id]->input,
adbhid[id]->keycode[keycode], !up_flag);
- input_sync(&adbhid[id]->input);
+ input_sync(adbhid[id]->input);
} else
printk(KERN_INFO "Unhandled ADB key (scancode %#02x) %s.\n", keycode,
up_flag ? "released" : "pressed");
@@ -441,20 +441,20 @@ adbhid_mouse_input(unsigned char *data,
break;
}

- input_regs(&adbhid[id]->input, regs);
+ 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));
+ 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_key(adbhid[id]->input, BTN_RIGHT, !((data[3] >> 7) & 1));

- input_report_rel(&adbhid[id]->input, REL_X,
+ 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,
+ input_report_rel(adbhid[id]->input, REL_Y,
((data[1]&0x7f) < 64 ? (data[1]&0x7f) : (data[1]&0x7f)-128 ));

- input_sync(&adbhid[id]->input);
+ input_sync(adbhid[id]->input);
}

static void
@@ -467,7 +467,7 @@ adbhid_buttons_input(unsigned char *data
return;
}

- input_regs(&adbhid[id]->input, regs);
+ input_regs(adbhid[id]->input, regs);

switch (adbhid[id]->original_handler_id) {
default:
@@ -477,19 +477,19 @@ adbhid_buttons_input(unsigned char *data

switch (data[1] & 0x0f) {
case 0x0: /* microphone */
- input_report_key(&adbhid[id]->input, KEY_SOUND, down);
+ input_report_key(adbhid[id]->input, KEY_SOUND, down);
break;

case 0x1: /* mute */
- input_report_key(&adbhid[id]->input, KEY_MUTE, down);
+ input_report_key(adbhid[id]->input, KEY_MUTE, down);
break;

case 0x2: /* volume decrease */
- input_report_key(&adbhid[id]->input, KEY_VOLUMEDOWN, down);
+ input_report_key(adbhid[id]->input, KEY_VOLUMEDOWN, down);
break;

case 0x3: /* volume increase */
- input_report_key(&adbhid[id]->input, KEY_VOLUMEUP, down);
+ input_report_key(adbhid[id]->input, KEY_VOLUMEUP, down);
break;

default:
@@ -513,19 +513,19 @@ adbhid_buttons_input(unsigned char *data

switch (data[1] & 0x0f) {
case 0x8: /* mute */
- input_report_key(&adbhid[id]->input, KEY_MUTE, down);
+ input_report_key(adbhid[id]->input, KEY_MUTE, down);
break;

case 0x7: /* volume decrease */
- input_report_key(&adbhid[id]->input, KEY_VOLUMEDOWN, down);
+ input_report_key(adbhid[id]->input, KEY_VOLUMEDOWN, down);
break;

case 0x6: /* volume increase */
- input_report_key(&adbhid[id]->input, KEY_VOLUMEUP, down);
+ input_report_key(adbhid[id]->input, KEY_VOLUMEUP, down);
break;

case 0xb: /* eject */
- input_report_key(&adbhid[id]->input, KEY_EJECTCD, down);
+ input_report_key(adbhid[id]->input, KEY_EJECTCD, down);
break;

case 0xa: /* brightness decrease */
@@ -539,7 +539,7 @@ adbhid_buttons_input(unsigned char *data
}
}
#endif /* CONFIG_PMAC_BACKLIGHT */
- input_report_key(&adbhid[id]->input, KEY_BRIGHTNESSDOWN, down);
+ input_report_key(adbhid[id]->input, KEY_BRIGHTNESSDOWN, down);
break;

case 0x9: /* brightness increase */
@@ -553,19 +553,19 @@ adbhid_buttons_input(unsigned char *data
}
}
#endif /* CONFIG_PMAC_BACKLIGHT */
- input_report_key(&adbhid[id]->input, KEY_BRIGHTNESSUP, down);
+ input_report_key(adbhid[id]->input, KEY_BRIGHTNESSUP, down);
break;

case 0xc: /* videomode switch */
- input_report_key(&adbhid[id]->input, KEY_SWITCHVIDEOMODE, down);
+ input_report_key(adbhid[id]->input, KEY_SWITCHVIDEOMODE, down);
break;

