diff options
author | H Hartley Sweeten <hartleys@visionengravers.com> | 2012-08-16 19:45:30 -0700 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-17 08:14:31 -0700 |
commit | 6d336a56d43c90c0c46273eb82cae022cac24af4 (patch) | |
tree | 3cd5477e2b3c3d80578c06e38f41864572108d27 /drivers/staging | |
parent | c6ad306b948e78dddcc064a71c41382469d656a3 (diff) |
staging: comedi: cb_pcidda: remove forward declarations
Move a couple of the functions in order to remove the need for
the forward declarations.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
-rw-r--r-- | drivers/staging/comedi/drivers/cb_pcidda.c | 389 |
1 files changed, 184 insertions, 205 deletions
diff --git a/drivers/staging/comedi/drivers/cb_pcidda.c b/drivers/staging/comedi/drivers/cb_pcidda.c index 63f5d702d65b..8a66e1ad48f4 100644 --- a/drivers/staging/comedi/drivers/cb_pcidda.c +++ b/drivers/staging/comedi/drivers/cb_pcidda.c @@ -224,160 +224,6 @@ struct cb_pcidda_private { u16 eeprom_data[EEPROM_SIZE]; /* software copy of board's eeprom */ }; -/* static int cb_pcidda_ai_rinsn(struct comedi_device *dev,struct comedi_subdevice *s,struct comedi_insn *insn,unsigned int *data); */ -static int cb_pcidda_ao_winsn(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data); - -/* static int cb_pcidda_ai_cmd(struct comedi_device *dev, struct *comedi_subdevice *s);*/ -/* static int cb_pcidda_ai_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_cmd *cmd); */ -/* static int cb_pcidda_ns_to_timer(unsigned int *ns,int *round); */ - -static unsigned int cb_pcidda_serial_in(struct comedi_device *dev); -static void cb_pcidda_serial_out(struct comedi_device *dev, unsigned int value, - unsigned int num_bits); -static unsigned int cb_pcidda_read_eeprom(struct comedi_device *dev, - unsigned int address); -static void cb_pcidda_calibrate(struct comedi_device *dev, unsigned int channel, - unsigned int range); - -static struct pci_dev *cb_pcidda_find_pci_dev(struct comedi_device *dev, - struct comedi_devconfig *it) -{ - struct pci_dev *pcidev = NULL; - int bus = it->options[0]; - int slot = it->options[1]; - int i; - - for_each_pci_dev(pcidev) { - if (bus || slot) { - if (bus != pcidev->bus->number || - slot != PCI_SLOT(pcidev->devfn)) - continue; - } - if (pcidev->vendor != PCI_VENDOR_ID_CB) - continue; - - for (i = 0; i < ARRAY_SIZE(cb_pcidda_boards); i++) { - if (cb_pcidda_boards[i].device_id != pcidev->device) - continue; - dev->board_ptr = cb_pcidda_boards + i; - return pcidev; - } - } - dev_err(dev->class_dev, - "No supported board found! (req. bus %d, slot %d)\n", - bus, slot); - return NULL; -} - -/* - * Attach is called by the Comedi core to configure the driver - * for a particular board. - */ -static int cb_pcidda_attach(struct comedi_device *dev, - struct comedi_devconfig *it) -{ - const struct cb_pcidda_board *thisboard; - struct cb_pcidda_private *devpriv; - struct pci_dev *pcidev; - struct comedi_subdevice *s; - int index; - int ret; - - ret = alloc_private(dev, sizeof(*devpriv)); - if (ret) - return ret; - devpriv = dev->private; - - pcidev = cb_pcidda_find_pci_dev(dev, it); - if (!pcidev) - return -EIO; - comedi_set_hw_dev(dev, &pcidev->dev); - thisboard = comedi_board(dev); - - /* - * Enable PCI device and request regions. - */ - if (comedi_pci_enable(pcidev, thisboard->name)) { - dev_err(dev->class_dev, - "cb_pcidda: failed to enable PCI device and request regions\n"); - return -EIO; - } - -/* - * Allocate the I/O ports. - */ - devpriv->digitalio = pci_resource_start(pcidev, DIGITALIO_BADRINDEX); - devpriv->dac = pci_resource_start(pcidev, DAC_BADRINDEX); - dev->iobase = devpriv->dac; - -/* - * Warn about the status of the driver. - */ - if (thisboard->status == 2) - printk - ("WARNING: DRIVER FOR THIS BOARD NOT CHECKED WITH MANUAL. " - "WORKS ASSUMING FULL COMPATIBILITY WITH PCI-DDA08/12. " - "PLEASE REPORT USAGE TO <ivanmr@altavista.com>.