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path: root/drivers/net/wireless/orinoco/spectrum_cs.c
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Diffstat (limited to 'drivers/net/wireless/orinoco/spectrum_cs.c')
-rw-r--r--drivers/net/wireless/orinoco/spectrum_cs.c363
1 files changed, 77 insertions, 286 deletions
diff --git a/drivers/net/wireless/orinoco/spectrum_cs.c b/drivers/net/wireless/orinoco/spectrum_cs.c
index 38e5198e44c..b60048c95e0 100644
--- a/drivers/net/wireless/orinoco/spectrum_cs.c
+++ b/drivers/net/wireless/orinoco/spectrum_cs.c
@@ -11,9 +11,9 @@
*
* Copyright (C) 2002-2005 Pavel Roskin <proski@gnu.org>
* Portions based on orinoco_cs.c:
- * Copyright (C) David Gibson, Linuxcare Australia
+ * Copyright (C) David Gibson, Linuxcare Australia
* Portions based on Spectrum24tDnld.c from original spectrum24 driver:
- * Copyright (C) Symbol Technologies.
+ * Copyright (C) Symbol Technologies.
*
* See copyright notice in file main.c.
*/
@@ -23,10 +23,7 @@
#include <linux/module.h>
#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/delay.h>
-#include <pcmcia/cs_types.h>
-#include <pcmcia/cs.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/cisreg.h>
#include <pcmcia/ds.h>
@@ -57,7 +54,6 @@ MODULE_PARM_DESC(ignore_cis_vcc, "Allow voltage mismatch between card and socket
* struct orinoco_private */
struct orinoco_pccard {
struct pcmcia_device *p_dev;
- dev_node_t node;
};
/********************************************************************/
@@ -73,9 +69,6 @@ static void spectrum_cs_release(struct pcmcia_device *link);
#define HCR_MEM16 0x10 /* memory width bit, should be preserved */
-#define CS_CHECK(fn, ret) \
- do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
-
/*
* Reset the card using configuration registers COR and CCSR.
* If IDLE is 1, stop the firmware, so that it can be safely rewritten.
@@ -83,63 +76,55 @@ static void spectrum_cs_release(struct pcmcia_device *link);
static int
spectrum_reset(struct pcmcia_device *link, int idle)
{
- int last_ret, last_fn;
- conf_reg_t reg;
- u_int save_cor;
+ int ret;
+ u8 save_cor;
+ u8 ccsr;
/* Doing it if hardware is gone is guaranteed crash */
if (!pcmcia_dev_present(link))
return -ENODEV;
/* Save original COR value */
- reg.Function = 0;
- reg.Action = CS_READ;
- reg.Offset = CISREG_COR;
- CS_CHECK(AccessConfigurationRegister,
- pcmcia_access_configuration_register(link, &reg));
- save_cor = reg.Value;
+ ret = pcmcia_read_config_byte(link, CISREG_COR, &save_cor);
+ if (ret)
+ goto failed;
/* Soft-Reset card */
- reg.Action = CS_WRITE;
- reg.Offset = CISREG_COR;
- reg.Value = (save_cor | COR_SOFT_RESET);
- CS_CHECK(AccessConfigurationRegister,
- pcmcia_access_configuration_register(link, &reg));
+ ret = pcmcia_write_config_byte(link, CISREG_COR,
+ (save_cor | COR_SOFT_RESET));
+ if (ret)
+ goto failed;
udelay(1000);
/* Read CCSR */
- reg.Action = CS_READ;
- reg.Offset = CISREG_CCSR;
- CS_CHECK(AccessConfigurationRegister,
- pcmcia_access_configuration_register(link, &reg));
+ ret = pcmcia_read_config_byte(link, CISREG_CCSR, &ccsr);
+ if (ret)
+ goto failed;
/*
* Start or stop the firmware. Memory width bit should be
* preserved from the value we've just read.
