57 struct mtouch {  struct
65 static void mtouch_process_format_tablet(struct mtouch *mtouch)  in mtouch_process_format_tablet()  argument
67 	struct input_dev *dev = mtouch->dev;  in mtouch_process_format_tablet()
69 	if (MTOUCH_FORMAT_TABLET_LENGTH == ++mtouch->idx) {  in mtouch_process_format_tablet()
70 		input_report_abs(dev, ABS_X, MTOUCH_GET_XC(mtouch->data));  in mtouch_process_format_tablet()
71 		input_report_abs(dev, ABS_Y, MTOUCH_MAX_YC - MTOUCH_GET_YC(mtouch->data));  in mtouch_process_format_tablet()
72 		input_report_key(dev, BTN_TOUCH, MTOUCH_GET_TOUCHED(mtouch->data));  in mtouch_process_format_tablet()
75 		mtouch->idx = 0;  in mtouch_process_format_tablet()
79 static void mtouch_process_response(struct mtouch *mtouch)  in mtouch_process_response()  argument
81 	if (MTOUCH_RESPONSE_END_BYTE == mtouch->data[mtouch->idx++]) {  in mtouch_process_response()
83 		mtouch->idx = 0;  in mtouch_process_response()
84 	} else if (MTOUCH_MAX_LENGTH == mtouch->idx) {  in mtouch_process_response()
86 		mtouch->idx = 0;  in mtouch_process_response()
93 	struct mtouch* mtouch = serio_get_drvdata(serio);  in mtouch_interrupt()  local
95 	mtouch->data[mtouch->idx] = data;  in mtouch_interrupt()
97 	if (MTOUCH_FORMAT_TABLET_STATUS_BIT & mtouch->data[0])  in mtouch_interrupt()
98 		mtouch_process_format_tablet(mtouch);  in mtouch_interrupt()
99 	else if (MTOUCH_RESPONSE_BEGIN_BYTE == mtouch->data[0])  in mtouch_interrupt()
100 		mtouch_process_response(mtouch);  in mtouch_interrupt()
102 		printk(KERN_DEBUG "mtouch.c: unknown/unsynchronized data from device, byte %x\n",mtouch->data[0]);  in mtouch_interrupt()
113 	struct mtouch* mtouch = serio_get_drvdata(serio);  in mtouch_disconnect()  local
115 	input_get_device(mtouch->dev);  in mtouch_disconnect()
116 	input_unregister_device(mtouch->dev);  in mtouch_disconnect()
119 	input_put_device(mtouch->dev);  in mtouch_disconnect()
120 	kfree(mtouch);  in mtouch_disconnect()
131 	struct mtouch *mtouch;  in mtouch_connect()  local
135 	mtouch = kzalloc(sizeof(struct mtouch), GFP_KERNEL);  in mtouch_connect()
137 	if (!mtouch || !input_dev) {  in mtouch_connect()
142 	mtouch->serio = serio;  in mtouch_connect()
143 	mtouch->dev = input_dev;  in mtouch_connect()
144 	snprintf(mtouch->phys, sizeof(mtouch->phys), "%s/input0", serio->phys);  in mtouch_connect()
147 	input_dev->phys = mtouch->phys;  in mtouch_connect()
155 	input_set_abs_params(mtouch->dev, ABS_X, MTOUCH_MIN_XC, MTOUCH_MAX_XC, 0, 0);  in mtouch_connect()
156 	input_set_abs_params(mtouch->dev, ABS_Y, MTOUCH_MIN_YC, MTOUCH_MAX_YC, 0, 0);  in mtouch_connect()
158 	serio_set_drvdata(serio, mtouch);  in mtouch_connect()
164 	err = input_register_device(mtouch->dev);  in mtouch_connect()
173 	kfree(mtouch);  in mtouch_connect()