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path: root/drivers/input/mouse/hil_ptr.c
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Diffstat (limited to 'drivers/input/mouse/hil_ptr.c')
-rw-r--r--drivers/input/mouse/hil_ptr.c97
1 files changed, 50 insertions, 47 deletions
diff --git a/drivers/input/mouse/hil_ptr.c b/drivers/input/mouse/hil_ptr.c
index bfb174fe3230..449bf4dcbbcc 100644
--- a/drivers/input/mouse/hil_ptr.c
+++ b/drivers/input/mouse/hil_ptr.c
@@ -88,10 +88,12 @@ static void hil_ptr_process_record(struct hil_ptr *ptr)
idx = ptr->idx4/4;
p = data[idx - 1];
- if ((p & ~HIL_CMDCT_POL) ==
- (HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_POL)) goto report;
- if ((p & ~HIL_CMDCT_RPL) ==
- (HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_RPL)) goto report;
+ if ((p & ~HIL_CMDCT_POL) ==
+ (HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_POL))
+ goto report;
+ if ((p & ~HIL_CMDCT_RPL) ==
+ (HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_RPL))
+ goto report;
/* Not a poll response. See if we are loading config records. */
switch (p & HIL_PKT_DATA_MASK) {
@@ -101,27 +103,32 @@ static void hil_ptr_process_record(struct hil_ptr *ptr)
for (; i < HIL_PTR_MAX_LENGTH; i++)
ptr->idd[i] = 0;
break;
+
case HIL_CMD_RSC:
for (i = 0; i < idx; i++)
ptr->rsc[i] = ptr->data[i] & HIL_PKT_DATA_MASK;
for (; i < HIL_PTR_MAX_LENGTH; i++)
ptr->rsc[i] = 0;
break;
+
case HIL_CMD_EXD:
for (i = 0; i < idx; i++)
ptr->exd[i] = ptr->data[i] & HIL_PKT_DATA_MASK;
for (; i < HIL_PTR_MAX_LENGTH; i++)
ptr->exd[i] = 0;
break;
+
case HIL_CMD_RNM:
for (i = 0; i < idx; i++)
ptr->rnm[i] = ptr->data[i] & HIL_PKT_DATA_MASK;
for (; i < HIL_PTR_MAX_LENGTH + 1; i++)
- ptr->rnm[i] = '\0';
+ ptr->rnm[i] = 0;
break;
+
default:
/* These occur when device isn't present */
- if (p == (HIL_ERR_INT | HIL_PKT_CMD)) break;
+ if (p == (HIL_ERR_INT | HIL_PKT_CMD))
+ break;
/* Anything else we'd like to know about. */
printk(KERN_WARNING PREFIX "Device sent unknown record %x\n", p);
break;
@@ -130,7 +137,8 @@ static void hil_ptr_process_record(struct hil_ptr *ptr)
report:
if ((p & HIL_CMDCT_POL) != idx - 1) {
- printk(KERN_WARNING PREFIX "Malformed poll packet %x (idx = %i)\n", p, idx);
+ printk(KERN_WARNING PREFIX
+ "Malformed poll packet %x (idx = %i)\n", p, idx);
goto out;
}
@@ -139,7 +147,7 @@ static void hil_ptr_process_record(struct hil_ptr *ptr)
laxis += i;
ax16 = ptr->idd[1] & HIL_IDD_HEADER_16BIT; /* 8 or 16bit resolution */
- absdev = ptr->idd[1] & HIL_IDD_HEADER_ABS;
+ absdev = ptr->idd[1] & HIL_IDD_HEADER_ABS;
for (cnt = 1; i < laxis; i++) {
unsigned int lo,hi,val;
@@ -157,7 +165,8 @@ static void hil_ptr_process_record(struct hil_ptr *ptr)
input_report_abs(dev, ABS_X + i, val);
} else {
val = (int) (((int8_t)lo) | ((int8_t)hi<<8));
- if (i%3) val *= -1;
