// SPDX-License-Identifier: GPL-2.0+
/*
* vmk80xx.c
* Velleman USB Board Low-Level Driver
*
* Copyright (C) 2009 Manuel Gebele <[email protected]>, Germany
*
* COMEDI - Linux Control and Measurement Device Interface
* Copyright (C) 2000 David A. Schleef <[email protected]>
*/
/*
* Driver: vmk80xx
* Description: Velleman USB Board Low-Level Driver
* Devices: [Velleman] K8055 (K8055/VM110), K8061 (K8061/VM140),
* VM110 (K8055/VM110), VM140 (K8061/VM140)
* Author: Manuel Gebele <[email protected]>
* Updated: Sun, 10 May 2009 11:14:59 +0200
* Status: works
*
* Supports:
* - analog input
* - analog output
* - digital input
* - digital output
* - counter
* - pwm
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/errno.h>
#include <linux/input.h>
#include <linux/slab.h>
#include <linux/poll.h>
#include <linux/uaccess.h>
#include <linux/comedi/comedi_usb.h>
enum {
DEVICE_VMK8055,
DEVICE_VMK8061
};
#define VMK8055_DI_REG 0x00
#define VMK8055_DO_REG 0x01
#define VMK8055_AO1_REG 0x02
#define VMK8055_AO2_REG 0x03
#define VMK8055_AI1_REG 0x02
#define VMK8055_AI2_REG 0x03
#define VMK8055_CNT1_REG 0x04
#define VMK8055_CNT2_REG 0x06
#define VMK8061_CH_REG 0x01
#define VMK8061_DI_REG 0x01
#define VMK8061_DO_REG 0x01
#define VMK8061_PWM_REG1 0x01
#define VMK8061_PWM_REG2 0x02
#define VMK8061_CNT_REG 0x02
#define VMK8061_AO_REG 0x02
#define VMK8061_AI_REG1 0x02
#define VMK8061_AI_REG2 0x03
#define VMK8055_CMD_RST 0x00
#define VMK8055_CMD_DEB1_TIME 0x01
#define VMK8055_CMD_DEB2_TIME 0x02
#define VMK8055_CMD_RST_CNT1 0x03
#define VMK8055_CMD_RST_CNT2 0x04
#define VMK8055_CMD_WRT_AD 0x05
#define VMK8061_CMD_RD_AI 0x00
#define VMK8061_CMR_RD_ALL_AI 0x01 /* !non-active! */
#define VMK8061_CMD_SET_AO 0x02
#define VMK8061_CMD_SET_ALL_AO 0x03 /* !non-active! */
#define VMK8061_CMD_OUT_PWM 0x04
#define VMK8061_CMD_RD_DI 0x05
#define VMK8061_CMD_DO 0x06 /* !non-active! */
#define VMK8061_CMD_CLR_DO 0x07
#define VMK8061_CMD_SET_DO 0x08
#define VMK8061_CMD_RD_CNT 0x09 /* TODO: completely pointless? */
#define VMK8061_CMD_RST_CNT 0x0a /* TODO: completely pointless? */
#define VMK8061_CMD_RD_VERSION 0x0b /* internal usage */
#define VMK8061_CMD_RD_JMP_STAT 0x0c /* TODO: not implemented yet */
#define VMK8061_CMD_RD_PWR_STAT 0x0d /* internal usage */
#define VMK8061_CMD_RD_DO 0x0e
#define VMK8061_CMD_RD_AO 0x0f
#define VMK8061_CMD_RD_PWM 0x10
#define IC3_VERSION BIT(0)
#define IC6_VERSION BIT(1)
#define MIN_BUF_SIZE 64
#define PACKET_TIMEOUT 10000 /* ms */
enum vmk80xx_model {
VMK8055_MODEL,
VMK8061_MODEL
};
static const struct comedi_lrange vmk8061_range = {
2, {
UNI_RANGE(5),
UNI_RANGE(10)
}
};
struct vmk80xx_board {
const char *name;
enum vmk80xx_model model;
const struct comedi_lrange *range;
int ai_nchans;
unsigned int ai_maxdata;
int ao_nchans;
int di_nchans;
unsigned int cnt_maxdata;
int pwm_nchans;
unsigned int pwm_maxdata;
};
static const struct vmk80xx_board vmk80xx_boardinfo[] = {
[DEVICE_VMK8055] = {
.name = "K8055 (VM110)",
.model = VMK8055_MODEL,
.range = &range_unipolar5,
.ai_nchans = 2,
