Lines Matching +full:pwm +full:- +full:off +full:- +full:delay +full:- +full:ms
1 // SPDX-License-Identifier: GPL-2.0+
4 * Copyright (C) 2011-2015 Bernd Porr, mail@berndporr.me.uk
10 * Devices: [ITL] USB-DUX-SIGMA (usbduxsigma)
18 * wrote the driver for AT-MIO-16d. I used some parts of this
33 * 0.7: rewrite code that urb->interval is always 1
46 /* timeout for the USB-transfer in ms*/
59 /* 300Hz max frequ under PWM */
62 /* Default PWM frequency */
72 * Size of the async input-buffer IN BYTES, the DIO state is transmitted
87 * Size of the output-buffer in bytes
99 /* Number of in-URBs which receive the data: min=2 */
102 /* Number of out-URBs which send the data: min=2 */
105 /* Number of in-URBs which receive the data: min=5 */
109 /* Number of out-URBs which send the data: min=5 */
132 /* actual number of in-buffers */
134 /* actual number of out-buffers */
136 /* ISO-transfer handling: buffers */
139 /* pwm-transfer handling */
141 /* PWM period */
143 /* PWM internal delay for the GPIF in the FX2 */
145 /* size of the PWM buffer which holds the bit pattern */
147 /* input buffer for the ISO-transfer */
180 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_ai_stop()
182 if (do_unlink && devpriv->ai_urbs) in usbduxsigma_ai_stop()
183 usbduxsigma_unlink_urbs(devpriv->ai_urbs, devpriv->n_ai_urbs); in usbduxsigma_ai_stop()
185 devpriv->ai_cmd_running = 0; in usbduxsigma_ai_stop()
191 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_ai_cancel()
193 mutex_lock(&devpriv->mut); in usbduxsigma_ai_cancel()
195 usbduxsigma_ai_stop(dev, devpriv->ai_cmd_running); in usbduxsigma_ai_cancel()
196 mutex_unlock(&devpriv->mut); in usbduxsigma_ai_cancel()
205 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_ai_handle_urb()
206 struct comedi_async *async = s->async; in usbduxsigma_ai_handle_urb()
207 struct comedi_cmd *cmd = &async->cmd; in usbduxsigma_ai_handle_urb()
212 if ((urb->actual_length > 0) && (urb->status != -EXDEV)) { in usbduxsigma_ai_handle_urb()
213 devpriv->ai_counter--; in usbduxsigma_ai_handle_urb()
214 if (devpriv->ai_counter == 0) { in usbduxsigma_ai_handle_urb()
215 devpriv->ai_counter = devpriv->ai_timer; in usbduxsigma_ai_handle_urb()
221 for (i = 0; i < cmd->chanlist_len; i++) { in usbduxsigma_ai_handle_urb()
222 val = be32_to_cpu(devpriv->in_buf[i + 1]); in usbduxsigma_ai_handle_urb()
229 if (cmd->stop_src == TRIG_COUNT && in usbduxsigma_ai_handle_urb()
230 async->scans_done >= cmd->stop_arg) in usbduxsigma_ai_handle_urb()
231 async->events |= COMEDI_CB_EOA; in usbduxsigma_ai_handle_urb()
236 if (!(async->events & COMEDI_CB_CANCEL_MASK)) { in usbduxsigma_ai_handle_urb()
237 urb->dev = comedi_to_usb_dev(dev); in usbduxsigma_ai_handle_urb()
240 dev_err(dev->class_dev, "urb resubmit failed (%d)\n", in usbduxsigma_ai_handle_urb()
242 if (ret == -EL2NSYNC) in usbduxsigma_ai_handle_urb()
243 dev_err(dev->class_dev, in usbduxsigma_ai_handle_urb()
245 async->events |= COMEDI_CB_ERROR; in usbduxsigma_ai_handle_urb()
252 struct comedi_device *dev = urb->context; in usbduxsigma_ai_urb_complete()
253 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_ai_urb_complete()
254 struct comedi_subdevice *s = dev->read_subdev; in usbduxsigma_ai_urb_complete()
255 struct comedi_async *async = s->async; in usbduxsigma_ai_urb_complete()
258 if (!devpriv->ai_cmd_running) in usbduxsigma_ai_urb_complete()
261 switch (urb->status) { in usbduxsigma_ai_urb_complete()
264 memcpy(devpriv->in_buf, urb->transfer_buffer, SIZEINBUF); in usbduxsigma_ai_urb_complete()
268 case -EILSEQ: in usbduxsigma_ai_urb_complete()
274 dev_dbg(dev->class_dev, "CRC error in ISO IN stream\n"); in usbduxsigma_ai_urb_complete()
278 case -ECONNRESET: in usbduxsigma_ai_urb_complete()
279 case -ENOENT: in usbduxsigma_ai_urb_complete()
280 case -ESHUTDOWN: in usbduxsigma_ai_urb_complete()
281 case -ECONNABORTED: in usbduxsigma_ai_urb_complete()
283 async->events |= COMEDI_CB_ERROR; in usbduxsigma_ai_urb_complete()
288 dev_err(dev->class_dev, "non-zero urb status (%d)\n", in usbduxsigma_ai_urb_complete()
289 urb->status); in usbduxsigma_ai_urb_complete()
290 async->events |= COMEDI_CB_ERROR; in usbduxsigma_ai_urb_complete()
298 if (async->events & COMEDI_CB_CANCEL_MASK) in usbduxsigma_ai_urb_complete()
306 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_ao_stop()
