aiptek.c

linux 内核源代码

static ssize_t show_tabletToolMode(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct aiptek *aiptek = dev_get_drvdata(dev);

	return snprintf(buf, PAGE_SIZE, "%s\n",
			map_val_to_str(tool_mode_map,
					aiptek->curSetting.toolMode));
}

static ssize_t
store_tabletToolMode(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	struct aiptek *aiptek = dev_get_drvdata(dev);
	int new_mode = map_str_to_val(tool_mode_map, buf, count);

	if (new_mode == AIPTEK_INVALID_VALUE)
		return -EINVAL;

	aiptek->newSetting.toolMode = new_mode;
	return count;
}

static DEVICE_ATTR(tool_mode,
		   S_IRUGO | S_IWUGO,
		   show_tabletToolMode, store_tabletToolMode);

/***********************************************************************
 * support routines for the 'xtilt' file. Note that this file
 * both displays current setting and allows reprogramming.
 */
static ssize_t show_tabletXtilt(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct aiptek *aiptek = dev_get_drvdata(dev);

	if (aiptek->curSetting.xTilt == AIPTEK_TILT_DISABLE) {
		return snprintf(buf, PAGE_SIZE, "disable\n");
	} else {
		return snprintf(buf, PAGE_SIZE, "%d\n",
				aiptek->curSetting.xTilt);
	}
}

static ssize_t
store_tabletXtilt(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	struct aiptek *aiptek = dev_get_drvdata(dev);
	int x;

	if (strcmp(buf, "disable") == 0) {
		aiptek->newSetting.xTilt = AIPTEK_TILT_DISABLE;
	} else {
		x = (int)simple_strtol(buf, NULL, 10);
		if (x >= AIPTEK_TILT_MIN && x <= AIPTEK_TILT_MAX) {
			aiptek->newSetting.xTilt = x;
		}
	}
	return count;
}

static DEVICE_ATTR(xtilt,
		   S_IRUGO | S_IWUGO, show_tabletXtilt, store_tabletXtilt);

/***********************************************************************
 * support routines for the 'ytilt' file. Note that this file
 * both displays current setting and allows reprogramming.
 */
static ssize_t show_tabletYtilt(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct aiptek *aiptek = dev_get_drvdata(dev);

	if (aiptek->curSetting.yTilt == AIPTEK_TILT_DISABLE) {
		return snprintf(buf, PAGE_SIZE, "disable\n");
	} else {
		return snprintf(buf, PAGE_SIZE, "%d\n",
				aiptek->curSetting.yTilt);
	}
}

static ssize_t
store_tabletYtilt(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	struct aiptek *aiptek = dev_get_drvdata(dev);
	int y;

	if (strcmp(buf, "disable") == 0) {
		aiptek->newSetting.yTilt = AIPTEK_TILT_DISABLE;
	} else {
		y = (int)simple_strtol(buf, NULL, 10);
		if (y >= AIPTEK_TILT_MIN && y <= AIPTEK_TILT_MAX) {
			aiptek->newSetting.yTilt = y;
		}
	}
	return count;
}

static DEVICE_ATTR(ytilt,
		   S_IRUGO | S_IWUGO, show_tabletYtilt, store_tabletYtilt);

/***********************************************************************
 * support routines for the 'jitter' file. Note that this file
 * both displays current setting and allows reprogramming.
 */
static ssize_t show_tabletJitterDelay(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct aiptek *aiptek = dev_get_drvdata(dev);

	return snprintf(buf, PAGE_SIZE, "%d\n", aiptek->curSetting.jitterDelay);
}

static ssize_t
store_tabletJitterDelay(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	struct aiptek *aiptek = dev_get_drvdata(dev);

	aiptek->newSetting.jitterDelay = (int)simple_strtol(buf, NULL, 10);
	return count;
}

static DEVICE_ATTR(jitter,
		   S_IRUGO | S_IWUGO,
		   show_tabletJitterDelay, store_tabletJitterDelay);

