1 // SPDX-License-Identifier: GPL-2.0
4  * National Instruments boards using tnt4882 or compatible chips (at-gpib, etc).
38 // Measurement Computing PCI-488 same design as PCI-GPIB with TNT5004
65 	iowrite8(AUX_PAGEIN, priv->nec7210_priv.mmiobase + AUXMR * priv->nec7210_priv.offset);  in tnt_paged_readb()
67 	return ioread8(priv->nec7210_priv.mmiobase + offset);  in tnt_paged_readb()
73 	iowrite8(AUX_PAGEIN, priv->nec7210_priv.mmiobase + AUXMR * priv->nec7210_priv.offset);  in tnt_paged_writeb()
75 	iowrite8(value, priv->nec7210_priv.mmiobase + offset);  in tnt_paged_writeb()
81 	void __iomem *address = priv->nec7210_priv.mmiobase + offset;  in tnt_readb()
84 	spinlock_t *register_lock = &priv->nec7210_priv.register_page_lock;  in tnt_readb()
92 		switch (priv->nec7210_priv.type) {  in tnt_readb()
98 			retval = tnt_paged_readb(priv, offset - tnt_pagein_offset);  in tnt_readb()
118 	void __iomem *address = priv->nec7210_priv.mmiobase + offset;  in tnt_writeb()
120 	spinlock_t *register_lock = &priv->nec7210_priv.register_page_lock;  in tnt_writeb()
127 		switch (priv->nec7210_priv.type) {  in tnt_writeb()
133 			tnt_paged_writeb(priv, value, offset - tnt_pagein_offset);  in tnt_writeb()
157 	tnt_priv = board->private_data;  in tnt4882_line_status()
183 	struct tnt4882_priv *tnt_priv = board->private_data;  in tnt4882_t1_delay()
184 	struct nec7210_priv *nec_priv = &tnt_priv->nec7210_priv;  in tnt4882_t1_delay()
188 	if (nec_priv->type == NEC7210)  in tnt4882_t1_delay()
242 	struct nec7210_priv *nec_priv = &tnt_priv->nec7210_priv;  in drain_fifo_words()
247 		word = ioread16(nec_priv->mmiobase + FIFOB);  in drain_fifo_words()
256 	struct nec7210_priv *nec_priv = &tnt_priv->nec7210_priv;  in tnt4882_release_holdoff()
262 	 * tnt4882 not in one-chip mode won't always release holdoff unless we  in tnt4882_release_holdoff()
263 	 * are in the right mode when release handshake command is given  in tnt4882_release_holdoff()
265 	if (sasr_bits & AEHS_BIT) /* holding off due to holdoff on end mode*/	{  in tnt4882_release_holdoff()
268 	} else if (sasr_bits & ANHS1_BIT) { /* held off due to holdoff on all data mode*/  in tnt4882_release_holdoff()
283 	struct tnt4882_priv *tnt_priv = board->private_data;  in tnt4882_accel_read()
284 	struct nec7210_priv *nec_priv = &tnt_priv->nec7210_priv;  in tnt4882_accel_read()
291 	clear_bit(DEV_CLEAR_BN, &nec_priv->state);  in tnt4882_accel_read()
292 	clear_bit(ADR_CHANGE_BN, &nec_priv->state);  in tnt4882_accel_read()
295 	if (nec_priv->type != TNT4882 && nec_priv->type != TNT5004)  in tnt4882_accel_read()
299 	tnt_writeb(tnt_priv, nec_priv->auxa_bits | HR_HLDA, CCR);  in tnt4882_accel_read()
305 	hw_count = -length;  in tnt4882_accel_read()
316 	spin_lock_irqsave(&board->spinlock, flags);  in tnt4882_accel_read()
317 	tnt_priv->imr3_bits |= HR_DONE | HR_NEF;  in tnt4882_accel_read()
318 	tnt_writeb(tnt_priv, tnt_priv->imr3_bits, IMR3);  in tnt4882_accel_read()
319 	spin_unlock_irqrestore(&board->spinlock, flags);  in tnt4882_accel_read()
