*/
-#undef LABPC_DEBUG
- /* #define LABPC_DEBUG *//* enable debugging messages */
+#undef LABPC_DEBUG /* debugging messages */
#include "../comedidev.h"
#include <pcmcia/cisreg.h>
#include <pcmcia/ds.h>
-static struct pcmcia_device *pcmcia_cur_dev = NULL;
+static struct pcmcia_device *pcmcia_cur_dev;
static int labpc_attach(struct comedi_device *dev, struct comedi_devconfig *it);
static const struct labpc_board_struct labpc_cs_boards[] = {
{
.name = "daqcard-1200",
- .device_id = 0x103, /* 0x10b is manufacturer id, 0x103 is device id */
+ .device_id = 0x103, /* 0x10b is manufacturer id,
+ 0x103 is device id */
.ai_speed = 10000,
.bustype = pcmcia_bustype,
.register_layout = labpc_1200_layout,
return labpc_common_attach(dev, iobase, irq, 0);
}
-/*
- All the PCMCIA modules use PCMCIA_DEBUG to control debugging. If
- you do not define PCMCIA_DEBUG at all, all the debug code will be
- left out. If you compile with PCMCIA_DEBUG=0, the debug code will
- be present but disabled -- but it can then be enabled for specific
- modules at load time with a 'pc_debug=#' option to insmod.
-*/
-#ifdef PCMCIA_DEBUG
-static int pc_debug = PCMCIA_DEBUG;
-module_param(pc_debug, int, 0644);
-#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
-static const char *version =
- "ni_labpc.c, based on dummy_cs.c 1.31 2001/08/24 12:13:13";
-#else
-#define DEBUG(n, args...)
-#endif
-
/*====================================================================*/
/*
{
struct local_info_t *local;
- DEBUG(0, "labpc_cs_attach()\n");
+ dev_dbg(&link->dev, "labpc_cs_attach()\n");
/* Allocate space for private device-specific data */
local = kzalloc(sizeof(struct local_info_t), GFP_KERNEL);
/* Interrupt setup */
link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING | IRQ_FORCED_PULSE;
- link->irq.IRQInfo1 = IRQ_INFO2_VALID | IRQ_PULSE_ID;
link->irq.Handler = NULL;
/*
static void labpc_cs_detach(struct pcmcia_device *link)
{
- DEBUG(0, "labpc_cs_detach(0x%p)\n", link);
+ dev_dbg(&link->dev, "labpc_cs_detach\n");
/*
If the device is currently configured and active, we won't
labpc_release(link);
}
- /* This points to the parent local_info_t struct */
- if (link->priv)
- kfree(link->priv);
+ /* This points to the parent local_info_t struct (may be null) */
+ kfree(link->priv);
} /* labpc_cs_detach */
======================================================================*/
-static void labpc_config(struct pcmcia_device *link)
+static int labpc_pcmcia_config_loop(struct pcmcia_device *p_dev,
+ cistpl_cftable_entry_t *cfg,
+ cistpl_cftable_entry_t *dflt,
+ unsigned int vcc,
+ void *priv_data)
{
- struct local_info_t *dev = link->priv;
- tuple_t tuple;
- cisparse_t parse;
- int last_ret;
- u_char buf[64];
- win_req_t req;
+ win_req_t *req = priv_data;
memreq_t map;
- cistpl_cftable_entry_t dflt = { 0 };
- DEBUG(0, "labpc_config(0x%p)\n", link);
+ if (cfg->index == 0)
+ return -ENODEV;
- /*
- This reads the card's CONFIG tuple to find its configuration
- registers.
- */
- tuple.DesiredTuple = CISTPL_CONFIG;
- tuple.Attributes = 0;
- tuple.TupleData = buf;
- tuple.TupleDataMax = sizeof(buf);
- tuple.TupleOffset = 0;
-
- last_ret = pcmcia_get_first_tuple(link, &tuple);
- if (last_ret) {
- cs_error(link, GetFirstTuple, last_ret);
- goto cs_failed;
+ /* 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;
}
- last_ret = pcmcia_get_tuple_data(link, &tuple);
- if (last_ret) {
- cs_error(link, GetTupleData, last_ret);
- goto cs_failed;
+ /* Do we need to allocate an interrupt? */
+ if (cfg->irq.IRQInfo1 || dflt->irq.IRQInfo1)
+ 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;
}
- last_ret = pcmcia_parse_tuple(&tuple, &parse);
- if (last_ret) {
- cs_error(link, ParseTuple, last_ret);
- goto cs_failed;
+ 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;
}
- link->conf.ConfigBase = parse.config.base;
- link->conf.Present = parse.config.rmask[0];
+ /* If we got this far, we're cool! */
+ return 0;
+}
- /*
- In this loop, we scan the CIS for configuration table entries,
- each of which describes a valid card configuration, including
- voltage, IO window, memory window, and interrupt settings.
