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path: root/drivers/input/keyboard/sunkbd.c
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Diffstat (limited to 'drivers/input/keyboard/sunkbd.c')
-rw-r--r--drivers/input/keyboard/sunkbd.c128
1 files changed, 73 insertions, 55 deletions
diff --git a/drivers/input/keyboard/sunkbd.c b/drivers/input/keyboard/sunkbd.c
index e7aa935a294..472b56639cd 100644
--- a/drivers/input/keyboard/sunkbd.c
+++ b/drivers/input/keyboard/sunkbd.c
@@ -73,7 +73,7 @@ static unsigned char sunkbd_keycode[128] = {
*/
struct sunkbd {
- unsigned char keycode[128];
+ unsigned char keycode[ARRAY_SIZE(sunkbd_keycode)];
struct input_dev *dev;
struct serio *serio;
struct work_struct tq;
@@ -81,7 +81,7 @@ struct sunkbd {
char name[64];
char phys[32];
char type;
- unsigned char enabled;
+ bool enabled;
volatile s8 reset;
volatile s8 layout;
};
@@ -94,10 +94,14 @@ struct sunkbd {
static irqreturn_t sunkbd_interrupt(struct serio *serio,
unsigned char data, unsigned int flags)
{
- struct sunkbd* sunkbd = serio_get_drvdata(serio);
+ struct sunkbd *sunkbd = serio_get_drvdata(serio);
- if (sunkbd->reset <= -1) { /* If cp[i] is 0xff, sunkbd->reset will stay -1. */
- sunkbd->reset = data; /* The keyboard sends 0xff 0xff 0xID on powerup */
+ if (sunkbd->reset <= -1) {
+ /*
+ * If cp[i] is 0xff, sunkbd->reset will stay -1.
+ * The keyboard sends 0xff 0xff 0xID on powerup.
+ */
+ sunkbd->reset = data;
wake_up_interruptible(&sunkbd->wait);
goto out;
}
@@ -110,29 +114,33 @@ static irqreturn_t sunkbd_interrupt(struct serio *serio,
switch (data) {
- case SUNKBD_RET_RESET:
- schedule_work(&sunkbd->tq);
- sunkbd->reset = -1;
- break;
+ case SUNKBD_RET_RESET:
+ schedule_work(&sunkbd->tq);
+ sunkbd->reset = -1;
+ break;
- case SUNKBD_RET_LAYOUT:
- sunkbd->layout = -1;
- break;
+ case SUNKBD_RET_LAYOUT:
+ sunkbd->layout = -1;
+ break;
- case SUNKBD_RET_ALLUP: /* All keys released */
+ case SUNKBD_RET_ALLUP: /* All keys released */
+ break;
+
+ default:
+ if (!sunkbd->enabled)
break;
- default:
- if (!sunkbd->enabled)
- break;
-
- if (sunkbd->keycode[data & SUNKBD_KEY]) {
- input_report_key(sunkbd->dev, sunkbd->keycode[data & SUNKBD_KEY], !(data & SUNKBD_RELEASE));
- input_sync(sunkbd->dev);
- } else {
- printk(KERN_WARNING "sunkbd.c: Unknown key (scancode %#x) %s.\n",
- data & SUNKBD_KEY, data & SUNKBD_RELEASE ? "released" : "pressed");
- }
+ if (sunkbd->keycode[data & SUNKBD_KEY]) {
+ input_report_key(sunkbd->dev,
+ sunkbd->keycode[data & SUNKBD_KEY],
+ !(data & SUNKBD_RELEASE));
+ input_sync(sunkbd->dev);
+ } else {
+ printk(KERN_WARNING
+ "sunkbd.c: Unknown key (scancode %#x) %s.\n",
+ data & SUNKBD_KEY,
+ data & SUNKBD_RELEASE ? "released" : "pressed");
+ }
}
out:
return IRQ_HANDLED;
@@ -142,34 +150,37 @@ out:
* sunkbd_event() handles events from the input module.