322 	       test_bit(RECEIVED_END_BN, &nec_priv->state) == 0 &&  in tnt4882_accel_read()
325 		if (wait_event_interruptible(board->wait,  in tnt4882_accel_read()
328 					     test_bit(RECEIVED_END_BN, &nec_priv->state) ||  in tnt4882_accel_read()
329 					     test_bit(DEV_CLEAR_BN, &nec_priv->state) ||  in tnt4882_accel_read()
330 					     test_bit(ADR_CHANGE_BN, &nec_priv->state) ||  in tnt4882_accel_read()
331 					     test_bit(TIMO_NUM, &board->status))) {  in tnt4882_accel_read()
332 			retval = -ERESTARTSYS;  in tnt4882_accel_read()
335 		if (test_bit(TIMO_NUM, &board->status))	{  in tnt4882_accel_read()
336 			retval = -ETIMEDOUT;  in tnt4882_accel_read()
339 		if (test_bit(DEV_CLEAR_BN, &nec_priv->state)) {  in tnt4882_accel_read()
340 			retval = -EINTR;  in tnt4882_accel_read()
343 		if (test_bit(ADR_CHANGE_BN, &nec_priv->state)) {  in tnt4882_accel_read()
344 			retval = -EINTR;  in tnt4882_accel_read()
348 		spin_lock_irqsave(&board->spinlock, flags);  in tnt4882_accel_read()
349 		count += drain_fifo_words(tnt_priv, &buffer[count], length - count);  in tnt4882_accel_read()
350 		tnt_priv->imr3_bits |= HR_NEF;  in tnt4882_accel_read()
351 		tnt_writeb(tnt_priv, tnt_priv->imr3_bits, IMR3);  in tnt4882_accel_read()
352 		spin_unlock_irqrestore(&board->spinlock, flags);  in tnt4882_accel_read()
359 		spin_lock_irqsave(&board->spinlock, flags);  in tnt4882_accel_read()
360 		tnt_priv->imr3_bits |= HR_DONE | HR_NEF;  in tnt4882_accel_read()
361 		tnt_writeb(tnt_priv, tnt_priv->imr3_bits, IMR3);  in tnt4882_accel_read()
362 		spin_unlock_irqrestore(&board->spinlock, flags);  in tnt4882_accel_read()
364 		if (wait_event_interruptible(board->wait,  in tnt4882_accel_read()
366 					     test_bit(RECEIVED_END_BN, &nec_priv->state) ||  in tnt4882_accel_read()
367 					     test_bit(DEV_CLEAR_BN, &nec_priv->state) ||  in tnt4882_accel_read()
368 					     test_bit(ADR_CHANGE_BN, &nec_priv->state) ||  in tnt4882_accel_read()
369 					     test_bit(TIMO_NUM, &board->status))) {  in tnt4882_accel_read()
370 			retval = -ERESTARTSYS;  in tnt4882_accel_read()
372 		if (test_bit(TIMO_NUM, &board->status))  in tnt4882_accel_read()
373 			retval = -ETIMEDOUT;  in tnt4882_accel_read()
374 		if (test_bit(DEV_CLEAR_BN, &nec_priv->state))  in tnt4882_accel_read()
375 			retval = -EINTR;  in tnt4882_accel_read()
376 		if (test_bit(ADR_CHANGE_BN, &nec_priv->state))  in tnt4882_accel_read()
377 			retval = -EINTR;  in tnt4882_accel_read()
378 		count += drain_fifo_words(tnt_priv, &buffer[count], length - count);  in tnt4882_accel_read()
395 	if (test_and_clear_bit(RECEIVED_END_BN, &nec_priv->state))  in tnt4882_accel_read()
401 		set_bit(RFD_HOLDOFF_BN, &nec_priv->state);  in tnt4882_accel_read()
428 	return -count;  in tnt_transfer_count()
434 	struct nec7210_priv *nec_priv = &tnt_priv->nec7210_priv;  in write_wait()
436 	if (wait_event_interruptible(board->wait,  in write_wait()
439 				     test_bit(BUS_ERROR_BN, &nec_priv->state) ||  in write_wait()
440 				     test_bit(DEV_CLEAR_BN, &nec_priv->state) ||  in write_wait()
441 				     test_bit(TIMO_NUM, &board->status)))  in write_wait()