-
- We make no assumptions about the card to be configured: we use
- just the information available in the CIS. In an ideal world,
- this would work for any PCMCIA card, but it requires a complete
- and accurate CIS. In practice, a driver usually "knows" most of
- these things without consulting the CIS, and most client drivers
- will only use the CIS to fill in implementation-defined details.
- */
- tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
- last_ret = pcmcia_get_first_tuple(link, &tuple);
- if (last_ret) {
- cs_error(link, GetFirstTuple, last_ret);
- goto cs_failed;
- }
- while (1) {
- cistpl_cftable_entry_t *cfg = &(parse.cftable_entry);
- if (pcmcia_get_tuple_data(link, &tuple))
- goto next_entry;
- if (pcmcia_parse_tuple(&tuple, &parse))
- goto next_entry;
-
- if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
- dflt = *cfg;
- if (cfg->index == 0)
- goto next_entry;
- link->conf.ConfigIndex = cfg->index;
-
- /* Does this card need audio output? */
- if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
- link->conf.Attributes |= CONF_ENABLE_SPKR;
- link->conf.Status = CCSR_AUDIO_ENA;
- }
- /* Do we need to allocate an interrupt? */
- if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1)
- link->conf.Attributes |= CONF_ENABLE_IRQ;
-
- /* IO window settings */
- link->io.NumPorts1 = link->io.NumPorts2 = 0;
- if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
- cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
- link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
- link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
- link->io.BasePort1 = io->win[0].base;
- link->io.NumPorts1 = io->win[0].len;
- if (io->nwin > 1) {
- link->io.Attributes2 = link->io.Attributes1;
- link->io.BasePort2 = io->win[1].base;
- link->io.NumPorts2 = io->win[1].len;
- }
- /* This reserves IO space but doesn't actually enable it */
- if (pcmcia_request_io(link, &link->io))
- goto next_entry;
- }
+static void labpc_config(struct pcmcia_device *link)
+{
+ struct local_info_t *dev = link->priv;
+ int ret;
+ win_req_t req;
- 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;
- link->win = (window_handle_t) link;
- if (pcmcia_request_window(&link, &req, &link->win))
- goto next_entry;
- map.Page = 0;
- map.CardOffset = mem->win[0].card_addr;
- if (pcmcia_map_mem_page(link->win, &map))
- goto next_entry;
- }
- /* If we got this far, we're cool! */
- break;
+ dev_dbg(&link->dev, "labpc_config\n");
-next_entry:
- last_ret = pcmcia_get_next_tuple(link, &tuple);
- if (last_ret) {
- cs_error(link, GetNextTuple, last_ret);
- goto cs_failed;
- }
+ ret = pcmcia_loop_config(link, labpc_pcmcia_config_loop, &req);
+ if (ret) {
+ dev_warn(&link->dev, "no configuration found\n");
+ goto failed;
}
/*
irq structure is initialized.
*/
if (link->conf.Attributes & CONF_ENABLE_IRQ) {
- last_ret = pcmcia_request_irq(link, &link->irq);
- if (last_ret) {
- cs_error(link, RequestIRQ, last_ret);
- goto cs_failed;
- }
+ ret = pcmcia_request_irq(link, &link->irq);
+ if (ret)
+ goto failed;
}
/*
the I/O windows and the interrupt mapping, and putting the
card and host interface into "Memory and IO" mode.
*/
- last_ret = pcmcia_request_configuration(link, &link->conf);
- if (last_ret) {
- cs_error(link, RequestConfiguration, last_ret);
- goto cs_failed;
- }
+ ret = pcmcia_request_configuration(link, &link->conf);
+ if (ret)
+ goto failed;
/*
At this point, the dev_node_t structure(s) need to be
return;
-cs_failed:
+failed:
labpc_release(link);
} /* labpc_config */
static void labpc_release(struct pcmcia_device *link)
{
- DEBUG(0, "labpc_release(0x%p)\n", link);
+ dev_dbg(&link->dev, "labpc_release\n");
pcmcia_disable_device(link);
} /* labpc_release */
static int __init init_labpc_cs(void)
{
- DEBUG(0, "%s\n", version);
pcmcia_register_driver(&labpc_cs_driver);
return 0;
}
static void __exit exit_labpc_cs(void)
{
- DEBUG(0, "ni_labpc: unloading\n");
pcmcia_unregister_driver(&labpc_cs_driver);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff