diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/das08_cs.c')
-rw-r--r-- | drivers/staging/comedi/drivers/das08_cs.c | 152 |
1 files changed, 36 insertions, 116 deletions
diff --git a/drivers/staging/comedi/drivers/das08_cs.c b/drivers/staging/comedi/drivers/das08_cs.c index 024262375e3c..cfeebe4d1ddd 100644 --- a/drivers/staging/comedi/drivers/das08_cs.c +++ b/drivers/staging/comedi/drivers/das08_cs.c @@ -46,125 +46,70 @@ Options (for pcm-das08): Command support does not exist, but could be added for this board. */ -#include "../comedidev.h" - #include <linux/delay.h> -#include <linux/pci.h> #include <linux/slab.h> -#include "das08.h" +#include "../comedidev.h" -/* pcmcia includes */ #include <pcmcia/cistpl.h> #include <pcmcia/ds.h> +#include "das08.h" + static const struct das08_board_struct das08_cs_boards[] = { { - .name = "pcm-das08", - .id = 0x0, /* XXX */ - .bustype = pcmcia, - .ai_nbits = 12, - .ai_pg = das08_bipolar5, - .ai_encoding = das08_pcm_encode12, - .di_nchan = 3, - .do_nchan = 3, - .iosize = 16, - }, - /* duplicate so driver name can be used also */ - { - .name = "das08_cs", - .id = 0x0, /* XXX */ - .bustype = pcmcia, - .ai_nbits = 12, - .ai_pg = das08_bipolar5, - .ai_encoding = das08_pcm_encode12, - .di_nchan = 3, - .do_nchan = 3, - .iosize = 16, + .name = "pcm-das08", + .id = 0x0, /* XXX */ + .ai_nbits = 12, + .ai_pg = das08_bipolar5, + .ai_encoding = das08_pcm_encode12, + .di_nchan = 3, + .do_nchan = 3, + .iosize = 16, }, }; -static struct pcmcia_device *cur_dev; - -static int das08_cs_attach(struct comedi_device *dev, - struct comedi_devconfig *it) +static int das08_cs_auto_attach(struct comedi_device *dev, + unsigned long context) { - const struct das08_board_struct *thisboard = comedi_board(dev); + struct pcmcia_device *link = comedi_to_pcmcia_dev(dev); struct das08_private_struct *devpriv; unsigned long iobase; - struct pcmcia_device *link = cur_dev; /* XXX hack */ + int ret; + + /* The das08 driver needs the board_ptr */ + dev->board_ptr = &das08_cs_boards[0]; + + link->config_flags |= CONF_AUTO_SET_IO; + ret = comedi_pcmcia_enable(dev, NULL); + if (ret) + return ret; + iobase = link->resource[0]->start; devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL); if (!devpriv) return -ENOMEM; dev->private = devpriv; - dev_info(dev->class_dev, "das08_cs: attach\n"); - /* deal with a pci board */ - - if (thisboard->bustype == pcmcia) { - if (link == NULL) { - dev_err(dev->class_dev, "no pcmcia cards found\n"); - return -EIO; - } - iobase = link->resource[0]->start; - } else { - dev_err(dev->class_dev, - "bug! board does not have PCMCIA bustype\n"); - return -EINVAL; - } - return das08_common_attach(dev, iobase); } +static void das08_cs_detach(struct comedi_device *dev) +{ + das08_common_detach(dev); + comedi_pcmcia_disable(dev); +} + static struct comedi_driver driver_das08_cs = { .driver_name = "das08_cs", .module = THIS_MODULE, - .attach = das08_cs_attach, - .detach = das08_common_detach, - .board_name = &das08_cs_boards[0].name, - .num_names = ARRAY_SIZE(das08_cs_boards), - .offset = sizeof(struct das08_board_struct), + .auto_attach = das08_cs_auto_attach, + .detach = das08_cs_detach, }; -static int das08_pcmcia_config_loop(struct pcmcia_device *p_dev, - void *priv_data) -{ - if (p_dev->config_index == 0) - return -EINVAL; - - return pcmcia_request_io(p_dev); -} - static int das08_pcmcia_attach(struct pcmcia_device *link) { - int ret; - - link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO; - - ret = pcmcia_loop_config(link, das08_pcmcia_config_loop, NULL); - if (ret) - goto failed; - - if (!link->irq) - goto failed; - - ret = pcmcia_enable_device(link); - if (ret) - goto failed; - - cur_dev = link; - return 0; - -failed: - pcmcia_disable_device(link); - return ret; -} - -static void das08_pcmcia_detach(struct pcmcia_device *link) -{ - pcmcia_disable_device(link); - cur_dev = NULL; + return comedi_pcmcia_auto_config(link, &driver_das08_cs); } static const struct pcmcia_device_id das08_cs_id_table[] = { @@ -176,36 +121,11 @@ MODULE_DEVICE_TABLE(pcmcia, das08_cs_id_table); static struct pcmcia_driver das08_cs_driver = { .name = "pcm-das08", .owner = THIS_MODULE, - .probe = das08_pcmcia_attach, - .remove = das08_pcmcia_detach, .id_table = das08_cs_id_table, + .probe = das08_pcmcia_attach, + .remove = comedi_pcmcia_auto_unconfig, }; - -static int __init das08_cs_init_module(void) -{ - int ret; - - ret = comedi_driver_register(&driver_das08_cs); - if (ret < 0) - return ret; - - ret = pcmcia_register_driver(&das08_cs_driver); - if (ret < 0) { - comedi_driver_unregister(&driver_das08_cs); - return ret; - } - - return 0; - -} -module_init(das08_cs_init_module); - -static void __exit das08_cs_exit_module(void) -{ - pcmcia_unregister_driver(&das08_cs_driver); - comedi_driver_unregister(&driver_das08_cs); -} -module_exit(das08_cs_exit_module); +module_comedi_pcmcia_driver(driver_das08_cs, das08_cs_driver); MODULE_AUTHOR("David A. Schleef <ds@schleef.org>, " "Frank Mori Hess <fmhess@users.sourceforge.net>"); |