--- /dev/null
+/*
+ * COMEDI driver for the Advantech PCI-1760
+ * Copyright (C) 2015 H Hartley Sweeten <hsweeten@visionengravers.com>
+ *
+ * Based on the pci1760 support in the adv_pci_dio driver written by:
+ * Michal Dobes <dobes@tesnet.cz>
+ *
+ * COMEDI - Linux Control and Measurement Device Interface
+ * Copyright (C) 2000 David A. Schleef <ds@schleef.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+/*
+ * Driver: adv_pci1760
+ * Description: Advantech PCI-1760 Relay & Isolated Digital Input Card
+ * Devices: [Advantech] PCI-1760 (adv_pci1760)
+ * Author: H Hartley Sweeten <hsweeten@visionengravers.com>
+ * Updated: Fri, 13 Nov 2015 12:34:00 -0700
+ * Status: untested
+ *
+ * Configuration Options: not applicable, uses PCI auto config
+ */
+
+#include <linux/module.h>
+
+#include "../comedi_pci.h"
+
+/*
+ * PCI-1760 Register Map
+ *
+ * Outgoing Mailbox Bytes
+ * OMB3: Not used (must be 0)
+ * OMB2: The command code to the PCI-1760
+ * OMB1: The hi byte of the parameter for the command in OMB2
+ * OMB0: The lo byte of the parameter for the command in OMB2
+ *
+ * Incoming Mailbox Bytes
+ * IMB3: The Isolated Digital Input status (updated every 100us)
+ * IMB2: The current command (matches OMB2 when command is successful)
+ * IMB1: The hi byte of the feedback data for the command in OMB2
+ * IMB0: The lo byte of the feedback data for the command in OMB2
+ *
+ * Interrupt Control/Status
+ * INTCSR3: Not used (must be 0)
+ * INTCSR2: The interrupt status (read only)
+ * INTCSR1: Interrupt enable/disable
+ * INTCSR0: Not used (must be 0)
+ */
+#define PCI1760_OMB_REG(x) (0x0c + (x))
+#define PCI1760_IMB_REG(x) (0x1c + (x))
+#define PCI1760_INTCSR_REG(x) (0x38 + (x))
+#define PCI1760_INTCSR1_IRQ_ENA BIT(5)
+#define PCI1760_INTCSR2_OMB_IRQ BIT(0)
+#define PCI1760_INTCSR2_IMB_IRQ BIT(1)
+#define PCI1760_INTCSR2_IRQ_STATUS BIT(6)
+#define PCI1760_INTCSR2_IRQ_ASSERTED BIT(7)
+
+/* PCI-1760 command codes */
+#define PCI1760_CMD_CLR_IMB2 0x00 /* Clears IMB2 */
+#define PCI1760_CMD_SET_DO 0x01 /* Set output state */
+#define PCI1760_CMD_GET_DO 0x02 /* Read output status */
+#define PCI1760_CMD_GET_STATUS 0x03 /* Read current status */
+#define PCI1760_CMD_GET_FW_VER 0x0e /* Read firware version */
+#define PCI1760_CMD_GET_HW_VER 0x0f /* Read hardware version */
+#define PCI1760_CMD_SET_PWM_HI(x) (0x10 + (x) * 2) /* Set "hi" period */
+#define PCI1760_CMD_SET_PWM_LO(x) (0x11 + (x) * 2) /* Set "lo" period */
+#define PCI1760_CMD_SET_PWM_CNT(x) (0x14 + (x)) /* Set burst count */
+#define PCI1760_CMD_ENA_PWM 0x1f /* Enable PWM outputs */
+#define PCI1760_CMD_ENA_FILT 0x20 /* Enable input filter */
+#define PCI1760_CMD_ENA_PAT_MATCH 0x21 /* Enable input pattern match */
+#define PCI1760_CMD_SET_PAT_MATCH 0x22 /* Set input pattern match */
+#define PCI1760_CMD_ENA_RISE_EDGE 0x23 /* Enable input rising edge */
+#define PCI1760_CMD_ENA_FALL_EDGE 0x24 /* Enable input falling edge */
+#define PCI1760_CMD_ENA_CNT 0x28 /* Enable counter */
+#define PCI1760_CMD_RST_CNT 0x29 /* Reset counter */
+#define PCI1760_CMD_ENA_CNT_OFLOW 0x2a /* Enable counter overflow */
+#define PCI1760_CMD_ENA_CNT_MATCH 0x2b /* Enable counter match */
+#define PCI1760_CMD_SET_CNT_EDGE 0x2c /* Set counter edge */
+#define PCI1760_CMD_GET_CNT 0x2f /* Reads counter value */
