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path: root/drivers/staging/comedi/drivers/quatech_daqp_cs.c
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Diffstat (limited to 'drivers/staging/comedi/drivers/quatech_daqp_cs.c')
-rw-r--r--drivers/staging/comedi/drivers/quatech_daqp_cs.c197
1 files changed, 36 insertions, 161 deletions
diff --git a/drivers/staging/comedi/drivers/quatech_daqp_cs.c b/drivers/staging/comedi/drivers/quatech_daqp_cs.c
index a91db6c42028..ebba9bb47777 100644
--- a/drivers/staging/comedi/drivers/quatech_daqp_cs.c
+++ b/drivers/staging/comedi/drivers/quatech_daqp_cs.c
@@ -14,7 +14,7 @@
Documentation for the DAQP PCMCIA cards can be found on Quatech's site:
- ftp://ftp.quatech.com/Manuals/daqp-208.pdf
+ ftp://ftp.quatech.com/Manuals/daqp-208.pdf
This manual is for both the DAQP-208 and the DAQP-308.
@@ -50,8 +50,6 @@ Devices: [Quatech] DAQP-208 (daqp), DAQP-308
#include "../comedidev.h"
#include <linux/semaphore.h>
-#include <pcmcia/cs_types.h>
-#include <pcmcia/cs.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/cisreg.h>
#include <pcmcia/ds.h>
@@ -195,7 +193,7 @@ static struct comedi_driver driver_daqp = {
static void daqp_dump(struct comedi_device *dev)
{
- printk("DAQP: status %02x; aux status %02x\n",
+ printk(KERN_INFO "DAQP: status %02x; aux status %02x\n",
inb(dev->iobase + DAQP_STATUS), inb(dev->iobase + DAQP_AUX));
}
@@ -207,9 +205,9 @@ static void hex_dump(char *str, void *ptr, int len)
printk(str);
for (i = 0; i < len; i++) {
- if (i % 16 == 0) {
- printk("\n0x%08x:", (unsigned int)cptr);
- }
+ if (i % 16 == 0)
+ printk("\n%p:", cptr);
+
printk(" %02x", *(cptr++));
}
printk("\n");
@@ -223,9 +221,9 @@ static int daqp_ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
{
struct local_info_t *local = (struct local_info_t *)s->private;
- if (local->stop) {
+ if (local->stop)
return -EIO;
- }
+
outb(DAQP_COMMAND_STOP, dev->iobase + DAQP_COMMAND);
@@ -355,9 +353,9 @@ static int daqp_ai_insn_read(struct comedi_device *dev,
int v;
int counter = 10000;
- if (local->stop) {
+ if (local->stop)
return -EIO;
- }
+
/* Stop any running conversion */
daqp_ai_cancel(dev, s);
@@ -372,9 +370,9 @@ static int daqp_ai_insn_read(struct comedi_device *dev,
v = DAQP_SCANLIST_CHANNEL(CR_CHAN(insn->chanspec))
| DAQP_SCANLIST_GAIN(CR_RANGE(insn->chanspec));
- if (CR_AREF(insn->chanspec) == AREF_DIFF) {
+ if (CR_AREF(insn->chanspec) == AREF_DIFF)
v |= DAQP_SCANLIST_DIFFERENTIAL;
- }
+
v |= DAQP_SCANLIST_START;
@@ -488,7 +486,10 @@ static int daqp_ai_cmdtest(struct comedi_device *dev,
if (err)
return 1;
- /* step 2: make sure trigger sources are unique and mutually compatible */
+ /*
+ * step 2: make sure trigger sources
+ * are unique and mutually compatible
+ */
/* note that mutual compatibility is not an issue here */
if (cmd->scan_begin_src != TRIG_TIMER &&
@@ -588,9 +589,9 @@ static int daqp_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
int i;
int v;
- if (local->stop) {
+ if (local->stop)
return -EIO;
- }
+
/* Stop any running conversion */
daqp_ai_cancel(dev, s);
@@ -640,13 +641,11 @@ static int daqp_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
v = DAQP_SCANLIST_CHANNEL(CR_CHAN(chanspec))
| DAQP_SCANLIST_GAIN(CR_RANGE(chanspec));
- if (CR_AREF(chanspec) == AREF_DIFF) {
+ if (CR_AREF(chanspec) == AREF_DIFF)
v |= DAQP_SCANLIST_DIFFERENTIAL;
- }
- if (i == 0 || scanlist_start_on_every_entry) {
+ if (i == 0 || scanlist_start_on_every_entry)
v |= DAQP_SCANLIST_START;
- }
outb(v & 0xff, dev->iobase + DAQP_SCANLIST);
outb(v >> 8, dev->iobase + DAQP_SCANLIST);
@@ -760,7 +759,8 @@ static int daqp_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
while (--counter
&& (inb(dev->iobase + DAQP_STATUS) & DAQP_STATUS_EVENTS)) ;
if (!counter) {
- printk("daqp: couldn't clear interrupts in status register\n");
+ printk(KERN_ERR
+ "daqp: couldn't clear interrupts in status register\n");
return -1;
}
@@ -785,9 +785,8 @@ static int daqp_ao_insn_write(struct comedi_device *dev,
int d;
unsigned int chan;
