53 struct mtouch {  struct
61 static void mtouch_process_format_tablet(struct mtouch *mtouch)  in mtouch_process_format_tablet()  argument
63 	struct input_dev *dev = mtouch->dev;  in mtouch_process_format_tablet()
65 	if (MTOUCH_FORMAT_TABLET_LENGTH == ++mtouch->idx) {  in mtouch_process_format_tablet()
66 		input_report_abs(dev, ABS_X, MTOUCH_GET_XC(mtouch->data));  in mtouch_process_format_tablet()
67 		input_report_abs(dev, ABS_Y, MTOUCH_MAX_YC - MTOUCH_GET_YC(mtouch->data));  in mtouch_process_format_tablet()
68 		input_report_key(dev, BTN_TOUCH, MTOUCH_GET_TOUCHED(mtouch->data));  in mtouch_process_format_tablet()
71 		mtouch->idx = 0;  in mtouch_process_format_tablet()
75 static void mtouch_process_response(struct mtouch *mtouch)  in mtouch_process_response()  argument
77 	if (MTOUCH_RESPONSE_END_BYTE == mtouch->data[mtouch->idx++]) {  in mtouch_process_response()
79 		mtouch->idx = 0;  in mtouch_process_response()
80 	} else if (MTOUCH_MAX_LENGTH == mtouch->idx) {  in mtouch_process_response()
82 		mtouch->idx = 0;  in mtouch_process_response()
89 	struct mtouch *mtouch = serio_get_drvdata(serio);  in mtouch_interrupt()  local
91 	mtouch->data[mtouch->idx] = data;  in mtouch_interrupt()
93 	if (MTOUCH_FORMAT_TABLET_STATUS_BIT & mtouch->data[0])  in mtouch_interrupt()
94 		mtouch_process_format_tablet(mtouch);  in mtouch_interrupt()
95 	else if (MTOUCH_RESPONSE_BEGIN_BYTE == mtouch->data[0])  in mtouch_interrupt()
96 		mtouch_process_response(mtouch);  in mtouch_interrupt()
98 		printk(KERN_DEBUG "mtouch.c: unknown/unsynchronized data from device, byte %x\n",mtouch->data[0]);  in mtouch_interrupt()
109 	struct mtouch *mtouch = serio_get_drvdata(serio);  in mtouch_disconnect()  local
111 	input_get_device(mtouch->dev);  in mtouch_disconnect()
112 	input_unregister_device(mtouch->dev);  in mtouch_disconnect()
115 	input_put_device(mtouch->dev);  in mtouch_disconnect()
116 	kfree(mtouch);  in mtouch_disconnect()
127 	struct mtouch *mtouch;  in mtouch_connect()  local
131 	mtouch = kzalloc(sizeof(struct mtouch), GFP_KERNEL);  in mtouch_connect()
133 	if (!mtouch || !input_dev) {  in mtouch_connect()
138 	mtouch->serio = serio;  in mtouch_connect()
139 	mtouch->dev = input_dev;  in mtouch_connect()
140 	snprintf(mtouch->phys, sizeof(mtouch->phys), "%s/input0", serio->phys);  in mtouch_connect()
143 	input_dev->phys = mtouch->phys;  in mtouch_connect()
151 	input_set_abs_params(mtouch->dev, ABS_X, MTOUCH_MIN_XC, MTOUCH_MAX_XC, 0, 0);  in mtouch_connect()
152 	input_set_abs_params(mtouch->dev, ABS_Y, MTOUCH_MIN_YC, MTOUCH_MAX_YC, 0, 0);  in mtouch_connect()
154 	serio_set_drvdata(serio, mtouch);  in mtouch_connect()
160 	err = input_register_device(mtouch->dev);  in mtouch_connect()
169 	kfree(mtouch);  in mtouch_connect()