+#define PCI1760_CMD_SET_HI_SAMP(x) (0x30 + (x)) /* Set "hi" sample time */
+#define PCI1760_CMD_SET_LO_SAMP(x) (0x38 + (x)) /* Set "lo" sample time */
+#define PCI1760_CMD_SET_CNT(x) (0x40 + (x)) /* Set counter reset val */
+#define PCI1760_CMD_SET_CNT_MATCH(x) (0x48 + (x)) /* Set counter match val */
+#define PCI1760_CMD_GET_INT_FLAGS 0x60 /* Read interrupt flags */
+#define PCI1760_CMD_GET_INT_FLAGS_MATCH BIT(0)
+#define PCI1760_CMD_GET_INT_FLAGS_COS BIT(1)
+#define PCI1760_CMD_GET_INT_FLAGS_OFLOW BIT(2)
+#define PCI1760_CMD_GET_OS 0x61 /* Read edge change flags */
+#define PCI1760_CMD_GET_CNT_STATUS 0x62 /* Read counter oflow/match */
+
+#define PCI1760_CMD_TIMEOUT 250 /* 250 usec timeout */
+#define PCI1760_CMD_RETRIES 3 /* limit number of retries */
+
+#define PCI1760_PWM_TIMEBASE 100000 /* 1 unit = 100 usec */
+
+static int pci1760_send_cmd(struct comedi_device *dev,
+ unsigned char cmd, unsigned short val)
+{
+ unsigned long timeout;
+
+ /* send the command and parameter */
+ outb(val & 0xff, dev->iobase + PCI1760_OMB_REG(0));
+ outb((val >> 8) & 0xff, dev->iobase + PCI1760_OMB_REG(1));
+ outb(cmd, dev->iobase + PCI1760_OMB_REG(2));
+ outb(0, dev->iobase + PCI1760_OMB_REG(3));
+
+ /* datasheet says to allow up to 250 usec for the command to complete */
+ timeout = jiffies + usecs_to_jiffies(PCI1760_CMD_TIMEOUT);
+ do {
+ if (inb(dev->iobase + PCI1760_IMB_REG(2)) == cmd) {
+ /* command success; return the feedback data */
+ return inb(dev->iobase + PCI1760_IMB_REG(0)) |
+ (inb(dev->iobase + PCI1760_IMB_REG(1)) << 8);
+ }
+ cpu_relax();
+ } while (time_before(jiffies, timeout));
+
+ return -EBUSY;
+}
+
+static int pci1760_cmd(struct comedi_device *dev,
+ unsigned char cmd, unsigned short val)
+{
+ int repeats;
+ int ret;
+
+ /* send PCI1760_CMD_CLR_IMB2 between identical commands */
+ if (inb(dev->iobase + PCI1760_IMB_REG(2)) == cmd) {
+ ret = pci1760_send_cmd(dev, PCI1760_CMD_CLR_IMB2, 0);
+ if (ret < 0) {
+ /* timeout? try it once more */
+ ret = pci1760_send_cmd(dev, PCI1760_CMD_CLR_IMB2, 0);
+ if (ret < 0)
+ return -ETIMEDOUT;
+ }
+ }
+
+ /* datasheet says to keep retrying the command */
+ for (repeats = 0; repeats < PCI1760_CMD_RETRIES; repeats++) {
+ ret = pci1760_send_cmd(dev, cmd, val);
+ if (ret >= 0)
+ return ret;
+ }
+
+ /* command failed! */
+ return -ETIMEDOUT;
+}
+
+static int pci1760_di_insn_bits(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
+{
+ data[1] = inb(dev->iobase + PCI1760_IMB_REG(3));
+
+ return insn->n;
+}
+
+static int pci1760_do_insn_bits(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
+{
+ int ret;
+
+ if (comedi_dio_update_state(s, data)) {
+ ret = pci1760_cmd(dev, PCI1760_CMD_SET_DO, s->state);
+ if (ret < 0)
+ return ret;
+ }
+
+ data[1] = s->state;
+
+ return insn->n;
+}
+
+static int pci1760_pwm_ns_to_div(unsigned int flags, unsigned int ns)
+{
+ unsigned int divisor;
+
+ switch (flags) {
+ case CMDF_ROUND_NEAREST:
+ divisor = DIV_ROUND_CLOSEST(ns, PCI1760_PWM_TIMEBASE);
+ break;
+ case CMDF_ROUND_UP:
+ divisor = DIV_ROUND_UP(ns, PCI1760_PWM_TIMEBASE);
+ break;
+ case CMDF_ROUND_DOWN:
+ divisor = ns / PCI1760_PWM_TIMEBASE;
+ default:
+ return -EINVAL;
+ }
+
+ if (divisor < 1)
+ divisor = 1;
+ if (divisor > 0xffff)
+ divisor = 0xffff;
+
+ return divisor;
+}
+
+static int pci1760_pwm_enable(struct comedi_device *dev,
+ unsigned int chan, bool enable)
