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-rw-r--r--drivers/staging/comedi/drivers/das08.c358
1 files changed, 9 insertions, 349 deletions
diff --git a/drivers/staging/comedi/drivers/das08.c b/drivers/staging/comedi/drivers/das08.c
index b15e05808cb0..9823aa06787a 100644
--- a/drivers/staging/comedi/drivers/das08.c
+++ b/drivers/staging/comedi/drivers/das08.c
@@ -1,6 +1,6 @@
/*
* comedi/drivers/das08.c
- * DAS08 driver
+ * comedi driver for common DAS08 support (used by ISA/PCI/PCMCIA drivers)
*
* COMEDI - Linux Control and Measurement Device Interface
* Copyright (C) 2000 David A. Schleef <ds@schleef.org>
@@ -27,57 +27,26 @@
/*
* Driver: das08
* Description: DAS-08 compatible boards
+ * Devices: various, see das08_isa, das08_cs, and das08_pci drivers
* Author: Warren Jasper, ds, Frank Hess
- * Devices: [Keithley Metrabyte] DAS08 (isa-das08),
- * [ComputerBoards] DAS08 (isa-das08), DAS08-PGM (das08-pgm),
- * DAS08-PGH (das08-pgh), DAS08-PGL (das08-pgl), DAS08-AOH (das08-aoh),
- * DAS08-AOL (das08-aol), DAS08-AOM (das08-aom), DAS08/JR-AO (das08/jr-ao),
- * DAS08/JR-16-AO (das08jr-16-ao), PCI-DAS08 (pci-das08),
- * PC104-DAS08 (pc104-das08), DAS08/JR/16 (das08jr/16)
* Updated: Fri, 31 Aug 2012 19:19:06 +0100
* Status: works
*
- * This is a rewrite of the das08 and das08jr drivers.
+ * This driver is used by the das08_isa, das08_cs, and das08_pci
+ * drivers to provide the common support for the DAS-08 hardware.
*
- * Options (for ISA cards):
- * [0] - base io address
- *
- * Manual configuration of PCI cards is not supported; they are
- * configured automatically.
- *
- * The das08 driver doesn't support asynchronous commands, since
- * the cheap das08 hardware doesn't really support them. The
- * comedi_rt_timer driver can be used to emulate commands for this
- * driver.
+ * The driver doesn't support asynchronous commands, since the
+ * cheap das08 hardware doesn't really support them.
*/
-#include "../comedidev.h"
-
#include <linux/delay.h>
+#include "../comedidev.h"
+
#include "8255.h"
#include "8253.h"
#include "das08.h"
-#define DRV_NAME "das08"
-
-#define DO_ISA IS_ENABLED(CONFIG_COMEDI_DAS08_ISA)
-#define DO_PCI IS_ENABLED(CONFIG_COMEDI_DAS08_PCI)
-#define DO_COMEDI_DRIVER_REGISTER (DO_ISA || DO_PCI)
-
-#define PCI_DEVICE_ID_PCIDAS08 0x29
-#define PCIDAS08_SIZE 0x54
-
-/* pci configuration registers */
-#define INTCSR 0x4c
-#define INTR1_ENABLE 0x1
-#define INTR1_HIGH_POLARITY 0x2
-#define PCI_INTR_ENABLE 0x40
-#define INTR1_EDGE_TRIG 0x100 /* requires high polarity */
-#define CNTRL 0x50
-#define CNTRL_DIR 0x2
-#define CNTRL_INTR 0x4
-
/*
cio-das08.pdf
@@ -235,16 +204,6 @@ static const int *const das08_gainlists[] = {
das08_pgm_gainlist,
};
-static inline bool is_isa_board(const struct das08_board_struct *board)
-{
- return DO_ISA && board->bustype == isa;
-}
-
-static inline bool is_pci_board(const struct das08_board_struct *board)
-{
- return DO_PCI && board->bustype == pci;
-}
-
#define TIMEOUT 100000
static int das08_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
@@ -501,159 +460,6 @@ static int das08_counter_config(struct comedi_device *dev,
return 2;
}
-#if DO_COMEDI_DRIVER_REGISTER
-static const struct das08_board_struct das08_boards[] = {
-#if DO_ISA
- {
- .name = "isa-das08", /* cio-das08.pdf */
- .bustype = isa,
- .ai_nbits = 12,
- .ai_pg = das08_pg_none,
- .ai_encoding = das08_encode12,
- .di_nchan = 3,
- .do_nchan = 4,
- .i8255_offset = 8,
- .i8254_offset = 4,
- .iosize = 16, /* unchecked */
- },
- {
- .name = "das08-pgm", /* cio-das08pgx.pdf */
- .bustype = isa,
- .ai_nbits = 12,
- .ai_pg = das08_pgm,
- .ai_encoding = das08_encode12,
- .di_nchan = 3,
- .do_nchan = 4,
- .i8255_offset = 0,