442 		return -ERESTARTSYS;  in write_wait()
444 	if (test_bit(TIMO_NUM, &board->status))  in write_wait()
445 		return -ETIMEDOUT;  in write_wait()
446 	if (test_and_clear_bit(BUS_ERROR_BN, &nec_priv->state))  in write_wait()
447 		return (send_commands) ? -ENOTCONN : -ECOMM;  in write_wait()
448 	if (test_bit(DEV_CLEAR_BN, &nec_priv->state))  in write_wait()
449 		return -EINTR;  in write_wait()
458 	struct tnt4882_priv *tnt_priv = board->private_data;  in generic_write()
459 	struct nec7210_priv *nec_priv = &tnt_priv->nec7210_priv;  in generic_write()
466 	clear_bit(DEV_CLEAR_BN, &nec_priv->state);  in generic_write()
470 	if (nec_priv->type != TNT4882 && nec_priv->type != TNT5004)  in generic_write()
481 		if (nec_priv->type != TNT4882 && nec_priv->type != TNT5004)  in generic_write()
489 	hw_count = -length;  in generic_write()
498 	spin_lock_irqsave(&board->spinlock, flags);  in generic_write()
499 	tnt_priv->imr3_bits |= HR_DONE;  in generic_write()
500 	tnt_writeb(tnt_priv, tnt_priv->imr3_bits, IMR3);  in generic_write()
501 	spin_unlock_irqrestore(&board->spinlock, flags);  in generic_write()
510 		spin_lock_irqsave(&board->spinlock, flags);  in generic_write()
517 			iowrite16(word, nec_priv->mmiobase + FIFOB);  in generic_write()
520 //		tnt_priv->imr3_bits |= HR_NFF;  in generic_write()
521 //		tnt_writeb(tnt_priv, tnt_priv->imr3_bits, IMR3);  in generic_write()
522 		spin_unlock_irqrestore(&board->spinlock, flags);  in generic_write()
541 	*bytes_written = length - tnt_transfer_count(tnt_priv);  in generic_write()
559 	struct tnt4882_priv *priv = board->private_data;  in tnt4882_internal_interrupt()
563 	spin_lock_irqsave(&board->spinlock, flags);  in tnt4882_internal_interrupt()
565 	nec7210_interrupt(board, &priv->nec7210_priv);  in tnt4882_internal_interrupt()
569 	imr3_bits = priv->imr3_bits;  in tnt4882_internal_interrupt()
573 	// XXX don't need this wakeup, one below should do?  in tnt4882_internal_interrupt()
574 //		wake_up_interruptible(&board->wait);  in tnt4882_internal_interrupt()
577 		priv->imr3_bits &= ~HR_NFF;  in tnt4882_internal_interrupt()
579 		priv->imr3_bits &= ~HR_NEF;  in tnt4882_internal_interrupt()
581 		priv->imr3_bits &= ~HR_DONE;  in tnt4882_internal_interrupt()
583 		dev_dbg(board->gpib_dev, "minor %i isr0 0x%x imr0 0x%x isr3 0x%x imr3 0x%x\n",  in tnt4882_internal_interrupt()
584 			board->minor, isr0_bits, priv->imr0_bits, isr3_bits, imr3_bits);  in tnt4882_internal_interrupt()
585 		tnt_writeb(priv, priv->imr3_bits, IMR3);  in tnt4882_internal_interrupt()
586 		wake_up_interruptible(&board->wait);  in tnt4882_internal_interrupt()
588 	spin_unlock_irqrestore(&board->spinlock, flags);  in tnt4882_internal_interrupt()
601 	struct tnt4882_priv *priv = board->private_data;  in tnt4882_read()
602 	struct nec7210_priv *nec_priv = &priv->nec7210_priv;  in tnt4882_read()
606 	retval = nec7210_read(board, &priv->nec7210_priv, buffer, length, end, bytes_read);  in tnt4882_read()
611 		set_bit(RFD_HOLDOFF_BN, &nec_priv->state);  in tnt4882_read()