.ai_maxdata = 0x00ff,
.ao_nchans = 2,
.di_nchans = 6,
.cnt_maxdata = 0xffff,
},
[DEVICE_VMK8061] = {
.name = "K8061 (VM140)",
.model = VMK8061_MODEL,
.range = &vmk8061_range,
.ai_nchans = 8,
.ai_maxdata = 0x03ff,
.ao_nchans = 8,
.di_nchans = 8,
.cnt_maxdata = 0, /* unknown, device is not writeable */
.pwm_nchans = 1,
.pwm_maxdata = 0x03ff,
},
};
struct vmk80xx_private {
struct usb_endpoint_descriptor *ep_rx;
struct usb_endpoint_descriptor *ep_tx;
struct semaphore limit_sem;
unsigned char *usb_rx_buf;
unsigned char *usb_tx_buf;
enum vmk80xx_model model;
};
static void vmk80xx_do_bulk_msg(struct comedi_device *dev)
{
struct vmk80xx_private *devpriv = dev->private;
struct usb_device *usb = comedi_to_usb_dev(dev);
__u8 tx_addr;
__u8 rx_addr;
unsigned int tx_pipe;
unsigned int rx_pipe;
size_t tx_size;
size_t rx_size;
tx_addr = devpriv->ep_tx->bEndpointAddress;
rx_addr = devpriv->ep_rx->bEndpointAddress;
tx_pipe = usb_sndbulkpipe(usb, tx_addr);
rx_pipe = usb_rcvbulkpipe(usb, rx_addr);
tx_size = usb_endpoint_maxp(devpriv->ep_tx);
rx_size = usb_endpoint_maxp(devpriv->ep_rx);
usb_bulk_msg(usb, tx_pipe, devpriv->usb_tx_buf, tx_size, NULL,
PACKET_TIMEOUT);
usb_bulk_msg(usb, rx_pipe, devpriv->usb_rx_buf, rx_size, NULL,
PACKET_TIMEOUT);
}
static int vmk80xx_read_packet(struct comedi_device *dev)
{
struct vmk80xx_private *devpriv = dev->private;
struct usb_device *usb = comedi_to_usb_dev(dev);
struct usb_endpoint_descriptor *ep;
unsigned int pipe;
if (devpriv->model == VMK8061_MODEL) {
vmk80xx_do_bulk_msg(dev);
return 0;
}
ep = devpriv->ep_rx;
pipe = usb_rcvintpipe(usb, ep->bEndpointAddress);
return usb_interrupt_msg(usb, pipe, devpriv->usb_rx_buf,
usb_endpoint_maxp(ep), NULL,
PACKET_TIMEOUT);
}
static int vmk80xx_write_packet(struct comedi_device *dev, int cmd)
{
struct vmk80xx_private *devpriv = dev->private;
struct usb_device *usb = comedi_to_usb_dev(dev);
struct usb_endpoint_descriptor *ep;
unsigned int pipe;
devpriv->usb_tx_buf[0] = cmd;
if (devpriv->model == VMK8061_MODEL) {
vmk80xx_do_bulk_msg(dev);
return 0;
}
ep = devpriv->ep_tx;
pipe = usb_sndintpipe(usb, ep->bEndpointAddress);
return usb_interrupt_msg(usb, pipe, devpriv->usb_tx_buf,
usb_endpoint_maxp(ep), NULL,
PACKET_TIMEOUT);
}
static int vmk80xx_reset_device(struct comedi_device *dev)
{
struct vmk80xx_private *devpriv = dev->private;
size_t size;
int retval;
size = usb_endpoint_maxp(devpriv->ep_tx);
memset(devpriv->usb_tx_buf, 0, size);
retval = vmk80xx_write_packet(dev, VMK8055_CMD_RST);
if (retval)
return retval;
/* set outputs to known state as we cannot read them */
return vmk80xx_write_packet(dev, VMK8055_CMD_WRT_AD);
}
static int vmk80xx_ai_insn_read(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
struct vmk80xx_private *devpriv = dev->private;
int chan;
int reg[2];
int n;
down(&devpriv->limit_sem);
chan = CR_CHAN(insn->chanspec);
switch (devpriv->model) {
case VMK8055_MODEL:
if (!chan)
reg[0] = VMK8055_AI1_REG;
else
reg[0] = VMK8055_AI2_REG;
break;
case VMK8061_MODEL:
default:
reg[0] = VMK8061_AI_REG1;
