diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/mpc624.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/mpc624.c | 236 |
1 files changed, 105 insertions, 131 deletions
diff --git a/drivers/staging/comedi/drivers/mpc624.c b/drivers/staging/comedi/drivers/mpc624.c index dd09a6d46e5c..4304e864a4d4 100644 --- a/drivers/staging/comedi/drivers/mpc624.c +++ b/drivers/staging/comedi/drivers/mpc624.c @@ -148,131 +148,6 @@ static const struct comedi_lrange range_mpc624_bipolar10 = { } }; -/* -------------------------------------------------------------------------- */ -static int mpc624_attach(struct comedi_device *dev, - struct comedi_devconfig *it); -static int mpc624_detach(struct comedi_device *dev); -/* -------------------------------------------------------------------------- */ -static struct comedi_driver driver_mpc624 = { - .driver_name = "mpc624", - .module = THIS_MODULE, - .attach = mpc624_attach, - .detach = mpc624_detach -}; - -/* -------------------------------------------------------------------------- */ -static int mpc624_ai_rinsn(struct comedi_device *dev, - struct comedi_subdevice *s, struct comedi_insn *insn, - unsigned int *data); -/* -------------------------------------------------------------------------- */ -static int mpc624_attach(struct comedi_device *dev, struct comedi_devconfig *it) -{ - struct comedi_subdevice *s; - unsigned long iobase; - - iobase = it->options[0]; - printk(KERN_INFO "comedi%d: mpc624 [0x%04lx, ", dev->minor, iobase); - if (request_region(iobase, MPC624_SIZE, "mpc624") == NULL) { - printk(KERN_ERR "I/O port(s) in use\n"); - return -EIO; - } - - dev->iobase = iobase; - dev->board_name = "mpc624"; - - /* Private structure initialization */ - if (alloc_private(dev, sizeof(struct skel_private)) < 0) - return -ENOMEM; - - switch (it->options[1]) { - case 0: - devpriv->ulConvertionRate = MPC624_SPEED_3_52_kHz; - printk(KERN_INFO "3.52 kHz, "); - break; - case 1: - devpriv->ulConvertionRate = MPC624_SPEED_1_76_kHz; - printk(KERN_INFO "1.76 kHz, "); - break; - case 2: - devpriv->ulConvertionRate = MPC624_SPEED_880_Hz; - printk(KERN_INFO "880 Hz, "); - break; - case 3: - devpriv->ulConvertionRate = MPC624_SPEED_440_Hz; - printk(KERN_INFO "440 Hz, "); - break; - case 4: - devpriv->ulConvertionRate = MPC624_SPEED_220_Hz; - printk(KERN_INFO "220 Hz, "); - break; - case 5: - devpriv->ulConvertionRate = MPC624_SPEED_110_Hz; - printk(KERN_INFO "110 Hz, "); - break; - case 6: - devpriv->ulConvertionRate = MPC624_SPEED_55_Hz; - printk(KERN_INFO "55 Hz, "); - break; - case 7: - devpriv->ulConvertionRate = MPC624_SPEED_27_5_Hz; - printk(KERN_INFO "27.5 Hz, "); - break; - case 8: - devpriv->ulConvertionRate = MPC624_SPEED_13_75_Hz; - printk(KERN_INFO "13.75 Hz, "); - break; - case 9: - devpriv->ulConvertionRate = MPC624_SPEED_6_875_Hz; - printk(KERN_INFO "6.875 Hz, "); - break; - default: - printk - (KERN_ERR "illegal conversion rate setting!" - " Valid numbers are 0..9. Using 9 => 6.875 Hz, "); - devpriv->ulConvertionRate = MPC624_SPEED_3_52_kHz; - } - - /* Subdevices structures */ - if (alloc_subdevices(dev, 1) < 0) - return -ENOMEM; - - s = dev->subdevices + 0; - s->type = COMEDI_SUBD_AI; - s->subdev_flags = SDF_READABLE | SDF_DIFF; - s->n_chan = 8; - switch (it->options[1]) { - default: - s->maxdata = 0x3FFFFFFF; - printk(KERN_INFO "30 bit, "); - } - - switch (it->options[1]) { - case 0: - s->range_table = &range_mpc624_bipolar1; - printk(KERN_INFO "1.01V]: "); - break; - default: - s->range_table = &range_mpc624_bipolar10; - printk(KERN_INFO "10.1V]: "); - } - s->len_chanlist = 1; - s->insn_read = mpc624_ai_rinsn; - - printk(KERN_INFO "attached\n"); - - return 1; -} - -static int mpc624_detach(struct comedi_device *dev) -{ - printk(KERN_INFO "comedi%d: mpc624: remove\n", dev->minor); - - if (dev->iobase) - release_region(dev->iobase, MPC624_SIZE); - - return 0; -} - /* Timeout 200ms */ #define TIMEOUT 200 @@ -406,18 +281,117 @@ static int mpc624_ai_rinsn(struct comedi_device *dev, return n; } -static int __init driver_mpc624_init_module(void) +static int mpc624_attach(struct comedi_device *dev, struct comedi_devconfig *it) { - return comedi_driver_register(&driver_mpc624); + struct comedi_subdevice *s; + unsigned long iobase; + + iobase = it->options[0]; + printk(KERN_INFO "comedi%d: mpc624 [0x%04lx, ", dev->minor, iobase); + if (request_region(iobase, MPC624_SIZE, "mpc624") == NULL) { + printk(KERN_ERR "I/O port(s) in use\n"); + return -EIO; + } + + dev->iobase = iobase; + dev->board_name = "mpc624"; + + /* Private structure initialization */ + if (alloc_private(dev, sizeof(struct skel_private)) < 0) + return -ENOMEM; + + switch (it->options[1]) { + case 0: + devpriv->ulConvertionRate = MPC624_SPEED_3_52_kHz; + printk(KERN_INFO "3.52 kHz, "); + break; + case 1: + devpriv->ulConvertionRate = MPC624_SPEED_1_76_kHz; + printk(KERN_INFO "1.76 kHz, "); + break; + case 2: + devpriv->ulConvertionRate = MPC624_SPEED_880_Hz; + printk(KERN_INFO "880 Hz, "); + break; + case 3: + devpriv->ulConvertionRate = MPC624_SPEED_440_Hz; + printk(KERN_INFO "440 Hz, "); + break; + case 4: + devpriv->ulConvertionRate = MPC624_SPEED_220_Hz; + printk(KERN_INFO "220 Hz, "); + break; + case 5: + devpriv->ulConvertionRate = MPC624_SPEED_110_Hz; + printk(KERN_INFO "110 Hz, "); + break; + case 6: + devpriv->ulConvertionRate = MPC624_SPEED_55_Hz; + printk(KERN_INFO "55 Hz, "); + break; + case 7: + devpriv->ulConvertionRate = MPC624_SPEED_27_5_Hz; + printk(KERN_INFO "27.5 Hz, "); + break; + case 8: + devpriv->ulConvertionRate = MPC624_SPEED_13_75_Hz; + printk(KERN_INFO "13.75 Hz, "); + break; + case 9: + devpriv->ulConvertionRate = MPC624_SPEED_6_875_Hz; + printk(KERN_INFO "6.875 Hz, "); + break; + default: + printk + (KERN_ERR "illegal conversion rate setting!" + " Valid numbers are 0..9. Using 9 => 6.875 Hz, "); + devpriv->ulConvertionRate = MPC624_SPEED_3_52_kHz; + } + + /* Subdevices structures */ + if (alloc_subdevices(dev, 1) < 0) + return -ENOMEM; + + s = dev->subdevices + 0; + s->type = COMEDI_SUBD_AI; + s->subdev_flags = SDF_READABLE | SDF_DIFF; + s->n_chan = 8; + switch (it->options[1]) { + default: + s->maxdata = 0x3FFFFFFF; + printk(KERN_INFO "30 bit, "); + } + + switch (it->options[1]) { + case 0: + s->range_table = &range_mpc624_bipolar1; + printk(KERN_INFO "1.01V]: "); + break; + default: + s->range_table = &range_mpc624_bipolar10; + printk(KERN_INFO "10.1V]: "); + } + s->len_chanlist = 1; + s->insn_read = mpc624_ai_rinsn; + + printk(KERN_INFO "attached\n"); + + return 1; } -static void __exit driver_mpc624_cleanup_module(void) +static void mpc624_detach(struct comedi_device *dev) { - comedi_driver_unregister(&driver_mpc624); + if (dev->iobase) + release_region(dev->iobase, MPC624_SIZE); } -module_init(driver_mpc624_init_module); -module_exit(driver_mpc624_cleanup_module); +static struct comedi_driver mpc624_driver = { + .driver_name = "mpc624", + .module = THIS_MODULE, + .attach = mpc624_attach, + .detach = mpc624_detach +}; +module_comedi_driver(mpc624_driver); MODULE_AUTHOR("Comedi http://www.comedi.org"); MODULE_DESCRIPTION("Comedi low-level driver"); |