// SPDX-License-Identifier: GPL-2.0+ /* * COMEDI driver for the ADLINK PCI-723x/743x series boards. * Copyright (C) 2012 H Hartley Sweeten * * Based on the adl_pci7230 driver written by: * David Fernandez * and the adl_pci7432 driver written by: * Michel Lachaine * * COMEDI - Linux Control and Measurement Device Interface * Copyright (C) 2000 David A. Schleef */ /* * Driver: adl_pci7x3x * Description: 32/64-Channel Isolated Digital I/O Boards * Devices: [ADLink] PCI-7230 (adl_pci7230), PCI-7233 (adl_pci7233), * PCI-7234 (adl_pci7234), PCI-7432 (adl_pci7432), PCI-7433 (adl_pci7433), * PCI-7434 (adl_pci7434) * Author: H Hartley Sweeten * Updated: Thu, 02 Aug 2012 14:27:46 -0700 * Status: untested * * One or two subdevices are setup by this driver depending on * the number of digital inputs and/or outputs provided by the * board. Each subdevice has a maximum of 32 channels. * * PCI-7230 - 2 subdevices: 0 - 16 input, 1 - 16 output * PCI-7233 - 1 subdevice: 0 - 32 input * PCI-7234 - 1 subdevice: 0 - 32 output * PCI-7432 - 2 subdevices: 0 - 32 input, 1 - 32 output * PCI-7433 - 2 subdevices: 0 - 32 input, 1 - 32 input * PCI-7434 - 2 subdevices: 0 - 32 output, 1 - 32 output * * The PCI-7230, PCI-7432 and PCI-7433 boards also support external * interrupt signals on digital input channels 0 and 1. The PCI-7233 * has dual-interrupt sources for change-of-state (COS) on any 16 * digital input channels of LSB and for COS on any 16 digital input * lines of MSB. Interrupts are not currently supported by this * driver. * * Configuration Options: not applicable, uses comedi PCI auto config */ #include #include "../comedi_pci.h" /* * Register I/O map (32-bit access only) */ #define PCI7X3X_DIO_REG 0x00 #define PCI743X_DIO_REG 0x04 enum apci1516_boardid { BOARD_PCI7230, BOARD_PCI7233, BOARD_PCI7234, BOARD_PCI7432, BOARD_PCI7433, BOARD_PCI7434, }; struct adl_pci7x3x_boardinfo { const char *name; int nsubdevs; int di_nchan; int do_nchan; }; static const struct adl_pci7x3x_boardinfo adl_pci7x3x_boards[] = { [BOARD_PCI7230] = { .name = "adl_pci7230", .nsubdevs = 2, .di_nchan = 16, .do_nchan = 16, }, [BOARD_PCI7233] = { .name = "adl_pci7233", .nsubdevs = 1, .di_nchan = 32, }, [BOARD_PCI7234] = { .name = "adl_pci7234", .nsubdevs = 1, .do_nchan = 32, }, [BOARD_PCI7432] = { .name = "adl_pci7432", .nsubdevs = 2, .di_nchan = 32, .do_nchan = 32, }, [BOARD_PCI7433] = { .name = "adl_pci7433", .nsubdevs = 2, .di_nchan = 64, }, [BOARD_PCI7434] = { .name = "adl_pci7434", .nsubdevs = 2, .do_nchan = 64, } }; static int adl_pci7x3x_do_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { unsigned long reg = (unsigned long)s->private; if (comedi_dio_update_state(s, data)) { unsigned int val = s->state; if (s->n_chan == 16) { /* * It seems the PCI-7230 needs the 16-bit DO state * to be shifted left by 16 bits before being written * to the 32-bit register. Set the value in both * halves of the register to be sure. */ val |= val << 16; } outl(val, dev->iobase + reg); } data[1] = s->state; return insn->n; } static int adl_pci7x3x_di_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { unsigned long reg = (unsigned