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path: root/drivers/staging/comedi/drivers/cb_das16_cs.c
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Diffstat (limited to 'drivers/staging/comedi/drivers/cb_das16_cs.c')
-rw-r--r--drivers/staging/comedi/drivers/cb_das16_cs.c456
1 files changed, 0 insertions, 456 deletions
diff --git a/drivers/staging/comedi/drivers/cb_das16_cs.c b/drivers/staging/comedi/drivers/cb_das16_cs.c
deleted file mode 100644
index a5d171e71c33..000000000000
--- a/drivers/staging/comedi/drivers/cb_das16_cs.c
+++ /dev/null
@@ -1,456 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * cb_das16_cs.c
- * Driver for Computer Boards PC-CARD DAS16/16.
- *
- * COMEDI - Linux Control and Measurement Device Interface
- * Copyright (C) 2000, 2001, 2002 David A. Schleef <ds@schleef.org>
- *
- * PCMCIA support code for this driver is adapted from the dummy_cs.c
- * driver of the Linux PCMCIA Card Services package.
- *
- * The initial developer of the original code is David A. Hinds
- * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
- * are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
- */
-
-/*
- * Driver: cb_das16_cs
- * Description: Computer Boards PC-CARD DAS16/16
- * Devices: [ComputerBoards] PC-CARD DAS16/16 (cb_das16_cs),
- * PC-CARD DAS16/16-AO
- * Author: ds
- * Updated: Mon, 04 Nov 2002 20:04:21 -0800
- * Status: experimental
- */
-
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/delay.h>
-
-#include "../comedi_pcmcia.h"
-
-#include "comedi_8254.h"
-
-/*
- * Register I/O map
- */
-#define DAS16CS_AI_DATA_REG 0x00
-#define DAS16CS_AI_MUX_REG 0x02
-#define DAS16CS_AI_MUX_HI_CHAN(x) (((x) & 0xf) << 4)
-#define DAS16CS_AI_MUX_LO_CHAN(x) (((x) & 0xf) << 0)
-#define DAS16CS_AI_MUX_SINGLE_CHAN(x) (DAS16CS_AI_MUX_HI_CHAN(x) | \
- DAS16CS_AI_MUX_LO_CHAN(x))
-#define DAS16CS_MISC1_REG 0x04
-#define DAS16CS_MISC1_INTE BIT(15) /* 1=enable; 0=disable */
-#define DAS16CS_MISC1_INT_SRC(x) (((x) & 0x7) << 12) /* interrupt src */
-#define DAS16CS_MISC1_INT_SRC_NONE DAS16CS_MISC1_INT_SRC(0)
-#define DAS16CS_MISC1_INT_SRC_PACER DAS16CS_MISC1_INT_SRC(1)
-#define DAS16CS_MISC1_INT_SRC_EXT DAS16CS_MISC1_INT_SRC(2)
-#define DAS16CS_MISC1_INT_SRC_FNE DAS16CS_MISC1_INT_SRC(3)
-#define DAS16CS_MISC1_INT_SRC_FHF DAS16CS_MISC1_INT_SRC(4)
-#define DAS16CS_MISC1_INT_SRC_EOS DAS16CS_MISC1_INT_SRC(5)
-#define DAS16CS_MISC1_INT_SRC_MASK DAS16CS_MISC1_INT_SRC(7)
-#define DAS16CS_MISC1_OVR BIT(10) /* ro - 1=FIFO overflow */
-#define DAS16CS_MISC1_AI_CONV(x) (((x) & 0x3) << 8) /* AI convert src */
-#define DAS16CS_MISC1_AI_CONV_SW DAS16CS_MISC1_AI_CONV(0)
-#define DAS16CS_MISC1_AI_CONV_EXT_NEG DAS16CS_MISC1_AI_CONV(1)