case 0xd: /* keyboard illumination toggle */
- input_report_key(&adbhid[id]->input, KEY_KBDILLUMTOGGLE, down);
+ input_report_key(adbhid[id]->input, KEY_KBDILLUMTOGGLE, down);
break;

case 0xe: /* keyboard illumination decrease */
- input_report_key(&adbhid[id]->input, KEY_KBDILLUMDOWN, down);
+ input_report_key(adbhid[id]->input, KEY_KBDILLUMDOWN, down);
break;

case 0xf:
@@ -573,7 +573,7 @@ adbhid_buttons_input(unsigned char *data
case 0x8f:
case 0x0f:
/* keyboard illumination increase */
- input_report_key(&adbhid[id]->input, KEY_KBDILLUMUP, down);
+ input_report_key(adbhid[id]->input, KEY_KBDILLUMUP, down);
break;

case 0x7f:
@@ -596,7 +596,7 @@ adbhid_buttons_input(unsigned char *data
break;
}

- input_sync(&adbhid[id]->input);
+ input_sync(adbhid[id]->input);
}

static struct adb_request led_request;
@@ -683,7 +683,7 @@ adb_message_handler(struct notifier_bloc
int i;
for (i = 1; i < 16; i++) {
if (adbhid[i])
- del_timer_sync(&adbhid[i]->input.timer);
+ del_timer_sync(&adbhid[i]->input->timer);
}
}

@@ -699,153 +699,163 @@ adb_message_handler(struct notifier_bloc
return NOTIFY_DONE;
}

-static void
+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;
+ return -EEXIST;
}

- 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);
+ adbhid[id] = hid = kzalloc(sizeof(struct adbhid), GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!hid || !input_dev) {
+ err = -ENOMEM;
+ goto fail;

- 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;
+ sprintf(hid->phys, "adb%d:%d.%02x/input", id, default_id, original_handler_id);
+
+ 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_dev->private = 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:
- if (!(adbhid[id]->keycode = kmalloc(sizeof(adb_to_linux_keycodes), GFP_KERNEL))) {
- kfree(adbhid[id]);
- return;
+ hid->keycode = kmalloc(sizeof(adb_to_linux_keycodes), GFP_KERNEL);
+ if (!hid->keycode) {
+ err = -ENOMEM;
+ goto fail;
}

- sprintf(adbhid[id]->name, "ADB keyboard");
+ sprintf(hid->name, "ADB keyboard");

- memcpy(adbhid[id]->keycode, adb_to_linux_keycodes, sizeof(adb_to_linux_keycodes));
+ 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("<unknown>.\n");
- adbhid[id]->input.id.version = ADB_KEYBOARD_UNKNOWN;
+ 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");
- adbhid[id]->input.id.version = ADB_KEYBOARD_ANSI;
+ 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");
- 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;
+ 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");
- adbhid[id]->input.id.version = ADB_KEYBOARD_JIS;
+ input_dev->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);
+ if (hid->keycode[i])
+ set_bit(hid->keycode[i], input_dev->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;
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_LED) | BIT(EV_REP);
+ input_dev->ledbit[0] = BIT(LED_SCROLLL) | BIT(LED_CAPSL) | BIT(LED_NUML);
+ input_dev->event = adbhid_kbd_event;
+ input_dev->keycodemax = 127;
+ input_dev->keycodesize = 1;
break;

case ADB_MOUSE:
- sprintf(adbhid[id]->name, "ADB mouse");
+ sprintf(hid->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);
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
+ input_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
+ input_dev->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);
+ sprintf(hid->name, "ADB adjustable keyboard buttons");
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(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(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);
- set_bit(KEY_SWITCHVIDEOMODE, adbhid[id]->input.keybit);
- set_bit(KEY_KBDILLUMTOGGLE, adbhid[id]->input.keybit);
- set_bit(KEY_KBDILLUMDOWN, adbhid[id]->input.keybit);
- set_bit(KEY_KBDILLUMUP, adbhid[id]->input.keybit);
+ sprintf(hid->name, "ADB Powerbook buttons");
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(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 (adbhid[id]->name[0])
+ if (hid->name[0])
break;
/* else fall through */

default:
printk(KERN_INFO "Trying to register unknown ADB device to input layer.\n");
- kfree(adbhid[id]);
- return;
+ err = -ENODEV;
+ goto fail;
}

