1 files changed, 398 insertions, 209 deletions

diff --git a/drivers/input/keyboard/hil_kbd.c b/drivers/input/keyboard/hil_kbd.c
index 6f356705ee3b..c83f4b2ec7d3 100644
--- a/drivers/input/keyboard/hil_kbd.c
+++ b/drivers/input/keyboard/hil_kbd.c
@@ -37,19 +37,19 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
-#include <linux/semaphore.h>
+#include <linux/completion.h>
 #include <linux/slab.h>
 #include <linux/pci_ids.h>
 
-#define PREFIX "HIL KEYB: "
-#define HIL_GENERIC_NAME "HIL keyboard"
+#define PREFIX "HIL: "
 
 MODULE_AUTHOR("Brian S. Julin <bri@calyx.com>");
-MODULE_DESCRIPTION(HIL_GENERIC_NAME " driver");
+MODULE_DESCRIPTION("HIL keyboard/mouse driver");
 MODULE_LICENSE("Dual BSD/GPL");
-MODULE_ALIAS("serio:ty03pr25id00ex*");
+MODULE_ALIAS("serio:ty03pr25id00ex*"); /* HIL keyboard */
+MODULE_ALIAS("serio:ty03pr25id0Fex*"); /* HIL mouse */
 
-#define HIL_KBD_MAX_LENGTH 16
+#define HIL_PACKET_MAX_LENGTH 16
 
 #define HIL_KBD_SET1_UPBIT 0x01
 #define HIL_KBD_SET1_SHIFT 1
@@ -67,308 +67,497 @@ static unsigned int hil_kbd_set3[HIL_KEYCODES_SET3_TBLSIZE] __read_mostly =
 
 static const char hil_language[][16] = { HIL_LOCALE_MAP };
 
-struct hil_kbd {
+struct hil_dev {
 	struct input_dev *dev;
 	struct serio *serio;
 
 	/* Input buffer and index for packets from HIL bus. */
-	hil_packet data[HIL_KBD_MAX_LENGTH];
+	hil_packet data[HIL_PACKET_MAX_LENGTH];
 	int idx4; /* four counts per packet */
 
 	/* Raw device info records from HIL bus, see hil.h for fields. */
-	char	idd[HIL_KBD_MAX_LENGTH];	/* DID byte and IDD record */
-	char	rsc[HIL_KBD_MAX_LENGTH];	/* RSC record */
-	char	exd[HIL_KBD_MAX_LENGTH];	/* EXD record */
-	char	rnm[HIL_KBD_MAX_LENGTH + 1];	/* RNM record + NULL term. */
+	char	idd[HIL_PACKET_MAX_LENGTH];	/* DID byte and IDD record */
+	char	rsc[HIL_PACKET_MAX_LENGTH];	/* RSC record */
+	char	exd[HIL_PACKET_MAX_LENGTH];	/* EXD record */
+	char	rnm[HIL_PACKET_MAX_LENGTH + 1];	/* RNM record + NULL term. */
 
-	/* Something to sleep around with. */
-	struct semaphore sem;
+	struct completion cmd_done;
+
+	bool is_pointer;
+	/* Extra device details needed for pointing devices. */
+	unsigned int nbtn, naxes;
+	unsigned int btnmap[7];
 };
 
-/* Process a complete packet after transfer from the HIL */
-static void hil_kbd_process_record(struct hil_kbd *kbd)
+static bool hil_dev_is_command_response(hil_packet p)
 {
-	struct input_dev *dev = kbd->dev;
-	hil_packet *data = kbd->data;
-	hil_packet p;
-	int idx, i, cnt;
+	if ((p & ~HIL_CMDCT_POL) == (HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_POL))
+		return false;
 
-	idx = kbd->idx4/4;
-	p = data[idx - 1];
+	if ((p & ~HIL_CMDCT_RPL) == (HIL_ERR_INT | HIL_PKT_CMD | HIL_CMD_RPL))
+		return false;
 
-	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;
+	return true;
+}
+
+static void hil_dev_handle_command_response(struct hil_dev *dev)
+{
+	hil_packet p;
+	char *buf;
+	int i, idx;
+
+	idx = dev->idx4 / 4;
+	p = dev->data[idx - 1];
 