\n"); - -/* - * Initialize dev->board_name. - */ - dev->board_name = thisboard->name; - - ret = comedi_alloc_subdevices(dev, 3); - if (ret) - return ret; - - s = dev->subdevices + 0; - /* analog output subdevice */ - s->type = COMEDI_SUBD_AO; - s->subdev_flags = SDF_WRITABLE; - s->n_chan = thisboard->ao_chans; - s->maxdata = (1 << thisboard->ao_bits) - 1; - s->range_table = thisboard->ranges; - s->insn_write = cb_pcidda_ao_winsn; - - /* s->subdev_flags |= SDF_CMD_READ; */ - /* s->do_cmd = cb_pcidda_ai_cmd; */ - /* s->do_cmdtest = cb_pcidda_ai_cmdtest; */ - - /* two 8255 digital io subdevices */ - s = dev->subdevices + 1; - subdev_8255_init(dev, s, NULL, devpriv->digitalio); - s = dev->subdevices + 2; - subdev_8255_init(dev, s, NULL, devpriv->digitalio + PORT2A); - - dev_dbg(dev->class_dev, "eeprom:\n"); - for (index = 0; index < EEPROM_SIZE; index++) { - devpriv->eeprom_data[index] = cb_pcidda_read_eeprom(dev, index); - dev_dbg(dev->class_dev, "%i:0x%x\n", index, - devpriv->eeprom_data[index]); - } - - /* set calibrations dacs */ - for (index = 0; index < thisboard->ao_chans; index++) - cb_pcidda_calibrate(dev, index, devpriv->ao_range[index]); - - return 1; -} - -static void cb_pcidda_detach(struct comedi_device *dev) -{ - struct pci_dev *pcidev = comedi_to_pci_dev(dev); - - if (pcidev) { - if (dev->iobase) - comedi_pci_disable(pcidev); - pci_dev_put(pcidev); - } - if (dev->subdevices) { - subdev_8255_cleanup(dev, dev->subdevices + 1); - subdev_8255_cleanup(dev, dev->subdevices + 2); - } -} - /* * I will program this later... ;-) */ @@ -572,57 +418,6 @@ static int cb_pcidda_ns_to_timer(unsigned int *ns, int round) } #endif -static int cb_pcidda_ao_winsn(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) -{ - struct cb_pcidda_private *devpriv = dev->private; - unsigned int command; - unsigned int channel, range; - - channel = CR_CHAN(insn->chanspec); - range = CR_RANGE(insn->chanspec); - - /* adjust calibration dacs if range has changed */ - if (range != devpriv->ao_range[channel]) - cb_pcidda_calibrate(dev, channel, range); - - /* output channel configuration */ - command = NOSU | ENABLEDAC; - - /* output channel range */ - switch (range) { - case 0: - command |= BIP | RANGE10V; - break; - case 1: - command |= BIP | RANGE5V; - break; - case 2: - command |= BIP | RANGE2V5; - break; - case 3: - command |= UNIP | RANGE10V; - break; - case 4: - command |= UNIP | RANGE5V; - break; - case 5: - command |= UNIP | RANGE2V5; - break; - } - - /* output channel specification */ - command |= channel << 2; - outw(command, devpriv->dac + DACONTROL); - - /* write data */ - outw(data[0], devpriv->dac + DADATA + channel * 2); - - /* return the number of samples read/written */ - return 1; -} - /* lowlevel read from eeprom */ static unsigned int cb_pcidda_serial_in(struct comedi_device *dev) { @@ -824,6 +619,190 @@ static void cb_pcidda_calibrate(struct comedi_device *dev, unsigned int channel, fine_gain_channel(channel), fine_gain); } +static int cb_pcidda_ao_winsn(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data) +{ + struct cb_pcidda_private *devpriv = dev->private; + unsigned int command; + unsigned int channel, range; + + channel = CR_CHAN(insn->chanspec); + range = CR_RANGE(insn->chanspec); + + /* adjust calibration dacs if range has changed */ + if (range != devpriv->ao_range[channel]) + cb_pcidda_calibrate(dev, channel, range); + + /* output channel configuration */ + command = NOSU | ENABLEDAC; + + /* output channel range */ + switch (range) { + case 0: + command |= BIP | RANGE10V; + break; + case 1: + command |= BIP | RANGE5V; + break; + case 2: + command |= BIP | RANGE2V5; + break; + case 3: + command |= UNIP | RANGE10V; + break; + case 4: + command |= UNIP | RANGE5V; + break; + case 