1 files changed, 0 insertions, 149 deletions
diff --git a/drivers/staging/comedi/drivers/pcmad.c b/drivers/staging/comedi/drivers/pcmad.c
deleted file mode 100644
index eec89a0afb2f..000000000000
--- a/drivers/staging/comedi/drivers/pcmad.c
+++ /dev/null
@@ -1,149 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * pcmad.c
- * Hardware driver for Winsystems PCM-A/D12 and PCM-A/D16
- *
- * COMEDI - Linux Control and Measurement Device Interface
- * Copyright (C) 2000,2001 David A. Schleef <ds@schleef.org>
- */
-
-/*
- * Driver: pcmad
- * Description: Winsystems PCM-A/D12, PCM-A/D16
- * Devices: [Winsystems] PCM-A/D12 (pcmad12), PCM-A/D16 (pcmad16)
- * Author: ds
- * Status: untested
- *
- * This driver was written on a bet that I couldn't write a driver
- * in less than 2 hours.  I won the bet, but never got paid.  =(
- *
- * Configuration options:
- *   [0] - I/O port base
- *   [1] - IRQ (unused)
- *   [2] - Analog input reference (must match jumpers)
- *	   0 = single-ended (16 channels)
- *	   1 = differential (8 channels)
- *   [3] - Analog input encoding (must match jumpers)
- *	   0 = straight binary (0-5V input range)
- *	   1 = two's complement (+-10V input range)
- */
-
-#include <linux/module.h>
-#include "../comedidev.h"
-
-#define PCMAD_STATUS		0
-#define PCMAD_LSB		1
-#define PCMAD_MSB		2
-#define PCMAD_CONVERT		1
-
-struct pcmad_board_struct {
-	const char *name;
-	unsigned int ai_maxdata;
-};
-
-static const struct pcmad_board_struct pcmad_boards[] = {
-	{
-		.name		= "pcmad12",
-		.ai_maxdata	= 0x0fff,
-	}, {
-		.name		= "pcmad16",
-		.ai_maxdata	= 0xffff,
-	},
-};
-
-static int pcmad_ai_eoc(struct comedi_device *dev,
-			struct comedi_subdevice *s,
-			struct comedi_insn *insn,
-			unsigned long context)
-{
-	unsigned int status;
-
-	status = inb(dev->iobase + PCMAD_STATUS);
-	if ((status & 0x3) == 0x3)
-		return 0;
-	return -EBUSY;
-}
-
-static int pcmad_ai_insn_read(struct comedi_device *dev,
-			      struct comedi_subdevice *s,
-			      struct comedi_insn *insn,
-			      unsigned int *data)
-{
-	unsigned int chan = CR_CHAN(insn->chanspec);
-	unsigned int range = CR_RANGE(insn->chanspec);
-	unsigned int val;
-	int ret;
-	int i;
-
-	for (i = 0; i < insn->n; i++) {
-		outb(chan, dev->iobase + PCMAD_CONVERT);
-
-		ret = comedi_timeout(dev, s, insn, pcmad_ai_eoc, 0);
-		if (ret)
-			return ret;
-
-		val = inb(dev->iobase + PCMAD_LSB) |
-		      (inb(dev->iobase + PCMAD_MSB) << 8);
-
-		/* data is shifted on the pcmad12, fix it */
-		if (s->maxdata == 0x0fff)
-			val >>= 4;
-
-		if (comedi_range_is_bipolar(s, range)) {
-			/* munge the two's complement value */
-			val ^= ((s->maxdata + 1) >> 1);
-		}
-
-		data[i] = val;
-	}
-
-	return insn->n;
-}
-
-static int pcmad_attach(struct comedi_device *dev, struct comedi_devconfig *it)
-{
-	const struct pcmad_board_struct *board = dev->board_ptr;
-	struct comedi_subdevice *s;
-	int ret;
-
-	ret = comedi_request_region(dev, it->options[0], 0x04);
-	if (ret)
-		return ret;
-
-	ret = comedi_alloc_subdevices(dev, 1);
-	if (ret)
-		return ret;
-
-	s = &dev->subdevices[0];
-	s->type		= COMEDI_SUBD_AI;
-	if (it->options[1]) {
-		/* 8 differential channels */
-		s->subdev_flags	= SDF_READABLE | AREF_DIFF;
-		s->n_chan	= 8;
-	} else {
-		/* 16 single-ended channels */
-		s->subdev_flags	= SDF_READABLE | AREF_GROUND;
-		s->n_chan	= 16;
-	}
-	s->len_chanlist	= 1;
-	s->maxdata	= board->ai_maxdata;
-	s->range_table	= it->options[2] ? &range_bipolar10 : &range_unipolar5;
-	s->insn_read	= pcmad_ai_insn_read;
-
-	return 0;
-}
-
-static struct comedi_driver pcmad_driver = {
-	.driver_name	= "pcmad",
-	.module		= THIS_MODULE,
-	.attach		= pcmad_attach,
-	.detach		= comedi_legacy_detach,
-	.board_name	= &pcmad_boards[0].name,
-	.num_names	= ARRAY_SIZE(pcmad_boards),
-	.offset		= sizeof(pcmad_boards[0]),
-};
-module_comedi_driver(pcmad_driver);
-
-MODULE_AUTHOR("Comedi https://www.comedi.org");
-MODULE_DESCRIPTION("Comedi low-level driver");
-MODULE_LICENSE("GPL");