308 if (do_unlink && devpriv->ao_urbs) in usbduxsigma_ao_stop()
309 usbduxsigma_unlink_urbs(devpriv->ao_urbs, devpriv->n_ao_urbs); in usbduxsigma_ao_stop()
311 devpriv->ao_cmd_running = 0; in usbduxsigma_ao_stop()
317 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_ao_cancel()
319 mutex_lock(&devpriv->mut); in usbduxsigma_ao_cancel()
321 usbduxsigma_ao_stop(dev, devpriv->ao_cmd_running); in usbduxsigma_ao_cancel()
322 mutex_unlock(&devpriv->mut); in usbduxsigma_ao_cancel()
331 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_ao_handle_urb()
332 struct comedi_async *async = s->async; in usbduxsigma_ao_handle_urb()
333 struct comedi_cmd *cmd = &async->cmd; in usbduxsigma_ao_handle_urb()
338 devpriv->ao_counter--; in usbduxsigma_ao_handle_urb()
339 if (devpriv->ao_counter == 0) { in usbduxsigma_ao_handle_urb()
340 devpriv->ao_counter = devpriv->ao_timer; in usbduxsigma_ao_handle_urb()
342 if (cmd->stop_src == TRIG_COUNT && in usbduxsigma_ao_handle_urb()
343 async->scans_done >= cmd->stop_arg) { in usbduxsigma_ao_handle_urb()
344 async->events |= COMEDI_CB_EOA; in usbduxsigma_ao_handle_urb()
349 datap = urb->transfer_buffer; in usbduxsigma_ao_handle_urb()
350 *datap++ = cmd->chanlist_len; in usbduxsigma_ao_handle_urb()
351 for (i = 0; i < cmd->chanlist_len; i++) { in usbduxsigma_ao_handle_urb()
352 unsigned int chan = CR_CHAN(cmd->chanlist[i]); in usbduxsigma_ao_handle_urb()
356 dev_err(dev->class_dev, "buffer underflow\n"); in usbduxsigma_ao_handle_urb()
357 async->events |= COMEDI_CB_OVERFLOW; in usbduxsigma_ao_handle_urb()
363 s->readback[chan] = val; in usbduxsigma_ao_handle_urb()
368 if (!(async->events & COMEDI_CB_CANCEL_MASK)) { in usbduxsigma_ao_handle_urb()
369 urb->transfer_buffer_length = SIZEOUTBUF; in usbduxsigma_ao_handle_urb()
370 urb->dev = comedi_to_usb_dev(dev); in usbduxsigma_ao_handle_urb()
371 urb->status = 0; in usbduxsigma_ao_handle_urb()
372 urb->interval = 1; /* (u)frames */ in usbduxsigma_ao_handle_urb()
373 urb->number_of_packets = 1; in usbduxsigma_ao_handle_urb()
374 urb->iso_frame_desc[0].offset = 0; in usbduxsigma_ao_handle_urb()
375 urb->iso_frame_desc[0].length = SIZEOUTBUF; in usbduxsigma_ao_handle_urb()
376 urb->iso_frame_desc[0].status = 0; in usbduxsigma_ao_handle_urb()
379 dev_err(dev->class_dev, "urb resubmit failed (%d)\n", in usbduxsigma_ao_handle_urb()
381 if (ret == -EL2NSYNC) in usbduxsigma_ao_handle_urb()
382 dev_err(dev->class_dev, in usbduxsigma_ao_handle_urb()
384 async->events |= COMEDI_CB_ERROR; in usbduxsigma_ao_handle_urb()
391 struct comedi_device *dev = urb->context; in usbduxsigma_ao_urb_complete()
392 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_ao_urb_complete()
393 struct comedi_subdevice *s = dev->write_subdev; in usbduxsigma_ao_urb_complete()
394 struct comedi_async *async = s->async; in usbduxsigma_ao_urb_complete()
397 if (!devpriv->ao_cmd_running) in usbduxsigma_ao_urb_complete()
400 switch (urb->status) { in usbduxsigma_ao_urb_complete()
405 case -ECONNRESET: in usbduxsigma_ao_urb_complete()
406 case -ENOENT: in usbduxsigma_ao_urb_complete()
407 case -ESHUTDOWN: in usbduxsigma_ao_urb_complete()
408 case -ECONNABORTED: in usbduxsigma_ao_urb_complete()
410 async->events |= COMEDI_CB_ERROR; in usbduxsigma_ao_urb_complete()
415 dev_err(dev->class_dev, "non-zero urb status (%d)\n", in usbduxsigma_ao_urb_complete()
416 urb->status); in usbduxsigma_ao_urb_complete()
417 async->events |= COMEDI_CB_ERROR; in usbduxsigma_ao_urb_complete()
425 if (async->events & COMEDI_CB_CANCEL_MASK) in usbduxsigma_ao_urb_complete()
446 urb->interval = 1; in usbduxsigma_submit_urbs()
447 urb->context = dev; in usbduxsigma_submit_urbs()
448 urb->dev = usb; in usbduxsigma_submit_urbs()
449 urb->status = 0; in usbduxsigma_submit_urbs()
450 urb->transfer_flags = URB_ISO_ASAP; in usbduxsigma_submit_urbs()
472 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_ai_cmdtest()
473 int high_speed = devpriv->high_speed; in usbduxsigma_ai_cmdtest()
474 int interval = usbduxsigma_chans_to_interval(cmd->chanlist_len); in usbduxsigma_ai_cmdtest()
480 err |= comedi_check_trigger_src(&cmd->start_src, TRIG_NOW | TRIG_INT); in usbduxsigma_ai_cmdtest()
481 err |= comedi_check_trigger_src(&cmd->scan_begin_src, TRIG_TIMER); in usbduxsigma_ai_cmdtest()
482 err |= comedi_check_trigger_src(&cmd->convert_src, TRIG_NOW); in usbduxsigma_ai_cmdtest()