- .i8254_offset = 0x04,
- .iosize = 16, /* unchecked */
- },
- {
- .name = "das08-pgh", /* cio-das08pgx.pdf */
- .bustype = isa,
- .ai_nbits = 12,
- .ai_pg = das08_pgh,
- .ai_encoding = das08_encode12,
- .di_nchan = 3,
- .do_nchan = 4,
- .i8254_offset = 0x04,
- .iosize = 16, /* unchecked */
- },
- {
- .name = "das08-pgl", /* cio-das08pgx.pdf */
- .bustype = isa,
- .ai_nbits = 12,
- .ai_pg = das08_pgl,
- .ai_encoding = das08_encode12,
- .di_nchan = 3,
- .do_nchan = 4,
- .i8254_offset = 0x04,
- .iosize = 16, /* unchecked */
- },
- {
- .name = "das08-aoh", /* cio-das08_aox.pdf */
- .bustype = isa,
- .ai_nbits = 12,
- .ai_pg = das08_pgh,
- .ai_encoding = das08_encode12,
- .ao_nbits = 12,
- .di_nchan = 3,
- .do_nchan = 4,
- .i8255_offset = 0x0c,
- .i8254_offset = 0x04,
- .iosize = 16, /* unchecked */
- },
- {
- .name = "das08-aol", /* cio-das08_aox.pdf */
- .bustype = isa,
- .ai_nbits = 12,
- .ai_pg = das08_pgl,
- .ai_encoding = das08_encode12,
- .ao_nbits = 12,
- .di_nchan = 3,
- .do_nchan = 4,
- .i8255_offset = 0x0c,
- .i8254_offset = 0x04,
- .iosize = 16, /* unchecked */
- },
- {
- .name = "das08-aom", /* cio-das08_aox.pdf */
- .bustype = isa,
- .ai_nbits = 12,
- .ai_pg = das08_pgm,
- .ai_encoding = das08_encode12,
- .ao_nbits = 12,
- .di_nchan = 3,
- .do_nchan = 4,
- .i8255_offset = 0x0c,
- .i8254_offset = 0x04,
- .iosize = 16, /* unchecked */
- },
- {
- .name = "das08/jr-ao", /* cio-das08-jr-ao.pdf */
- .bustype = isa,
- .is_jr = true,
- .ai_nbits = 12,
- .ai_pg = das08_pg_none,
- .ai_encoding = das08_encode12,
- .ao_nbits = 12,
- .di_nchan = 8,
- .do_nchan = 8,
- .iosize = 16, /* unchecked */
- },
- {
- .name = "das08jr-16-ao", /* cio-das08jr-16-ao.pdf */
- .bustype = isa,
- .is_jr = true,
- .ai_nbits = 16,
- .ai_pg = das08_pg_none,
- .ai_encoding = das08_encode16,
- .ao_nbits = 16,
- .di_nchan = 8,
- .do_nchan = 8,
- .i8254_offset = 0x04,
- .iosize = 16, /* unchecked */
- },
- {
- .name = "pc104-das08",
- .bustype = isa,
- .ai_nbits = 12,
- .ai_pg = das08_pg_none,
- .ai_encoding = das08_encode12,
- .di_nchan = 3,
- .do_nchan = 4,
- .i8254_offset = 4,
- .iosize = 16, /* unchecked */
- },
- {
- .name = "das08jr/16",
- .bustype = isa,
- .is_jr = true,
- .ai_nbits = 16,
- .ai_pg = das08_pg_none,
- .ai_encoding = das08_encode16,
- .di_nchan = 8,
- .do_nchan = 8,
- .iosize = 16, /* unchecked */
- },
-#endif /* DO_ISA */
-#if DO_PCI
- {
- .name = "pci-das08", /* pci-das08 */
- .id = PCI_DEVICE_ID_PCIDAS08,
- .bustype = pci,
- .ai_nbits = 12,
- .ai_pg = das08_bipolar5,
- .ai_encoding = das08_encode12,
- .di_nchan = 3,
- .do_nchan = 4,
- .i8254_offset = 4,
- .iosize = 8,
- },
-#endif /* DO_PCI */
-};
-#endif /* DO_COMEDI_DRIVER_REGISTER */
-
int das08_common_attach(struct comedi_device *dev, unsigned long iobase)
{
const struct das08_board_struct *thisboard = comedi_board(dev);
@@ -760,84 +566,6 @@ int das08_common_attach(struct comedi_device *dev, unsigned long iobase)
}
EXPORT_SYMBOL_GPL(das08_common_attach);
-static const struct das08_board_struct *
-das08_find_pci_board(struct pci_dev *pdev)
-{
-#if DO_COMEDI_DRIVER_REGISTER
- unsigned int i;
- for (i = 0; i < ARRAY_SIZE(das08_boards); i++)
- if (is_pci_board(&das08_boards[i]) &&
- pdev->device == das08_boards[i].id)
- return &das08_boards[i];
-#endif
- return NULL;
-}
-
-/* only called in the PCI probe path, via comedi_pci_auto_config() */
-static int __maybe_unused
-das08_auto_attach(struct comedi_device *dev, unsigned long context_unused)
-{
- struct pci_dev *pdev;
- struct das08_private_struct *devpriv;
- unsigned long iobase;
-
- if (!DO_PCI)
- return -EINVAL;
-
- pdev = comedi_to_pci_dev(dev);
- devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL);