-	/* Not a poll response.  See if we are loading config records. */
 	switch (p & HIL_PKT_DATA_MASK) {
 	case HIL_CMD_IDD:
-		for (i = 0; i < idx; i++)
-			kbd->idd[i] = kbd->data[i] & HIL_PKT_DATA_MASK;
-		for (; i < HIL_KBD_MAX_LENGTH; i++)
-			kbd->idd[i] = 0;
+		buf = dev->idd;
 		break;
 
 	case HIL_CMD_RSC:
-		for (i = 0; i < idx; i++)
-			kbd->rsc[i] = kbd->data[i] & HIL_PKT_DATA_MASK;
-		for (; i < HIL_KBD_MAX_LENGTH; i++)
-			kbd->rsc[i] = 0;
+		buf = dev->rsc;
 		break;
 
 	case HIL_CMD_EXD:
-		for (i = 0; i < idx; i++)
-			kbd->exd[i] = kbd->data[i] & HIL_PKT_DATA_MASK;
-		for (; i < HIL_KBD_MAX_LENGTH; i++)
-			kbd->exd[i] = 0;
+		buf = dev->exd;
 		break;
 
 	case HIL_CMD_RNM:
-		for (i = 0; i < idx; i++)
-			kbd->rnm[i] = kbd->data[i] & HIL_PKT_DATA_MASK;
-		for (; i < HIL_KBD_MAX_LENGTH + 1; i++)
-			kbd->rnm[i] = '\0';
+		dev->rnm[HIL_PACKET_MAX_LENGTH] = 0;
+		buf = dev->rnm;
 		break;
 
 	default:
 		/* These occur when device isn't present */
-		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;
+		if (p != (HIL_ERR_INT | HIL_PKT_CMD)) {
+			/* Anything else we'd like to know about. */
+			printk(KERN_WARNING PREFIX "Device sent unknown record %x\n", p);
+		}
+		goto out;
 	}
-	goto out;
 
- report:
-	cnt = 1;
+	for (i = 0; i < idx; i++)
+		buf[i] = dev->data[i] & HIL_PKT_DATA_MASK;
+	for (; i < HIL_PACKET_MAX_LENGTH; i++)
+		buf[i] = 0;
+ out:
+	complete(&dev->cmd_done);
+}
+
+static void hil_dev_handle_kbd_events(struct hil_dev *kbd)
+{
+	struct input_dev *dev = kbd->dev;
+	int idx = kbd->idx4 / 4;
+	int i;
+
 	switch (kbd->data[0] & HIL_POL_CHARTYPE_MASK) {
 	case HIL_POL_CHARTYPE_NONE:
-		break;
+		return;
 
 	case HIL_POL_CHARTYPE_ASCII:
-		while (cnt < idx - 1)
-			input_report_key(dev, kbd->data[cnt++] & 0x7f, 1);
+		for (i = 1; i < idx - 1; i++)
+			input_report_key(dev, kbd->data[i] & 0x7f, 1);
 		break;
 
 	case HIL_POL_CHARTYPE_RSVD1:
 	case HIL_POL_CHARTYPE_RSVD2:
 	case HIL_POL_CHARTYPE_BINARY:
-		while (cnt < idx - 1)
-			input_report_key(dev, kbd->data[cnt++], 1);
+		for (i = 1; i < idx - 1; i++)
+			input_report_key(dev, kbd->data[i], 1);
 		break;
 
 	case HIL_POL_CHARTYPE_SET1:
-		while (cnt < idx - 1) {
-			unsigned int key;
-			int up;
-			key = kbd->data[cnt++];
-			up = key & HIL_KBD_SET1_UPBIT;
+		for (i = 1; i < idx - 1; i++) {
+			unsigned int key = kbd->data[i];
+			int up = key & HIL_KBD_SET1_UPBIT;
+
 			key &= (~HIL_KBD_SET1_UPBIT & 0xff);
 			key = hil_kbd_set1[key >> HIL_KBD_SET1_SHIFT];
-			if (key != KEY_RESERVED)
-				input_report_key(dev, key, !up);
+			input_report_key(dev, key, !up);
 		}
 		break;
 
 	case HIL_POL_CHARTYPE_SET2:
-		while (cnt < idx - 1) {
-			unsigned int key;
-			int up;
-			key = kbd->data[cnt++];
-			up = key & HIL_KBD_SET2_UPBIT;
+		for (i = 1; i < idx - 1; i++) {
+			unsigned int key = kbd->data[i];
+			int up = key & HIL_KBD_SET2_UPBIT;
+
 			key &= (~HIL_KBD_SET1_UPBIT & 0xff);
 			key = key >> HIL_KBD_SET2_SHIFT;
-			if (key != KEY_RESERVED)
-				input_report_key(dev, key, !up);
+			input_report_key(dev, key, !up);
 		}
 		break;
 