/***********************************************************************
 * support routines for the 'delay' file. Note that this file
 * both displays current setting and allows reprogramming.
 */
static ssize_t show_tabletProgrammableDelay(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct aiptek *aiptek = dev_get_drvdata(dev);

	return snprintf(buf, PAGE_SIZE, "%d\n",
			aiptek->curSetting.programmableDelay);
}

static ssize_t
store_tabletProgrammableDelay(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	struct aiptek *aiptek = dev_get_drvdata(dev);

	aiptek->newSetting.programmableDelay = (int)simple_strtol(buf, NULL, 10);
	return count;
}

static DEVICE_ATTR(delay,
		   S_IRUGO | S_IWUGO,
		   show_tabletProgrammableDelay, store_tabletProgrammableDelay);

/***********************************************************************
 * support routines for the 'event_count' file. Note that this file
 * only displays current setting.
 */
static ssize_t show_tabletEventsReceived(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct aiptek *aiptek = dev_get_drvdata(dev);

	return snprintf(buf, PAGE_SIZE, "%ld\n", aiptek->eventCount);
}

static DEVICE_ATTR(event_count, S_IRUGO, show_tabletEventsReceived, NULL);

/***********************************************************************
 * support routines for the 'diagnostic' file. Note that this file
 * only displays current setting.
 */
static ssize_t show_tabletDiagnosticMessage(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct aiptek *aiptek = dev_get_drvdata(dev);
	char *retMsg;

	switch (aiptek->diagnostic) {
	case AIPTEK_DIAGNOSTIC_NA:
		retMsg = "no errors\n";
		break;

	case AIPTEK_DIAGNOSTIC_SENDING_RELATIVE_IN_ABSOLUTE:
		retMsg = "Error: receiving relative reports\n";
		break;

	case AIPTEK_DIAGNOSTIC_SENDING_ABSOLUTE_IN_RELATIVE:
		retMsg = "Error: receiving absolute reports\n";
		break;

	case AIPTEK_DIAGNOSTIC_TOOL_DISALLOWED:
		if (aiptek->curSetting.pointerMode ==
		    AIPTEK_POINTER_ONLY_MOUSE_MODE) {
			retMsg = "Error: receiving stylus reports\n";
		} else {
			retMsg = "Error: receiving mouse reports\n";
		}
		break;

	default:
		return 0;
	}
	return snprintf(buf, PAGE_SIZE, retMsg);
}

static DEVICE_ATTR(diagnostic, S_IRUGO, show_tabletDiagnosticMessage, NULL);

/***********************************************************************
 * support routines for the 'stylus_upper' file. Note that this file
 * both displays current setting and allows for setting changing.
 */

static struct aiptek_map stylus_button_map[] = {
	{ "upper",	AIPTEK_STYLUS_UPPER_BUTTON },
	{ "lower",	AIPTEK_STYLUS_LOWER_BUTTON },
	{ NULL,		AIPTEK_INVALID_VALUE }
};

static ssize_t show_tabletStylusUpper(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct aiptek *aiptek = dev_get_drvdata(dev);

	return snprintf(buf, PAGE_SIZE, "%s\n",
			map_val_to_str(stylus_button_map,
					aiptek->curSetting.stylusButtonUpper));
}

static ssize_t
store_tabletStylusUpper(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	struct aiptek *aiptek = dev_get_drvdata(dev);
	int new_button = map_str_to_val(stylus_button_map, buf, count);

	if (new_button == AIPTEK_INVALID_VALUE)
		return -EINVAL;

	aiptek->newSetting.stylusButtonUpper = new_button;
	return count;
}

static DEVICE_ATTR(stylus_upper,
		   S_IRUGO | S_IWUGO,
		   show_tabletStylusUpper, store_tabletStylusUpper);

/***********************************************************************
 * support routines for the 'stylus_lower' file. Note that this file
 * both displays current setting and allows for setting changing.
 */

static ssize_t show_tabletStylusLower(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct aiptek *aiptek = dev_get_drvdata(dev);

	return snprintf(buf, PAGE_SIZE, "%s\n",
			map_val_to_str(stylus_button_map,
					aiptek->curSetting.stylusButtonLower));
}

static ssize_t
store_tabletStylusLower(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	struct aiptek *aiptek = dev_get_drvdata(dev);
	int new_button = map_str_to_val(stylus_button_map, buf, count);

	if (new_button == AIPTEK_INVALID_VALUE)
		return -EINVAL;

	aiptek->newSetting.stylusButtonLower = new_button;
	return count;
}

static DEVICE_ATTR(stylus_lower,
		   S_IRUGO | S_IWUGO,
		   show_tabletStylusLower, store_tabletStylusLower);