483 err |= comedi_check_trigger_src(&cmd->scan_end_src, TRIG_COUNT); in usbduxsigma_ai_cmdtest()
484 err |= comedi_check_trigger_src(&cmd->stop_src, TRIG_COUNT | TRIG_NONE); in usbduxsigma_ai_cmdtest()
491 err |= comedi_check_trigger_is_unique(cmd->start_src); in usbduxsigma_ai_cmdtest()
492 err |= comedi_check_trigger_is_unique(cmd->stop_src); in usbduxsigma_ai_cmdtest()
501 err |= comedi_check_trigger_arg_is(&cmd->start_arg, 0); in usbduxsigma_ai_cmdtest()
510 err |= comedi_check_trigger_arg_min(&cmd->scan_begin_arg, in usbduxsigma_ai_cmdtest()
515 err |= comedi_check_trigger_arg_min(&cmd->scan_begin_arg, in usbduxsigma_ai_cmdtest()
519 err |= comedi_check_trigger_arg_is(&cmd->scan_end_arg, in usbduxsigma_ai_cmdtest()
520 cmd->chanlist_len); in usbduxsigma_ai_cmdtest()
522 if (cmd->stop_src == TRIG_COUNT) in usbduxsigma_ai_cmdtest()
523 err |= comedi_check_trigger_arg_min(&cmd->stop_arg, 1); in usbduxsigma_ai_cmdtest()
525 err |= comedi_check_trigger_arg_is(&cmd->stop_arg, 0); in usbduxsigma_ai_cmdtest()
532 tmp = rounddown(cmd->scan_begin_arg, high_speed ? 125000 : 1000000); in usbduxsigma_ai_cmdtest()
533 err |= comedi_check_trigger_arg_is(&cmd->scan_begin_arg, tmp); in usbduxsigma_ai_cmdtest()
551 (*muxsg1) = (*muxsg1) | (1 << (chan - 8)); in create_adc_command()
557 struct usbduxsigma_private *devpriv = dev->private; in usbbuxsigma_send_cmd()
560 devpriv->dux_commands[0] = cmd_type; in usbbuxsigma_send_cmd()
563 devpriv->dux_commands, SIZEOFDUXBUFFER, in usbbuxsigma_send_cmd()
570 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_receive_cmd()
577 devpriv->insn_buf, SIZEINSNBUF, in usbduxsigma_receive_cmd()
582 if (devpriv->insn_buf[0] == command) in usbduxsigma_receive_cmd()
589 return -EFAULT; in usbduxsigma_receive_cmd()
596 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_ai_inttrig()
597 struct comedi_cmd *cmd = &s->async->cmd; in usbduxsigma_ai_inttrig()
600 if (trig_num != cmd->start_arg) in usbduxsigma_ai_inttrig()
601 return -EINVAL; in usbduxsigma_ai_inttrig()
603 mutex_lock(&devpriv->mut); in usbduxsigma_ai_inttrig()
604 if (!devpriv->ai_cmd_running) { in usbduxsigma_ai_inttrig()
605 devpriv->ai_cmd_running = 1; in usbduxsigma_ai_inttrig()
606 ret = usbduxsigma_submit_urbs(dev, devpriv->ai_urbs, in usbduxsigma_ai_inttrig()
607 devpriv->n_ai_urbs, 1); in usbduxsigma_ai_inttrig()
609 devpriv->ai_cmd_running = 0; in usbduxsigma_ai_inttrig()
610 mutex_unlock(&devpriv->mut); in usbduxsigma_ai_inttrig()
613 s->async->inttrig = NULL; in usbduxsigma_ai_inttrig()
615 mutex_unlock(&devpriv->mut); in usbduxsigma_ai_inttrig()
623 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_ai_cmd()
624 struct comedi_cmd *cmd = &s->async->cmd; in usbduxsigma_ai_cmd()
625 unsigned int len = cmd->chanlist_len; in usbduxsigma_ai_cmd()
632 mutex_lock(&devpriv->mut); in usbduxsigma_ai_cmd()
634 if (devpriv->high_speed) { in usbduxsigma_ai_cmd()
637 * sample all 16 channels we need 1ms. If we sample only one in usbduxsigma_ai_cmd()
642 devpriv->ai_interval = interval; in usbduxsigma_ai_cmd()
643 devpriv->ai_timer = cmd->scan_begin_arg / (125000 * interval); in usbduxsigma_ai_cmd()
645 /* interval always 1ms */ in usbduxsigma_ai_cmd()
646 devpriv->ai_interval = 1; in usbduxsigma_ai_cmd()
647 devpriv->ai_timer = cmd->scan_begin_arg / 1000000; in usbduxsigma_ai_cmd()
651 unsigned int chan = CR_CHAN(cmd->chanlist[i]); in usbduxsigma_ai_cmd()
656 devpriv->dux_commands[1] = devpriv->ai_interval; in usbduxsigma_ai_cmd()
657 devpriv->dux_commands[2] = len; /* num channels per time step */ in usbduxsigma_ai_cmd()
658 devpriv->dux_commands[3] = 0x12; /* CONFIG0 */ in usbduxsigma_ai_cmd()
659 devpriv->dux_commands[4] = 0x03; /* CONFIG1: 23kHz sample, delay 0us */ in usbduxsigma_ai_cmd()
660 devpriv->dux_commands[5] = 0x00; /* CONFIG3: diff. channels off */ in usbduxsigma_ai_cmd()
661 devpriv->dux_commands[6] = muxsg0; in usbduxsigma_ai_cmd()
662 devpriv->dux_commands[7] = muxsg1; in usbduxsigma_ai_cmd()
663 devpriv->dux_commands[8] = sysred; in usbduxsigma_ai_cmd()
667 mutex_unlock(&devpriv->mut); in usbduxsigma_ai_cmd()
671 devpriv->ai_counter = devpriv->ai_timer; in usbduxsigma_ai_cmd()
673 if (cmd->start_src == TRIG_NOW) { in usbduxsigma_ai_cmd()
675 devpriv->ai_cmd_running = 1; in usbduxsigma_ai_cmd()
676 ret = usbduxsigma_submit_urbs(dev, devpriv->ai_urbs, in usbduxsigma_ai_cmd()