*/
-static int sunkbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
+static int sunkbd_event(struct input_dev *dev,
+ unsigned int type, unsigned int code, int value)
{
struct sunkbd *sunkbd = input_get_drvdata(dev);
switch (type) {
- case EV_LED:
+ case EV_LED:
- serio_write(sunkbd->serio, SUNKBD_CMD_SETLED);
- serio_write(sunkbd->serio,
- (!!test_bit(LED_CAPSL, dev->led) << 3) | (!!test_bit(LED_SCROLLL, dev->led) << 2) |
- (!!test_bit(LED_COMPOSE, dev->led) << 1) | !!test_bit(LED_NUML, dev->led));
- return 0;
+ serio_write(sunkbd->serio, SUNKBD_CMD_SETLED);
+ serio_write(sunkbd->serio,
+ (!!test_bit(LED_CAPSL, dev->led) << 3) |
+ (!!test_bit(LED_SCROLLL, dev->led) << 2) |
+ (!!test_bit(LED_COMPOSE, dev->led) << 1) |
+ !!test_bit(LED_NUML, dev->led));
+ return 0;
- case EV_SND:
+ case EV_SND:
- switch (code) {
+ switch (code) {
- case SND_CLICK:
- serio_write(sunkbd->serio, SUNKBD_CMD_NOCLICK - value);
- return 0;
+ case SND_CLICK:
+ serio_write(sunkbd->serio, SUNKBD_CMD_NOCLICK - value);
+ return 0;
- case SND_BELL:
- serio_write(sunkbd->serio, SUNKBD_CMD_BELLOFF - value);
- return 0;
- }
+ case SND_BELL:
+ serio_write(sunkbd->serio, SUNKBD_CMD_BELLOFF - value);
+ return 0;
+ }
- break;
+ break;
}
return -1;
@@ -193,9 +204,12 @@ static int sunkbd_initialize(struct sunkbd *sunkbd)
if (sunkbd->type == 4) { /* Type 4 keyboard */
sunkbd->layout = -2;
serio_write(sunkbd->serio, SUNKBD_CMD_LAYOUT);
- wait_event_interruptible_timeout(sunkbd->wait, sunkbd->layout >= 0, HZ/4);
- if (sunkbd->layout < 0) return -1;
- if (sunkbd->layout & SUNKBD_LAYOUT_5_MASK) sunkbd->type = 5;
+ wait_event_interruptible_timeout(sunkbd->wait,
+ sunkbd->layout >= 0, HZ / 4);
+ if (sunkbd->layout < 0)
+ return -1;
+ if (sunkbd->layout & SUNKBD_LAYOUT_5_MASK)
+ sunkbd->type = 5;
}
return 0;
@@ -218,11 +232,13 @@ static void sunkbd_reinit(struct work_struct *work)
(!!test_bit(LED_SCROLLL, sunkbd->dev->led) << 2) |
(!!test_bit(LED_COMPOSE, sunkbd->dev->led) << 1) |
!!test_bit(LED_NUML, sunkbd->dev->led));
- serio_write(sunkbd->serio, SUNKBD_CMD_NOCLICK - !!test_bit(SND_CLICK, sunkbd->dev->snd));
- serio_write(sunkbd->serio, SUNKBD_CMD_BELLOFF - !!test_bit(SND_BELL, sunkbd->dev->snd));
+ serio_write(sunkbd->serio,
+ SUNKBD_CMD_NOCLICK - !!test_bit(SND_CLICK, sunkbd->dev->snd));
+ serio_write(sunkbd->serio,
+ SUNKBD_CMD_BELLOFF - !!test_bit(SND_BELL, sunkbd->dev->snd));
}
-static void sunkbd_enable(struct sunkbd *sunkbd, int enable)
+static void sunkbd_enable(struct sunkbd *sunkbd, bool enable)
{
serio_pause_rx(sunkbd->serio);
sunkbd->enabled = enable;
@@ -230,7 +246,8 @@ static void sunkbd_enable(struct sunkbd *sunkbd, int enable)
}
/*
- * sunkbd_connect() probes for a Sun keyboard and fills the necessary structures.
+ * sunkbd_connect() probes for a Sun keyboard and fills the necessary
+ * structures.
*/
static int sunkbd_connect(struct serio *serio, struct serio_driver *drv)
@@ -262,7 +279,8 @@ static int sunkbd_connect(struct serio *serio, struct serio_driver *drv)
goto fail3;
}
- snprintf(sunkbd->name, sizeof(sunkbd->name), "Sun Type %d keyboard", sunkbd->type);
+ snprintf(sunkbd->name, sizeof(sunkbd->name),
+ "Sun Type %d keyboard", sunkbd->type);
memcpy(sunkbd->keycode, sunkbd_keycode, sizeof(sunkbd->keycode));
input_dev->name = sunkbd->name;
@@ -286,11 +304,11 @@ static int sunkbd_connect(struct serio *serio, struct serio_driver *drv)
input_dev->keycode = sunkbd->keycode;
input_dev->keycodesize = sizeof(unsigned char);
input_dev->keycodemax = ARRAY_SIZE(sunkbd_keycode);
- for (i = 0; i < 128; i++)
- set_bit(sunkbd->keycode[i], input_dev->keybit);
- clear_bit(0, input_dev->keybit);
+ for (i = 0; i < ARRAY_SIZE(sunkbd_keycode); i++)
+ __set_bit(sunkbd->keycode[i], input_dev->keybit);
+ __clear_bit(KEY_RESERVED, input_dev->keybit);
- sunkbd_enable(sunkbd, 1);
+ sunkbd_enable(sunkbd, true);
err = input_register_device(sunkbd->dev);
if (err)
@@ -298,7 +316,7 @@ static int sunkbd_connect(struct serio *serio, struct serio_driver *drv)
return 0;
- fail4: sunkbd_enable(sunkbd, 0);
+ fail4: sunkbd_enable(sunkbd, false);
fail3: serio_close(serio);
fail2: serio_set_drvdata(serio, NULL);
fail1: input_free_device(input_dev);
@@ -314,7 +332,7 @@ static void sunkbd_disconnect(struct serio *serio)
{
struct sunkbd *sunkbd = serio_get_drvdata(serio);
- sunkbd_enable(sunkbd, 0);
+ sunkbd_enable(sunkbd, false);
input_unregister_device(sunkbd->dev);
serio_close(serio);
serio_set_drvdata(serio, NULL);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-22 21:21:44 +0000