reg[1] = VMK8061_AI_REG2;
devpriv->usb_tx_buf[0] = VMK8061_CMD_RD_AI;
devpriv->usb_tx_buf[VMK8061_CH_REG] = chan;
break;
}
for (n = 0; n < insn->n; n++) {
if (vmk80xx_read_packet(dev))
break;
if (devpriv->model == VMK8055_MODEL) {
data[n] = devpriv->usb_rx_buf[reg[0]];
continue;
}
/* VMK8061_MODEL */
data[n] = devpriv->usb_rx_buf[reg[0]] + 256 *
devpriv->usb_rx_buf[reg[1]];
}
up(&devpriv->limit_sem);
return n;
}
static int vmk80xx_ao_insn_write(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
struct vmk80xx_private *devpriv = dev->private;
int chan;
int cmd;
int reg;
int n;
down(&devpriv->limit_sem);
chan = CR_CHAN(insn->chanspec);
switch (devpriv->model) {
case VMK8055_MODEL:
cmd = VMK8055_CMD_WRT_AD;
if (!chan)
reg = VMK8055_AO1_REG;
else
reg = VMK8055_AO2_REG;
break;
default: /* NOTE: avoid compiler warnings */
cmd = VMK8061_CMD_SET_AO;
reg = VMK8061_AO_REG;
devpriv->usb_tx_buf[VMK8061_CH_REG] = chan;
break;
}
for (n = 0; n < insn->n; n++) {
devpriv->usb_tx_buf[reg] = data[n];
if (vmk80xx_write_packet(dev, cmd))
break;
}
up(&devpriv->limit_sem);
return n;
}
static int vmk80xx_ao_insn_read(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
struct vmk80xx_private *devpriv = dev->private;
int chan;
int reg;
int n;
down(&devpriv->limit_sem);
chan = CR_CHAN(insn->chanspec);
reg = VMK8061_AO_REG - 1;
devpriv->usb_tx_buf[0] = VMK8061_CMD_RD_AO;
for (n = 0; n < insn->n; n++) {
if (vmk80xx_read_packet(dev))
break;
data[n] = devpriv->usb_rx_buf[reg + chan];
}
up(&devpriv->limit_sem);
return n;
}
static int vmk80xx_di_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
struct vmk80xx_private *devpriv = dev->private;
unsigned char *rx_buf;
int reg;
int retval;
down(&devpriv->limit_sem);
rx_buf = devpriv->usb_rx_buf;
if (devpriv->model == VMK8061_MODEL) {
reg = VMK8061_DI_REG;
devpriv->usb_tx_buf[0] = VMK8061_CMD_RD_DI;
} else {
reg = VMK8055_DI_REG;
}
retval = vmk80xx_read_packet(dev);
if (!retval) {
if (devpriv->model == VMK8055_MODEL)
data[1] = (((rx_buf[reg] >> 4) & 0x03) |
((rx_buf[reg] << 2) & 0x04) |
((rx_buf[reg] >> 3) & 0x18));
else
data[1] = rx_buf[reg];
retval = 2;
}
up(&devpriv->limit_sem);
return retval;
}
static int vmk80xx_do_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
struct vmk80xx_private *devpriv = dev->private;
unsigned char *rx_buf = devpriv->usb_rx_buf;
unsigned char *tx_buf = devpriv->usb_tx_buf;
int reg, cmd;
int ret = 0;
if (devpriv->model == VMK8061_MODEL) {
reg = VMK8061_DO_REG;
cmd = VMK8061_CMD_DO;
} else { /* VMK8055_MODEL */
reg = VMK8055_DO_REG;
cmd = VMK8055_CMD_WRT_AD;
}
down(&devpriv->limit_sem);
if (comedi_dio_update_state(s, data)) {
tx_buf[reg] = s->state;
ret = vmk80xx_write_packet(dev, cmd);
if (ret)
goto out;
}
if (devpriv->model == VMK8061_MODEL) {
tx_buf[0] = VMK8061_CMD_RD_DO;
ret = vmk80xx_read_packet(dev);
if (ret)
goto out;
data[1] = rx_buf[reg];
} else {
data[1] = s->state;
}
out:
up(&devpriv->limit_sem);
return ret ? ret : insn->n;
}
static int vmk80xx_cnt_insn_read(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