- if (!devpriv)
- return -ENOMEM;
- dev->private = devpriv;
-
- dev_info(dev->class_dev, "attach pci %s\n", pci_name(pdev));
- dev->board_ptr = das08_find_pci_board(pdev);
- if (dev->board_ptr == NULL) {
- dev_err(dev->class_dev, "BUG! cannot determine board type!\n");
- return -EINVAL;
- }
-
- /* enable PCI device and reserve I/O spaces */
- if (comedi_pci_enable(pdev, dev->driver->driver_name)) {
- dev_err(dev->class_dev,
- "Error enabling PCI device and requesting regions\n");
- return -EIO;
- }
- /* read base addresses */
- iobase = pci_resource_start(pdev, 2);
- return das08_common_attach(dev, iobase);
-}
-
-static int __maybe_unused
-das08_attach(struct comedi_device *dev, struct comedi_devconfig *it)
-{
- const struct das08_board_struct *thisboard = comedi_board(dev);
- struct das08_private_struct *devpriv;
- unsigned long iobase;
-
- devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL);
- if (!devpriv)
- return -ENOMEM;
- dev->private = devpriv;
-
- dev_info(dev->class_dev, "attach\n");
- if (is_pci_board(thisboard)) {
- dev_err(dev->class_dev,
- "Manual configuration of PCI board '%s' is not supported\n",
- thisboard->name);
- return -EIO;
- } else if (is_isa_board(thisboard)) {
- iobase = it->options[0];
- dev_info(dev->class_dev, "iobase 0x%lx\n", iobase);
- if (!request_region(iobase, thisboard->iosize, DRV_NAME)) {
- dev_err(dev->class_dev, "I/O port conflict\n");
- return -EIO;
- }
- return das08_common_attach(dev, iobase);
- } else
- return -EIO;
-}
-
void das08_common_detach(struct comedi_device *dev)
{
if (dev->subdevices)
@@ -845,84 +573,16 @@ void das08_common_detach(struct comedi_device *dev)
}
EXPORT_SYMBOL_GPL(das08_common_detach);
-static void __maybe_unused das08_detach(struct comedi_device *dev)
-{
- const struct das08_board_struct *thisboard = comedi_board(dev);
-
- if (!thisboard)
- return;
- das08_common_detach(dev);
- if (is_isa_board(thisboard)) {
- if (dev->iobase)
- release_region(dev->iobase, thisboard->iosize);
- } else if (is_pci_board(thisboard)) {
- struct pci_dev *pdev = comedi_to_pci_dev(dev);
- if (pdev) {
- if (dev->iobase)
- comedi_pci_disable(pdev);
- }
- }
-}
-
-#if DO_COMEDI_DRIVER_REGISTER
-static struct comedi_driver das08_driver = {
- .driver_name = DRV_NAME,
- .module = THIS_MODULE,
- .attach = das08_attach,
- .auto_attach = das08_auto_attach,
- .detach = das08_detach,
- .board_name = &das08_boards[0].name,
- .num_names = sizeof(das08_boards) / sizeof(struct das08_board_struct),
- .offset = sizeof(struct das08_board_struct),
-};
-#endif
-
-#if DO_PCI
-static DEFINE_PCI_DEVICE_TABLE(das08_pci_table) = {
- { PCI_DEVICE(PCI_VENDOR_ID_CB, PCI_DEVICE_ID_PCIDAS08) },
- {0}
-};
-
-MODULE_DEVICE_TABLE(pci, das08_pci_table);
-
-static int das08_pci_probe(struct pci_dev *dev,
- const struct pci_device_id *ent)
-{
- return comedi_pci_auto_config(dev, &das08_driver);
-}
-
-static void das08_pci_remove(struct pci_dev *dev)
-{
- comedi_pci_auto_unconfig(dev);
-}
-
-static struct pci_driver das08_pci_driver = {
- .id_table = das08_pci_table,
- .name = DRV_NAME,
- .probe = &das08_pci_probe,
- .remove = &das08_pci_remove
-};
-#endif /* DO_PCI */
-
-#if DO_COMEDI_DRIVER_REGISTER
-#if DO_PCI
-module_comedi_pci_driver(das08_driver, das08_pci_driver);
-#else
-module_comedi_driver(das08_driver);
-#endif
-#else /* DO_COMEDI_DRIVER_REGISTER */
static int __init das08_init(void)
{
return 0;
}
+module_init(das08_init);
static void __exit das08_exit(void)
{
}
-
-module_init(das08_init);
module_exit(das08_exit);
-#endif /* DO_COMEDI_DRIVER_REGISTER */
MODULE_AUTHOR("Comedi http://www.comedi.org");
MODULE_DESCRIPTION("Comedi low-level driver");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.