 	case HIL_POL_CHARTYPE_SET3:
-		while (cnt < idx - 1) {
-			unsigned int key;
-			int up;
-			key = kbd->data[cnt++];
-			up = key & HIL_KBD_SET3_UPBIT;
+		for (i = 1; i < idx - 1; i++) {
+			unsigned int key = kbd->data[i];
+			int up = key & HIL_KBD_SET3_UPBIT;
+
 			key &= (~HIL_KBD_SET1_UPBIT & 0xff);
 			key = hil_kbd_set3[key >> HIL_KBD_SET3_SHIFT];
-			if (key != KEY_RESERVED)
-				input_report_key(dev, key, !up);
+			input_report_key(dev, key, !up);
 		}
 		break;
 	}
- out:
-	kbd->idx4 = 0;
-	up(&kbd->sem);
+
+	input_sync(dev);
 }
 
-static void hil_kbd_process_err(struct hil_kbd *kbd)
+static void hil_dev_handle_ptr_events(struct hil_dev *ptr)
+{
+	struct input_dev *dev = ptr->dev;
+	int idx = ptr->idx4 / 4;
+	hil_packet p = ptr->data[idx - 1];
+	int i, cnt, laxis;
+	bool absdev, ax16;
+
+	if ((p & HIL_CMDCT_POL) != idx - 1) {
+		printk(KERN_WARNING PREFIX
+			"Malformed poll packet %x (idx = %i)\n", p, idx);
+		return;
+	}
+
+	i = (p & HIL_POL_AXIS_ALT) ? 3 : 0;
+	laxis = (p & HIL_POL_NUM_AXES_MASK) + i;
+
+	ax16 = ptr->idd[1] & HIL_IDD_HEADER_16BIT; /* 8 or 16bit resolution */
+	absdev = ptr->idd[1] & HIL_IDD_HEADER_ABS;
+
+	for (cnt = 1; i < laxis; i++) {
+		unsigned int lo, hi, val;
+
+		lo = ptr->data[cnt++] & HIL_PKT_DATA_MASK;
+		hi = ax16 ? (ptr->data[cnt++] & HIL_PKT_DATA_MASK) : 0;
+
+		if (absdev) {
+			val = lo + (hi << 8);
+#ifdef TABLET_AUTOADJUST
+			if (val < dev->absmin[ABS_X + i])
+				dev->absmin[ABS_X + i] = val;
+			if (val > dev->absmax[ABS_X + i])
+				dev->absmax[ABS_X + i] = val;
+#endif
+			if (i%3) val = dev->absmax[ABS_X + i] - val;
+			input_report_abs(dev, ABS_X + i, val);
+		} else {
+			val = (int) (((int8_t)lo) | ((int8_t)hi << 8));
+			if (i % 3)
+				val *= -1;
+			input_report_rel(dev, REL_X + i, val);
+		}
+	}
+
+	while (cnt < idx - 1) {
+		unsigned int btn = ptr->data[cnt++];
+		int up = btn & 1;
+
+		btn &= 0xfe;
+		if (btn == 0x8e)
+			continue; /* TODO: proximity == touch? */
+		if (btn > 0x8c || btn < 0x80)
+			continue;
+		btn = (btn - 0x80) >> 1;
+		btn = ptr->btnmap[btn];
+		input_report_key(dev, btn, !up);
+	}
+
+	input_sync(dev);
+}
+
+static void hil_dev_process_err(struct hil_dev *dev)
 {
 	printk(KERN_WARNING PREFIX "errored HIL packet\n");
-	kbd->idx4 = 0;
-	up(&kbd->sem);
+	dev->idx4 = 0;
+	complete(&dev->cmd_done); /* just in case somebody is waiting */
 }
 
-static irqreturn_t hil_kbd_interrupt(struct serio *serio,
+static irqreturn_t hil_dev_interrupt(struct serio *serio,
 				unsigned char data, unsigned int flags)
 {
-	struct hil_kbd *kbd;
+	struct hil_dev *dev;
 	hil_packet packet;
 	int idx;
 
