diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/me4000.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/me4000.c | 432 |
1 files changed, 165 insertions, 267 deletions
diff --git a/drivers/staging/comedi/drivers/me4000.c b/drivers/staging/comedi/drivers/me4000.c index b0bc6bb877ab..8ca1b54600db 100644 --- a/drivers/staging/comedi/drivers/me4000.c +++ b/drivers/staging/comedi/drivers/me4000.c @@ -65,30 +65,6 @@ broken. #include "me4000_fw.h" #endif -/*============================================================================= - PCI device table. - This is used by modprobe to translate PCI IDs to drivers. - ===========================================================================*/ - -static DEFINE_PCI_DEVICE_TABLE(me4000_pci_table) = { - { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4650) }, - { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4660) }, - { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4661) }, - { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4662) }, - { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4663) }, - { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4670) }, - { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4671) }, - { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4672) }, - { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4673) }, - { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4680) }, - { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4681) }, - { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4682) }, - { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4683) }, - { 0 } -}; - -MODULE_DEVICE_TABLE(pci, me4000_pci_table); - static const struct me4000_board me4000_boards[] = { {"ME-4650", 0x4650, {0, 0}, {16, 0, 0, 0}, {4}, {0} }, @@ -113,22 +89,8 @@ static const struct me4000_board me4000_boards[] = { #define ME4000_BOARD_VERSIONS (ARRAY_SIZE(me4000_boards) - 1) /*----------------------------------------------------------------------------- - Comedi function prototypes - ---------------------------------------------------------------------------*/ -static int me4000_attach(struct comedi_device *dev, - struct comedi_devconfig *it); -static int me4000_detach(struct comedi_device *dev); -static struct comedi_driver driver_me4000 = { - .driver_name = "me4000", - .module = THIS_MODULE, - .attach = me4000_attach, - .detach = me4000_detach, -}; - -/*----------------------------------------------------------------------------- Meilhaus function prototypes ---------------------------------------------------------------------------*/ -static int me4000_probe(struct comedi_device *dev, struct comedi_devconfig *it); static int get_registers(struct comedi_device *dev, struct pci_dev *pci_dev_p); static int init_board_info(struct comedi_device *dev, struct pci_dev *pci_dev_p); @@ -139,76 +101,10 @@ static int init_cnt_context(struct comedi_device *dev); static int xilinx_download(struct comedi_device *dev); static int reset_board(struct comedi_device *dev); -static int me4000_dio_insn_bits(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data); - -static int me4000_dio_insn_config(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data); - -static int cnt_reset(struct comedi_device *dev, unsigned int channel); - -static int cnt_config(struct comedi_device *dev, - unsigned int channel, unsigned int mode); - -static int me4000_cnt_insn_config(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data); - -static int me4000_cnt_insn_write(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data); - -static int me4000_cnt_insn_read(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data); - -static int me4000_ai_insn_read(struct comedi_device *dev, - struct comedi_subdevice *subdevice, - struct comedi_insn *insn, unsigned int *data); - -static int me4000_ai_cancel(struct comedi_device *dev, - struct comedi_subdevice *s); - -static int ai_check_chanlist(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_cmd *cmd); - -static int ai_round_cmd_args(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_cmd *cmd, - unsigned int *init_ticks, - unsigned int *scan_ticks, - unsigned int *chan_ticks); - -static int ai_prepare(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_cmd *cmd, - unsigned int init_ticks, - unsigned int scan_ticks, unsigned int chan_ticks); - static int ai_write_chanlist(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_cmd *cmd); -static irqreturn_t me4000_ai_isr(int irq, void *dev_id); - -static int me4000_ai_do_cmd_test(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_cmd *cmd); - -static int me4000_ai_do_cmd(struct comedi_device *dev, - struct comedi_subdevice *s); - -static int me4000_ao_insn_write(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data); - -static int me4000_ao_insn_read(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data); - /*----------------------------------------------------------------------------- Meilhaus inline functions ---------------------------------------------------------------------------*/ @@ -262,130 +158,6 @@ static const struct comedi_lrange me4000_ao_range = { } }; -static int me4000_attach(struct comedi_device *dev, struct comedi_devconfig *it) -{ - struct comedi_subdevice *s; - int result; - - CALL_PDEBUG("In me4000_attach()\n"); - - result = me4000_probe(dev, it); - if (result) - return result; - - /* - * Allocate the subdevice structures. alloc_subdevice() is a - * convenient macro defined in comedidev.h. It relies on - * n_subdevices being set correctly. - */ - if (alloc_subdevices(dev, 4) < 0) - return -ENOMEM; - - /*========================================================================= - Analog input subdevice - ========================================================================*/ - - s = dev->subdevices + 0; - - if (thisboard->ai.count) { - s->type = COMEDI_SUBD_AI; - s->subdev_flags = - SDF_READABLE | SDF_COMMON | SDF_GROUND | SDF_DIFF; - s->n_chan = thisboard->ai.count; - s->maxdata = 0xFFFF; /* 16 bit ADC */ - s->len_chanlist = ME4000_AI_CHANNEL_LIST_COUNT; - s->range_table = &me4000_ai_range; - s->insn_read = me4000_ai_insn_read; - - if (info->irq > 0) { - if (request_irq(info->irq, me4000_ai_isr, - IRQF_SHARED, "ME-4000", dev)) { - printk - ("comedi%d: me4000: me4000_attach(): " - "Unable to allocate irq\n", dev->minor); - } else { - dev->read_subdev = s; - s->subdev_flags |= SDF_CMD_READ; - s->cancel = me4000_ai_cancel; - s->do_cmdtest = me4000_ai_do_cmd_test; - s->do_cmd = me4000_ai_do_cmd; - } - } else { - printk(KERN_WARNING - "comedi%d: me4000: me4000_attach(): " - "No interrupt available\n", dev->minor); - } - } else { - s->type = COMEDI_SUBD_UNUSED; - } - - /*========================================================================= - Analog output subdevice - ========================================================================*/ - - s = dev->subdevices + 1; - - if (thisboard->ao.count) { - s->type = COMEDI_SUBD_AO; - s->subdev_flags = SDF_WRITEABLE | SDF_COMMON | SDF_GROUND; - s->n_chan = thisboard->ao.count; - s->maxdata = 0xFFFF; /* 16 bit DAC */ - s->range_table = &me4000_ao_range; - s->insn_write = me4000_ao_insn_write; - s->insn_read = me4000_ao_insn_read; - } else { - s->type = COMEDI_SUBD_UNUSED; - } - - /*========================================================================= - Digital I/O subdevice - ========================================================================*/ - - s = dev->subdevices + 2; - - if (thisboard->dio.count) { - s->type = COMEDI_SUBD_DIO; - s->subdev_flags = SDF_READABLE | SDF_WRITABLE; - s->n_chan = thisboard->dio.count * 8; - s->maxdata = 1; - s->range_table = &range_digital; - s->insn_bits = me4000_dio_insn_bits; - s->insn_config = me4000_dio_insn_config; - } else { - s->type = COMEDI_SUBD_UNUSED; - } - - /* - * Check for optoisolated ME-4000 version. If one the first - * port is a fixed output port and the second is a fixed