/*
- comedi/drivers/vmk80xx.c
- Velleman USB Board Low-Level Driver
-
- Copyright (C) 2009 Manuel Gebele <forensixs@gmx.de>, Germany
-
- 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.
+ * vmk80xx.c
+ * Velleman USB Board Low-Level Driver
+ *
+ * Copyright (C) 2009 Manuel Gebele <forensixs@gmx.de>, Germany
+ *
+ * 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.
+ */
- 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: vmk80xx
* Description: Velleman USB Board Low-Level Driver
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 (1 << 0)
-#define IC6_VERSION (1 << 1)
+#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)
enum vmk80xx_model {
VMK8055_MODEL,
static int vmk80xx_init_subdevices(struct comedi_device *dev)
{
- const struct vmk80xx_board *boardinfo = dev->board_ptr;
+ const struct vmk80xx_board *board = dev->board_ptr;
struct vmk80xx_private *devpriv = dev->private;
struct comedi_subdevice *s;
int n_subd;
s = &dev->subdevices[0];
s->type = COMEDI_SUBD_AI;
s->subdev_flags = SDF_READABLE | SDF_GROUND;
- s->n_chan = boardinfo->ai_nchans;
- s->maxdata = boardinfo->ai_maxdata;
- s->range_table = boardinfo->range;
+ 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 = boardinfo->ao_nchans;
+ s->n_chan = board->ao_nchans;
s->maxdata = 0x00ff;
- s->range_table = boardinfo->range;
+ s->range_table = board->range;
s->insn_write = vmk80xx_ao_insn_write;
if (devpriv->model == VMK8061_MODEL) {
s->subdev_flags |= SDF_READABLE;
s = &dev->subdevices[2];
s->type = COMEDI_SUBD_DI;
s->subdev_flags = SDF_READABLE;
- s->n_chan = boardinfo->di_nchans;
+ s->n_chan = board->di_nchans;
s->maxdata = 1;
s->range_table = &range_digital;
s->insn_bits = vmk80xx_di_insn_bits;
s->type = COMEDI_SUBD_COUNTER;
s->subdev_flags = SDF_READABLE;
s->n_chan = 2;
- s->maxdata = boardinfo->cnt_maxdata;
+ 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 = &dev->subdevices[5];
s->type = COMEDI_SUBD_PWM;
s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
- s->n_chan = boardinfo->pwm_nchans;
- s->maxdata = boardinfo->pwm_maxdata;
+ 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;
}
unsigned long context)
{
struct usb_interface *intf = comedi_to_usb_interface(dev);
- const struct vmk80xx_board *boardinfo;
+ const struct vmk80xx_board *board = NULL;
struct vmk80xx_private *devpriv;
int ret;
- boardinfo = &vmk80xx_boardinfo[context];
- dev->board_ptr = boardinfo;
- dev->board_name = boardinfo->name;
+ 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 = boardinfo->model;
+ devpriv->model = board->model;
ret = vmk80xx_find_usb_endpoints(dev);
if (ret)