+{
+ int ret;
+
+ ret = pci1760_cmd(dev, PCI1760_CMD_GET_STATUS, PCI1760_CMD_ENA_PWM);
+ if (ret < 0)
+ return ret;
+
+ if (enable)
+ ret |= BIT(chan);
+ else
+ ret &= ~BIT(chan);
+
+ return pci1760_cmd(dev, PCI1760_CMD_ENA_PWM, ret);
+}
+
+static int pci1760_pwm_insn_config(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
+{
+ unsigned int chan = CR_CHAN(insn->chanspec);
+ int hi_div;
+ int lo_div;
+ int ret;
+
+ switch (data[0]) {
+ case INSN_CONFIG_ARM:
+ ret = pci1760_pwm_enable(dev, chan, false);
+ if (ret < 0)
+ return ret;
+
+ if (data[1] > 0xffff)
+ return -EINVAL;
+ ret = pci1760_cmd(dev, PCI1760_CMD_SET_PWM_CNT(chan), data[1]);
+ if (ret < 0)
+ return ret;
+
+ ret = pci1760_pwm_enable(dev, chan, true);
+ if (ret < 0)
+ return ret;
+ break;
+ case INSN_CONFIG_DISARM:
+ ret = pci1760_pwm_enable(dev, chan, false);
+ if (ret < 0)
+ return ret;
+ break;
+ case INSN_CONFIG_PWM_OUTPUT:
+ ret = pci1760_pwm_enable(dev, chan, false);
+ if (ret < 0)
+ return ret;
+
+ hi_div = pci1760_pwm_ns_to_div(data[1], data[2]);
+ lo_div = pci1760_pwm_ns_to_div(data[3], data[4]);
+ if (hi_div < 0 || lo_div < 0)
+ return -EINVAL;
+ if ((hi_div * PCI1760_PWM_TIMEBASE) != data[2] ||
+ (lo_div * PCI1760_PWM_TIMEBASE) != data[4]) {
+ data[2] = hi_div * PCI1760_PWM_TIMEBASE;
+ data[4] = lo_div * PCI1760_PWM_TIMEBASE;
+ return -EAGAIN;
+ }
+ ret = pci1760_cmd(dev, PCI1760_CMD_SET_PWM_HI(chan), hi_div);
+ if (ret < 0)
+ return ret;
+ ret = pci1760_cmd(dev, PCI1760_CMD_SET_PWM_LO(chan), lo_div);
+ if (ret < 0)
+ return ret;
+ break;
+ case INSN_CONFIG_GET_PWM_OUTPUT:
+ hi_div = pci1760_cmd(dev, PCI1760_CMD_GET_STATUS,
+ PCI1760_CMD_SET_PWM_HI(chan));
+ lo_div = pci1760_cmd(dev, PCI1760_CMD_GET_STATUS,
+ PCI1760_CMD_SET_PWM_LO(chan));
+ if (hi_div < 0 || lo_div < 0)
+ return -ETIMEDOUT;
+
+ data[1] = hi_div * PCI1760_PWM_TIMEBASE;
+ data[2] = lo_div * PCI1760_PWM_TIMEBASE;
+ break;
+ case INSN_CONFIG_GET_PWM_STATUS:
+ ret = pci1760_cmd(dev, PCI1760_CMD_GET_STATUS,
+ PCI1760_CMD_ENA_PWM);
+ if (ret < 0)
+ return ret;
+
+ data[1] = (ret & BIT(chan)) ? 1 : 0;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return insn->n;
+}
+
+static void pci1760_reset(struct comedi_device *dev)
+{
+ int i;
+
+ /* disable interrupts (intcsr2 is read-only) */
+ outb(0, dev->iobase + PCI1760_INTCSR_REG(0));
+ outb(0, dev->iobase + PCI1760_INTCSR_REG(1));
+ outb(0, dev->iobase + PCI1760_INTCSR_REG(3));
+
+ /* disable counters */
+ pci1760_cmd(dev, PCI1760_CMD_ENA_CNT, 0);
+
+ /* disable overflow interrupts */
+ pci1760_cmd(dev, PCI1760_CMD_ENA_CNT_OFLOW, 0);
+
+ /* disable match */
+ pci1760_cmd(dev, PCI1760_CMD_ENA_CNT_MATCH, 0);
+
+ /* set match and counter reset values */
+ for (i = 0; i < 8; i++) {
+ pci1760_cmd(dev, PCI1760_CMD_SET_CNT_MATCH(i), 0x8000);
+ pci1760_cmd(dev, PCI1760_CMD_SET_CNT(i), 0x0000);
+ }
+
+ /* reset counters to reset values */
+ pci1760_cmd(dev, PCI1760_CMD_RST_CNT, 0xff);
+
+ /* set counter count edges */
+ pci1760_cmd(dev, PCI1760_CMD_SET_CNT_EDGE, 0);
+
+ /* disable input filters */
+ pci1760_cmd(dev, PCI1760_CMD_ENA_FILT, 0);
+
+ /* disable pattern matching */
+ pci1760_cmd(dev, PCI1760_CMD_ENA_PAT_MATCH, 0);
+
+ /* set pattern match value */
+ pci1760_cmd(dev, PCI1760_CMD_SET_PAT_MATCH, 0);
+}
+
+static int pci1760_auto_attach(struct comedi_device *dev,
