12 #include <linux/serio.h>
26 	struct serio *serio;  member
36 	struct serio *mx_serio;
62 MODULE_DEVICE_TABLE(serio, ps2mult_serio_ids);
66 	struct serio *mx_serio = psm->mx_serio;  in ps2mult_select_port()
73 static int ps2mult_serio_write(struct serio *serio, unsigned char data)  in ps2mult_serio_write()  argument
75 	struct serio *mx_port = serio->parent;  in ps2mult_serio_write()
77 	struct ps2mult_port *port = serio->port_data;  in ps2mult_serio_write()
87 	dev_dbg(&serio->dev,  in ps2mult_serio_write()
98 static int ps2mult_serio_start(struct serio *serio)  in ps2mult_serio_start()  argument
100 	struct ps2mult *psm = serio_get_drvdata(serio->parent);  in ps2mult_serio_start()
101 	struct ps2mult_port *port = serio->port_data;  in ps2mult_serio_start()
110 static void ps2mult_serio_stop(struct serio *serio)  in ps2mult_serio_stop()  argument
112 	struct ps2mult *psm = serio_get_drvdata(serio->parent);  in ps2mult_serio_stop()
113 	struct ps2mult_port *port = serio->port_data;  in ps2mult_serio_stop()
122 	struct serio *mx_serio = psm->mx_serio;  in ps2mult_create_port()
123 	struct serio *serio;  in ps2mult_create_port()  local
125 	serio = kzalloc(sizeof(*serio), GFP_KERNEL);  in ps2mult_create_port()
126 	if (!serio)  in ps2mult_create_port()
129 	strscpy(serio->name, "TQC PS/2 Multiplexer", sizeof(serio->name));  in ps2mult_create_port()
130 	snprintf(serio->phys, sizeof(serio->phys),  in ps2mult_create_port()
132 	serio->id.type = SERIO_8042;  in ps2mult_create_port()
133 	serio->write = ps2mult_serio_write;  in ps2mult_create_port()
134 	serio->start = ps2mult_serio_start;  in ps2mult_create_port()
135 	serio->stop = ps2mult_serio_stop;  in ps2mult_create_port()
136 	serio->parent = psm->mx_serio;  in ps2mult_create_port()
137 	serio->port_data = &psm->ports[i];  in ps2mult_create_port()
139 	psm->ports[i].serio = serio;  in ps2mult_create_port()
154 static int ps2mult_connect(struct serio *serio, struct serio_driver *drv)  in ps2mult_connect()  argument
160 	if (!serio->write)  in ps2mult_connect()
168 	psm->mx_serio = serio;  in ps2mult_connect()
179 	serio_set_drvdata(serio, psm);  in ps2mult_connect()
180 	error = serio_open(serio, drv);  in ps2mult_connect()
187 		struct serio *s = psm->ports[i].serio;  in ps2mult_connect()
189 		dev_info(&serio->dev, "%s port at %s\n", s->name, serio->phys);  in ps2mult_connect()
197 		kfree(psm->ports[i].serio);  in ps2mult_connect()
202 static void ps2mult_disconnect(struct serio *serio)  in ps2mult_disconnect()  argument
204 	struct ps2mult *psm = serio_get_drvdata(serio);  in ps2mult_disconnect()
206 	/* Note that serio core already take care of children ports */  in ps2mult_disconnect()
207 	serio_write(serio, PS2MULT_SESSION_END);  in ps2mult_disconnect()
208 	serio_close(serio);  in ps2mult_disconnect()
211 	serio_set_drvdata(serio, NULL);  in ps2mult_disconnect()
214 static int ps2mult_reconnect(struct serio *serio)  in ps2mult_reconnect()  argument
216 	struct ps2mult *psm = serio_get_drvdata(serio);  in ps2mult_reconnect()
223 static irqreturn_t ps2mult_interrupt(struct serio *serio,  in ps2mult_interrupt()  argument
226 	struct ps2mult *psm = serio_get_drvdata(serio);  in ps2mult_interrupt()
229 	dev_dbg(&serio->dev, "Received %02x flags %02x\n", data, dfl);  in ps2mult_interrupt()
237 			serio_interrupt(in_port->serio, data, dfl);  in ps2mult_interrupt()
243 		dev_dbg(&serio->dev, "ESCAPE\n");  in ps2mult_interrupt()
248 		dev_dbg(&serio->dev, "BSYNC\n");  in ps2mult_interrupt()
253 		dev_dbg(&serio->dev, "SS\n");  in ps2mult_interrupt()
257 		dev_dbg(&serio->dev, "SE\n");  in ps2mult_interrupt()
261 		dev_dbg(&serio->dev, "KB\n");  in ps2mult_interrupt()
266 		dev_dbg(&serio->dev, "MS\n");  in ps2mult_interrupt()
273 			serio_interrupt(in_port->serio, data, dfl);  in ps2mult_interrupt()