-	kbd = serio_get_drvdata(serio);
-	BUG_ON(kbd == NULL);
+	dev = serio_get_drvdata(serio);
+	BUG_ON(dev == NULL);
 
-	if (kbd->idx4 >= (HIL_KBD_MAX_LENGTH * sizeof(hil_packet))) {
-		hil_kbd_process_err(kbd);
-		return IRQ_HANDLED;
+	if (dev->idx4 >= HIL_PACKET_MAX_LENGTH * sizeof(hil_packet)) {
+		hil_dev_process_err(dev);
+		goto out;
 	}
-	idx = kbd->idx4/4;
-	if (!(kbd->idx4 % 4))
-		kbd->data[idx] = 0;
-	packet = kbd->data[idx];
-	packet |= ((hil_packet)data) << ((3 - (kbd->idx4 % 4)) * 8);
-	kbd->data[idx] = packet;
+
+	idx = dev->idx4 / 4;
+	if (!(dev->idx4 % 4))
+		dev->data[idx] = 0;
+	packet = dev->data[idx];
+	packet |= ((hil_packet)data) << ((3 - (dev->idx4 % 4)) * 8);
+	dev->data[idx] = packet;
 
 	/* Records of N 4-byte hil_packets must terminate with a command. */
-	if ((++(kbd->idx4)) % 4)
-		return IRQ_HANDLED;
-	if ((packet & 0xffff0000) != HIL_ERR_INT) {
-		hil_kbd_process_err(kbd);
-		return IRQ_HANDLED;
+	if ((++dev->idx4 % 4) == 0) {
+		if ((packet & 0xffff0000) != HIL_ERR_INT) {
+			hil_dev_process_err(dev);
+		} else if (packet & HIL_PKT_CMD) {
+			if (hil_dev_is_command_response(packet))
+				hil_dev_handle_command_response(dev);
+			else if (dev->is_pointer)
+				hil_dev_handle_ptr_events(dev);
+			else
+				hil_dev_handle_kbd_events(dev);
+			dev->idx4 = 0;
+		}
 	}
-	if (packet & HIL_PKT_CMD)
-		hil_kbd_process_record(kbd);
+ out:
 	return IRQ_HANDLED;
 }
 
-static void hil_kbd_disconnect(struct serio *serio)
+static void hil_dev_disconnect(struct serio *serio)
 {
-	struct hil_kbd *kbd;
+	struct hil_dev *dev = serio_get_drvdata(serio);
 
-	kbd = serio_get_drvdata(serio);
-	BUG_ON(kbd == NULL);
+	BUG_ON(dev == NULL);
 
 	serio_close(serio);
-	input_unregister_device(kbd->dev);
-	kfree(kbd);
+	input_unregister_device(dev->dev);
+	serio_set_drvdata(serio, NULL);
+	kfree(dev);
+}
+
+static void hil_dev_keyboard_setup(struct hil_dev *kbd)
+{
+	struct input_dev *input_dev = kbd->dev;
+	uint8_t did = kbd->idd[0];
+	int i;
+
+	input_dev->evbit[0]	= BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
+	input_dev->ledbit[0]	= BIT_MASK(LED_NUML) | BIT_MASK(LED_CAPSL) |
+				  BIT_MASK(LED_SCROLLL);
+
+	for (i = 0; i < 128; i++) {
+		__set_bit(hil_kbd_set1[i], input_dev->keybit);
+		__set_bit(hil_kbd_set3[i], input_dev->keybit);
+	}
+	__clear_bit(KEY_RESERVED, input_dev->keybit);
+
+	input_dev->keycodemax	= HIL_KEYCODES_SET1_TBLSIZE;
+	input_dev->keycodesize	= sizeof(hil_kbd_set1[0]);
+	input_dev->keycode	= hil_kbd_set1;
+
+	input_dev->name	= strlen(kbd->rnm) ? kbd->rnm : "HIL keyboard";
+	input_dev->phys	= "hpkbd/input0";
+
+	printk(KERN_INFO PREFIX "HIL keyboard found (did = 0x%02x, lang = %s)\n",
+		did, hil_language[did & HIL_IDD_DID_TYPE_KB_LANG_MASK]);
 }
 