+ unsigned long context)
+{
+ struct pci_dev *pcidev = comedi_to_pci_dev(dev);
+ struct comedi_subdevice *s;
+ int ret;
+
+ ret = comedi_pci_enable(dev);
+ if (ret)
+ return ret;
+ dev->iobase = pci_resource_start(pcidev, 0);
+
+ pci1760_reset(dev);
+
+ ret = comedi_alloc_subdevices(dev, 4);
+ if (ret)
+ return ret;
+
+ /* Digital Input subdevice */
+ s = &dev->subdevices[0];
+ s->type = COMEDI_SUBD_DI;
+ s->subdev_flags = SDF_READABLE;
+ s->n_chan = 8;
+ s->maxdata = 1;
+ s->range_table = &range_digital;
+ s->insn_bits = pci1760_di_insn_bits;
+
+ /* Digital Output subdevice */
+ s = &dev->subdevices[1];
+ s->type = COMEDI_SUBD_DO;
+ s->subdev_flags = SDF_WRITABLE;
+ s->n_chan = 8;
+ s->maxdata = 1;
+ s->range_table = &range_digital;
+ s->insn_bits = pci1760_do_insn_bits;
+
+ /* get the current state of the outputs */
+ ret = pci1760_cmd(dev, PCI1760_CMD_GET_DO, 0);
+ if (ret < 0)
+ return ret;
+ s->state = ret;
+
+ /* PWM subdevice */
+ s = &dev->subdevices[2];
+ s->type = COMEDI_SUBD_PWM;
+ s->subdev_flags = SDF_PWM_COUNTER;
+ s->n_chan = 2;
+ s->insn_config = pci1760_pwm_insn_config;
+
+ /* Counter subdevice */
+ s = &dev->subdevices[3];
+ s->type = COMEDI_SUBD_UNUSED;
+
+ return 0;
+}
+
+static struct comedi_driver pci1760_driver = {
+ .driver_name = "adv_pci1760",
+ .module = THIS_MODULE,
+ .auto_attach = pci1760_auto_attach,
+ .detach = comedi_pci_detach,
+};
+
+static int pci1760_pci_probe(struct pci_dev *dev,
+ const struct pci_device_id *id)
+{
+ return comedi_pci_auto_config(dev, &pci1760_driver, id->driver_data);
+}
+
+static const struct pci_device_id pci1760_pci_table[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_ADVANTECH, 0x1760) },
+ { 0 }
+};
+MODULE_DEVICE_TABLE(pci, pci1760_pci_table);
+
+static struct pci_driver pci1760_pci_driver = {
+ .name = "adv_pci1760",
+ .id_table = pci1760_pci_table,
+ .probe = pci1760_pci_probe,
+ .remove = comedi_pci_auto_unconfig,
+};
+module_comedi_pci_driver(pci1760_driver, pci1760_pci_driver);
+
+MODULE_AUTHOR("Comedi http://www.comedi.org");
+MODULE_DESCRIPTION("Comedi driver for Advantech PCI-1760");
+MODULE_LICENSE("GPL");
Driver: adv_pci_dio
Description: Advantech PCI-1730, PCI-1733, PCI-1734, PCI-1735U,
PCI-1736UP, PCI-1739U, PCI-1750, PCI-1751, PCI-1752,
- PCI-1753/E, PCI-1754, PCI-1756, PCI-1760, PCI-1762
+ PCI-1753/E, PCI-1754, PCI-1756, PCI-1762
Author: Michal Dobes <dobes@tesnet.cz>
Devices: [Advantech] PCI-1730 (adv_pci_dio), PCI-1733,
PCI-1734, PCI-1735U, PCI-1736UP, PCI-1739U, PCI-1750,
PCI-1751, PCI-1752, PCI-1753,
PCI-1753+PCI-1753E, PCI-1754, PCI-1756,
- PCI-1760, PCI-1762
+ PCI-1762
Status: untested
Updated: Mon, 09 Jan 2012 12:40:46 +0000
TYPE_PCI1752,
TYPE_PCI1753, TYPE_PCI1753E,
TYPE_PCI1754, TYPE_PCI1756,
- TYPE_PCI1760,
TYPE_PCI1762
};
#define PCI1762_ICR 6 /* W: Interrupt control register */
#define PCI1762_ISR 6 /* R: Interrupt status register */
-/* Advantech PCI-1760 registers */
-#define OMB0 0x0c /* W: Mailbox outgoing registers */
-#define OMB1 0x0d
-#define OMB2 0x0e
-#define OMB3 0x0f
-#define IMB0 0x1c /* R: Mailbox incoming registers */
-#define IMB1 0x1d
-#define IMB2 0x1e
-#define IMB3 0x1f
-#define INTCSR0 0x38 /* R/W: Interrupt control registers */
-#define INTCSR1 0x39
-#define INTCSR2 0x3a
-#define INTCSR3 0x3b
-
-/* PCI-1760 mailbox commands */