621 	struct tnt4882_priv *priv = board->private_data;  in tnt4882_write()
623 	return nec7210_write(board, &priv->nec7210_priv, buffer, length, send_eoi, bytes_written);  in tnt4882_write()
629 	struct tnt4882_priv *priv = board->private_data;  in tnt4882_command_unaccel()
631 	return nec7210_command(board, &priv->nec7210_priv, buffer, length, bytes_written);  in tnt4882_command_unaccel()
636 	struct tnt4882_priv *priv = board->private_data;  in tnt4882_take_control()
638 	return nec7210_take_control(board, &priv->nec7210_priv, synchronous);  in tnt4882_take_control()
643 	struct tnt4882_priv *priv = board->private_data;  in tnt4882_go_to_standby()
645 	return nec7210_go_to_standby(board, &priv->nec7210_priv);  in tnt4882_go_to_standby()
650 	struct tnt4882_priv *priv = board->private_data;  in tnt4882_request_system_control()
657 	retval = nec7210_request_system_control(board, &priv->nec7210_priv, request_control);  in tnt4882_request_system_control()
667 	struct tnt4882_priv *priv = board->private_data;  in tnt4882_interface_clear()
669 	nec7210_interface_clear(board, &priv->nec7210_priv, assert);  in tnt4882_interface_clear()
674 	struct tnt4882_priv *priv = board->private_data;  in tnt4882_remote_enable()
676 	nec7210_remote_enable(board, &priv->nec7210_priv, enable);  in tnt4882_remote_enable()
681 	struct tnt4882_priv *priv = board->private_data;  in tnt4882_enable_eos()
683 	return nec7210_enable_eos(board, &priv->nec7210_priv, eos_byte, compare_8_bits);  in tnt4882_enable_eos()
688 	struct tnt4882_priv *priv = board->private_data;  in tnt4882_disable_eos()
690 	nec7210_disable_eos(board, &priv->nec7210_priv);  in tnt4882_disable_eos()
697 	struct tnt4882_priv *priv = board->private_data;  in tnt4882_update_status()
699 	spin_lock_irqsave(&board->spinlock, flags);  in tnt4882_update_status()
700 	board->status &= ~clear_mask;  in tnt4882_update_status()
701 	nec7210_update_status_nolock(board, &priv->nec7210_priv);  in tnt4882_update_status()
705 		set_bit(SRQI_NUM, &board->status);  in tnt4882_update_status()
707 		clear_bit(SRQI_NUM, &board->status);  in tnt4882_update_status()
708 	spin_unlock_irqrestore(&board->spinlock, flags);  in tnt4882_update_status()
709 	return board->status;  in tnt4882_update_status()
714 	struct tnt4882_priv *priv = board->private_data;  in tnt4882_primary_address()
716 	return nec7210_primary_address(board, &priv->nec7210_priv, address);  in tnt4882_primary_address()
721 	struct tnt4882_priv *priv = board->private_data;  in tnt4882_secondary_address()
723 	return nec7210_secondary_address(board, &priv->nec7210_priv, address, enable);  in tnt4882_secondary_address()
728 	struct tnt4882_priv *tnt_priv = board->private_data;  in tnt4882_parallel_poll()
730 	if (tnt_priv->nec7210_priv.type != NEC7210) {  in tnt4882_parallel_poll()
731 		tnt_priv->auxg_bits |= RPP2_BIT;  in tnt4882_parallel_poll()
732 		write_byte(&tnt_priv->nec7210_priv, tnt_priv->auxg_bits, AUXMR);  in tnt4882_parallel_poll()
734 		*result = read_byte(&tnt_priv->nec7210_priv, CPTR);  in tnt4882_parallel_poll()