-#define DAS16CS_MISC1_AI_CONV_EXT_POS DAS16CS_MISC1_AI_CONV(2)
-#define DAS16CS_MISC1_AI_CONV_PACER DAS16CS_MISC1_AI_CONV(3)
-#define DAS16CS_MISC1_AI_CONV_MASK DAS16CS_MISC1_AI_CONV(3)
-#define DAS16CS_MISC1_EOC BIT(7) /* ro - 0=busy; 1=ready */
-#define DAS16CS_MISC1_SEDIFF BIT(5) /* 0=diff; 1=se */
-#define DAS16CS_MISC1_INTB BIT(4) /* ro - 0=latched; 1=cleared */
-#define DAS16CS_MISC1_MA_MASK (0xf << 0) /* ro - current ai mux */
-#define DAS16CS_MISC1_DAC1CS BIT(3) /* wo - DAC1 chip select */
-#define DAS16CS_MISC1_DACCLK BIT(2) /* wo - Serial DAC clock */
-#define DAS16CS_MISC1_DACSD BIT(1) /* wo - Serial DAC data */
-#define DAS16CS_MISC1_DAC0CS BIT(0) /* wo - DAC0 chip select */
-#define DAS16CS_MISC1_DAC_MASK (0x0f << 0)
-#define DAS16CS_MISC2_REG 0x06
-#define DAS16CS_MISC2_BME BIT(14) /* 1=burst enable; 0=disable */
-#define DAS16CS_MISC2_AI_GAIN(x) (((x) & 0xf) << 8) /* AI gain */
-#define DAS16CS_MISC2_AI_GAIN_1 DAS16CS_MISC2_AI_GAIN(4) /* +/-10V */
-#define DAS16CS_MISC2_AI_GAIN_2 DAS16CS_MISC2_AI_GAIN(0) /* +/-5V */
-#define DAS16CS_MISC2_AI_GAIN_4 DAS16CS_MISC2_AI_GAIN(1) /* +/-2.5V */
-#define DAS16CS_MISC2_AI_GAIN_8 DAS16CS_MISC2_AI_GAIN(2) /* +-1.25V */
-#define DAS16CS_MISC2_AI_GAIN_MASK DAS16CS_MISC2_AI_GAIN(0xf)
-#define DAS16CS_MISC2_UDIR BIT(7) /* 1=dio7:4 output; 0=input */
-#define DAS16CS_MISC2_LDIR BIT(6) /* 1=dio3:0 output; 0=input */
-#define DAS16CS_MISC2_TRGPOL BIT(5) /* 1=active lo; 0=hi */
-#define DAS16CS_MISC2_TRGSEL BIT(4) /* 1=edge; 0=level */
-#define DAS16CS_MISC2_FFNE BIT(3) /* ro - 1=FIFO not empty */
-#define DAS16CS_MISC2_TRGCLR BIT(3) /* wo - 1=clr (monstable) */
-#define DAS16CS_MISC2_CLK2 BIT(2) /* 1=10 MHz; 0=1 MHz */
-#define DAS16CS_MISC2_CTR1 BIT(1) /* 1=int. 100 kHz; 0=ext. clk */
-#define DAS16CS_MISC2_TRG0 BIT(0) /* 1=enable; 0=disable */
-#define DAS16CS_TIMER_BASE 0x08
-#define DAS16CS_DIO_REG 0x10
-
-struct das16cs_board {
- const char *name;
- int device_id;
- unsigned int has_ao:1;
- unsigned int has_4dio:1;
-};
-
-static const struct das16cs_board das16cs_boards[] = {
- {
- .name = "PC-CARD DAS16/16-AO",
- .device_id = 0x0039,
- .has_ao = 1,
- .has_4dio = 1,
- }, {
- .name = "PCM-DAS16s/16",
- .device_id = 0x4009,
- }, {
- .name = "PC-CARD DAS16/16",
- .device_id = 0x0000, /* unknown */
- },
-};
-
-struct das16cs_private {
- unsigned short misc1;
- unsigned short misc2;
-};
-
-static const struct comedi_lrange das16cs_ai_range = {
- 4, {
- BIP_RANGE(10),
- BIP_RANGE(5),
- BIP_RANGE(2.5),
- BIP_RANGE(1.25),
- }
-};
-
-static int das16cs_ai_eoc(struct comedi_device *dev,
- struct comedi_subdevice *s,
- struct comedi_insn *insn,
- unsigned long context)
-{
- unsigned int status;
-
- status = inw(dev->iobase + DAS16CS_MISC1_REG);