677 devpriv->n_ai_urbs, 1); in usbduxsigma_ai_cmd()
679 devpriv->ai_cmd_running = 0; in usbduxsigma_ai_cmd()
680 mutex_unlock(&devpriv->mut); in usbduxsigma_ai_cmd()
683 s->async->inttrig = NULL; in usbduxsigma_ai_cmd()
685 s->async->inttrig = usbduxsigma_ai_inttrig; in usbduxsigma_ai_cmd()
688 mutex_unlock(&devpriv->mut); in usbduxsigma_ai_cmd()
698 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_ai_insn_read()
699 unsigned int chan = CR_CHAN(insn->chanspec); in usbduxsigma_ai_insn_read()
706 mutex_lock(&devpriv->mut); in usbduxsigma_ai_insn_read()
707 if (devpriv->ai_cmd_running) { in usbduxsigma_ai_insn_read()
708 mutex_unlock(&devpriv->mut); in usbduxsigma_ai_insn_read()
709 return -EBUSY; in usbduxsigma_ai_insn_read()
715 devpriv->dux_commands[1] = 0x16; /* CONFIG0: chopper on */ in usbduxsigma_ai_insn_read()
716 devpriv->dux_commands[2] = 0x80; /* CONFIG1: 2kHz sampling rate */ in usbduxsigma_ai_insn_read()
717 devpriv->dux_commands[3] = 0x00; /* CONFIG3: diff. channels off */ in usbduxsigma_ai_insn_read()
718 devpriv->dux_commands[4] = muxsg0; in usbduxsigma_ai_insn_read()
719 devpriv->dux_commands[5] = muxsg1; in usbduxsigma_ai_insn_read()
720 devpriv->dux_commands[6] = sysred; in usbduxsigma_ai_insn_read()
725 mutex_unlock(&devpriv->mut); in usbduxsigma_ai_insn_read()
729 for (i = 0; i < insn->n; i++) { in usbduxsigma_ai_insn_read()
734 mutex_unlock(&devpriv->mut); in usbduxsigma_ai_insn_read()
740 *)(devpriv->insn_buf + 1))); in usbduxsigma_ai_insn_read()
744 mutex_unlock(&devpriv->mut); in usbduxsigma_ai_insn_read()
746 return insn->n; in usbduxsigma_ai_insn_read()
754 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_ao_insn_read()
757 mutex_lock(&devpriv->mut); in usbduxsigma_ao_insn_read()
759 mutex_unlock(&devpriv->mut); in usbduxsigma_ao_insn_read()
769 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_ao_insn_write()
770 unsigned int chan = CR_CHAN(insn->chanspec); in usbduxsigma_ao_insn_write()
774 mutex_lock(&devpriv->mut); in usbduxsigma_ao_insn_write()
775 if (devpriv->ao_cmd_running) { in usbduxsigma_ao_insn_write()
776 mutex_unlock(&devpriv->mut); in usbduxsigma_ao_insn_write()
777 return -EBUSY; in usbduxsigma_ao_insn_write()
780 for (i = 0; i < insn->n; i++) { in usbduxsigma_ao_insn_write()
781 devpriv->dux_commands[1] = 1; /* num channels */ in usbduxsigma_ao_insn_write()
782 devpriv->dux_commands[2] = data[i]; /* value */ in usbduxsigma_ao_insn_write()
783 devpriv->dux_commands[3] = chan; /* channel number */ in usbduxsigma_ao_insn_write()
786 mutex_unlock(&devpriv->mut); in usbduxsigma_ao_insn_write()
789 s->readback[chan] = data[i]; in usbduxsigma_ao_insn_write()
791 mutex_unlock(&devpriv->mut); in usbduxsigma_ao_insn_write()
793 return insn->n; in usbduxsigma_ao_insn_write()
800 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_ao_inttrig()
801 struct comedi_cmd *cmd = &s->async->cmd; in usbduxsigma_ao_inttrig()
804 if (trig_num != cmd->start_arg) in usbduxsigma_ao_inttrig()
805 return -EINVAL; in usbduxsigma_ao_inttrig()
807 mutex_lock(&devpriv->mut); in usbduxsigma_ao_inttrig()
808 if (!devpriv->ao_cmd_running) { in usbduxsigma_ao_inttrig()
809 devpriv->ao_cmd_running = 1; in usbduxsigma_ao_inttrig()
810 ret = usbduxsigma_submit_urbs(dev, devpriv->ao_urbs, in usbduxsigma_ao_inttrig()
811 devpriv->n_ao_urbs, 0); in usbduxsigma_ao_inttrig()
813 devpriv->ao_cmd_running = 0; in usbduxsigma_ao_inttrig()
814 mutex_unlock(&devpriv->mut); in usbduxsigma_ao_inttrig()
817 s->async->inttrig = NULL; in usbduxsigma_ao_inttrig()
819 mutex_unlock(&devpriv->mut); in usbduxsigma_ao_inttrig()
828 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_ao_cmdtest()
834 err |= comedi_check_trigger_src(&cmd->start_src, TRIG_NOW | TRIG_INT); in usbduxsigma_ao_cmdtest()
838 * (cmd->scan_begin_src == TRIG_TIMER, cmd->convert_src == TRIG_NOW). in usbduxsigma_ao_cmdtest()
842 * (cmd->scan_begin_src == TRIG_FOLLOW, cmd->convert_src == TRIG_TIMER). in usbduxsigma_ao_cmdtest()
844 err |= comedi_check_trigger_src(&cmd->scan_begin_src, TRIG_TIMER); in usbduxsigma_ao_cmdtest()
845 err |= comedi_check_trigger_src(&cmd->convert_src, TRIG_NOW); in usbduxsigma_ao_cmdtest()
846 err |= comedi_check_trigger_src(&cmd->scan_end_src, TRIG_COUNT); in usbduxsigma_ao_cmdtest()
847 err |= comedi_check_trigger_src(&cmd->stop_src, TRIG_COUNT | TRIG_NONE); in usbduxsigma_ao_cmdtest()
