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1 // SPDX-License-Identifier: GPL-2.0+
4  * generic comedi driver for SSV Embedded Systems' DIL/Net-PCs
7  * COMEDI - Linux Control and Measurement Device Interface
13  * Description: SSV Embedded Systems DIL/Net-PC
15  * Devices: [SSV Embedded Systems] DIL/Net-PC 1486 (dnp-1486)
19 /* include files ----------------------------------------------------------- */
24 /* Some global definitions: the registers of the DNP ----------------------- */
27 /* pins, where Bit-N = 0 -> input, Bit-N = 1 -> output. Note that bits       */
50 	 * Ports A and B are straight forward: each bit corresponds to an  in dnp_dio_insn_bits()
58 		outb(s->state & 0xff, CSCDR);  in dnp_dio_insn_bits()
61 		outb((s->state >> 8) & 0xff, CSCDR);  in dnp_dio_insn_bits()
65 		outb(((s->state >> 12) & 0xf0) | val, CSCDR);  in dnp_dio_insn_bits()
77 	return insn->n;  in dnp_dio_insn_bits()
85 	unsigned int chan = CR_CHAN(insn->chanspec);  in dnp_dio_insn_config()
98 		mask = 1 << (chan - 8);  in dnp_dio_insn_config()
110 		mask = 1 << ((chan - 16) * 2);  in dnp_dio_insn_config()
121 	return insn->n;  in dnp_dio_insn_config()
130 	 * We use I/O ports 0x22, 0x23 and 0xa3-0xa9, which are always  in dnp_attach()
139 	s = &dev->subdevices[0];  in dnp_attach()
141 	s->type = COMEDI_SUBD_DIO;  in dnp_attach()
142 	s->subdev_flags = SDF_READABLE | SDF_WRITABLE;  in dnp_attach()
143 	s->n_chan = 20;  in dnp_attach()
144 	s->maxdata = 1;  in dnp_attach()
145 	s->range_table = &range_digital;  in dnp_attach()
146 	s->insn_bits = dnp_dio_insn_bits;  in dnp_attach()
147 	s->insn_config = dnp_dio_insn_config;  in dnp_attach()
171 	.driver_name	= "dnp-1486",
179 MODULE_DESCRIPTION("Comedi low-level driver");