-#define CMD_ClearIMB2 0x00 /* Clear IMB2 status and return actual
- * DI status in IMB3 */
-#define CMD_SetRelaysOutput 0x01 /* Set relay output from OMB0 */
-#define CMD_GetRelaysStatus 0x02 /* Get relay status to IMB0 */
-#define CMD_ReadCurrentStatus 0x07 /* Read the current status of the
- * register in OMB0, result in IMB0 */
-#define CMD_ReadFirmwareVersion 0x0e /* Read the firmware ver., result in
- * IMB1.IMB0 */
-#define CMD_ReadHardwareVersion 0x0f /* Read the hardware ver., result in
- * IMB1.IMB0 */
-#define CMD_EnableIDIFilters 0x20 /* Enable IDI filters based on bits in
- * OMB0 */
-#define CMD_EnableIDIPatternMatch 0x21 /* Enable IDI pattern match based on
- * bits in OMB0 */
-#define CMD_SetIDIPatternMatch 0x22 /* Enable IDI pattern match based on
- * bits in OMB0 */
-#define CMD_EnableIDICounters 0x28 /* Enable IDI counters based on bits in
- * OMB0 */
-#define CMD_ResetIDICounters 0x29 /* Reset IDI counters based on bits in
- * OMB0 to its reset values */
-#define CMD_OverflowIDICounters 0x2a /* Enable IDI counters overflow
- * interrupts based on bits in OMB0 */
-#define CMD_MatchIntIDICounters 0x2b /* Enable IDI counters match value
- * interrupts based on bits in OMB0 */
-#define CMD_EdgeIDICounters 0x2c /* Set IDI up counters count edge (bit=0
- * - rising, =1 - falling) */
-#define CMD_GetIDICntCurValue 0x2f /* Read IDI{OMB0} up counter current
- * value */
-#define CMD_SetIDI0CntResetValue 0x40 /* Set IDI0 Counter Reset Value
- * 256*OMB1+OMB0 */
-#define CMD_SetIDI1CntResetValue 0x41 /* Set IDI1 Counter Reset Value
- * 256*OMB1+OMB0 */
-#define CMD_SetIDI2CntResetValue 0x42 /* Set IDI2 Counter Reset Value
- * 256*OMB1+OMB0 */
-#define CMD_SetIDI3CntResetValue 0x43 /* Set IDI3 Counter Reset Value
- * 256*OMB1+OMB0 */
-#define CMD_SetIDI4CntResetValue 0x44 /* Set IDI4 Counter Reset Value
- * 256*OMB1+OMB0 */
-#define CMD_SetIDI5CntResetValue 0x45 /* Set IDI5 Counter Reset Value
- * 256*OMB1+OMB0 */
-#define CMD_SetIDI6CntResetValue 0x46 /* Set IDI6 Counter Reset Value
- * 256*OMB1+OMB0 */
-#define CMD_SetIDI7CntResetValue 0x47 /* Set IDI7 Counter Reset Value
- * 256*OMB1+OMB0 */
-#define CMD_SetIDI0CntMatchValue 0x48 /* Set IDI0 Counter Match Value
- * 256*OMB1+OMB0 */
-#define CMD_SetIDI1CntMatchValue 0x49 /* Set IDI1 Counter Match Value
- * 256*OMB1+OMB0 */
-#define CMD_SetIDI2CntMatchValue 0x4a /* Set IDI2 Counter Match Value
- * 256*OMB1+OMB0 */
-#define CMD_SetIDI3CntMatchValue 0x4b /* Set IDI3 Counter Match Value
- * 256*OMB1+OMB0 */
-#define CMD_SetIDI4CntMatchValue 0x4c /* Set IDI4 Counter Match Value
- * 256*OMB1+OMB0 */
-#define CMD_SetIDI5CntMatchValue 0x4d /* Set IDI5 Counter Match Value
- * 256*OMB1+OMB0 */
-#define CMD_SetIDI6CntMatchValue 0x4e /* Set IDI6 Counter Match Value
- * 256*OMB1+OMB0 */
-#define CMD_SetIDI7CntMatchValue 0x4f /* Set IDI7 Counter Match Value
- * 256*OMB1+OMB0 */
-
-#define OMBCMD_RETRY 0x03 /* 3 times try request before error */
-
struct diosubd_data {
int chans; /* num of chans */
int addr; /* PCI address ofset */
.boardid = { 4, PCI175x_BOARDID, 1, SDF_INTERNAL, },
.io_access = IO_16b,
},
- [TYPE_PCI1760] = {
- /* This card has its own 'attach' */
- .name = "pci1760",
- .main_pci_region = 0,
- .cardtype = TYPE_PCI1760,
- .nsubdevs = 4,
- .io_access = IO_8b,
- },
[TYPE_PCI1762] = {
.name = "pci1762",
.main_pci_region = PCIDIO_MAINREG,