/***********************************************************************
 * support routines for the 'mouse_left' file. Note that this file
 * both displays current setting and allows for setting changing.
 */

static struct aiptek_map mouse_button_map[] = {
	{ "left",	AIPTEK_MOUSE_LEFT_BUTTON },
	{ "middle",	AIPTEK_MOUSE_MIDDLE_BUTTON },
	{ "right",	AIPTEK_MOUSE_RIGHT_BUTTON },
	{ NULL,		AIPTEK_INVALID_VALUE }
};

static ssize_t show_tabletMouseLeft(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct aiptek *aiptek = dev_get_drvdata(dev);

	return snprintf(buf, PAGE_SIZE, "%s\n",
			map_val_to_str(mouse_button_map,
					aiptek->curSetting.mouseButtonLeft));
}

static ssize_t
store_tabletMouseLeft(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	struct aiptek *aiptek = dev_get_drvdata(dev);
	int new_button = map_str_to_val(mouse_button_map, buf, count);

	if (new_button == AIPTEK_INVALID_VALUE)
		return -EINVAL;

	aiptek->newSetting.mouseButtonLeft = new_button;
	return count;
}

static DEVICE_ATTR(mouse_left,
		   S_IRUGO | S_IWUGO,
		   show_tabletMouseLeft, store_tabletMouseLeft);

/***********************************************************************
 * support routines for the 'mouse_middle' file. Note that this file
 * both displays current setting and allows for setting changing.
 */
static ssize_t show_tabletMouseMiddle(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct aiptek *aiptek = dev_get_drvdata(dev);

	return snprintf(buf, PAGE_SIZE, "%s\n",
			map_val_to_str(mouse_button_map,
					aiptek->curSetting.mouseButtonMiddle));
}

static ssize_t
store_tabletMouseMiddle(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	struct aiptek *aiptek = dev_get_drvdata(dev);
	int new_button = map_str_to_val(mouse_button_map, buf, count);

	if (new_button == AIPTEK_INVALID_VALUE)
		return -EINVAL;

	aiptek->newSetting.mouseButtonMiddle = new_button;
	return count;
}

static DEVICE_ATTR(mouse_middle,
		   S_IRUGO | S_IWUGO,
		   show_tabletMouseMiddle, store_tabletMouseMiddle);

/***********************************************************************
 * support routines for the 'mouse_right' file. Note that this file
 * both displays current setting and allows for setting changing.
 */
static ssize_t show_tabletMouseRight(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct aiptek *aiptek = dev_get_drvdata(dev);

	return snprintf(buf, PAGE_SIZE, "%s\n",
			map_val_to_str(mouse_button_map,
					aiptek->curSetting.mouseButtonRight));
}

static ssize_t
store_tabletMouseRight(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
	struct aiptek *aiptek = dev_get_drvdata(dev);
	int new_button = map_str_to_val(mouse_button_map, buf, count);

	if (new_button == AIPTEK_INVALID_VALUE)
		return -EINVAL;

	aiptek->newSetting.mouseButtonRight = new_button;
	return count;
}

static DEVICE_ATTR(mouse_right,
		   S_IRUGO | S_IWUGO,
		   show_tabletMouseRight, store_tabletMouseRight);

/***********************************************************************
 * support routines for the 'wheel' file. Note that this file
 * both displays current setting and allows for setting changing.
 */
static ssize_t show_tabletWheel(struct device *dev, struct device_attribute *attr, char *buf)
{
	struct aiptek *aiptek = dev_get_drvdata(dev);

	if (aiptek->curSetting.wheel == AIPTEK_WHEEL_DISABLE) {
		return snprintf(buf, PAGE_SIZE, "disable\n");
	} else {
		return snprintf(buf, PAGE_SIZE, "%d\n",
				aiptek->curSetting.wheel);
	}
}

static ssize_t
store_tabletWheel(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{