struct vmk80xx_private *devpriv = dev->private;
int chan;
int reg[2];
int n;
down(&devpriv->limit_sem);
chan = CR_CHAN(insn->chanspec);
switch (devpriv->model) {
case VMK8055_MODEL:
if (!chan)
reg[0] = VMK8055_CNT1_REG;
else
reg[0] = VMK8055_CNT2_REG;
break;
case VMK8061_MODEL:
default:
reg[0] = VMK8061_CNT_REG;
reg[1] = VMK8061_CNT_REG;
devpriv->usb_tx_buf[0] = VMK8061_CMD_RD_CNT;
break;
}
for (n = 0; n < insn->n; n++) {
if (vmk80xx_read_packet(dev))
break;
if (devpriv->model == VMK8055_MODEL)
data[n] = devpriv->usb_rx_buf[reg[0]];
else /* VMK8061_MODEL */
data[n] = devpriv->usb_rx_buf[reg[0] * (chan + 1) + 1]
+ 256 * devpriv->usb_rx_buf[reg[1] * 2 + 2];
}
up(&devpriv->limit_sem);
return n;
}
static int vmk80xx_cnt_insn_config(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
struct vmk80xx_private *devpriv = dev->private;
unsigned int chan = CR_CHAN(insn->chanspec);
int cmd;
int reg;
int ret;
down(&devpriv->limit_sem);
switch (data[0]) {
case INSN_CONFIG_RESET:
if (devpriv->model == VMK8055_MODEL) {
if (!chan) {
cmd = VMK8055_CMD_RST_CNT1;
reg = VMK8055_CNT1_REG;
} else {
cmd = VMK8055_CMD_RST_CNT2;
reg = VMK8055_CNT2_REG;
}
devpriv->usb_tx_buf[reg] = 0x00;
} else {
cmd = VMK8061_CMD_RST_CNT;
}
ret = vmk80xx_write_packet(dev, cmd);
break;
default:
ret = -EINVAL;
break;
}
up(&devpriv->limit_sem);
return ret ? ret : insn->n;
}
static int vmk80xx_cnt_insn_write(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
struct vmk80xx_private *devpriv = dev->private;
unsigned long debtime;
unsigned long val;
int chan;
int cmd;
int n;
down(&devpriv->limit_sem);
chan = CR_CHAN(insn->chanspec);
if (!chan)
cmd = VMK8055_CMD_DEB1_TIME;
else
cmd = VMK8055_CMD_DEB2_TIME;
for (n = 0; n < insn->n; n++) {
debtime = data[n];
if (debtime == 0)
debtime = 1;
/* TODO: Prevent overflows */
if (debtime > 7450)
debtime = 7450;
val = int_sqrt(debtime * 1000 / 115);
if (((val + 1) * val) < debtime * 1000 / 115)
val += 1;
devpriv->usb_tx_buf[6 + chan] = val;
if (vmk80xx_write_packet(dev, cmd))
break;
}
up(&devpriv->limit_sem);
return n;
}
static int vmk80xx_pwm_insn_read(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
struct vmk80xx_private *devpriv = dev->private;
unsigned char *tx_buf;
unsigned char *rx_buf;
int reg[2];
int n;
down(&devpriv->limit_sem);
tx_buf = devpriv->usb_tx_buf;
rx_buf = devpriv->usb_rx_buf;
reg[0] = VMK8061_PWM_REG1;
reg[1] = VMK8061_PWM_REG2;
tx_buf[0] = VMK8061_CMD_RD_PWM;
for (n = 0; n < insn->n; n++) {
if (vmk80xx_read_packet(dev))
break;
data[n] = rx_buf[reg[0]] + 4 * rx_buf[reg[1]];
}
up(&devpriv->limit_sem);
return n;
}
static int vmk80xx_pwm_insn_write(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
struct vmk80xx_private *devpriv = dev->private;
unsigned char *tx_buf;
int reg[2];
int cmd;
int n;
down(&devpriv->limit_sem);
tx_buf = devpriv->usb_tx_buf;
reg[0] = VMK8061_PWM_REG1;
reg[1] = VMK8061_PWM_REG2;
cmd = VMK8061_CMD_OUT_PWM;
/*
* The followin piece of code was translated from the inline
* assembler code in the DLL source code.