+ if (i%3)
+ val *= -1;
input_report_rel(dev, REL_X + i, val);
}
}
@@ -168,10 +177,11 @@ static void hil_ptr_process_record(struct hil_ptr *ptr)
btn = ptr->data[cnt++];
up = btn & 1;
btn &= 0xfe;
- if (btn == 0x8e) {
+ if (btn == 0x8e)
continue; /* TODO: proximity == touch? */
- }
- else if ((btn > 0x8c) || (btn < 0x80)) continue;
+ else
+ if ((btn > 0x8c) || (btn < 0x80))
+ continue;
btn = (btn - 0x80) >> 1;
btn = ptr->btnmap[btn];
input_report_key(dev, btn, !up);
@@ -182,14 +192,14 @@ static void hil_ptr_process_record(struct hil_ptr *ptr)
up(&ptr->sem);
}
-static void hil_ptr_process_err(struct hil_ptr *ptr) {
+static void hil_ptr_process_err(struct hil_ptr *ptr)
+{
printk(KERN_WARNING PREFIX "errored HIL packet\n");
ptr->idx4 = 0;
up(&ptr->sem);
- return;
}
-static irqreturn_t hil_ptr_interrupt(struct serio *serio,
+static irqreturn_t hil_ptr_interrupt(struct serio *serio,
unsigned char data, unsigned int flags)
{
struct hil_ptr *ptr;
@@ -197,29 +207,29 @@ static irqreturn_t hil_ptr_interrupt(struct serio *serio,
int idx;
ptr = serio_get_drvdata(serio);
- if (ptr == NULL) {
- BUG();
- return IRQ_HANDLED;
- }
+ BUG_ON(ptr == NULL);
if (ptr->idx4 >= (HIL_PTR_MAX_LENGTH * sizeof(hil_packet))) {
hil_ptr_process_err(ptr);
return IRQ_HANDLED;
}
idx = ptr->idx4/4;
- if (!(ptr->idx4 % 4)) ptr->data[idx] = 0;
+ if (!(ptr->idx4 % 4))
+ ptr->data[idx] = 0;
packet = ptr->data[idx];
packet |= ((hil_packet)data) << ((3 - (ptr->idx4 % 4)) * 8);
ptr->data[idx] = packet;
/* Records of N 4-byte hil_packets must terminate with a command. */
- if ((++(ptr->idx4)) % 4) return IRQ_HANDLED;
+ if ((++(ptr->idx4)) % 4)
+ return IRQ_HANDLED;
if ((packet & 0xffff0000) != HIL_ERR_INT) {
hil_ptr_process_err(ptr);
return IRQ_HANDLED;
}
- if (packet & HIL_PKT_CMD)
+ if (packet & HIL_PKT_CMD)
hil_ptr_process_record(ptr);
+
return IRQ_HANDLED;
}
@@ -228,10 +238,7 @@ static void hil_ptr_disconnect(struct serio *serio)
struct hil_ptr *ptr;
ptr = serio_get_drvdata(serio);
- if (ptr == NULL) {
- BUG();
- return;
- }
+ BUG_ON(ptr == NULL);
serio_close(serio);
input_unregister_device(ptr->dev);
@@ -241,7 +248,7 @@ static void hil_ptr_disconnect(struct serio *serio)
static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
{
struct hil_ptr *ptr;
- char *txt;
+ const char *txt;
unsigned int i, naxsets, btntype;
uint8_t did, *idd;
@@ -252,42 +259,40 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
if (!ptr->dev)
goto bail0;
- ptr->dev->private = ptr;
-
if (serio_open(serio, driver))
goto bail1;
serio_set_drvdata(serio, ptr);
ptr->serio = serio;
- init_MUTEX_LOCKED(&(ptr->sem));
+ init_MUTEX_LOCKED(&ptr->sem);
/* Get device info. MLC driver supplies devid/status/etc. */
serio->write(serio, 0);
serio->write(serio, 0);
serio->write(serio, HIL_PKT_CMD >> 8);
serio->write(serio, HIL_CMD_IDD);