- if (local->stop) {
+ if (local->stop)
return -EIO;
- }
chan = CR_CHAN(insn->chanspec);
d = data[0];
@@ -811,9 +810,8 @@ static int daqp_di_insn_read(struct comedi_device *dev,
{
struct local_info_t *local = (struct local_info_t *)s->private;
- if (local->stop) {
+ if (local->stop)
return -EIO;
- }
data[0] = inb(dev->iobase + DAQP_DIGITAL_IO);
@@ -828,9 +826,8 @@ static int daqp_do_insn_write(struct comedi_device *dev,
{
struct local_info_t *local = (struct local_info_t *)s->private;
- if (local->stop) {
+ if (local->stop)
return -EIO;
- }
outw(data[0] & 0xf, dev->iobase + DAQP_DIGITAL_IO);
@@ -872,13 +869,13 @@ static int daqp_attach(struct comedi_device *dev, struct comedi_devconfig *it)
}
}
- dev->iobase = local->link->io.BasePort1;
+ dev->iobase = local->link->resource[0]->start;
ret = alloc_subdevices(dev, 4);
if (ret < 0)
return ret;
- printk("comedi%d: attaching daqp%d (io 0x%04lx)\n",
+ printk(KERN_INFO "comedi%d: attaching daqp%d (io 0x%04lx)\n",
dev->minor, it->options[0], dev->iobase);
s = dev->subdevices + 0;
@@ -931,7 +928,7 @@ static int daqp_attach(struct comedi_device *dev, struct comedi_devconfig *it)
static int daqp_detach(struct comedi_device *dev)
{
- printk("comedi%d: detaching daqp\n", dev->minor);
+ printk(KERN_INFO "comedi%d: detaching daqp\n", dev->minor);
return 0;
}
@@ -971,51 +968,14 @@ static int daqp_detach(struct comedi_device *dev)
======================================================================*/
-/*
- The event() function is this driver's Card Services event handler.
- It will be called by Card Services when an appropriate card status
- event is received. The config() and release() entry points are
- used to configure or release a socket, in response to card
- insertion and ejection events.
-
- Kernel version 2.6.16 upwards uses suspend() and resume() functions
- instead of an event() function.
-*/
-
static void daqp_cs_config(struct pcmcia_device *link);
static void daqp_cs_release(struct pcmcia_device *link);
static int daqp_cs_suspend(struct pcmcia_device *p_dev);
static int daqp_cs_resume(struct pcmcia_device *p_dev);
-/*
- The attach() and detach() entry points are used to create and destroy
- "instances" of the driver, where each instance represents everything
- needed to manage one actual PCMCIA card.
-*/
-
static int daqp_cs_attach(struct pcmcia_device *);
static void daqp_cs_detach(struct pcmcia_device *);
-/*
- The dev_info variable is the "key" that is used to match up this
- device driver with appropriate cards, through the card configuration
- database.
-*/
-
-static const dev_info_t dev_info = "quatech_daqp_cs";
-
-/*======================================================================
-
- daqp_cs_attach() creates an "instance" of the driver, allocating
- local data structures for one device. The device is registered
- with Card Services.
-
- The dev_link structure is initialized, but we don't actually
- configure the card at this point -- we wait until we receive a
- card insertion event.
-
-======================================================================*/
-
static int daqp_cs_attach(struct pcmcia_device *link)
{
struct local_info_t *local;
@@ -1041,30 +1001,11 @@ static int daqp_cs_attach(struct pcmcia_device *link)
local->link = link;
link->priv = local;
- /*
- General socket configuration defaults can go here. In this
- client, we assume very little, and rely on the CIS for almost
- everything. In most clients, many details (i.e., number, sizes,
- and attributes of IO windows) are fixed by the nature of the
- device, and can be hard-wired here.
- */
- link->conf.Attributes = 0;
- link->conf.IntType = INT_MEMORY_AND_IO;
-
daqp_cs_config(link);
return 0;
} /* daqp_cs_attach */
-/*======================================================================
-
- This deletes a driver "instance". The device is de-registered
- with Card Services. If it has been released, all local data
- structures are freed. Otherwise, the structures will be freed
- when the device is released.
-
-======================================================================*/
-
static void daqp_cs_detach(struct pcmcia_device *link)
{
struct local_info_t *dev = link->priv;
@@ -1076,53 +1017,16 @@ static void daqp_cs_detach(struct pcmcia_device *link)
/* Unlink device structure, and free it */
dev_table[dev->table_index] = NULL;
- if (dev)
- kfree(dev);
+ kfree(dev);
} /* daqp_cs_detach */
-/*======================================================================
-
- daqp_cs_config() is scheduled to run after a CARD_INSERTION event
- is received, to configure the PCMCIA socket, and to make the
- device available to the system.
-
-======================================================================*/
-
-
-static int daqp_pcmcia_config_loop(struct pcmcia_device *p_dev,
- cistpl_cftable_entry_t *cfg,
- cistpl_cftable_entry_t *dflt,
- unsigned int vcc,
- void *priv_data)
+static int daqp_pcmcia_config_loop(struct pcmcia_device *p_dev, void *priv_data)
{
- if (cfg->index == 0)
- return -ENODEV;
-
- /* Do we need to allocate an interrupt? */
- p_dev->conf.Attributes |= CONF_ENABLE_IRQ;
-
- /* IO window settings */
- p_dev->io.NumPorts1 = p_dev->io.NumPorts2 = 0;
- if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
- cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
- p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
- if (!(io->flags & CISTPL_IO_8BIT))
- p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
- if (!(io->flags & CISTPL_IO_16BIT))
- p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
- p_dev->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
- p_dev->io.BasePort1 = io->win[0].base;
- p_dev->io.NumPorts1 = io->win[0].len;
- if (io->nwin > 1) {
- p_dev->io.Attributes2 = p_dev->io.Attributes1;
- p_dev->io.BasePort2 = io->win[1].base;
- p_dev->io.NumPorts2 = io->win[1].len;
- }
- }
+ if (p_dev->config_index == 0)
+ return -EINVAL;
- /* This reserves IO space but doesn't actually enable it */
- return pcmcia_request_io(p_dev, &p_dev->io);
+ return pcmcia_request_io(p_dev);
}
static void daqp_cs_config(struct pcmcia_device *link)
@@ -1131,6 +1035,8 @@ static void daqp_cs_config(struct pcmcia_device *link)
dev_dbg(&link->dev, "daqp_cs_config\n");
+ link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO;
+
ret = pcmcia_loop_config(link, daqp_pcmcia_config_loop, NULL);
if (ret) {
dev_warn(&link->dev, "no configuration found\n");
@@ -1141,27 +1047,10 @@ static void daqp_cs_config(struct pcmcia_device *link)
if (ret)
goto failed;
- /*
- This actually configures the PCMCIA socket -- setting up
- the I/O windows and the interrupt mapping, and putting the
- card and host interface into "Memory and IO" mode.
- */
- ret = pcmcia_request_configuration(link, &link->conf);
+ ret = pcmcia_enable_device(link);
if (ret)
goto failed;
- /* Finally, report what we've done */
- dev_info(&link->dev, "index 0x%02x", link->conf.ConfigIndex);
- if (link->conf.Attributes & CONF_ENABLE_IRQ)
- printk(", irq %u", link->irq);
- if (link->io.NumPorts1)
- printk(", io 0x%04x-0x%04x", link->io.BasePort1,
- link->io.BasePort1 + link->io.NumPorts1 - 1);
- if (link->io.NumPorts2)
- printk(" & 0x%04x-0x%04x", link->io.BasePort2,
- link->io.BasePort2 + link->io.NumPorts2 - 1);
- printk("\n");
-
return;
failed:
@@ -1176,18 +1065,6 @@ static void daqp_cs_release(struct pcmcia_device *link)
pcmcia_disable_device(link);
} /* daqp_cs_release */
-/*======================================================================
-
- The card status event handler. Mostly, this schedules other
- stuff to run after an event is received.
-
- When a CARD_REMOVAL event is received, we immediately set a
- private flag to block future accesses to this device. All the
- functions that actually access the device should check this flag
- to make sure the card is still present.
-
-======================================================================*/
-
static int daqp_cs_suspend(struct pcmcia_device *link)
{
struct local_info_t *local = link->priv;
@@ -1227,9 +1104,7 @@ static struct pcmcia_driver daqp_cs_driver = {
.resume = daqp_cs_resume,
.id_table = daqp_cs_id_table,
.owner = THIS_MODULE,
- .drv = {
- .name = dev_info,
- },
+ .name = "quatech_daqp_cs",
};
int __init init_module(void)
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-06-03 14:43:56 +0200