long)s->private; data[1] = inl(dev->iobase + reg); return insn->n; } static int adl_pci7x3x_auto_attach(struct comedi_device *dev, unsigned long context) { struct pci_dev *pcidev = comedi_to_pci_dev(dev); const struct adl_pci7x3x_boardinfo *board = NULL; struct comedi_subdevice *s; int subdev; int nchan; int ret; if (context < ARRAY_SIZE(adl_pci7x3x_boards)) board = &adl_pci7x3x_boards[context]; if (!board) return -ENODEV; dev->board_ptr = board; dev->board_name = board->name; ret = comedi_pci_enable(dev); if (ret) return ret; dev->iobase = pci_resource_start(pcidev, 2); ret = comedi_alloc_subdevices(dev, board->nsubdevs); if (ret) return ret; subdev = 0; if (board->di_nchan) { nchan = min(board->di_nchan, 32); s = &dev->subdevices[subdev]; /* Isolated digital inputs 0 to 15/31 */ s->type = COMEDI_SUBD_DI; s->subdev_flags = SDF_READABLE; s->n_chan = nchan; s->maxdata = 1; s->insn_bits = adl_pci7x3x_di_insn_bits; s->range_table = &range_digital; s->private = (void *)PCI7X3X_DIO_REG; subdev++; nchan = board->di_nchan - nchan; if (nchan) { s = &dev->subdevices[subdev]; /* Isolated digital inputs 32 to 63 */ s->type = COMEDI_SUBD_DI; s->subdev_flags = SDF_READABLE; s->n_chan = nchan; s->maxdata = 1; s->insn_bits = adl_pci7x3x_di_insn_bits; s->range_table = &range_digital; s->private = (void *)PCI743X_DIO_REG; subdev++; } } if (board->do_nchan) { nchan = min(board->do_nchan, 32); s = &dev->subdevices[subdev]; /* Isolated digital outputs 0 to 15/31 */ s->type = COMEDI_SUBD_DO; s->subdev_flags = SDF_WRITABLE; s->n_chan = nchan; s->maxdata = 1; s->insn_bits = adl_pci7x3x_do_insn_bits; s->range_table = &range_digital; s->private = (void *)PCI7X3X_DIO_REG; subdev++; nchan = board->do_nchan - nchan; if (nchan) { s = &dev->subdevices[subdev]; /* Isolated digital outputs 32 to 63 */ s->type = COMEDI_SUBD_DO; s->subdev_flags = SDF_WRITABLE; s->n_chan = nchan; s->maxdata = 1; s->insn_bits = adl_pci7x3x_do_insn_bits; s->range_table = &range_digital; s->private = (void *)PCI743X_DIO_REG; subdev++; } } return 0; } static struct comedi_driver adl_pci7x3x_driver = { .driver_name = "adl_pci7x3x", .module = THIS_MODULE, .auto_attach = adl_pci7x3x_auto_attach, .detach = comedi_pci_detach, }; static int adl_pci7x3x_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) { return comedi_pci_auto_config(dev, &adl_pci7x3x_driver, id->driver_data); } static const struct pci_device_id adl_pci7x3x_pci_table[] = { { PCI_VDEVICE(ADLINK, 0x7230), BOARD_PCI7230 }, { PCI_VDEVICE(ADLINK, 0x7233), BOARD_PCI7233 }, { PCI_VDEVICE(ADLINK, 0x7234), BOARD_PCI7234 }, { PCI_VDEVICE(ADLINK, 0x7432), BOARD_PCI7432 }, { PCI_VDEVICE(ADLINK, 0x7433), BOARD_PCI7433 }, { PCI_VDEVICE(ADLINK, 0x7434), BOARD_PCI7434 }, { 0 } }; MODULE_DEVICE_TABLE(pci, adl_pci7x3x_pci_table); static struct pci_driver adl_pci7x3x_pci_driver = { .name = "adl_pci7x3x", .id_table = adl_pci7x3x_pci_table, .probe = adl_pci7x3x_pci_probe, .remove = comedi_pci_auto_unconfig, }; module_comedi_pci_driver(adl_pci7x3x_driver, adl_pci7x3x_pci_driver); MODULE_DESCRIPTION("ADLINK PCI-723x/743x Isolated Digital I/O boards"); MODULE_AUTHOR("H Hartley Sweeten "); MODULE_LICENSE("GPL");