1 /* SPDX-License-Identifier: GPL-2.0 */
7 /* --- register definitions ------------------------------- */
9 #define ECONTROL(p) ((p)->base_hi + 0x2)
10 #define CONFIGB(p)  ((p)->base_hi + 0x1)
11 #define CONFIGA(p)  ((p)->base_hi + 0x0)
12 #define FIFO(p)     ((p)->base_hi + 0x0)
13 #define EPPDATA(p)  ((p)->base    + 0x4)
14 #define EPPADDR(p)  ((p)->base    + 0x3)
15 #define CONTROL(p)  ((p)->base    + 0x2)
16 #define STATUS(p)   ((p)->base    + 0x1)
17 #define DATA(p)     ((p)->base    + 0x0)
27 	int ecr;
33 	int fifo_depth;
36 	int pword;
39 	int readIntrThreshold;
40 	int writeIntrThreshold;
87 	/* here's hoping that reading these ports won't side-effect anything underneath */  in dump_parport_state()
92 	const struct parport_pc_private *priv = p->physport->private_data;  in dump_parport_state()
93 	int i;  in dump_parport_state()
103 		dcr = i ? priv->ctr : inb (CONTROL (p));  in dump_parport_state()
108 			printk ("fwd");  in dump_parport_state()
111 		if (!(dcr & 0x08)) printk (",N-SELECT-IN");  in dump_parport_state()
112 		if (dcr & 0x04) printk (",N-INIT");  in dump_parport_state()
113 		if (!(dcr & 0x02)) printk (",N-AUTOFD");  in dump_parport_state()
114 		if (!(dcr & 0x01)) printk (",N-STROBE");  in dump_parport_state()
118 	if (dsr & 0x40) printk (",N-ACK");  in dump_parport_state()
121 	if (dsr & 0x08) printk (",N-FAULT");  in dump_parport_state()
132 							   unsigned char mask,  in __parport_pc_frob_control()  argument
135 	struct parport_pc_private *priv = p->physport->private_data;  in __parport_pc_frob_control()
136 	unsigned char ctr = priv->ctr;  in __parport_pc_frob_control()
139 		"__parport_pc_frob_control(%02x,%02x): %02x -> %02x\n",  in __parport_pc_frob_control()
140 		mask, val, ctr, ((ctr & ~mask) ^ val) & priv->ctr_writable);  in __parport_pc_frob_control()
142 	ctr = (ctr & ~mask) ^ val;  in __parport_pc_frob_control()
143 	ctr &= priv->ctr_writable; /* only write writable bits. */  in __parport_pc_frob_control()
145 	priv->ctr = ctr;	/* Update soft copy */  in __parport_pc_frob_control()
170 			p->name, p->cad->name);  in parport_pc_write_control()
183 	const struct parport_pc_private *priv = p->physport->private_data;  in parport_pc_read_control()
184 	return priv->ctr & rm; /* Use soft copy */  in parport_pc_read_control()
188 							 unsigned char mask,  in parport_pc_frob_control()  argument
197 	if (mask & 0x20) {  in parport_pc_frob_control()
199 			p->name, p->cad->name,  in parport_pc_frob_control()
207 	/* Restrict mask and val to control lines. */  in parport_pc_frob_control()
208 	mask &= wm;  in parport_pc_frob_control()
211 	return __parport_pc_frob_control (p, mask, val);  in parport_pc_frob_control()
232 extern int parport_pc_claim_resources(struct parport *p);
237 					     int irq, int dma,
239 					     int irqflags);