5: + command |= UNIP | RANGE2V5; + break; + } + + /* output channel specification */ + command |= channel << 2; + outw(command, devpriv->dac + DACONTROL); + + /* write data */ + outw(data[0], devpriv->dac + DADATA + channel * 2); + + /* return the number of samples read/written */ + return 1; +} + +static struct pci_dev *cb_pcidda_find_pci_dev(struct comedi_device *dev, + struct comedi_devconfig *it) +{ + struct pci_dev *pcidev = NULL; + int bus = it->options[0]; + int slot = it->options[1]; + int i; + + for_each_pci_dev(pcidev) { + if (bus || slot) { + if (bus != pcidev->bus->number || + slot != PCI_SLOT(pcidev->devfn)) + continue; + } + if (pcidev->vendor != PCI_VENDOR_ID_CB) + continue; + + for (i = 0; i < ARRAY_SIZE(cb_pcidda_boards); i++) { + if (cb_pcidda_boards[i].device_id != pcidev->device) + continue; + dev->board_ptr = cb_pcidda_boards + i; + return pcidev; + } + } + dev_err(dev->class_dev, + "No supported board found! (req. bus %d, slot %d)\n", + bus, slot); + return NULL; +} + +static int cb_pcidda_attach(struct comedi_device *dev, + struct comedi_devconfig *it) +{ + const struct cb_pcidda_board *thisboard; + struct cb_pcidda_private *devpriv; + struct pci_dev *pcidev; + struct comedi_subdevice *s; + int index; + int ret; + + ret = alloc_private(dev, sizeof(*devpriv)); + if (ret) + return ret; + devpriv = dev->private; + + pcidev = cb_pcidda_find_pci_dev(dev, it); + if (!pcidev) + return -EIO; + comedi_set_hw_dev(dev, &pcidev->dev); + thisboard = comedi_board(dev); + + /* + * Enable PCI device and request regions. + */ + if (comedi_pci_enable(pcidev, thisboard->name)) { + dev_err(dev->class_dev, + "cb_pcidda: failed to enable PCI device and request regions\n"); + return -EIO; + } + +/* + * Allocate the I/O ports. + */ + devpriv->digitalio = pci_resource_start(pcidev, DIGITALIO_BADRINDEX); + devpriv->dac = pci_resource_start(pcidev, DAC_BADRINDEX); + dev->iobase = devpriv->dac; + +/* + * Warn about the status of the driver. + */ + if (thisboard->status == 2) + printk + ("WARNING: DRIVER FOR THIS BOARD NOT CHECKED WITH MANUAL. " + "WORKS ASSUMING FULL COMPATIBILITY WITH PCI-DDA08/12. " + "PLEASE REPORT USAGE TO <ivanmr@altavista.com>.\n"); + +/* + * Initialize dev->board_name. + */ + dev->board_name = thisboard->name; + + ret = comedi_alloc_subdevices(dev, 3); + if (ret) + return ret; + + s = dev->subdevices + 0; + /* analog output subdevice */ + s->type = COMEDI_SUBD_AO; + s->subdev_flags = SDF_WRITABLE; + s->n_chan = thisboard->ao_chans; + s->maxdata = (1 << thisboard->ao_bits) - 1; + s->range_table = thisboard->ranges; + s->insn_write = cb_pcidda_ao_winsn; + + /* s->subdev_flags |= SDF_CMD_READ; */ + /* s->do_cmd = cb_pcidda_ai_cmd; */ + /* s->do_cmdtest = cb_pcidda_ai_cmdtest; */ + + /* two 8255 digital io subdevices */ + s = dev->subdevices + 1; + subdev_8255_init(dev, s, NULL, devpriv->digitalio); + s = dev->subdevices + 2; + subdev_8255_init(dev, s, NULL, devpriv->digitalio + PORT2A); + + dev_dbg(dev->class_dev, "eeprom:\n"); + for (index = 0; index < EEPROM_SIZE; index++) { + devpriv->eeprom_data[index] = cb_pcidda_read_eeprom(dev, index); + dev_dbg(dev->class_dev, "%i:0x%x\n", index, + devpriv->eeprom_data[index]); + } + + /* set calibrations dacs */ + for (index = 0; index < thisboard->ao_chans; index++) + cb_pcidda_calibrate(dev, index, devpriv->ao_range[index]); + + return 1; +} + +static void cb_pcidda_detach(struct comedi_device *dev) +{ + struct pci_dev *pcidev = comedi_to_pci_dev(dev); + + if (pcidev) { + if (dev->iobase) + comedi_pci_disable(pcidev); + pci_dev_put(pcidev); + } + if (dev->subdevices) { + subdev_8255_cleanup(dev, dev->subdevices + 1); + subdev_8255_cleanup(dev, dev->subdevices + 2); + } +} + static struct comedi_driver cb_pcidda_driver = { .driver_name = "cb_pcidda", .module = THIS_MODULE, |