- if (status & DAS16CS_MISC1_EOC)
- return 0;
- return -EBUSY;
-}
-
-static int das16cs_ai_insn_read(struct comedi_device *dev,
- struct comedi_subdevice *s,
- struct comedi_insn *insn,
- unsigned int *data)
-{
- struct das16cs_private *devpriv = dev->private;
- int chan = CR_CHAN(insn->chanspec);
- int range = CR_RANGE(insn->chanspec);
- int aref = CR_AREF(insn->chanspec);
- int ret;
- int i;
-
- outw(DAS16CS_AI_MUX_SINGLE_CHAN(chan),
- dev->iobase + DAS16CS_AI_MUX_REG);
-
- /* disable interrupts, software convert */
- devpriv->misc1 &= ~(DAS16CS_MISC1_INTE | DAS16CS_MISC1_INT_SRC_MASK |
- DAS16CS_MISC1_AI_CONV_MASK);
- if (aref == AREF_DIFF)
- devpriv->misc1 &= ~DAS16CS_MISC1_SEDIFF;
- else
- devpriv->misc1 |= DAS16CS_MISC1_SEDIFF;
- outw(devpriv->misc1, dev->iobase + DAS16CS_MISC1_REG);
-
- devpriv->misc2 &= ~(DAS16CS_MISC2_BME | DAS16CS_MISC2_AI_GAIN_MASK);
- switch (range) {
- case 0:
- devpriv->misc2 |= DAS16CS_MISC2_AI_GAIN_1;
- break;
- case 1:
- devpriv->misc2 |= DAS16CS_MISC2_AI_GAIN_2;
- break;
- case 2:
- devpriv->misc2 |= DAS16CS_MISC2_AI_GAIN_4;
- break;
- case 3:
- devpriv->misc2 |= DAS16CS_MISC2_AI_GAIN_8;
- break;
- }
- outw(devpriv->misc2, dev->iobase + DAS16CS_MISC2_REG);
-
- for (i = 0; i < insn->n; i++) {
- outw(0, dev->iobase + DAS16CS_AI_DATA_REG);
-
- ret = comedi_timeout(dev, s, insn, das16cs_ai_eoc, 0);
- if (ret)
- return ret;
-
- data[i] = inw(dev->iobase + DAS16CS_AI_DATA_REG);
- }
-
- return i;
-}
-
-static int das16cs_ao_insn_write(struct comedi_device *dev,
- struct comedi_subdevice *s,
- struct comedi_insn *insn,
- unsigned int *data)
-{
- struct das16cs_private *devpriv = dev->private;
- unsigned int chan = CR_CHAN(insn->chanspec);
- unsigned int val = s->readback[chan];
- unsigned short misc1;
- int bit;
- int i;
-
- for (i = 0; i < insn->n; i++) {
- val = data[i];
-
- outw(devpriv->misc1, dev->iobase + DAS16CS_MISC1_REG);
- udelay(1);
-
- /* raise the DACxCS line for the non-selected channel */
- misc1 = devpriv->misc1 & ~DAS16CS_MISC1_DAC_MASK;
- if (chan)
- misc1 |= DAS16CS_MISC1_DAC0CS;
- else
- misc1 |= DAS16CS_MISC1_DAC1CS;
-
- outw(misc1, dev->iobase + DAS16CS_MISC1_REG);
- udelay(1);
-
- for (bit = 15; bit >= 0; bit--) {
- if ((val >> bit) & 0x1)
- misc1 |= DAS16CS_MISC1_DACSD;
- else
- misc1 &= ~DAS16CS_MISC1_DACSD;
- outw(misc1, dev->iobase + DAS16CS_MISC1_REG);
- udelay(1);
- outw(misc1 | DAS16CS_MISC1_DACCLK,
- dev->iobase + DAS16CS_MISC1_REG);
- udelay(1);
- }
- /*
- * Make both DAC0CS and DAC1CS high to load
- * the new data and update analog the output
- */
- outw(misc1 | DAS16CS_MISC1_DAC0CS | DAS16CS_MISC1_DAC1CS,
- dev->iobase + DAS16CS_MISC1_REG);
- }
- s->readback[chan] = val;