735 		tnt_priv->auxg_bits &= ~RPP2_BIT;  in tnt4882_parallel_poll()
736 		write_byte(&tnt_priv->nec7210_priv, tnt_priv->auxg_bits, AUXMR);  in tnt4882_parallel_poll()
739 		return nec7210_parallel_poll(board, &tnt_priv->nec7210_priv, result);  in tnt4882_parallel_poll()
745 	struct tnt4882_priv *priv = board->private_data;  in tnt4882_parallel_poll_configure()
747 	if (priv->nec7210_priv.type == TNT5004) {  in tnt4882_parallel_poll_configure()
749 		write_byte(&priv->nec7210_priv, AUXRI | 0x4, AUXMR);  in tnt4882_parallel_poll_configure()
752 			write_byte(&priv->nec7210_priv, PPR | config, AUXMR);  in tnt4882_parallel_poll_configure()
755 			write_byte(&priv->nec7210_priv, PPR | 0x10, AUXMR);  in tnt4882_parallel_poll_configure()
757 		nec7210_parallel_poll_configure(board, &priv->nec7210_priv, config);  in tnt4882_parallel_poll_configure()
763 	struct tnt4882_priv *priv = board->private_data;  in tnt4882_parallel_poll_response()
765 	nec7210_parallel_poll_response(board, &priv->nec7210_priv, ist);  in tnt4882_parallel_poll_response()
774 	struct tnt4882_priv *priv = board->private_data;  in tnt4882_serial_poll_response()
776 	nec7210_serial_poll_response(board, &priv->nec7210_priv, status);  in tnt4882_serial_poll_response()
782 	struct tnt4882_priv *priv = board->private_data;  in tnt4882_serial_poll_response2()
788 	spin_lock_irqsave(&board->spinlock, flags);  in tnt4882_serial_poll_response2()
790 		priv->nec7210_priv.srq_pending = 1;  in tnt4882_serial_poll_response2()
791 		clear_bit(SPOLL_NUM, &board->status);  in tnt4882_serial_poll_response2()
794 			priv->nec7210_priv.srq_pending = 0;  in tnt4882_serial_poll_response2()
803 		write_byte(&priv->nec7210_priv, AUX_REQT, AUXMR);  in tnt4882_serial_poll_response2()
805 		write_byte(&priv->nec7210_priv, AUX_REQF, AUXMR);  in tnt4882_serial_poll_response2()
809 	 * serial poll mode SP1, and not accidentally triggering mode SP3.  in tnt4882_serial_poll_response2()
811 	write_byte(&priv->nec7210_priv, status & ~request_service_bit, SPMR);  in tnt4882_serial_poll_response2()
812 	spin_unlock_irqrestore(&board->spinlock, flags);  in tnt4882_serial_poll_response2()
817 	struct tnt4882_priv *priv = board->private_data;  in tnt4882_serial_poll_status()
819 	return nec7210_serial_poll_status(board, &priv->nec7210_priv);  in tnt4882_serial_poll_status()
824 	struct tnt4882_priv *priv = board->private_data;  in tnt4882_return_to_local()
826 	nec7210_return_to_local(board, &priv->nec7210_priv);  in tnt4882_return_to_local()
831 	struct nec7210_priv *nec_priv = &tnt_priv->nec7210_priv;  in tnt4882_board_reset()
833 	tnt_priv->imr0_bits = 0;  in tnt4882_board_reset()
834 	tnt_writeb(tnt_priv, tnt_priv->imr0_bits, IMR0);  in tnt4882_board_reset()
835 	tnt_priv->imr3_bits = 0;  in tnt4882_board_reset()
836 	tnt_writeb(tnt_priv, tnt_priv->imr3_bits, IMR3);  in tnt4882_board_reset()
846 	board->private_data = kmalloc(sizeof(struct tnt4882_priv), GFP_KERNEL);  in tnt4882_allocate_private()
847 	if (!board->private_data)  in tnt4882_allocate_private()
848 		return -1;  in tnt4882_allocate_private()