},
};
-struct pci_dio_private {
- char GlobalIrqEnabled; /* 1= any IRQ source is enabled */
- /* PCI-1760 specific data */
- unsigned char IDICntEnable; /* counter's counting enable status */
- unsigned char IDICntOverEnable; /* counter's overflow interrupts enable
- * status */
- unsigned char IDICntMatchEnable; /* counter's match interrupts
- * enable status */
- unsigned char IDICntEdge; /* counter's count edge value
- * (bit=0 - rising, =1 - falling) */
- unsigned short CntResValue[8]; /* counters' reset value */
- unsigned short CntMatchValue[8]; /* counters' match interrupt value */
- unsigned char IDIFiltersEn; /* IDI's digital filters enable status */
- unsigned char IDIPatMatchEn; /* IDI's pattern match enable status */
- unsigned char IDIPatMatchValue; /* IDI's pattern match value */
- unsigned short IDIFiltrLow[8]; /* IDI's filter value low signal */
- unsigned short IDIFiltrHigh[8]; /* IDI's filter value high signal */
-};
-
/*
==============================================================================
*/
return insn->n;
}
-/*
-==============================================================================
-*/
-static int pci1760_unchecked_mbxrequest(struct comedi_device *dev,
- unsigned char *omb, unsigned char *imb,
- int repeats)
-{
- int cnt, tout, ok = 0;
-
- for (cnt = 0; cnt < repeats; cnt++) {
- outb(omb[0], dev->iobase + OMB0);
- outb(omb[1], dev->iobase + OMB1);
- outb(omb[2], dev->iobase + OMB2);
- outb(omb[3], dev->iobase + OMB3);
- for (tout = 0; tout < 251; tout++) {
- imb[2] = inb(dev->iobase + IMB2);
- if (imb[2] == omb[2]) {
- imb[0] = inb(dev->iobase + IMB0);
- imb[1] = inb(dev->iobase + IMB1);
- imb[3] = inb(dev->iobase + IMB3);
- ok = 1;
- break;
- }
- udelay(1);
- }
- if (ok)
- return 0;
- }
-
- dev_err(dev->class_dev, "PCI-1760 mailbox request timeout!\n");
- return -ETIME;
-}
-
-static int pci1760_clear_imb2(struct comedi_device *dev)
-{
- unsigned char omb[4] = { 0x0, 0x0, CMD_ClearIMB2, 0x0 };
- unsigned char imb[4];
- /* check if imb2 is already clear */
- if (inb(dev->iobase + IMB2) == CMD_ClearIMB2)
- return 0;
- return pci1760_unchecked_mbxrequest(dev, omb, imb, OMBCMD_RETRY);
-}
-
-static int pci1760_mbxrequest(struct comedi_device *dev,
- unsigned char *omb, unsigned char *imb)
-{
- if (omb[2] == CMD_ClearIMB2) {
- dev_err(dev->class_dev,
- "bug! this function should not be used for CMD_ClearIMB2 command\n");
- return -EINVAL;
- }
- if (inb(dev->iobase + IMB2) == omb[2]) {
- int retval;
-
- retval = pci1760_clear_imb2(dev);
- if (retval < 0)
- return retval;
- }
- return pci1760_unchecked_mbxrequest(dev, omb, imb, OMBCMD_RETRY);
-}
-
-/*
-==============================================================================
-*/
-static int pci1760_insn_bits_di(struct comedi_device *dev,
- struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
-{
- data[1] = inb(dev->iobase + IMB3);
-
- return insn->n;
-}
-
-static int pci1760_insn_bits_do(struct comedi_device *dev,
- struct comedi_subdevice *s,
- struct comedi_insn *insn,
- unsigned int *data)
-{
- int ret;
- unsigned char omb[4] = {
- 0x00,
- 0x00,
- CMD_SetRelaysOutput,
- 0x00
- };
- unsigned char imb[4];
-
- if (comedi_dio_update_state(s, data)) {
- omb[0] = s->state;
- ret = pci1760_mbxrequest(dev, omb, imb);
- if (!ret)
- return ret;
- }
-
- data[1] = s->state;