850 mutex_unlock(&devpriv->mut); in usbduxsigma_ao_cmdtest()
856 err |= comedi_check_trigger_is_unique(cmd->start_src); in usbduxsigma_ao_cmdtest()
857 err |= comedi_check_trigger_is_unique(cmd->stop_src); in usbduxsigma_ao_cmdtest()
866 err |= comedi_check_trigger_arg_is(&cmd->start_arg, 0); in usbduxsigma_ao_cmdtest()
868 err |= comedi_check_trigger_arg_min(&cmd->scan_begin_arg, 1000000); in usbduxsigma_ao_cmdtest()
870 err |= comedi_check_trigger_arg_is(&cmd->scan_end_arg, in usbduxsigma_ao_cmdtest()
871 cmd->chanlist_len); in usbduxsigma_ao_cmdtest()
873 if (cmd->stop_src == TRIG_COUNT) in usbduxsigma_ao_cmdtest()
874 err |= comedi_check_trigger_arg_min(&cmd->stop_arg, 1); in usbduxsigma_ao_cmdtest()
876 err |= comedi_check_trigger_arg_is(&cmd->stop_arg, 0); in usbduxsigma_ao_cmdtest()
883 tmp = rounddown(cmd->scan_begin_arg, 1000000); in usbduxsigma_ao_cmdtest()
884 err |= comedi_check_trigger_arg_is(&cmd->scan_begin_arg, tmp); in usbduxsigma_ao_cmdtest()
895 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_ao_cmd()
896 struct comedi_cmd *cmd = &s->async->cmd; in usbduxsigma_ao_cmd()
899 mutex_lock(&devpriv->mut); in usbduxsigma_ao_cmd()
905 * Timing of the scan: every 1ms all channels updated at once. in usbduxsigma_ao_cmd()
907 devpriv->ao_timer = cmd->scan_begin_arg / 1000000; in usbduxsigma_ao_cmd()
909 devpriv->ao_counter = devpriv->ao_timer; in usbduxsigma_ao_cmd()
911 if (cmd->start_src == TRIG_NOW) { in usbduxsigma_ao_cmd()
913 devpriv->ao_cmd_running = 1; in usbduxsigma_ao_cmd()
914 ret = usbduxsigma_submit_urbs(dev, devpriv->ao_urbs, in usbduxsigma_ao_cmd()
915 devpriv->n_ao_urbs, 0); in usbduxsigma_ao_cmd()
917 devpriv->ao_cmd_running = 0; in usbduxsigma_ao_cmd()
918 mutex_unlock(&devpriv->mut); in usbduxsigma_ao_cmd()
921 s->async->inttrig = NULL; in usbduxsigma_ao_cmd()
923 s->async->inttrig = usbduxsigma_ao_inttrig; in usbduxsigma_ao_cmd()
926 mutex_unlock(&devpriv->mut); in usbduxsigma_ao_cmd()
946 return insn->n; in usbduxsigma_dio_insn_config()
954 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_dio_insn_bits()
957 mutex_lock(&devpriv->mut); in usbduxsigma_dio_insn_bits()
962 devpriv->dux_commands[1] = s->io_bits & 0xff; in usbduxsigma_dio_insn_bits()
963 devpriv->dux_commands[4] = s->state & 0xff; in usbduxsigma_dio_insn_bits()
964 devpriv->dux_commands[2] = (s->io_bits >> 8) & 0xff; in usbduxsigma_dio_insn_bits()
965 devpriv->dux_commands[5] = (s->state >> 8) & 0xff; in usbduxsigma_dio_insn_bits()
966 devpriv->dux_commands[3] = (s->io_bits >> 16) & 0xff; in usbduxsigma_dio_insn_bits()
967 devpriv->dux_commands[6] = (s->state >> 16) & 0xff; in usbduxsigma_dio_insn_bits()
976 s->state = devpriv->insn_buf[1] | in usbduxsigma_dio_insn_bits()
977 (devpriv->insn_buf[2] << 8) | in usbduxsigma_dio_insn_bits()
978 (devpriv->insn_buf[3] << 16); in usbduxsigma_dio_insn_bits()
980 data[1] = s->state; in usbduxsigma_dio_insn_bits()
981 ret = insn->n; in usbduxsigma_dio_insn_bits()
984 mutex_unlock(&devpriv->mut); in usbduxsigma_dio_insn_bits()
991 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_pwm_stop()
994 if (devpriv->pwm_urb) in usbduxsigma_pwm_stop()
995 usb_kill_urb(devpriv->pwm_urb); in usbduxsigma_pwm_stop()
998 devpriv->pwm_cmd_running = 0; in usbduxsigma_pwm_stop()
1004 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_pwm_cancel()
1007 usbduxsigma_pwm_stop(dev, devpriv->pwm_cmd_running); in usbduxsigma_pwm_cancel()
1014 struct comedi_device *dev = urb->context; in usbduxsigma_pwm_urb_complete()
1015 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_pwm_urb_complete()
1018 switch (urb->status) { in usbduxsigma_pwm_urb_complete()
1023 case -ECONNRESET: in usbduxsigma_pwm_urb_complete()
1024 case -ENOENT: in usbduxsigma_pwm_urb_complete()
1025 case -ESHUTDOWN: in usbduxsigma_pwm_urb_complete()
1026 case -ECONNABORTED: in usbduxsigma_pwm_urb_complete()
1028 if (devpriv->pwm_cmd_running) in usbduxsigma_pwm_urb_complete()
1034 if (devpriv->pwm_cmd_running) { in usbduxsigma_pwm_urb_complete()
1035 dev_err(dev->class_dev, "non-zero urb status (%d)\n", in usbduxsigma_pwm_urb_complete()
1036 urb->status); in usbduxsigma_pwm_urb_complete()
1042 if (!devpriv->pwm_cmd_running) in usbduxsigma_pwm_urb_complete()
1045 urb->transfer_buffer_length = devpriv->pwm_buf_sz; in usbduxsigma_pwm_urb_complete()