-static int hil_kbd_connect(struct serio *serio, struct serio_driver *drv)
+static void hil_dev_pointer_setup(struct hil_dev *ptr)
 {
-	struct hil_kbd	*kbd;
-	uint8_t		did, *idd;
-	int		i;
+	struct input_dev *input_dev = ptr->dev;
+	uint8_t did = ptr->idd[0];
+	uint8_t *idd = ptr->idd + 1;
+	unsigned int naxsets = HIL_IDD_NUM_AXSETS(*idd);
+	unsigned int i, btntype;
+	const char *txt;
+
+	ptr->naxes = HIL_IDD_NUM_AXES_PER_SET(*idd);
+
+	switch (did & HIL_IDD_DID_TYPE_MASK) {
+	case HIL_IDD_DID_TYPE_REL:
+		input_dev->evbit[0] = BIT_MASK(EV_REL);
 
-	kbd = kzalloc(sizeof(*kbd), GFP_KERNEL);
-	if (!kbd)
-		return -ENOMEM;
+		for (i = 0; i < ptr->naxes; i++)
+			__set_bit(REL_X + i, input_dev->relbit);
 
-	kbd->dev = input_allocate_device();
-	if (!kbd->dev)
+		for (i = 3; naxsets > 1 && i < ptr->naxes + 3; i++)
+			__set_bit(REL_X + i, input_dev->relbit);
+
+		txt = "relative";
+		break;
+
+	case HIL_IDD_DID_TYPE_ABS:
+		input_dev->evbit[0] = BIT_MASK(EV_ABS);
+
+		for (i = 0; i < ptr->naxes; i++)
+			input_set_abs_params(input_dev, ABS_X + i,
+					0, HIL_IDD_AXIS_MAX(idd, i), 0, 0);
+
+		for (i = 3; naxsets > 1 && i < ptr->naxes + 3; i++)
+			input_set_abs_params(input_dev, ABS_X + i,
+					0, HIL_IDD_AXIS_MAX(idd, i - 3), 0, 0);
+
+#ifdef TABLET_AUTOADJUST
+		for (i = 0; i < ABS_MAX; i++) {
+			int diff = input_dev->absmax[ABS_X + i] / 10;
+			input_dev->absmin[ABS_X + i] += diff;
+			input_dev->absmax[ABS_X + i] -= diff;
+		}
+#endif
+
+		txt = "absolute";
+		break;
+
+	default:
+		BUG();
+	}
+
+	ptr->nbtn = HIL_IDD_NUM_BUTTONS(idd);
+	if (ptr->nbtn)
+		input_dev->evbit[0] |= BIT_MASK(EV_KEY);
+
+	btntype = BTN_MISC;
+	if ((did & HIL_IDD_DID_ABS_TABLET_MASK) == HIL_IDD_DID_ABS_TABLET)
+#ifdef TABLET_SIMULATES_MOUSE
+		btntype = BTN_TOUCH;
+#else
+		btntype = BTN_DIGI;
+#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;
+
+	for (i = 0; i < ptr->nbtn; i++) {
+		__set_bit(btntype | i, input_dev->keybit);
+		ptr->btnmap[i] = btntype | i;
+	}
+
+	if (btntype == BTN_MOUSE) {
+		/* Swap buttons 2 and 3 */
+		ptr->btnmap[1] = BTN_MIDDLE;
+		ptr->btnmap[2] = BTN_RIGHT;
+	}
+
+	input_dev->name = strlen(ptr->rnm) ? ptr->rnm : "HIL pointer device";
+
+	printk(KERN_INFO PREFIX
+		"HIL pointer device found (did: 0x%02x, axis: %s)\n",
+		did, txt);
+	printk(KERN_INFO PREFIX
+		"HIL pointer has %i buttons and %i sets of %i axes\n",
+		ptr->nbtn, naxsets, ptr->naxes);
+}
+
+static int hil_dev_connect(struct serio *serio, struct serio_driver *drv)
+{
+	struct hil_dev *dev;
+	struct input_dev *input_dev;
+	uint8_t did, *idd;
+	int error;
+
+	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+	input_dev = input_allocate_device();
+	if (!dev || !input_dev) {
+		error = -ENOMEM;
 		goto bail0;
+	}
 
-	if (serio_open(serio, drv))
-		goto bail1;
+	dev->serio = serio;
+	dev->dev = input_dev;
 
-	serio_set_drvdata(serio, kbd);
-	kbd->serio = serio;
+	error = serio_open(serio, drv);
+	if (error)
+		goto bail0;
 