-
- return insn->n;
-}
-
-/*
-==============================================================================
-*/
-static int pci1760_insn_cnt_read(struct comedi_device *dev,
- struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
-{
- int ret, n;
- unsigned char omb[4] = {
- CR_CHAN(insn->chanspec) & 0x07,
- 0x00,
- CMD_GetIDICntCurValue,
- 0x00
- };
- unsigned char imb[4];
-
- for (n = 0; n < insn->n; n++) {
- ret = pci1760_mbxrequest(dev, omb, imb);
- if (!ret)
- return ret;
- data[n] = (imb[1] << 8) + imb[0];
- }
-
- return n;
-}
-
-/*
-==============================================================================
-*/
-static int pci1760_insn_cnt_write(struct comedi_device *dev,
- struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
-{
- struct pci_dio_private *devpriv = dev->private;
- int ret;
- unsigned char chan = CR_CHAN(insn->chanspec) & 0x07;
- unsigned char bitmask = 1 << chan;
- unsigned char omb[4] = {
- data[0] & 0xff,
- (data[0] >> 8) & 0xff,
- CMD_SetIDI0CntResetValue + chan,
- 0x00
- };
- unsigned char imb[4];
-
- /* Set reset value if different */
- if (devpriv->CntResValue[chan] != (data[0] & 0xffff)) {
- ret = pci1760_mbxrequest(dev, omb, imb);
- if (!ret)
- return ret;
- devpriv->CntResValue[chan] = data[0] & 0xffff;
- }
-
- omb[0] = bitmask; /* reset counter to it reset value */
- omb[2] = CMD_ResetIDICounters;
- ret = pci1760_mbxrequest(dev, omb, imb);
- if (!ret)
- return ret;
-
- /* start counter if it don't run */
- if (!(bitmask & devpriv->IDICntEnable)) {
- omb[0] = bitmask;
- omb[2] = CMD_EnableIDICounters;
- ret = pci1760_mbxrequest(dev, omb, imb);
- if (!ret)
- return ret;
- devpriv->IDICntEnable |= bitmask;
- }
- return 1;
-}
-
-/*
-==============================================================================
-*/
-static int pci1760_reset(struct comedi_device *dev)
-{
- struct pci_dio_private *devpriv = dev->private;
- int i;
- unsigned char omb[4] = { 0x00, 0x00, 0x00, 0x00 };
- unsigned char imb[4];
-
- outb(0, dev->iobase + INTCSR0); /* disable IRQ */
- outb(0, dev->iobase + INTCSR1);
- outb(0, dev->iobase + INTCSR2);
- outb(0, dev->iobase + INTCSR3);
- devpriv->GlobalIrqEnabled = 0;
-
- omb[0] = 0x00;
- omb[2] = CMD_SetRelaysOutput; /* reset relay outputs */
- pci1760_mbxrequest(dev, omb, imb);
-
- omb[0] = 0x00;
- omb[2] = CMD_EnableIDICounters; /* disable IDI up counters */
- pci1760_mbxrequest(dev, omb, imb);
- devpriv->IDICntEnable = 0;
-
- omb[0] = 0x00;
- omb[2] = CMD_OverflowIDICounters; /* disable counters overflow
- * interrupts */
- pci1760_mbxrequest(dev, omb, imb);
- devpriv->IDICntOverEnable = 0;
-
- omb[0] = 0x00;
- omb[2] = CMD_MatchIntIDICounters; /* disable counters match value
- * interrupts */
- pci1760_mbxrequest(dev, omb, imb);
- devpriv->IDICntMatchEnable = 0;
-
- omb[0] = 0x00;
- omb[1] = 0x80;
- for (i = 0; i < 8; i++) { /* set IDI up counters match value */
- omb[2] = CMD_SetIDI0CntMatchValue + i;
- pci1760_mbxrequest(dev, omb, imb);
- devpriv->CntMatchValue[i] = 0x8000;
- }
-
- omb[0] = 0x00;
- omb[1] = 0x00;
- for (i = 0; i < 8; i++) { /* set IDI up counters reset value */
- omb[2] = CMD_SetIDI0CntResetValue + i;
- pci1760_mbxrequest(dev, omb, imb);
- devpriv->CntResValue[i] = 0x0000;
- }
-
- omb[0] = 0xff;
- omb[2] = CMD_ResetIDICounters; /* reset IDI up counters to reset
- * values */