*/
- reg.Action = CS_WRITE;
- reg.Offset = CISREG_CCSR;
- reg.Value = (idle ? HCR_IDLE : HCR_RUN) | (reg.Value & HCR_MEM16);
- CS_CHECK(AccessConfigurationRegister,
- pcmcia_access_configuration_register(link, &reg));
+ ccsr = (idle ? HCR_IDLE : HCR_RUN) | (ccsr & HCR_MEM16);
+ ret = pcmcia_write_config_byte(link, CISREG_CCSR, ccsr);
+ if (ret)
+ goto failed;
udelay(1000);
/* Restore original COR configuration index */
- reg.Action = CS_WRITE;
- reg.Offset = CISREG_COR;
- reg.Value = (save_cor & ~COR_SOFT_RESET);
- CS_CHECK(AccessConfigurationRegister,
- pcmcia_access_configuration_register(link, &reg));
+ ret = pcmcia_write_config_byte(link, CISREG_COR,
+ (save_cor & ~COR_SOFT_RESET));
+ if (ret)
+ goto failed;
udelay(1000);
return 0;
-cs_failed:
- cs_error(link, last_fn, last_ret);
+failed:
return -ENODEV;
}
/********************************************************************/
-/* Device methods */
+/* Device methods */
/********************************************************************/
static int
@@ -164,259 +149,124 @@ spectrum_cs_stop_firmware(struct orinoco_private *priv, int idle)
}
/********************************************************************/
-/* PCMCIA stuff */
+/* PCMCIA stuff */
/********************************************************************/
-/*
- * This 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
spectrum_cs_probe(struct pcmcia_device *link)
{
- struct net_device *dev;
struct orinoco_private *priv;
struct orinoco_pccard *card;
- dev = alloc_orinocodev(sizeof(*card), &handle_to_dev(link),
- spectrum_cs_hard_reset,
- spectrum_cs_stop_firmware);
- if (!dev)
+ priv = alloc_orinocodev(sizeof(*card), &link->dev,
+ spectrum_cs_hard_reset,
+ spectrum_cs_stop_firmware);
+ if (!priv)
return -ENOMEM;
- priv = netdev_priv(dev);
card = priv->card;
/* Link both structures together */
card->p_dev = link;
- link->priv = dev;
-
- /* Interrupt setup */
- link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING | IRQ_HANDLE_PRESENT;
- link->irq.IRQInfo1 = IRQ_LEVEL_ID;
- link->irq.Handler = orinoco_interrupt;
- link->irq.Instance = dev;
-
- /* 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;
+ link->priv = priv;
return spectrum_cs_config(link);
} /* spectrum_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 spectrum_cs_detach(struct pcmcia_device *link)
{
- struct net_device *dev = link->priv;
+ struct orinoco_private *priv = link->priv;
- if (link->dev_node)
- unregister_netdev(dev);
+ orinoco_if_del(priv);
spectrum_cs_release(link);
- free_orinocodev(dev);
+ free_orinocodev(priv);
} /* spectrum_cs_detach */
-/*
- * spectrum_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 spectrum_cs_config_check(struct pcmcia_device *p_dev,
- cistpl_cftable_entry_t *cfg,
- cistpl_cftable_entry_t *dflt,
- unsigned int vcc,
void *priv_data)
{
- if (cfg->index == 0)
- goto next_entry;
-
- /* Use power settings for Vcc and Vpp if present */
- /* Note that the CIS values need to be rescaled */
- if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
- if (vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000) {
- DEBUG(2, "%s: Vcc mismatch (vcc = %d, CIS = %d)\n",
- __func__, vcc,
- cfg->vcc.param[CISTPL_POWER_VNOM] / 10000);
- if (!ignore_cis_vcc)
- goto next_entry;
- }
- } else if (dflt->vcc.present & (1 << CISTPL_POWER_VNOM)) {
- if (vcc != dflt->vcc.param[CISTPL_POWER_VNOM] / 10000) {
- DEBUG(2, "%s: Vcc mismatch (vcc = %d, CIS = %d)\n",
- __func__, vcc,
- dflt->vcc.param[CISTPL_POWER_VNOM] / 10000);
- if (!ignore_cis_vcc)
- goto next_entry;
- }
- }
+ if (p_dev->config_index == 0)
+ return -EINVAL;
- if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
- p_dev->conf.Vpp =
- cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
- else if (dflt->vpp1.present & (1 << CISTPL_POWER_VNOM))
- p_dev->conf.Vpp =
- dflt->vpp1.param[CISTPL_POWER_VNOM] / 10000;
-
- /* 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)
- goto next_entry;
- }
- return 0;
-
-next_entry:
- pcmcia_disable_device(p_dev);
- return -ENODEV;
+ return pcmcia_request_io(p_dev);
};
static int
spectrum_cs_config(struct pcmcia_device *link)
{
- struct net_device *dev = link->priv;
- struct orinoco_private *priv = netdev_priv(dev);
- struct orinoco_pccard *card = priv->card;
- hermes_t *hw = &priv->hw;
- int last_fn, last_ret;
+ struct orinoco_private *priv = link->priv;
+ struct hermes *hw = &priv->hw;
+ int ret;
void __iomem *mem;
- /*
- * 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.