-
- return insn->n;
-}
-
-static int das16cs_dio_insn_bits(struct comedi_device *dev,
- struct comedi_subdevice *s,
- struct comedi_insn *insn,
- unsigned int *data)
-{
- if (comedi_dio_update_state(s, data))
- outw(s->state, dev->iobase + DAS16CS_DIO_REG);
-
- data[1] = inw(dev->iobase + DAS16CS_DIO_REG);
-
- return insn->n;
-}
-
-static int das16cs_dio_insn_config(struct comedi_device *dev,
- struct comedi_subdevice *s,
- struct comedi_insn *insn,
- unsigned int *data)
-{
- struct das16cs_private *devpriv = dev->private;
- unsigned int chan = CR_CHAN(insn->chanspec);
- unsigned int mask;
- int ret;
-
- if (chan < 4)
- mask = 0x0f;
- else
- mask = 0xf0;
-
- ret = comedi_dio_insn_config(dev, s, insn, data, mask);
- if (ret)
- return ret;
-
- if (s->io_bits & 0xf0)
- devpriv->misc2 |= DAS16CS_MISC2_UDIR;
- else
- devpriv->misc2 &= ~DAS16CS_MISC2_UDIR;
- if (s->io_bits & 0x0f)
- devpriv->misc2 |= DAS16CS_MISC2_LDIR;
- else
- devpriv->misc2 &= ~DAS16CS_MISC2_LDIR;
- outw(devpriv->misc2, dev->iobase + DAS16CS_MISC2_REG);
-
- return insn->n;
-}
-
-static int das16cs_counter_insn_config(struct comedi_device *dev,
- struct comedi_subdevice *s,
- struct comedi_insn *insn,
- unsigned int *data)
-{
- struct das16cs_private *devpriv = dev->private;
-
- switch (data[0]) {
- case INSN_CONFIG_SET_CLOCK_SRC:
- switch (data[1]) {
- case 0: /* internal 100 kHz */
- devpriv->misc2 |= DAS16CS_MISC2_CTR1;
- break;
- case 1: /* external */
- devpriv->misc2 &= ~DAS16CS_MISC2_CTR1;
- break;
- default:
- return -EINVAL;
- }
- outw(devpriv->misc2, dev->iobase + DAS16CS_MISC2_REG);
- break;
- case INSN_CONFIG_GET_CLOCK_SRC:
- if (devpriv->misc2 & DAS16CS_MISC2_CTR1) {
- data[1] = 0;
- data[2] = I8254_OSC_BASE_100KHZ;
- } else {
- data[1] = 1;
- data[2] = 0; /* unknown */
- }
- break;
- default:
- return -EINVAL;
- }
-
- return insn->n;
-}
-
-static const void *das16cs_find_boardinfo(struct comedi_device *dev,
- struct pcmcia_device *link)
-{
- const struct das16cs_board *board;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(das16cs_boards); i++) {
- board = &das16cs_boards[i];
- if (board->device_id == link->card_id)
- return board;
- }
-
- return NULL;
-}
-
-static int das16cs_auto_attach(struct comedi_device *dev,
- unsigned long context)
-{
- struct pcmcia_device *link = comedi_to_pcmcia_dev(dev);
- const struct das16cs_board *board;
- struct das16cs_private *devpriv;
- struct comedi_subdevice *s;
- int ret;
-
- board = das16cs_find_boardinfo(dev, link);
- if (!board)
- return -ENODEV;
- dev->board_ptr = board;
- dev->board_name = board->name;
-
- link->config_flags |= CONF_AUTO_SET_IO | CONF_ENABLE_IRQ;
- ret = comedi_pcmcia_enable(dev, NULL);
- if (ret)
- return ret;