- pci1760_mbxrequest(dev, omb, imb);
-
- omb[0] = 0x00;
- omb[2] = CMD_EdgeIDICounters; /* set IDI up counters count edge */
- pci1760_mbxrequest(dev, omb, imb);
- devpriv->IDICntEdge = 0x00;
-
- omb[0] = 0x00;
- omb[2] = CMD_EnableIDIFilters; /* disable all digital in filters */
- pci1760_mbxrequest(dev, omb, imb);
- devpriv->IDIFiltersEn = 0x00;
-
- omb[0] = 0x00;
- omb[2] = CMD_EnableIDIPatternMatch; /* disable pattern matching */
- pci1760_mbxrequest(dev, omb, imb);
- devpriv->IDIPatMatchEn = 0x00;
-
- omb[0] = 0x00;
- omb[2] = CMD_SetIDIPatternMatch; /* set pattern match value */
- pci1760_mbxrequest(dev, omb, imb);
- devpriv->IDIPatMatchValue = 0x00;
-
- return 0;
-}
-
-/*
-==============================================================================
-*/
static int pci_dio_reset(struct comedi_device *dev)
{
const struct dio_boardtype *board = dev->board_ptr;
outw(0, dev->iobase + PCI1756_IDO); /* clear outputs */
outw(0, dev->iobase + PCI1756_IDO + 2);
break;
- case TYPE_PCI1760:
- pci1760_reset(dev);
- break;
case TYPE_PCI1762:
outw(0x0101, dev->iobase + PCI1762_ICR); /* disable & clear
* interrupts */
return 0;
}
-/*
-==============================================================================
-*/
-static int pci1760_attach(struct comedi_device *dev)
-{
- struct comedi_subdevice *s;
-
- s = &dev->subdevices[0];
- s->type = COMEDI_SUBD_DI;
- s->subdev_flags = SDF_READABLE;
- s->n_chan = 8;
- s->maxdata = 1;
- s->len_chanlist = 8;
- s->range_table = &range_digital;
- s->insn_bits = pci1760_insn_bits_di;
-
- s = &dev->subdevices[1];
- s->type = COMEDI_SUBD_DO;
- s->subdev_flags = SDF_WRITABLE;
- s->n_chan = 8;
- s->maxdata = 1;
- s->len_chanlist = 8;
- s->range_table = &range_digital;
- s->state = 0;
- s->insn_bits = pci1760_insn_bits_do;
-
- s = &dev->subdevices[2];
- s->type = COMEDI_SUBD_TIMER;
- s->subdev_flags = SDF_WRITABLE | SDF_LSAMPL;
- s->n_chan = 2;
- s->maxdata = 0xffffffff;
- s->len_chanlist = 2;
-/* s->insn_config=pci1760_insn_pwm_cfg; */
-
- s = &dev->subdevices[3];
- s->type = COMEDI_SUBD_COUNTER;
- s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
- s->n_chan = 8;
- s->maxdata = 0xffff;
- s->len_chanlist = 8;
- s->insn_read = pci1760_insn_cnt_read;
- s->insn_write = pci1760_insn_cnt_write;
-/* s->insn_config=pci1760_insn_cnt_cfg; */
-
- return 0;
-}
-
-/*
-==============================================================================
-*/
static int pci_dio_add_di(struct comedi_device *dev,
struct comedi_subdevice *s,
const struct diosubd_data *d)
{
struct pci_dev *pcidev = comedi_to_pci_dev(dev);
const struct dio_boardtype *board = NULL;
- struct pci_dio_private *devpriv;
struct comedi_subdevice *s;
int ret, subdev, i, j;
dev->board_ptr = board;
dev->board_name = board->name;
- devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
- if (!devpriv)
- return -ENOMEM;
-
ret = comedi_pci_enable(dev);
if (ret)
return ret;
subdev++;
}
- if (board->cardtype == TYPE_PCI1760)
- pci1760_attach(dev);
-
pci_dio_reset(dev);
return 0;
{ PCI_VDEVICE(ADVANTECH, 0x1753), TYPE_PCI1753 },
{ PCI_VDEVICE(ADVANTECH, 0x1754), TYPE_PCI1754 },
{ PCI_VDEVICE(ADVANTECH, 0x1756), TYPE_PCI1756 },
- { PCI_VDEVICE(ADVANTECH, 0x1760), TYPE_PCI1760 },
{ PCI_VDEVICE(ADVANTECH, 0x1762), TYPE_PCI1762 },
{ 0 }
};
projects / platform / kernel / linux-rpi.git / commitdiff