-	init_MUTEX_LOCKED(&kbd->sem);
+	serio_set_drvdata(serio, dev);
 
 	/* 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(&kbd->sem);
-
-	serio->write(serio, 0);
-	serio->write(serio, 0);
-	serio->write(serio, HIL_PKT_CMD >> 8);
-	serio->write(serio, HIL_CMD_RSC);
-	down(&kbd->sem);
-
-	serio->write(serio, 0);
-	serio->write(serio, 0);
-	serio->write(serio, HIL_PKT_CMD >> 8);
-	serio->write(serio, HIL_CMD_RNM);
-	down(&kbd->sem);
-
-	serio->write(serio, 0);
-	serio->write(serio, 0);
-	serio->write(serio, HIL_PKT_CMD >> 8);
-	serio->write(serio, HIL_CMD_EXD);
-	down(&kbd->sem);
-
-	up(&kbd->sem);
-
-	did = kbd->idd[0];
-	idd = kbd->idd + 1;
+	init_completion(&dev->cmd_done);
+	serio_write(serio, 0);
+	serio_write(serio, 0);
+	serio_write(serio, HIL_PKT_CMD >> 8);
+	serio_write(serio, HIL_CMD_IDD);
+	error = wait_for_completion_killable(&dev->cmd_done);
+	if (error)
+		goto bail1;
+
+	init_completion(&dev->cmd_done);
+	serio_write(serio, 0);
+	serio_write(serio, 0);
+	serio_write(serio, HIL_PKT_CMD >> 8);
+	serio_write(serio, HIL_CMD_RSC);
+	error = wait_for_completion_killable(&dev->cmd_done);
+	if (error)
+		goto bail1;
+
+	init_completion(&dev->cmd_done);
+	serio_write(serio, 0);
+	serio_write(serio, 0);
+	serio_write(serio, HIL_PKT_CMD >> 8);
+	serio_write(serio, HIL_CMD_RNM);
+	error = wait_for_completion_killable(&dev->cmd_done);
+	if (error)
+		goto bail1;
+
+	init_completion(&dev->cmd_done);
+	serio_write(serio, 0);
+	serio_write(serio, 0);
+	serio_write(serio, HIL_PKT_CMD >> 8);
+	serio_write(serio, HIL_CMD_EXD);
+	error = wait_for_completion_killable(&dev->cmd_done);
+	if (error)
+		goto bail1;
+
+	did = dev->idd[0];
+	idd = dev->idd + 1;
+
 	switch (did & HIL_IDD_DID_TYPE_MASK) {
 	case HIL_IDD_DID_TYPE_KB_INTEGRAL:
 	case HIL_IDD_DID_TYPE_KB_ITF:
 	case HIL_IDD_DID_TYPE_KB_RSVD:
 	case HIL_IDD_DID_TYPE_CHAR:
-		printk(KERN_INFO PREFIX "HIL keyboard found (did = 0x%02x, lang = %s)\n",
-			did, hil_language[did & HIL_IDD_DID_TYPE_KB_LANG_MASK]);
-		break;
-	default:
-		goto bail2;
-	}
+		if (HIL_IDD_NUM_BUTTONS(idd) ||
+		    HIL_IDD_NUM_AXES_PER_SET(*idd)) {
+			printk(KERN_INFO PREFIX
+				"combo devices are not supported.\n");
+			goto bail1;
+		}
 
-	if (HIL_IDD_NUM_BUTTONS(idd) || HIL_IDD_NUM_AXES_PER_SET(*idd)) {
-		printk(KERN_INFO PREFIX "keyboards only, no combo devices supported.\n");
-		goto bail2;
-	}
+		dev->is_pointer = false;
+		hil_dev_keyboard_setup(dev);
+		break;
 
