1 // SPDX-License-Identifier: GPL-2.0-or-later
5  * friq.c is a low-level protocol driver for the Freecom "IQ"
6  * parallel port IDE adapter.   Early versions of this adapter
10  * CD-ROM drive.  It is also used in LS-120 drives by
41  * cont = 0 - access the IDE register file
42  * cont = 1 - access the IDE command set
73 	switch (pi->mode) {  in friq_read_block_int()
90 			ph = 2 - ph;  in friq_read_block_int()
96 		for (k = 0; k < count - 2; k++)  in friq_read_block_int()
99 		buf[count - 2] = r4();  in friq_read_block_int()
100 		buf[count - 1] = r4();  in friq_read_block_int()
105 		for (k = 0; k < count / 2 - 1; k++)  in friq_read_block_int()
108 		buf[count - 2] = r4();  in friq_read_block_int()
109 		buf[count - 1] = r4();  in friq_read_block_int()
114 		for (k = 0; k < count / 4 - 1; k++)  in friq_read_block_int()
116 		buf[count - 4] = r4();  in friq_read_block_int()
117 		buf[count - 3] = r4();  in friq_read_block_int()
119 		buf[count - 2] = r4();  in friq_read_block_int()
120 		buf[count - 1] = r4();  in friq_read_block_int()
135 	switch (pi->mode) {  in friq_write_block()
168 	pi->saved_r0 = r0();  in friq_connect()
169 	pi->saved_r2 = r2();  in friq_connect()
176 	w0(pi->saved_r0);  in friq_disconnect()
177 	w2(pi->saved_r2);  in friq_disconnect()
186 	pi->saved_r0 = r0();  in friq_test_proto()
189 	w0(pi->saved_r0);  in friq_test_proto()
212 	dev_dbg(&pi->dev,  in friq_test_proto()
213 		"friq: port 0x%x, mode %d, test=(%d,%d,%d)\n",  in friq_test_proto()
214 		pi->port, pi->mode, e[0], e[1], r);  in friq_test_proto()
221 	char *mode_string[6] = { "4-bit", "8-bit", "EPP-8", "EPP-16", "EPP-32"};  in friq_log_adapter()
223 	dev_info(&pi->dev,  in friq_log_adapter()
224 		 "Freecom IQ ASIC-2 adapter at 0x%x, mode %d (%s), delay %d\n",  in friq_log_adapter()
225 		 pi->port, pi->mode, mode_string[pi->mode], pi->delay);  in friq_log_adapter()
227 	pi->private = 1;  in friq_log_adapter()
235 	if (pi->private) {		/* turn off the power */  in friq_release_proto()
239 		pi->private = 0;  in friq_release_proto()
263 MODULE_DESCRIPTION("Freecom IQ parallel port IDE adapter protocol driver");