*
* asm
* mov eax, k ; k is the value (data[n])
* and al, 03h ; al are the lower 8 bits of eax
* mov lo, al ; lo is the low part (tx_buf[reg[0]])
* mov eax, k
* shr eax, 2 ; right shift eax register by 2
* mov hi, al ; hi is the high part (tx_buf[reg[1]])
* end;
*/
for (n = 0; n < insn->n; n++) {
tx_buf[reg[0]] = (unsigned char)(data[n] & 0x03);
tx_buf[reg[1]] = (unsigned char)(data[n] >> 2) & 0xff;
if (vmk80xx_write_packet(dev, cmd))
break;
}
up(&devpriv->limit_sem);
return n;
}
static int vmk80xx_find_usb_endpoints(struct comedi_device *dev)
{
struct vmk80xx_private *devpriv = dev->private;
struct usb_interface *intf = comedi_to_usb_interface(dev);
struct usb_host_interface *iface_desc = intf->cur_altsetting;
struct usb_endpoint_descriptor *ep_rx_desc, *ep_tx_desc;
int ret;
if (devpriv->model == VMK8061_MODEL)
ret = usb_find_common_endpoints(iface_desc, &ep_rx_desc,
&ep_tx_desc, NULL, NULL);
else
ret = usb_find_common_endpoints(iface_desc, NULL, NULL,
&ep_rx_desc, &ep_tx_desc);
if (ret)
return -ENODEV;
devpriv->ep_rx = ep_rx_desc;
devpriv->ep_tx = ep_tx_desc;
if (!usb_endpoint_maxp(devpriv->ep_rx) || !usb_endpoint_maxp(devpriv->ep_tx))
return -EINVAL;
return 0;
}
static int vmk80xx_alloc_usb_buffers(struct comedi_device *dev)
{
struct vmk80xx_private *devpriv = dev->private;
size_t size;
size = max(usb_endpoint_maxp(devpriv->ep_rx), MIN_BUF_SIZE);
devpriv->usb_rx_buf = kzalloc(size, GFP_KERNEL);
if (!devpriv->usb_rx_buf)
return -ENOMEM;
size = max(usb_endpoint_maxp(devpriv->ep_tx), MIN_BUF_SIZE);
devpriv->usb_tx_buf = kzalloc(size, GFP_KERNEL);
if (!devpriv->usb_tx_buf)
return -ENOMEM;
return 0;
}
static int vmk80xx_init_subdevices(struct comedi_device *dev)
{
const struct vmk80xx_board *board = dev->board_ptr;
struct vmk80xx_private *devpriv = dev->private;
struct comedi_subdevice *s;
int n_subd;
int ret;
down(&devpriv->limit_sem);
if (devpriv->model == VMK8055_MODEL)
n_subd = 5;
else
n_subd = 6;
ret = comedi_alloc_subdevices(dev, n_subd);
if (ret) {
up(&devpriv->limit_sem);
return ret;
}
/* Analog input subdevice */
s = &dev->subdevices[0];
s->type = COMEDI_SUBD_AI;
s->subdev_flags = SDF_READABLE | SDF_GROUND;
s->n_chan = board->ai_nchans;
s->maxdata = board->ai_maxdata;
s->range_table = board->range;
s->insn_read = vmk80xx_ai_insn_read;
/* Analog output subdevice */
s = &dev->subdevices[1];
s->type = COMEDI_SUBD_AO;
s->subdev_flags = SDF_WRITABLE | SDF_GROUND;
s->n_chan = board->ao_nchans;
s->maxdata = 0x00ff;
s->range_table = board->range;
s->insn_write = vmk80xx_ao_insn_write;
if (devpriv->model == VMK8061_MODEL) {
s->subdev_flags |= SDF_READABLE;
s->insn_read = vmk80xx_ao_insn_read;
}
/* Digital input subdevice */
s = &dev->subdevices[2];
s->type = COMEDI_SUBD_DI;
s->subdev_flags = SDF_READABLE;
s->n_chan = board->di_nchans;
s->maxdata = 1;
s->range_table = &range_digital;
s->insn_bits = vmk80xx_di_insn_bits;
/* Digital output subdevice */
s = &dev->subdevices[3];
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 = vmk80xx_do_insn_bits;
/* Counter subdevice */
s = &dev->subdevices[4];
s->type = COMEDI_SUBD_COUNTER;
s->subdev_flags = SDF_READABLE;
s->n_chan = 2;
s->maxdata = board->cnt_maxdata;
s->insn_read = vmk80xx_cnt_insn_read;