-	kbd->dev->evbit[0]	= BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
-	kbd->dev->ledbit[0]	= BIT_MASK(LED_NUML) | BIT_MASK(LED_CAPSL) |
-		BIT_MASK(LED_SCROLLL);
-	kbd->dev->keycodemax	= HIL_KEYCODES_SET1_TBLSIZE;
-	kbd->dev->keycodesize	= sizeof(hil_kbd_set1[0]);
-	kbd->dev->keycode	= hil_kbd_set1;
-	kbd->dev->name		= strlen(kbd->rnm) ? kbd->rnm : HIL_GENERIC_NAME;
-	kbd->dev->phys		= "hpkbd/input0";	/* XXX */
-
-	kbd->dev->id.bustype	= BUS_HIL;
-	kbd->dev->id.vendor	= PCI_VENDOR_ID_HP;
-	kbd->dev->id.product	= 0x0001; /* TODO: get from kbd->rsc */
-	kbd->dev->id.version	= 0x0100; /* TODO: get from kbd->rsc */
-	kbd->dev->dev.parent	= &serio->dev;
+	case HIL_IDD_DID_TYPE_REL:
+	case HIL_IDD_DID_TYPE_ABS:
+		dev->is_pointer = true;
+		hil_dev_pointer_setup(dev);
+		break;
 
-	for (i = 0; i < 128; i++) {
-		set_bit(hil_kbd_set1[i], kbd->dev->keybit);
-		set_bit(hil_kbd_set3[i], kbd->dev->keybit);
+	default:
+		goto bail1;
 	}
-	clear_bit(0, kbd->dev->keybit);
 
-	input_register_device(kbd->dev);
-	printk(KERN_INFO "input: %s, ID: %d\n",
-		kbd->dev->name, did);
+	input_dev->id.bustype	= BUS_HIL;
+	input_dev->id.vendor	= PCI_VENDOR_ID_HP;
+	input_dev->id.product	= 0x0001; /* TODO: get from kbd->rsc */
+	input_dev->id.version	= 0x0100; /* TODO: get from kbd->rsc */
+	input_dev->dev.parent	= &serio->dev;
+
+	if (!dev->is_pointer) {
+		serio_write(serio, 0);
+		serio_write(serio, 0);
+		serio_write(serio, HIL_PKT_CMD >> 8);
+		/* Enable Keyswitch Autorepeat 1 */
+		serio_write(serio, HIL_CMD_EK1);
+		/* No need to wait for completion */
+	}
 
-	serio->write(serio, 0);
-	serio->write(serio, 0);
-	serio->write(serio, HIL_PKT_CMD >> 8);
-	serio->write(serio, HIL_CMD_EK1); /* Enable Keyswitch Autorepeat 1 */
-	down(&kbd->sem);
-	up(&kbd->sem);
+	error = input_register_device(input_dev);
+	if (error)
+		goto bail1;
 
 	return 0;
- bail2:
+
+ bail1:
 	serio_close(serio);
 	serio_set_drvdata(serio, NULL);
- bail1:
-	input_free_device(kbd->dev);
  bail0:
-	kfree(kbd);
-	return -EIO;
+	input_free_device(input_dev);
+	kfree(dev);
+	return error;
 }
 
-static struct serio_device_id hil_kbd_ids[] = {
+static struct serio_device_id hil_dev_ids[] = {
 	{
 		.type = SERIO_HIL_MLC,
 		.proto = SERIO_HIL,
@@ -378,26 +567,26 @@ static struct serio_device_id hil_kbd_ids[] = {
 	{ 0 }
 };
 
-static struct serio_driver hil_kbd_serio_drv = {
+static struct serio_driver hil_serio_drv = {
 	.driver		= {
-		.name	= "hil_kbd",
+		.name	= "hil_dev",
 	},
-	.description	= "HP HIL keyboard driver",
-	.id_table	= hil_kbd_ids,
-	.connect	= hil_kbd_connect,
-	.disconnect	= hil_kbd_disconnect,
-	.interrupt	= hil_kbd_interrupt
+	.description	= "HP HIL keyboard/mouse/tablet driver",
+	.id_table	= hil_dev_ids,
+	.connect	= hil_dev_connect,
+	.disconnect	= hil_dev_disconnect,
+	.interrupt	= hil_dev_interrupt
 };
 
-static int __init hil_kbd_init(void)
+static int __init hil_dev_init(void)
 {
-	return serio_register_driver(&hil_kbd_serio_drv);
+	return serio_register_driver(&hil_serio_drv);
 }
 
-static void __exit hil_kbd_exit(void)
+static void __exit hil_dev_exit(void)
 {
-	serio_unregister_driver(&hil_kbd_serio_drv);
+	serio_unregister_driver(&hil_serio_drv);
 }
 
-module_init(hil_kbd_init);
-module_exit(hil_kbd_exit);
+module_init(hil_dev_init);
+module_exit(hil_dev_exit);