input port. - */ - if (!me4000_inl(dev, info->dio_context.dir_reg)) { - s->io_bits |= 0xFF; - me4000_outl(dev, ME4000_DIO_CTRL_BIT_MODE_0, - info->dio_context.dir_reg); - } - - /*========================================================================= - Counter subdevice - ========================================================================*/ - - s = dev->subdevices + 3; - - if (thisboard->cnt.count) { - s->type = COMEDI_SUBD_COUNTER; - s->subdev_flags = SDF_READABLE | SDF_WRITABLE; - s->n_chan = thisboard->cnt.count; - s->maxdata = 0xFFFF; /* 16 bit counters */ - s->insn_read = me4000_cnt_insn_read; - s->insn_write = me4000_cnt_insn_write; - s->insn_config = me4000_cnt_insn_config; - } else { - s->type = COMEDI_SUBD_UNUSED; - } - - return 0; -} - static int me4000_probe(struct comedi_device *dev, struct comedi_devconfig *it) { struct pci_dev *pci_device = NULL; @@ -920,22 +692,6 @@ static int reset_board(struct comedi_device *dev) return 0; } -static int me4000_detach(struct comedi_device *dev) -{ - CALL_PDEBUG("In me4000_detach()\n"); - - if (info) { - if (info->pci_dev_p) { - reset_board(dev); - if (info->plx_regbase) - comedi_pci_disable(info->pci_dev_p); - pci_dev_put(info->pci_dev_p); - } - } - - return 0; -} - /*============================================================================= Analog input section ===========================================================================*/ @@ -2424,43 +2180,185 @@ static int me4000_cnt_insn_write(struct comedi_device *dev, return 1; } -static int __devinit driver_me4000_pci_probe(struct pci_dev *dev, - const struct pci_device_id *ent) +static int me4000_attach(struct comedi_device *dev, struct comedi_devconfig *it) { - return comedi_pci_auto_config(dev, driver_me4000.driver_name); + struct comedi_subdevice *s; + int result; + + CALL_PDEBUG("In me4000_attach()\n"); + + result = me4000_probe(dev, it); + if (result) + return result; + + /* + * Allocate the subdevice structures. alloc_subdevice() is a + * convenient macro defined in comedidev.h. It relies on + * n_subdevices being set correctly. + */ + if (alloc_subdevices(dev, 4) < 0) + return -ENOMEM; + + /*========================================================================= + Analog input subdevice + ========================================================================*/ + + s = dev->subdevices + 0; + + if (thisboard->ai.count) { + s->type = COMEDI_SUBD_AI; + s->subdev_flags = + SDF_READABLE | SDF_COMMON | SDF_GROUND | SDF_DIFF; + s->n_chan = thisboard->ai.count; + s->maxdata = 0xFFFF; /* 16 bit ADC */ + s->len_chanlist = ME4000_AI_CHANNEL_LIST_COUNT; + s->range_table = &me4000_ai_range; + s->insn_read = me4000_ai_insn_read; + + if (info->irq > 0) { + if (request_irq(info->irq, me4000_ai_isr, + IRQF_SHARED, "ME-4000", dev)) { + printk + ("comedi%d: me4000: me4000_attach(): " + "Unable to allocate irq\n", dev->minor); + } else { + dev->read_subdev = s; + s->subdev_flags |= SDF_CMD_READ; + s->cancel = me4000_ai_cancel; + s->do_cmdtest = me4000_ai_do_cmd_test; + s->do_cmd = me4000_ai_do_cmd; + } + } else { + printk(KERN_WARNING + "comedi%d: me4000: me4000_attach(): " + "No interrupt available\n", dev->minor); + } + } else { + s->type = COMEDI_SUBD_UNUSED; + } + + /*========================================================================= + Analog output subdevice + ========================================================================*/ + + s = dev->subdevices + 1; + + if (thisboard->ao.count) { + s->type = COMEDI_SUBD_AO; + s->subdev_flags = SDF_WRITEABLE | SDF_COMMON | SDF_GROUND; + s->n_chan = thisboard->ao.count; + s->maxdata = 0xFFFF; /* 16 bit DAC */ + s->range_table = &me4000_ao_range; + s->insn_write = me4000_ao_insn_write; + s->insn_read = me4000_ao_insn_read; + } else { + s->type = COMEDI_SUBD_UNUSED; + } + + /*========================================================================= + Digital I/O subdevice + ========================================================================*/ + + s = dev->subdevices + 2; + + if (thisboard->dio.count) { + s->type = COMEDI_SUBD_DIO; + s->subdev_flags = SDF_READABLE | SDF_WRITABLE; + s->n_chan = thisboard->dio.count * 8; + s->maxdata = 1; + s->range_table = &range_digital; + s->insn_bits = me4000_dio_insn_bits; + s->insn_config = me4000_dio_insn_config; + } else { + s->type = COMEDI_SUBD_UNUSED; + } + + /* + * Check for optoisolated ME-4000 version. If one the first + * port is a fixed output port and the second is a fixed input port. + */ + if (!me4000_inl(dev, info->dio_context.dir_reg)) { + s->io_bits |= 0xFF; + me4000_outl(dev, ME4000_DIO_CTRL_BIT_MODE_0, + info->dio_context.dir_reg); + } + + /*========================================================================= + Counter subdevice + ========================================================================*/ + + s = dev->subdevices + 3; + + if (thisboard->cnt.count) { + s->type = COMEDI_SUBD_COUNTER; + s->subdev_flags = SDF_READABLE | SDF_WRITABLE; + s->n_chan = thisboard->cnt.count; + s->maxdata = 0xFFFF; /* 16 bit counters */ + s->insn_read = me4000_cnt_insn_read; + s->insn_write = me4000_cnt_insn_write; + s->insn_config = me4000_cnt_insn_config; + } else { + s->type = COMEDI_SUBD_UNUSED; + } + + return 0; } -static void __devexit driver_me4000_pci_remove(struct pci_dev *dev) +static void me4000_detach(struct comedi_device *dev) { - comedi_pci_auto_unconfig(dev); + if (info) { + if (info->pci_dev_p) { + reset_board(dev); + if (info->plx_regbase) + comedi_pci_disable(info->pci_dev_p); + pci_dev_put(info->pci_dev_p); + } + } } -static struct pci_driver driver_me4000_pci_driver = { - .id_table = me4000_pci_table, - .probe = &driver_me4000_pci_probe, - .remove = __devexit_p(&driver_me4000_pci_remove) +static struct comedi_driver me4000_driver = { + .driver_name = "me4000", + .module = THIS_MODULE, + .attach = me4000_attach, + .detach = me4000_detach, }; -static int __init driver_me4000_init_module(void) +static int __devinit me4000_pci_probe(struct pci_dev *dev, + const struct pci_device_id *ent) { - int retval; - - retval = comedi_driver_register(&driver_me4000); - if (retval < 0) - return retval; - - driver_me4000_pci_driver.name = (char *)driver_me4000.driver_name; - return pci_register_driver(&driver_me4000_pci_driver); + return comedi_pci_auto_config(dev, &me4000_driver); } -static void __exit driver_me4000_cleanup_module(void) +static void __devexit me4000_pci_remove(struct pci_dev *dev) { - pci_unregister_driver(&driver_me4000_pci_driver); - comedi_driver_unregister(&driver_me4000); + comedi_pci_auto_unconfig(dev); } -module_init(driver_me4000_init_module); -module_exit(driver_me4000_cleanup_module); +static DEFINE_PCI_DEVICE_TABLE(me4000_pci_table) = { + { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4650) }, + { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4660) }, + { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4661) }, + { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4662) }, + { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4663) }, + { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4670) }, + { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4671) }, + { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4672) }, + { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4673) }, + { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4680) }, + { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4681) }, + { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4682) }, + { PCI_DEVICE(PCI_VENDOR_ID_MEILHAUS, 0x4683) }, + { 0 } +}; +MODULE_DEVICE_TABLE(pci, me4000_pci_table); + +static struct pci_driver me4000_pci_driver = { + .name = "me4000", + .id_table = me4000_pci_table, + .probe = me4000_pci_probe, + .remove = __devexit_p(me4000_pci_remove), +}; +module_comedi_pci_driver(me4000_driver, me4000_pci_driver); MODULE_AUTHOR("Comedi http://www.comedi.org"); MODULE_DESCRIPTION("Comedi low-level driver"); |