- */
- last_ret = pcmcia_loop_config(link, spectrum_cs_config_check, NULL);
- if (last_ret) {
+ link->config_flags |= CONF_AUTO_SET_VPP | CONF_AUTO_CHECK_VCC |
+ CONF_AUTO_SET_IO | CONF_ENABLE_IRQ;
+ if (ignore_cis_vcc)
+ link->config_flags &= ~CONF_AUTO_CHECK_VCC;
+ ret = pcmcia_loop_config(link, spectrum_cs_config_check, NULL);
+ if (ret) {
if (!ignore_cis_vcc)
printk(KERN_ERR PFX "GetNextTuple(): No matching "
"CIS configuration. Maybe you need the "
"ignore_cis_vcc=1 parameter.\n");
- cs_error(link, RequestIO, last_ret);
goto failed;
}
- /*
- * Allocate an interrupt line. Note that this does not assign
- * a handler to the interrupt, unless the 'Handler' member of
- * the irq structure is initialized.
- */
- CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
+ mem = ioport_map(link->resource[0]->start,
+ resource_size(link->resource[0]));
+ if (!mem)
+ goto failed;
/* We initialize the hermes structure before completing PCMCIA
* configuration just in case the interrupt handler gets
* called. */
- mem = ioport_map(link->io.BasePort1, link->io.NumPorts1);
- if (!mem)
- goto cs_failed;
-
hermes_struct_init(hw, mem, HERMES_16BIT_REGSPACING);
+ hw->eeprom_pda = true;
- /*
- * 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.
- */
- CS_CHECK(RequestConfiguration,
- pcmcia_request_configuration(link, &link->conf));
+ ret = pcmcia_request_irq(link, orinoco_interrupt);
+ if (ret)
+ goto failed;
- /* Ok, we have the configuration, prepare to register the netdev */
- dev->base_addr = link->io.BasePort1;
- dev->irq = link->irq.AssignedIRQ;
- card->node.major = card->node.minor = 0;
+ ret = pcmcia_enable_device(link);
+ if (ret)
+ goto failed;
/* Reset card */
if (spectrum_cs_hard_reset(priv) != 0)
goto failed;
- SET_NETDEV_DEV(dev, &handle_to_dev(link));
- /* Tell the stack we exist */
- if (register_netdev(dev) != 0) {
- printk(KERN_ERR PFX "register_netdev() failed\n");
+ /* Initialise the main driver */
+ if (orinoco_init(priv) != 0) {
+ printk(KERN_ERR PFX "orinoco_init() failed\n");
goto failed;
}
- /* At this point, the dev_node_t structure(s) needs to be
- * initialized and arranged in a linked list at link->dev_node. */
- strcpy(card->node.dev_name, dev->name);
- link->dev_node = &card->node; /* link->dev_node being non-NULL is also
- * used to indicate that the
- * net_device has been registered */
-
- /* Finally, report what we've done */
- printk(KERN_DEBUG "%s: " DRIVER_NAME " at %s, irq %d, io "
- "0x%04x-0x%04x\n", dev->name, dev_name(dev->dev.parent),
- link->irq.AssignedIRQ, link->io.BasePort1,
- link->io.BasePort1 + link->io.NumPorts1 - 1);
+ /* Register an interface with the stack */
+ if (orinoco_if_add(priv, link->resource[0]->start,
+ link->irq, NULL) != 0) {
+ printk(KERN_ERR PFX "orinoco_if_add() failed\n");
+ goto failed;
+ }
return 0;
- cs_failed:
- cs_error(link, last_fn, last_ret);
-
failed:
spectrum_cs_release(link);
return -ENODEV;
} /* spectrum_cs_config */
-/*
- * After a card is removed, spectrum_cs_release() will unregister the
- * device, and release the PCMCIA configuration. If the device is
- * still open, this will be postponed until it is closed.
