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path: root/drivers/staging/comedi/drivers/ni_daq_700.c
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Diffstat (limited to 'drivers/staging/comedi/drivers/ni_daq_700.c')
-rw-r--r--drivers/staging/comedi/drivers/ni_daq_700.c174
1 files changed, 11 insertions, 163 deletions
diff --git a/drivers/staging/comedi/drivers/ni_daq_700.c b/drivers/staging/comedi/drivers/ni_daq_700.c
index 6ec77bf88c63..6b7372eed90d 100644
--- a/drivers/staging/comedi/drivers/ni_daq_700.c
+++ b/drivers/staging/comedi/drivers/ni_daq_700.c
@@ -47,8 +47,6 @@ IRQ is assigned but not used.
#include <linux/ioport.h>
-#include <pcmcia/cs_types.h>
-#include <pcmcia/cs.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/cisreg.h>
#include <pcmcia/ds.h>
@@ -377,7 +375,7 @@ static int dio700_attach(struct comedi_device *dev, struct comedi_devconfig *it)
link = pcmcia_cur_dev; /* XXX hack */
if (!link)
return -EIO;
- iobase = link->io.BasePort1;
+ iobase = link->resource[0]->start;
#ifdef incomplete
irq = link->irq;
#endif
@@ -436,55 +434,20 @@ static int dio700_detach(struct comedi_device *dev)
return 0;
};
-/* PCMCIA crap -- watch your words, please! */
-
static void dio700_config(struct pcmcia_device *link);
static void dio700_release(struct pcmcia_device *link);
static int dio700_cs_suspend(struct pcmcia_device *p_dev);
static int dio700_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 dio700_cs_attach(struct pcmcia_device *);
static void dio700_cs_detach(struct pcmcia_device *);
-/*
- You'll also need to prototype all the functions that will actually
- be used to talk to your device. See 'memory_cs' for a good example
- of a fully self-sufficient driver; the other drivers rely more or
- less on other parts of the kernel.
-*/
-
-/*
- 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 = "ni_daq_700";
-
struct local_info_t {
struct pcmcia_device *link;
int stop;
struct bus_operations *bus;
};
-/*======================================================================
-
- dio700_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 dio700_cs_attach(struct pcmcia_device *link)
{
struct local_info_t *local;
@@ -500,16 +463,6 @@ static int dio700_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;
-
pcmcia_cur_dev = link;
dio700_config(link);
@@ -517,15 +470,6 @@ static int dio700_cs_attach(struct pcmcia_device *link)
return 0;
} /* dio700_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 dio700_cs_detach(struct pcmcia_device *link)
{
@@ -537,93 +481,31 @@ static void dio700_cs_detach(struct pcmcia_device *link)
dio700_release(link);
/* This points to the parent struct local_info_t struct */
- if (link->priv)
- kfree(link->priv);
+ kfree(link->priv);
} /* dio700_cs_detach */
-/*======================================================================
-
- dio700_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 dio700_pcmcia_config_loop(struct pcmcia_device *p_dev,
- cistpl_cftable_entry_t *cfg,
- cistpl_cftable_entry_t *dflt,
- unsigned int vcc,
void *priv_data)
{
- win_req_t *req = priv_data;
- memreq_t map;
-
- if (cfg->index == 0)
- return -ENODEV;
-
- /* Does this card need audio output? */
- if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
- p_dev->conf.Attributes |= CONF_ENABLE_SPKR;
- p_dev->conf.Status = CCSR_AUDIO_ENA;
- }
-
- /* 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;
- }
- /* This reserves IO space but doesn't actually enable it */
- if (pcmcia_request_io(p_dev, &p_dev->io) != 0)
- return -ENODEV;
- }
+ if (p_dev->config_index == 0)
+ return -EINVAL;
- if ((cfg->mem.nwin > 0) || (dflt->mem.nwin > 0)) {
- cistpl_mem_t *mem =
- (cfg->mem.nwin) ? &cfg->mem : &dflt->mem;
- req->Attributes = WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_CM;
- req->Attributes |= WIN_ENABLE;
- req->Base = mem->win[0].host_addr;
- req->Size = mem->win[0].len;
- if (req->Size < 0x1000)
- req->Size = 0x1000;
- req->AccessSpeed = 0;
- if (pcmcia_request_window(p_dev, req, &p_dev->win))
- return -ENODEV;
- map.Page = 0;
- map.CardOffset = mem->win[0].card_addr;
- if (pcmcia_map_mem_page(p_dev, p_dev->win, &map))
- return -ENODEV;
- }
- /* If we got this far, we're cool! */
- return 0;
+ return pcmcia_request_io(p_dev);
}
static void dio700_config(struct pcmcia_device *link)
{
- win_req_t req;
int ret;
printk(KERN_INFO "ni_daq_700: cs-config\n");
dev_dbg(&link->dev, "dio700_config\n");
- ret = pcmcia_loop_config(link, dio700_pcmcia_config_loop, &req);
+ link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_AUDIO |
+ CONF_AUTO_SET_IO;
+
+ ret = pcmcia_loop_config(link, dio700_pcmcia_config_loop, NULL);
if (ret) {
dev_warn(&link->dev, "no configuration found\n");
goto failed;
@@ -632,30 +514,10 @@ static void dio700_config(struct pcmcia_device *link)
if (!link->irq)
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 != 0)
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 %d", 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);
- if (link->win)
- printk(", mem 0x%06lx-0x%06lx", req.Base,
- req.Base + req.Size - 1);
- printk("\n");
-
return;
failed:
@@ -671,18 +533,6 @@ static void dio700_release(struct pcmcia_device *link)
pcmcia_disable_device(link);
} /* dio700_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 dio700_cs_suspend(struct pcmcia_device *link)
{
struct local_info_t *local = link->priv;
@@ -722,9 +572,7 @@ struct pcmcia_driver dio700_cs_driver = {
.resume = dio700_cs_resume,
.id_table = dio700_cs_ids,
.owner = THIS_MODULE,
- .drv = {
- .name = dev_info,
- },
+ .name = "ni_daq_700",
};
static int __init init_dio700_cs(void)
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-06-03 15:06:30 +0200