comedi/drivers/vmk80xx.c

156 	struct vmk80xx_private *devpriv = dev->private;
165 	tx_addr = devpriv->ep_tx->bEndpointAddress;
166 	rx_addr = devpriv->ep_rx->bEndpointAddress;
169 	tx_size = usb_endpoint_maxp(devpriv->ep_tx);
170 	rx_size = usb_endpoint_maxp(devpriv->ep_rx);
172 	usb_bulk_msg(usb, tx_pipe, devpriv->usb_tx_buf, tx_size, NULL,
175 	usb_bulk_msg(usb, rx_pipe, devpriv->usb_rx_buf, rx_size, NULL,
181 	struct vmk80xx_private *devpriv = dev->private;
186 	if (devpriv->model == VMK8061_MODEL) {
191 	ep = devpriv->ep_rx;
193 	return usb_interrupt_msg(usb, pipe, devpriv->usb_rx_buf,
200 	struct vmk80xx_private *devpriv = dev->private;
205 	devpriv->usb_tx_buf[0] = cmd;
207 	if (devpriv->model == VMK8061_MODEL) {
212 	ep = devpriv->ep_tx;
214 	return usb_interrupt_msg(usb, pipe, devpriv->usb_tx_buf,
221 	struct vmk80xx_private *devpriv = dev->private;
225 	size = usb_endpoint_maxp(devpriv->ep_tx);
226 	memset(devpriv->usb_tx_buf, 0, size);
239 	struct vmk80xx_private *devpriv = dev->private;
244 	down(&devpriv->limit_sem);
247 	switch (devpriv->model) {
258 		devpriv->usb_tx_buf[0] = VMK8061_CMD_RD_AI;
259 		devpriv->usb_tx_buf[VMK8061_CH_REG] = chan;
267 		if (devpriv->model == VMK8055_MODEL) {
268 			data[n] = devpriv->usb_rx_buf[reg[0]];
273 		data[n] = devpriv->usb_rx_buf[reg[0]] + 256 *
274 		    devpriv->usb_rx_buf[reg[1]];
277 	up(&devpriv->limit_sem);
287 	struct vmk80xx_private *devpriv = dev->private;
293 	down(&devpriv->limit_sem);
296 	switch (devpriv->model) {
307 		devpriv->usb_tx_buf[VMK8061_CH_REG] = chan;
312 		devpriv->usb_tx_buf[reg] = data[n];
318 	up(&devpriv->limit_sem);
328 	struct vmk80xx_private *devpriv = dev->private;
333 	down(&devpriv->limit_sem);
338 	devpriv->usb_tx_buf[0] = VMK8061_CMD_RD_AO;
344 		data[n] = devpriv->usb_rx_buf[reg + chan];
347 	up(&devpriv->limit_sem);
357 	struct vmk80xx_private *devpriv = dev->private;
362 	down(&devpriv->limit_sem);
364 	rx_buf = devpriv->usb_rx_buf;
366 	if (devpriv->model == VMK8061_MODEL) {
368 		devpriv->usb_tx_buf[0] = VMK8061_CMD_RD_DI;
376 		if (devpriv->model == VMK8055_MODEL)
386 	up(&devpriv->limit_sem);
396 	struct vmk80xx_private *devpriv = dev->private;
397 	unsigned char *rx_buf = devpriv->usb_rx_buf;
398 	unsigned char *tx_buf = devpriv->usb_tx_buf;
402 	if (devpriv->model == VMK8061_MODEL) {
410 	down(&devpriv->limit_sem);
419 	if (devpriv->model == VMK8061_MODEL) {
430 	up(&devpriv->limit_sem);
440 	struct vmk80xx_private *devpriv = dev->private;
445 	down(&devpriv->limit_sem);
448 	switch (devpriv->model) {
459 		devpriv->usb_tx_buf[0] = VMK8061_CMD_RD_CNT;
467 		if (devpriv->model == VMK8055_MODEL)
468 			data[n] = devpriv->usb_rx_buf[reg[0]];
470 			data[n] = devpriv->usb_rx_buf[reg[0] * (chan + 1) + 1]
471 			    + 256 * devpriv->usb_rx_buf[reg[1] * 2 + 2];
474 	up(&devpriv->limit_sem);
484 	struct vmk80xx_private *devpriv = dev->private;
490 	down(&devpriv->limit_sem);
493 		if (devpriv->model == VMK8055_MODEL) {
501 			devpriv->usb_tx_buf[reg] = 0x00;
511 	up(&devpriv->limit_sem);
521 	struct vmk80xx_private *devpriv = dev->private;
528 	down(&devpriv->limit_sem);
549 		devpriv->usb_tx_buf[6 + chan] = val;
555 	up(&devpriv->limit_sem);
565 	struct vmk80xx_private *devpriv = dev->private;
571 	down(&devpriv->limit_sem);
573 	tx_buf = devpriv->usb_tx_buf;
574 	rx_buf = devpriv->usb_rx_buf;
588 	up(&devpriv->limit_sem);
598 	struct vmk80xx_private *devpriv = dev->private;
604 	down(&devpriv->limit_sem);
606 	tx_buf = devpriv->usb_tx_buf;
634 	up(&devpriv->limit_sem);
641 	struct vmk80xx_private *devpriv = dev->private;
647 	if (devpriv->model == VMK8061_MODEL)
657 	devpriv->ep_rx = ep_rx_desc;
658 	devpriv->ep_tx = ep_tx_desc;
660 	if (!usb_endpoint_maxp(devpriv->ep_rx) || !usb_endpoint_maxp(devpriv->ep_tx))
668 	struct vmk80xx_private *devpriv = dev->private;
671 	size = max(usb_endpoint_maxp(devpriv->ep_rx), MIN_BUF_SIZE);
672 	devpriv->usb_rx_buf = kzalloc(size, GFP_KERNEL);
673 	if (!devpriv->usb_rx_buf)
676 	size = max(usb_endpoint_maxp(devpriv->ep_tx), MIN_BUF_SIZE);
677 	devpriv->usb_tx_buf = kzalloc(size, GFP_KERNEL);
678 	if (!devpriv->usb_tx_buf)
687 	struct vmk80xx_private *devpriv = dev->private;
692 	down(&devpriv->limit_sem);
694 	if (devpriv->model == VMK8055_MODEL)
700 		up(&devpriv->limit_sem);
721 	if (devpriv->model == VMK8061_MODEL) {
752 	if (devpriv->model == VMK8055_MODEL) {
758 	if (devpriv->model == VMK8061_MODEL) {
768 	up(&devpriv->limit_sem);
778 	struct vmk80xx_private *devpriv;
788 	devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
789 	if (!devpriv)
792 	devpriv->model = board->model;
794 	sema_init(&devpriv->limit_sem, 8);
804 	usb_set_intfdata(intf, devpriv);
806 	if (devpriv->model == VMK8055_MODEL)
815 	struct vmk80xx_private *devpriv = dev->private;
817 	if (!devpriv)
820 	down(&devpriv->limit_sem);
824 	kfree(devpriv->usb_rx_buf);
825 	kfree(devpriv->usb_tx_buf);
827 	up(&devpriv->limit_sem);