- */
static void
spectrum_cs_release(struct pcmcia_device *link)
{
- struct net_device *dev = link->priv;
- struct orinoco_private *priv = netdev_priv(dev);
+ struct orinoco_private *priv = link->priv;
unsigned long flags;
/* We're committed to taking the device away now, so mark the
* hardware as unavailable */
- spin_lock_irqsave(&priv->lock, flags);
+ priv->hw.ops->lock_irqsave(&priv->lock, &flags);
priv->hw_unavailable++;
- spin_unlock_irqrestore(&priv->lock, flags);
+ priv->hw.ops->unlock_irqrestore(&priv->lock, &flags);
pcmcia_disable_device(link);
if (priv->hw.iobase)
@@ -427,23 +277,11 @@ spectrum_cs_release(struct pcmcia_device *link)
static int
spectrum_cs_suspend(struct pcmcia_device *link)
{
- struct net_device *dev = link->priv;
- struct orinoco_private *priv = netdev_priv(dev);
- unsigned long flags;
+ struct orinoco_private *priv = link->priv;
int err = 0;
/* Mark the device as stopped, to block IO until later */
- spin_lock_irqsave(&priv->lock, flags);
-
- err = __orinoco_down(dev);
- if (err)
- printk(KERN_WARNING "%s: Error %d downing interface\n",
- dev->name, err);
-
- netif_device_detach(dev);
- priv->hw_unavailable++;
-
- spin_unlock_irqrestore(&priv->lock, flags);
+ orinoco_down(priv);
return err;
}
@@ -451,33 +289,10 @@ spectrum_cs_suspend(struct pcmcia_device *link)
static int
spectrum_cs_resume(struct pcmcia_device *link)
{
- struct net_device *dev = link->priv;
- struct orinoco_private *priv = netdev_priv(dev);
- unsigned long flags;
- int err;
-
- err = orinoco_reinit_firmware(dev);
- if (err) {
- printk(KERN_ERR "%s: Error %d re-initializing firmware\n",
- dev->name, err);
- return -EIO;
- }
-
- spin_lock_irqsave(&priv->lock, flags);
+ struct orinoco_private *priv = link->priv;
+ int err = orinoco_up(priv);
- netif_device_attach(dev);
- priv->hw_unavailable--;
-
- if (priv->open && !priv->hw_unavailable) {
- err = __orinoco_up(dev);
- if (err)
- printk(KERN_ERR "%s: Error %d restarting card\n",
- dev->name, err);
- }
-
- spin_unlock_irqrestore(&priv->lock, flags);
-
- return 0;
+ return err;
}
@@ -485,13 +300,7 @@ spectrum_cs_resume(struct pcmcia_device *link)
/* Module initialization */
/********************************************************************/
-/* Can't be declared "const" or the whole __initdata section will
- * become const */
-static char version[] __initdata = DRIVER_NAME " " DRIVER_VERSION
- " (Pavel Roskin <proski@gnu.org>,"
- " David Gibson <hermes@gibson.dropbear.id.au>, et al)";
-
-static struct pcmcia_device_id spectrum_cs_ids[] = {
+static const struct pcmcia_device_id spectrum_cs_ids[] = {
PCMCIA_DEVICE_MANF_CARD(0x026c, 0x0001), /* Symbol Spectrum24 LA4137 */
PCMCIA_DEVICE_MANF_CARD(0x0104, 0x0001), /* Socket Communications CF */
PCMCIA_DEVICE_PROD_ID12("Intel", "PRO/Wireless LAN PC Card", 0x816cc815, 0x6fbf459a), /* 2011B, not 2011 */
@@ -501,29 +310,11 @@ MODULE_DEVICE_TABLE(pcmcia, spectrum_cs_ids);
static struct pcmcia_driver orinoco_driver = {
.owner = THIS_MODULE,
- .drv = {
- .name = DRIVER_NAME,
- },
+ .name = DRIVER_NAME,
.probe = spectrum_cs_probe,
.remove = spectrum_cs_detach,
.suspend = spectrum_cs_suspend,
.resume = spectrum_cs_resume,
.id_table = spectrum_cs_ids,
};
-
-static int __init
-init_spectrum_cs(void)
-{
- printk(KERN_DEBUG "%s\n", version);
-
- return pcmcia_register_driver(&orinoco_driver);
-}
-
-static void __exit
-exit_spectrum_cs(void)
-{
- pcmcia_unregister_driver(&orinoco_driver);
-}
-
-module_init(init_spectrum_cs);
-module_exit(exit_spectrum_cs);
+module_pcmcia_driver(orinoco_driver);