1046 urb->dev = comedi_to_usb_dev(dev); in usbduxsigma_pwm_urb_complete()
1047 urb->status = 0; in usbduxsigma_pwm_urb_complete()
1050 dev_err(dev->class_dev, "urb resubmit failed (%d)\n", ret); in usbduxsigma_pwm_urb_complete()
1051 if (ret == -EL2NSYNC) in usbduxsigma_pwm_urb_complete()
1052 dev_err(dev->class_dev, in usbduxsigma_pwm_urb_complete()
1061 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_submit_pwm_urb()
1062 struct urb *urb = devpriv->pwm_urb; in usbduxsigma_submit_pwm_urb()
1066 urb->transfer_buffer, devpriv->pwm_buf_sz, in usbduxsigma_submit_pwm_urb()
1076 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_pwm_period()
1080 return -EAGAIN; in usbduxsigma_pwm_period()
1082 fx2delay = (period / (6 * 512 * 1000 / 33)) - 6; in usbduxsigma_pwm_period()
1084 return -EAGAIN; in usbduxsigma_pwm_period()
1086 devpriv->pwm_delay = fx2delay; in usbduxsigma_pwm_period()
1087 devpriv->pwm_period = period; in usbduxsigma_pwm_period()
1094 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_pwm_start()
1097 if (devpriv->pwm_cmd_running) in usbduxsigma_pwm_start()
1100 devpriv->dux_commands[1] = devpriv->pwm_delay; in usbduxsigma_pwm_start()
1105 memset(devpriv->pwm_urb->transfer_buffer, 0, devpriv->pwm_buf_sz); in usbduxsigma_pwm_start()
1107 devpriv->pwm_cmd_running = 1; in usbduxsigma_pwm_start()
1110 devpriv->pwm_cmd_running = 0; in usbduxsigma_pwm_start()
1123 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_pwm_pattern()
1124 char pwm_mask = (1 << chan); /* DIO bit for the PWM data */ in usbduxsigma_pwm_pattern()
1126 char *buf = (char *)(devpriv->pwm_urb->transfer_buffer); in usbduxsigma_pwm_pattern()
1127 int szbuf = devpriv->pwm_buf_sz; in usbduxsigma_pwm_pattern()
1149 unsigned int chan = CR_CHAN(insn->chanspec); in usbduxsigma_pwm_write()
1153 * because it would just overwrite the PWM buffer. in usbduxsigma_pwm_write()
1155 if (insn->n != 1) in usbduxsigma_pwm_write()
1156 return -EINVAL; in usbduxsigma_pwm_write()
1164 return insn->n; in usbduxsigma_pwm_write()
1172 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_pwm_config()
1173 unsigned int chan = CR_CHAN(insn->chanspec); in usbduxsigma_pwm_config()
1178 * if not zero the PWM is limited to a certain time which is in usbduxsigma_pwm_config()
1182 return -EINVAL; in usbduxsigma_pwm_config()
1187 data[1] = devpriv->pwm_cmd_running; in usbduxsigma_pwm_config()
1192 data[1] = devpriv->pwm_period; in usbduxsigma_pwm_config()
1203 return -EINVAL; in usbduxsigma_pwm_config()
1205 return -EINVAL; in usbduxsigma_pwm_config()
1210 struct comedi_subdevice *s = dev->read_subdev; in usbduxsigma_getstatusinfo()
1211 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_getstatusinfo()
1238 devpriv->dux_commands[1] = 0x12; /* CONFIG0 */ in usbduxsigma_getstatusinfo()
1239 devpriv->dux_commands[2] = 0x80; /* CONFIG1: 2kHz sampling rate */ in usbduxsigma_getstatusinfo()
1240 devpriv->dux_commands[3] = 0x00; /* CONFIG3: diff. channels off */ in usbduxsigma_getstatusinfo()
1241 devpriv->dux_commands[4] = 0; in usbduxsigma_getstatusinfo()
1242 devpriv->dux_commands[5] = 0; in usbduxsigma_getstatusinfo()
1243 devpriv->dux_commands[6] = sysred; in usbduxsigma_getstatusinfo()
1253 val = be32_to_cpu(get_unaligned((__be32 *)(devpriv->insn_buf + 1))); in usbduxsigma_getstatusinfo()
1272 dev_err(dev->class_dev, "firmware binary too large for FX2\n"); in usbduxsigma_firmware_upload()
1273 return -ENOMEM; in usbduxsigma_firmware_upload()
1279 return -ENOMEM; in usbduxsigma_firmware_upload()
1285 return -ENOMEM; in usbduxsigma_firmware_upload()
1297 dev_err(dev->class_dev, "can not stop firmware\n"); in usbduxsigma_firmware_upload()
1309 dev_err(dev->class_dev, "firmware upload failed\n"); in usbduxsigma_firmware_upload()
1322 dev_err(dev->class_dev, "can not start firmware\n"); in usbduxsigma_firmware_upload()
1333 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_alloc_usb_buffers()
1337 devpriv->dux_commands = kzalloc(SIZEOFDUXBUFFER, GFP_KERNEL); in usbduxsigma_alloc_usb_buffers()
1338 devpriv->in_buf = kzalloc(SIZEINBUF, GFP_KERNEL); in usbduxsigma_alloc_usb_buffers()
1339 devpriv->insn_buf = kzalloc(SIZEINSNBUF, GFP_KERNEL); in usbduxsigma_alloc_usb_buffers()
1340 devpriv->ai_urbs = kcalloc(devpriv->n_ai_urbs, sizeof(urb), GFP_KERNEL); in usbduxsigma_alloc_usb_buffers()