- adbhid[id]->input.keycode = adbhid[id]->keycode;
-
- input_register_device(&adbhid[id]->input);
+ input_dev->keycode = hid->keycode;

- printk(KERN_INFO "input: %s on %s\n",
- adbhid[id]->name, adbhid[id]->phys);
+ input_register_device(input_dev);

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 */
+ 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);
+ kfree(hid);
+ adbhid[id] = NULL;
+ return err;
}

static void adbhid_input_unregister(int id)
{
- input_unregister_device(&adbhid[id]->input);
+ input_unregister_device(adbhid[id]->input);
if (adbhid[id]->keycode)
kfree(adbhid[id]->keycode);
kfree(adbhid[id]);
@@ -858,7 +868,7 @@ adbhid_input_reregister(int id, int defa
int cur_handler_id, int mk)
{
if (adbhid[id]) {
- if (adbhid[id]->input.id.product !=
+ 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,
diff --git a/drivers/macintosh/mac_hid.c b/drivers/macintosh/mac_hid.c
index 5ad3a5a..a666361 100644
--- a/drivers/macintosh/mac_hid.c
+++ b/drivers/macintosh/mac_hid.c
@@ -16,8 +16,8 @@
#include <linux/module.h>


-static struct input_dev emumousebtn;
-static void emumousebtn_input_register(void);
+static struct input_dev *emumousebtn;
+static int emumousebtn_input_register(void);
static int mouse_emulate_buttons = 0;
static int mouse_button2_keycode = KEY_RIGHTCTRL; /* right control key */
static int mouse_button3_keycode = KEY_RIGHTALT; /* right option key */
@@ -90,10 +90,10 @@ int mac_hid_mouse_emulate_buttons(int ca
&& (keycode == mouse_button2_keycode
|| keycode == mouse_button3_keycode)) {
if (mouse_emulate_buttons == 1) {
- input_report_key(&emumousebtn,
+ input_report_key(emumousebtn,
keycode == mouse_button2_keycode ? BTN_MIDDLE : BTN_RIGHT,
down);
- input_sync(&emumousebtn);
+ input_sync(emumousebtn);
return 1;
}
mouse_last_keycode = down ? keycode : 0;
@@ -105,30 +105,34 @@ int mac_hid_mouse_emulate_buttons(int ca

EXPORT_SYMBOL(mac_hid_mouse_emulate_buttons);

-static void emumousebtn_input_register(void)
+static int emumousebtn_input_register(void)
{
- emumousebtn.name = "Macintosh mouse button emulation";
+ emumousebtn = input_allocate_device();
+ if (!emumousebtn)
+ return -ENOMEM;
+
+ emumousebtn->name = "Macintosh mouse button emulation";
+ emumousebtn->id.bustype = BUS_ADB;
+ emumousebtn->id.vendor = 0x0001;
+ emumousebtn->id.product = 0x0001;
+ emumousebtn->id.version = 0x0100;
+
+ emumousebtn->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
+ emumousebtn->keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
+ emumousebtn->relbit[0] = BIT(REL_X) | BIT(REL_Y);

- init_input_dev(&emumousebtn);
+ input_register_device(emumousebtn);

- emumousebtn.evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
- emumousebtn.keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
- emumousebtn.relbit[0] = BIT(REL_X) | BIT(REL_Y);
-
- emumousebtn.id.bustype = BUS_ADB;
- emumousebtn.id.vendor = 0x0001;
- emumousebtn.id.product = 0x0001;
- emumousebtn.id.version = 0x0100;
-
- input_register_device(&emumousebtn);
-
- printk(KERN_INFO "input: Macintosh mouse button emulation\n");
+ return 0;
}

int __init mac_hid_init(void)
{
+ int err;

- emumousebtn_input_register();
+ err = emumousebtn_input_register();
+ if (err)
+ return err;

#if defined(CONFIG_SYSCTL)
mac_hid_sysctl_header = register_sysctl_table(mac_hid_root_dir, 1);

-
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