- down(&(ptr->sem));
+ down(&ptr->sem);
serio->write(serio, 0);
serio->write(serio, 0);
serio->write(serio, HIL_PKT_CMD >> 8);
serio->write(serio, HIL_CMD_RSC);
- down(&(ptr->sem));
+ down(&ptr->sem);
serio->write(serio, 0);
serio->write(serio, 0);
serio->write(serio, HIL_PKT_CMD >> 8);
serio->write(serio, HIL_CMD_RNM);
- down(&(ptr->sem));
+ down(&ptr->sem);
serio->write(serio, 0);
serio->write(serio, 0);
serio->write(serio, HIL_PKT_CMD >> 8);
serio->write(serio, HIL_CMD_EXD);
- down(&(ptr->sem));
+ down(&ptr->sem);
- up(&(ptr->sem));
+ up(&ptr->sem);
did = ptr->idd[0];
idd = ptr->idd + 1;
@@ -301,12 +306,12 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
ptr->dev->evbit[0] = BIT(EV_ABS);
txt = "absolute";
}
- if (!ptr->dev->evbit[0]) {
+ if (!ptr->dev->evbit[0])
goto bail2;
- }
ptr->nbtn = HIL_IDD_NUM_BUTTONS(idd);
- if (ptr->nbtn) ptr->dev->evbit[0] |= BIT(EV_KEY);
+ if (ptr->nbtn)
+ ptr->dev->evbit[0] |= BIT(EV_KEY);
naxsets = HIL_IDD_NUM_AXSETS(*idd);
ptr->naxes = HIL_IDD_NUM_AXES_PER_SET(*idd);
@@ -315,7 +320,7 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
did, txt);
printk(KERN_INFO PREFIX "HIL pointer has %i buttons and %i sets of %i axes\n",
ptr->nbtn, naxsets, ptr->naxes);
-
+
btntype = BTN_MISC;
if ((did & HIL_IDD_DID_ABS_TABLET_MASK) == HIL_IDD_DID_ABS_TABLET)
#ifdef TABLET_SIMULATES_MOUSE
@@ -325,7 +330,7 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
#endif
if ((did & HIL_IDD_DID_ABS_TSCREEN_MASK) == HIL_IDD_DID_ABS_TSCREEN)
btntype = BTN_TOUCH;
-
+
if ((did & HIL_IDD_DID_REL_MOUSE_MASK) == HIL_IDD_DID_REL_MOUSE)
btntype = BTN_MOUSE;
@@ -341,12 +346,10 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
}
if ((did & HIL_IDD_DID_TYPE_MASK) == HIL_IDD_DID_TYPE_REL) {
- for (i = 0; i < ptr->naxes; i++) {
+ for (i = 0; i < ptr->naxes; i++)
set_bit(REL_X + i, ptr->dev->relbit);
- }
- for (i = 3; (i < ptr->naxes + 3) && (naxsets > 1); i++) {
+ for (i = 3; (i < ptr->naxes + 3) && (naxsets > 1); i++)
set_bit(REL_X + i, ptr->dev->relbit);
- }
} else {
for (i = 0; i < ptr->naxes; i++) {
set_bit(ABS_X + i, ptr->dev->absbit);
@@ -375,7 +378,7 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
ptr->dev->id.vendor = PCI_VENDOR_ID_HP;
ptr->dev->id.product = 0x0001; /* TODO: get from ptr->rsc */
ptr->dev->id.version = 0x0100; /* TODO: get from ptr->rsc */
- ptr->dev->cdev.dev = &serio->dev;
+ ptr->dev->dev.parent = &serio->dev;
input_register_device(ptr->dev);
printk(KERN_INFO "input: %s (%s), ID: %d\n",
@@ -419,11 +422,11 @@ static int __init hil_ptr_init(void)
{
return serio_register_driver(&hil_ptr_serio_driver);
}
-
+
static void __exit hil_ptr_exit(void)
{
serio_unregister_driver(&hil_ptr_serio_driver);
}
-
+
module_init(hil_ptr_init);
module_exit(hil_ptr_exit);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-11 22:40:23 +0100