1341 devpriv->ao_urbs = kcalloc(devpriv->n_ao_urbs, sizeof(urb), GFP_KERNEL); in usbduxsigma_alloc_usb_buffers()
1342 if (!devpriv->dux_commands || !devpriv->in_buf || !devpriv->insn_buf || in usbduxsigma_alloc_usb_buffers()
1343 !devpriv->ai_urbs || !devpriv->ao_urbs) in usbduxsigma_alloc_usb_buffers()
1344 return -ENOMEM; in usbduxsigma_alloc_usb_buffers()
1346 for (i = 0; i < devpriv->n_ai_urbs; i++) { in usbduxsigma_alloc_usb_buffers()
1347 /* one frame: 1ms */ in usbduxsigma_alloc_usb_buffers()
1350 return -ENOMEM; in usbduxsigma_alloc_usb_buffers()
1351 devpriv->ai_urbs[i] = urb; in usbduxsigma_alloc_usb_buffers()
1352 urb->dev = usb; in usbduxsigma_alloc_usb_buffers()
1353 /* will be filled later with a pointer to the comedi-device */ in usbduxsigma_alloc_usb_buffers()
1355 urb->context = NULL; in usbduxsigma_alloc_usb_buffers()
1356 urb->pipe = usb_rcvisocpipe(usb, 6); in usbduxsigma_alloc_usb_buffers()
1357 urb->transfer_flags = URB_ISO_ASAP; in usbduxsigma_alloc_usb_buffers()
1358 urb->transfer_buffer = kzalloc(SIZEINBUF, GFP_KERNEL); in usbduxsigma_alloc_usb_buffers()
1359 if (!urb->transfer_buffer) in usbduxsigma_alloc_usb_buffers()
1360 return -ENOMEM; in usbduxsigma_alloc_usb_buffers()
1361 urb->complete = usbduxsigma_ai_urb_complete; in usbduxsigma_alloc_usb_buffers()
1362 urb->number_of_packets = 1; in usbduxsigma_alloc_usb_buffers()
1363 urb->transfer_buffer_length = SIZEINBUF; in usbduxsigma_alloc_usb_buffers()
1364 urb->iso_frame_desc[0].offset = 0; in usbduxsigma_alloc_usb_buffers()
1365 urb->iso_frame_desc[0].length = SIZEINBUF; in usbduxsigma_alloc_usb_buffers()
1368 for (i = 0; i < devpriv->n_ao_urbs; i++) { in usbduxsigma_alloc_usb_buffers()
1369 /* one frame: 1ms */ in usbduxsigma_alloc_usb_buffers()
1372 return -ENOMEM; in usbduxsigma_alloc_usb_buffers()
1373 devpriv->ao_urbs[i] = urb; in usbduxsigma_alloc_usb_buffers()
1374 urb->dev = usb; in usbduxsigma_alloc_usb_buffers()
1375 /* will be filled later with a pointer to the comedi-device */ in usbduxsigma_alloc_usb_buffers()
1377 urb->context = NULL; in usbduxsigma_alloc_usb_buffers()
1378 urb->pipe = usb_sndisocpipe(usb, 2); in usbduxsigma_alloc_usb_buffers()
1379 urb->transfer_flags = URB_ISO_ASAP; in usbduxsigma_alloc_usb_buffers()
1380 urb->transfer_buffer = kzalloc(SIZEOUTBUF, GFP_KERNEL); in usbduxsigma_alloc_usb_buffers()
1381 if (!urb->transfer_buffer) in usbduxsigma_alloc_usb_buffers()
1382 return -ENOMEM; in usbduxsigma_alloc_usb_buffers()
1383 urb->complete = usbduxsigma_ao_urb_complete; in usbduxsigma_alloc_usb_buffers()
1384 urb->number_of_packets = 1; in usbduxsigma_alloc_usb_buffers()
1385 urb->transfer_buffer_length = SIZEOUTBUF; in usbduxsigma_alloc_usb_buffers()
1386 urb->iso_frame_desc[0].offset = 0; in usbduxsigma_alloc_usb_buffers()
1387 urb->iso_frame_desc[0].length = SIZEOUTBUF; in usbduxsigma_alloc_usb_buffers()
1388 urb->interval = 1; /* (u)frames */ in usbduxsigma_alloc_usb_buffers()
1391 if (devpriv->pwm_buf_sz) { in usbduxsigma_alloc_usb_buffers()
1394 return -ENOMEM; in usbduxsigma_alloc_usb_buffers()
1395 devpriv->pwm_urb = urb; in usbduxsigma_alloc_usb_buffers()
1397 urb->transfer_buffer = kzalloc(devpriv->pwm_buf_sz, in usbduxsigma_alloc_usb_buffers()
1399 if (!urb->transfer_buffer) in usbduxsigma_alloc_usb_buffers()
1400 return -ENOMEM; in usbduxsigma_alloc_usb_buffers()
1408 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_free_usb_buffers()
1412 urb = devpriv->pwm_urb; in usbduxsigma_free_usb_buffers()
1414 kfree(urb->transfer_buffer); in usbduxsigma_free_usb_buffers()
1417 if (devpriv->ao_urbs) { in usbduxsigma_free_usb_buffers()
1418 for (i = 0; i < devpriv->n_ao_urbs; i++) { in usbduxsigma_free_usb_buffers()
1419 urb = devpriv->ao_urbs[i]; in usbduxsigma_free_usb_buffers()
1421 kfree(urb->transfer_buffer); in usbduxsigma_free_usb_buffers()
1425 kfree(devpriv->ao_urbs); in usbduxsigma_free_usb_buffers()
1427 if (devpriv->ai_urbs) { in usbduxsigma_free_usb_buffers()
1428 for (i = 0; i < devpriv->n_ai_urbs; i++) { in usbduxsigma_free_usb_buffers()
1429 urb = devpriv->ai_urbs[i]; in usbduxsigma_free_usb_buffers()
1431 kfree(urb->transfer_buffer); in usbduxsigma_free_usb_buffers()
1435 kfree(devpriv->ai_urbs); in usbduxsigma_free_usb_buffers()
1437 kfree(devpriv->insn_buf); in usbduxsigma_free_usb_buffers()
1438 kfree(devpriv->in_buf); in usbduxsigma_free_usb_buffers()