849 	tnt_priv = board->private_data;  in tnt4882_allocate_private()
851 	init_nec7210_private(&tnt_priv->nec7210_priv);  in tnt4882_allocate_private()
857 	kfree(board->private_data);  in tnt4882_free_private()
858 	board->private_data = NULL;  in tnt4882_free_private()
863 	struct nec7210_priv *nec_priv = &tnt_priv->nec7210_priv;  in tnt4882_init()
869 	// turn off one-chip mode  in tnt4882_init()
872 	// make sure we are in 7210 mode  in tnt4882_init()
878 	// turn on one-chip mode  in tnt4882_init()
879 	if (nec_priv->type == TNT4882 || nec_priv->type == TNT5004)  in tnt4882_init()
885 	// read-clear isr0  in tnt4882_init()
889 	tnt_priv->imr3_bits = HR_TLCI;  in tnt4882_init()
890 	tnt_writeb(tnt_priv, tnt_priv->imr3_bits, IMR3);  in tnt4882_init()
896 	write_byte(&tnt_priv->nec7210_priv, AUX_HLDI, AUXMR);  in tnt4882_init()
898 	set_bit(RFD_HOLDOFF_BN, &nec_priv->state);  in tnt4882_init()
900 	tnt_priv->auxg_bits = AUXRG | NTNL_BIT;  in tnt4882_init()
901 	write_byte(&tnt_priv->nec7210_priv, tnt_priv->auxg_bits, AUXMR);  in tnt4882_init()
905 	tnt_priv->imr0_bits = TNT_IMR0_ALWAYS_BITS | TNT_ATNI_BIT | TNT_IFCIE_BIT;  in tnt4882_init()
906 	tnt_writeb(tnt_priv, tnt_priv->imr0_bits, IMR0);  in tnt4882_init()
917 	board->status = 0;  in ni_pci_attach()
920 		return -ENOMEM;  in ni_pci_attach()
921 	tnt_priv = board->private_data;  in ni_pci_attach()
922 	nec_priv = &tnt_priv->nec7210_priv;  in ni_pci_attach()
923 	nec_priv->type = TNT4882;  in ni_pci_attach()
924 	nec_priv->read_byte = nec7210_locking_iomem_read_byte;  in ni_pci_attach()
925 	nec_priv->write_byte = nec7210_locking_iomem_write_byte;  in ni_pci_attach()
926 	nec_priv->offset = atgpib_reg_offset;  in ni_pci_attach()
929 		return -ENODEV;  in ni_pci_attach()
931 	for (mite = mite_devices; mite; mite = mite->next) {  in ni_pci_attach()
934 		if (mite->used)  in ni_pci_attach()
936 		if (config->pci_bus >= 0 && config->pci_bus != mite->pcidev->bus->number)  in ni_pci_attach()
938 		if (config->pci_slot >= 0 && config->pci_slot != PCI_SLOT(mite->pcidev->devfn))  in ni_pci_attach()
948 // support for Measurement Computing PCI-488  in ni_pci_attach()
961 		return -ENODEV;  in ni_pci_attach()
963 	tnt_priv->mite = mite;  in ni_pci_attach()
964 	retval = mite_setup(tnt_priv->mite);  in ni_pci_attach()
968 	nec_priv->mmiobase = tnt_priv->mite->daq_io_addr;  in ni_pci_attach()
971 	retval = request_irq(mite_irq(tnt_priv->mite), tnt4882_interrupt, isr_flags, "ni-pci-gpib",  in ni_pci_attach()
974 		dev_err(board->gpib_dev, "failed to obtain pci irq %d\n", mite_irq(tnt_priv->mite));  in ni_pci_attach()
977 	tnt_priv->irq = mite_irq(tnt_priv->mite);  in ni_pci_attach()
982 		nec_priv->type = TNT4882;  in ni_pci_attach()
985 		nec_priv->type = TNT5004;  in ni_pci_attach()
995 	struct tnt4882_priv *tnt_priv = board->private_data;  in ni_pci_detach()
999 		nec_priv = &tnt_priv->nec7210_priv;  in ni_pci_detach()
1001 		if (nec_priv->mmiobase)  in ni_pci_detach()
1003 		if (tnt_priv->irq)  in ni_pci_detach()
1004 			free_irq(tnt_priv->irq, board);  in ni_pci_detach()