s->insn_config = vmk80xx_cnt_insn_config;
if (devpriv->model == VMK8055_MODEL) {
s->subdev_flags |= SDF_WRITABLE;
s->insn_write = vmk80xx_cnt_insn_write;
}
/* PWM subdevice */
if (devpriv->model == VMK8061_MODEL) {
s = &dev->subdevices[5];
s->type = COMEDI_SUBD_PWM;
s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
s->n_chan = board->pwm_nchans;
s->maxdata = board->pwm_maxdata;
s->insn_read = vmk80xx_pwm_insn_read;
s->insn_write = vmk80xx_pwm_insn_write;
}
up(&devpriv->limit_sem);
return 0;
}
static int vmk80xx_auto_attach(struct comedi_device *dev,
unsigned long context)
{
struct usb_interface *intf = comedi_to_usb_interface(dev);
const struct vmk80xx_board *board = NULL;
struct vmk80xx_private *devpriv;
int ret;
if (context < ARRAY_SIZE(vmk80xx_boardinfo))
board = &vmk80xx_boardinfo[context];
if (!board)
return -ENODEV;
dev->board_ptr = board;
dev->board_name = board->name;
devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
if (!devpriv)
return -ENOMEM;
devpriv->model = board->model;
sema_init(&devpriv->limit_sem, 8);
ret = vmk80xx_find_usb_endpoints(dev);
if (ret)
return ret;
ret = vmk80xx_alloc_usb_buffers(dev);
if (ret)
return ret;
usb_set_intfdata(intf, devpriv);
if (devpriv->model == VMK8055_MODEL)
vmk80xx_reset_device(dev);
return vmk80xx_init_subdevices(dev);
}
static void vmk80xx_detach(struct comedi_device *dev)
{
struct usb_interface *intf = comedi_to_usb_interface(dev);
struct vmk80xx_private *devpriv = dev->private;
if (!devpriv)
return;
down(&devpriv->limit_sem);
usb_set_intfdata(intf, NULL);
kfree(devpriv->usb_rx_buf);
kfree(devpriv->usb_tx_buf);
up(&devpriv->limit_sem);
}
static struct comedi_driver vmk80xx_driver = {
.module = THIS_MODULE,
.driver_name = "vmk80xx",
.auto_attach = vmk80xx_auto_attach,
.detach = vmk80xx_detach,
};
static int vmk80xx_usb_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
return comedi_usb_auto_config(intf, &vmk80xx_driver, id->driver_info);
}
static const struct usb_device_id vmk80xx_usb_id_table[] = {
{ USB_DEVICE(0x10cf, 0x5500), .driver_info = DEVICE_VMK8055 },
{ USB_DEVICE(0x10cf, 0x5501), .driver_info = DEVICE_VMK8055 },
{ USB_DEVICE(0x10cf, 0x5502), .driver_info = DEVICE_VMK8055 },
{ USB_DEVICE(0x10cf, 0x5503), .driver_info = DEVICE_VMK8055 },
{ USB_DEVICE(0x10cf, 0x8061), .driver_info = DEVICE_VMK8061 },
{ USB_DEVICE(0x10cf, 0x8062), .driver_info = DEVICE_VMK8061 },
{ USB_DEVICE(0x10cf, 0x8063), .driver_info = DEVICE_VMK8061 },
{ USB_DEVICE(0x10cf, 0x8064), .driver_info = DEVICE_VMK8061 },
{ USB_DEVICE(0x10cf, 0x8065), .driver_info = DEVICE_VMK8061 },
{ USB_DEVICE(0x10cf, 0x8066), .driver_info = DEVICE_VMK8061 },
{ USB_DEVICE(0x10cf, 0x8067), .driver_info = DEVICE_VMK8061 },
{ USB_DEVICE(0x10cf, 0x8068), .driver_info = DEVICE_VMK8061 },
{ }
};
MODULE_DEVICE_TABLE(usb, vmk80xx_usb_id_table);
static struct usb_driver vmk80xx_usb_driver = {
.name = "vmk80xx",
.id_table = vmk80xx_usb_id_table,
.probe = vmk80xx_usb_probe,
.disconnect = comedi_usb_auto_unconfig,
};
module_comedi_usb_driver(vmk80xx_driver, vmk80xx_usb_driver);
MODULE_AUTHOR("Manuel Gebele <[email protected]>");
MODULE_DESCRIPTION("Velleman USB Board Low-Level Driver");
MODULE_LICENSE("GPL");
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