1439 kfree(devpriv->dux_commands); in usbduxsigma_free_usb_buffers()
1454 return -ENOMEM; in usbduxsigma_auto_attach()
1456 mutex_init(&devpriv->mut); in usbduxsigma_auto_attach()
1460 devpriv->high_speed = (usb->speed == USB_SPEED_HIGH); in usbduxsigma_auto_attach()
1461 if (devpriv->high_speed) { in usbduxsigma_auto_attach()
1462 devpriv->n_ai_urbs = NUMOFINBUFFERSHIGH; in usbduxsigma_auto_attach()
1463 devpriv->n_ao_urbs = NUMOFOUTBUFFERSHIGH; in usbduxsigma_auto_attach()
1464 devpriv->pwm_buf_sz = 512; in usbduxsigma_auto_attach()
1466 devpriv->n_ai_urbs = NUMOFINBUFFERSFULL; in usbduxsigma_auto_attach()
1467 devpriv->n_ao_urbs = NUMOFOUTBUFFERSFULL; in usbduxsigma_auto_attach()
1475 ret = usb_set_interface(usb, intf->altsetting->desc.bInterfaceNumber, in usbduxsigma_auto_attach()
1478 dev_err(dev->class_dev, in usbduxsigma_auto_attach()
1483 ret = comedi_load_firmware(dev, &usb->dev, FIRMWARE, in usbduxsigma_auto_attach()
1488 ret = comedi_alloc_subdevices(dev, (devpriv->high_speed) ? 4 : 3); in usbduxsigma_auto_attach()
1493 s = &dev->subdevices[0]; in usbduxsigma_auto_attach()
1494 dev->read_subdev = s; in usbduxsigma_auto_attach()
1495 s->type = COMEDI_SUBD_AI; in usbduxsigma_auto_attach()
1496 s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_CMD_READ | SDF_LSAMPL; in usbduxsigma_auto_attach()
1497 s->n_chan = NUMCHANNELS; in usbduxsigma_auto_attach()
1498 s->len_chanlist = NUMCHANNELS; in usbduxsigma_auto_attach()
1499 s->maxdata = 0x00ffffff; in usbduxsigma_auto_attach()
1500 s->range_table = &usbduxsigma_ai_range; in usbduxsigma_auto_attach()
1501 s->insn_read = usbduxsigma_ai_insn_read; in usbduxsigma_auto_attach()
1502 s->do_cmdtest = usbduxsigma_ai_cmdtest; in usbduxsigma_auto_attach()
1503 s->do_cmd = usbduxsigma_ai_cmd; in usbduxsigma_auto_attach()
1504 s->cancel = usbduxsigma_ai_cancel; in usbduxsigma_auto_attach()
1507 s = &dev->subdevices[1]; in usbduxsigma_auto_attach()
1508 dev->write_subdev = s; in usbduxsigma_auto_attach()
1509 s->type = COMEDI_SUBD_AO; in usbduxsigma_auto_attach()
1510 s->subdev_flags = SDF_WRITABLE | SDF_GROUND | SDF_CMD_WRITE; in usbduxsigma_auto_attach()
1511 s->n_chan = 4; in usbduxsigma_auto_attach()
1512 s->len_chanlist = s->n_chan; in usbduxsigma_auto_attach()
1513 s->maxdata = 0x00ff; in usbduxsigma_auto_attach()
1514 s->range_table = &range_unipolar2_5; in usbduxsigma_auto_attach()
1515 s->insn_write = usbduxsigma_ao_insn_write; in usbduxsigma_auto_attach()
1516 s->insn_read = usbduxsigma_ao_insn_read; in usbduxsigma_auto_attach()
1517 s->do_cmdtest = usbduxsigma_ao_cmdtest; in usbduxsigma_auto_attach()
1518 s->do_cmd = usbduxsigma_ao_cmd; in usbduxsigma_auto_attach()
1519 s->cancel = usbduxsigma_ao_cancel; in usbduxsigma_auto_attach()
1526 s = &dev->subdevices[2]; in usbduxsigma_auto_attach()
1527 s->type = COMEDI_SUBD_DIO; in usbduxsigma_auto_attach()
1528 s->subdev_flags = SDF_READABLE | SDF_WRITABLE; in usbduxsigma_auto_attach()
1529 s->n_chan = 24; in usbduxsigma_auto_attach()
1530 s->maxdata = 1; in usbduxsigma_auto_attach()
1531 s->range_table = &range_digital; in usbduxsigma_auto_attach()
1532 s->insn_bits = usbduxsigma_dio_insn_bits; in usbduxsigma_auto_attach()
1533 s->insn_config = usbduxsigma_dio_insn_config; in usbduxsigma_auto_attach()
1535 if (devpriv->high_speed) { in usbduxsigma_auto_attach()
1536 /* Timer / pwm subdevice */ in usbduxsigma_auto_attach()
1537 s = &dev->subdevices[3]; in usbduxsigma_auto_attach()
1538 s->type = COMEDI_SUBD_PWM; in usbduxsigma_auto_attach()
1539 s->subdev_flags = SDF_WRITABLE | SDF_PWM_HBRIDGE; in usbduxsigma_auto_attach()
1540 s->n_chan = 8; in usbduxsigma_auto_attach()
1541 s->maxdata = devpriv->pwm_buf_sz; in usbduxsigma_auto_attach()
1542 s->insn_write = usbduxsigma_pwm_write; in usbduxsigma_auto_attach()
1543 s->insn_config = usbduxsigma_pwm_config; in usbduxsigma_auto_attach()
1550 dev_err(dev->class_dev, in usbduxsigma_auto_attach()
1555 dev_info(dev->class_dev, "ADC_zero = %x\n", offset); in usbduxsigma_auto_attach()
1563 struct usbduxsigma_private *devpriv = dev->private; in usbduxsigma_detach()
1570 mutex_lock(&devpriv->mut); in usbduxsigma_detach()
1579 mutex_unlock(&devpriv->mut); in usbduxsigma_detach()
1581 mutex_destroy(&devpriv->mut); in usbduxsigma_detach()
1614 MODULE_DESCRIPTION("Stirling/ITL USB-DUX SIGMA -- mail@berndporr.me.uk");