1005 		if (tnt_priv->mite)  in ni_pci_detach()
1006 			mite_unsetup(tnt_priv->mite);  in ni_pci_detach()
1015 	if (!*dev || !(*dev)->card)  in ni_isapnp_find()
1016 		return -ENODEV;  in ni_isapnp_find()
1018 		return -EBUSY;  in ni_isapnp_find()
1021 		return -EAGAIN;  in ni_isapnp_find()
1025 		return -EINVAL;  in ni_isapnp_find()
1040 	board->status = 0;  in ni_isa_attach_common()
1043 		return -ENOMEM;  in ni_isa_attach_common()
1044 	tnt_priv = board->private_data;  in ni_isa_attach_common()
1045 	nec_priv = &tnt_priv->nec7210_priv;  in ni_isa_attach_common()
1046 	nec_priv->type = chipset;  in ni_isa_attach_common()
1047 	nec_priv->read_byte = nec7210_locking_ioport_read_byte;  in ni_isa_attach_common()
1048 	nec_priv->write_byte = nec7210_locking_ioport_write_byte;  in ni_isa_attach_common()
1049 	nec_priv->offset = atgpib_reg_offset;  in ni_isa_attach_common()
1051 	// look for plug-n-play board  in ni_isa_attach_common()
1052 	if (config->ibbase == 0) {  in ni_isa_attach_common()
1058 		tnt_priv->pnp_dev = dev;  in ni_isa_attach_common()
1062 		iobase = config->ibbase;  in ni_isa_attach_common()
1063 		irq = config->ibirq;  in ni_isa_attach_common()
1067 		return -EBUSY;  in ni_isa_attach_common()
1069 	nec_priv->mmiobase = ioport_map(iobase, atgpib_iosize);  in ni_isa_attach_common()
1070 	if (!nec_priv->mmiobase)  in ni_isa_attach_common()
1071 		return -EBUSY;  in ni_isa_attach_common()
1076 		dev_err(board->gpib_dev, "failed to request ISA irq %d\n", irq);  in ni_isa_attach_common()
1079 	tnt_priv->irq = irq;  in ni_isa_attach_common()
1103 	struct tnt4882_priv *tnt_priv = board->private_data;  in ni_isa_detach()
1107 		nec_priv = &tnt_priv->nec7210_priv;  in ni_isa_detach()
1108 		if (nec_priv->iobase)  in ni_isa_detach()
1110 		if (tnt_priv->irq)  in ni_isa_detach()
1111 			free_irq(tnt_priv->irq, board);  in ni_isa_detach()
1112 		if (nec_priv->mmiobase)  in ni_isa_detach()
1113 			ioport_unmap(nec_priv->mmiobase);  in ni_isa_detach()
1114 		if (nec_priv->iobase)  in ni_isa_detach()
1115 			release_region(nec_priv->iobase, atgpib_iosize);  in ni_isa_detach()
1116 		if (tnt_priv->pnp_dev)  in ni_isa_detach()
1117 			pnp_device_detach(tnt_priv->pnp_dev);  in ni_isa_detach()
1144 	.local_parallel_poll_mode = NULL, // XXX
1172 	.local_parallel_poll_mode = NULL, // XXX
1200 	.local_parallel_poll_mode = NULL, // XXX
1228 	.local_parallel_poll_mode = NULL, // XXX
1256 	.local_parallel_poll_mode = NULL, // XXX
1284 	.local_parallel_poll_mode = NULL, // XXX
1312 	.local_parallel_poll_mode = NULL, // XXX
1340 	.local_parallel_poll_mode = NULL, // XXX
1359 	// support for Measurement Computing PCI-488
1540  * You may not want to use a linked list for this -- for example, the
1568 	/* Allocate space for private device-specific data */  in ni_gpib_probe()
1571 		return -ENOMEM;  in ni_gpib_probe()
1573 	info->p_dev = link;  in ni_gpib_probe()
1574 	link->priv = info;  in ni_gpib_probe()
1581 	 * device, and can be hard-wired here.  in ni_gpib_probe()