- dev->iobase = link->resource[0]->start;
-
- link->priv = dev;
-
- devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
- if (!devpriv)
- return -ENOMEM;
-
- dev->pacer = comedi_8254_init(dev->iobase + DAS16CS_TIMER_BASE,
- I8254_OSC_BASE_10MHZ, I8254_IO16, 0);
- if (!dev->pacer)
- return -ENOMEM;
-
- ret = comedi_alloc_subdevices(dev, 4);
- if (ret)
- return ret;
-
- /* Analog Input subdevice */
- s = &dev->subdevices[0];
- s->type = COMEDI_SUBD_AI;
- s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_DIFF;
- s->n_chan = 16;
- s->maxdata = 0xffff;
- s->range_table = &das16cs_ai_range;
- s->insn_read = das16cs_ai_insn_read;
-
- /* Analog Output subdevice */
- s = &dev->subdevices[1];
- if (board->has_ao) {
- s->type = COMEDI_SUBD_AO;
- s->subdev_flags = SDF_WRITABLE;
- s->n_chan = 2;
- s->maxdata = 0xffff;
- s->range_table = &range_bipolar10;
- s->insn_write = &das16cs_ao_insn_write;
-
- ret = comedi_alloc_subdev_readback(s);
- if (ret)
- return ret;
- } else {
- s->type = COMEDI_SUBD_UNUSED;
- }
-
- /* Digital I/O subdevice */
- s = &dev->subdevices[2];
- s->type = COMEDI_SUBD_DIO;
- s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
- s->n_chan = board->has_4dio ? 4 : 8;
- s->maxdata = 1;
- s->range_table = &range_digital;
- s->insn_bits = das16cs_dio_insn_bits;
- s->insn_config = das16cs_dio_insn_config;
-
- /* Counter subdevice (8254) */
- s = &dev->subdevices[3];
- comedi_8254_subdevice_init(s, dev->pacer);
-
- dev->pacer->insn_config = das16cs_counter_insn_config;
-
- /* counters 1 and 2 are used internally for the pacer */
- comedi_8254_set_busy(dev->pacer, 1, true);
- comedi_8254_set_busy(dev->pacer, 2, true);
-
- return 0;
-}
-
-static struct comedi_driver driver_das16cs = {
- .driver_name = "cb_das16_cs",
- .module = THIS_MODULE,
- .auto_attach = das16cs_auto_attach,
- .detach = comedi_pcmcia_disable,
-};
-
-static int das16cs_pcmcia_attach(struct pcmcia_device *link)
-{
- return comedi_pcmcia_auto_config(link, &driver_das16cs);
-}
-
-static const struct pcmcia_device_id das16cs_id_table[] = {
- PCMCIA_DEVICE_MANF_CARD(0x01c5, 0x0039),
- PCMCIA_DEVICE_MANF_CARD(0x01c5, 0x4009),
- PCMCIA_DEVICE_NULL
-};
-MODULE_DEVICE_TABLE(pcmcia, das16cs_id_table);
-
-static struct pcmcia_driver das16cs_driver = {
- .name = "cb_das16_cs",
- .owner = THIS_MODULE,
- .id_table = das16cs_id_table,
- .probe = das16cs_pcmcia_attach,
- .remove = comedi_pcmcia_auto_unconfig,
-};
-module_comedi_pcmcia_driver(driver_das16cs, das16cs_driver);
-
-MODULE_AUTHOR("David A. Schleef <ds@schleef.org>");
-MODULE_DESCRIPTION("Comedi driver for Computer Boards PC-CARD DAS16/16");
-MODULE_LICENSE("GPL");
generated by cgit (git 2.34.1) at 2024-06-13 09:23:37 +0000