1583 	link->config_flags = CONF_ENABLE_IRQ | CONF_AUTO_SET_IO;  in ni_gpib_probe()
1591  * This deletes a driver "instance".  The device is de-registered
1598 	struct local_info_t *info = link->priv;  in ni_gpib_remove()
1599 	//struct struct gpib_board *dev = info->dev;  in ni_gpib_remove()
1601 	if (info->dev)  in ni_gpib_remove()
1602 		ni_pcmcia_detach(info->dev);  in ni_gpib_remove()
1627 	//struct local_info_t *info = link->priv;  in ni_gpib_config()
1628 	//struct gpib_board *dev = info->dev;  in ni_gpib_config()
1633 		dev_warn(&link->dev, "no configuration found\n");  in ni_gpib_config()
1658 	//struct local_info_t *info = link->priv;  in ni_gpib_suspend()
1659 	//struct struct gpib_board *dev = info->dev;  in ni_gpib_suspend()
1661 	if (link->open)  in ni_gpib_suspend()
1662 		dev_warn(&link->dev, "Device still open\n");  in ni_gpib_suspend()
1670 	//struct local_info_t *info = link->priv;  in ni_gpib_resume()
1671 	//struct struct gpib_board *dev = info->dev;  in ni_gpib_resume()
1673 	/*if (link->open) {  in ni_gpib_resume()
1683 	PCMCIA_DEVICE_MANF_CARD(0x010b, 0x0c71), // NI PCMCIA-GPIB+
1721 		return -ENODEV;  in ni_pcmcia_attach()
1723 	info = curr_dev->priv;  in ni_pcmcia_attach()
1724 	info->dev = board;  in ni_pcmcia_attach()
1726 	board->status = 0;  in ni_pcmcia_attach()
1729 		return -ENOMEM;  in ni_pcmcia_attach()
1731 	tnt_priv = board->private_data;  in ni_pcmcia_attach()
1732 	nec_priv = &tnt_priv->nec7210_priv;  in ni_pcmcia_attach()
1733 	nec_priv->type = TNT4882;  in ni_pcmcia_attach()
1734 	nec_priv->read_byte = nec7210_locking_ioport_read_byte;  in ni_pcmcia_attach()
1735 	nec_priv->write_byte = nec7210_locking_ioport_write_byte;  in ni_pcmcia_attach()
1736 	nec_priv->offset = atgpib_reg_offset;  in ni_pcmcia_attach()
1738 	if (!request_region(curr_dev->resource[0]->start, resource_size(curr_dev->resource[0]),  in ni_pcmcia_attach()
1740 		return -ENOMEM;  in ni_pcmcia_attach()
1742 	nec_priv->mmiobase = ioport_map(curr_dev->resource[0]->start,  in ni_pcmcia_attach()
1743 					resource_size(curr_dev->resource[0]));  in ni_pcmcia_attach()
1744 	if (!nec_priv->mmiobase)  in ni_pcmcia_attach()
1745 		return -ENOMEM;  in ni_pcmcia_attach()
1748 	retval = request_irq(curr_dev->irq, tnt4882_interrupt, isr_flags, DRV_NAME, board);  in ni_pcmcia_attach()
1750 		dev_err(board->gpib_dev, "failed to obtain PCMCIA irq %d\n", curr_dev->irq);  in ni_pcmcia_attach()
1753 	tnt_priv->irq = curr_dev->irq;  in ni_pcmcia_attach()
1762 	struct tnt4882_priv *tnt_priv = board->private_data;  in ni_pcmcia_detach()
1766 		nec_priv = &tnt_priv->nec7210_priv;  in ni_pcmcia_detach()
1767 		if (tnt_priv->irq)  in ni_pcmcia_detach()
1768 			free_irq(tnt_priv->irq, board);  in ni_pcmcia_detach()
1769 		if (nec_priv->mmiobase)  in ni_pcmcia_detach()
1770 			ioport_unmap(nec_priv->mmiobase);  in ni_pcmcia_detach()
1771 		if (nec_priv->iobase) {  in ni_pcmcia_detach()
1773 			release_region(nec_priv->iobase, pcmcia_gpib_iosize);  in ni_pcmcia_detach()
1796 	.local_parallel_poll_mode = NULL, // XXX
1824 	.local_parallel_poll_mode = NULL, // XXX