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path: root/drivers/usb/host/sl811_cs.c
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Diffstat (limited to 'drivers/usb/host/sl811_cs.c')
-rw-r--r--drivers/usb/host/sl811_cs.c351
1 files changed, 60 insertions, 291 deletions
diff --git a/drivers/usb/host/sl811_cs.c b/drivers/usb/host/sl811_cs.c
index e73faf831b2..88a9bffe93d 100644
--- a/drivers/usb/host/sl811_cs.c
+++ b/drivers/usb/host/sl811_cs.c
@@ -12,8 +12,6 @@
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/sched.h>
#include <linux/ptrace.h>
#include <linux/slab.h>
#include <linux/string.h>
@@ -21,13 +19,11 @@
#include <linux/ioport.h>
#include <linux/platform_device.h>
-#include <pcmcia/cs_types.h>
-#include <pcmcia/cs.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/cisreg.h>
#include <pcmcia/ds.h>
-#include <linux/usb_sl811.h>
+#include <linux/usb/sl811.h>
MODULE_AUTHOR("Botond Botyanszki");
MODULE_DESCRIPTION("REX-CFU1U PCMCIA driver for 2.6");
@@ -38,46 +34,23 @@ MODULE_LICENSE("GPL");
/* MACROS */
/*====================================================================*/
-#if defined(DEBUG) || defined(CONFIG_USB_DEBUG) || defined(PCMCIA_DEBUG)
-
-static int pc_debug = 0;
-module_param(pc_debug, int, 0644);
-
-#define DBG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG "sl811_cs: " args)
-
-#else
-#define DBG(n, args...) do{}while(0)
-#endif /* no debugging */
-
#define INFO(args...) printk(KERN_INFO "sl811_cs: " args)
-#define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0444)
-
-#define CS_CHECK(fn, ret) \
- do { \
- last_fn = (fn); \
- if ((last_ret = (ret)) != 0) \
- goto cs_failed; \
- } while (0)
-
/*====================================================================*/
/* VARIABLES */
/*====================================================================*/
-static const char driver_name[DEV_NAME_LEN] = "sl811_cs";
-
-static dev_link_t *dev_list = NULL;
-
typedef struct local_info_t {
- dev_link_t link;
- dev_node_t node;
+ struct pcmcia_device *p_dev;
} local_info_t;
+static void sl811_cs_release(struct pcmcia_device * link);
+
/*====================================================================*/
static void release_platform_dev(struct device * dev)
{
- DBG(0, "sl811_cs platform_dev release\n");
+ dev_dbg(dev, "sl811_cs platform_dev release\n");
dev->parent = NULL;
}
@@ -101,7 +74,7 @@ static struct resource resources[] = {
},
};
-extern struct device_driver sl811h_driver;
+extern struct platform_driver sl811h_driver;
static struct platform_device platform_dev = {
.id = -1,
@@ -113,7 +86,8 @@ static struct platform_device platform_dev = {
.num_resources = ARRAY_SIZE(resources),
};
-static int sl811_hc_init(struct device *parent, ioaddr_t base_addr, int irq)
+static int sl811_hc_init(struct device *parent, resource_size_t base_addr,
+ int irq)
{
if (platform_dev.dev.parent)
return -EBUSY;
@@ -129,279 +103,90 @@ static int sl811_hc_init(struct device *parent, ioaddr_t base_addr, int irq)
resources[2].end = base_addr + 1;
/* The driver core will probe for us. We know sl811-hcd has been
- * initialized already because of the link order dependency.
+ * initialized already because of the link order dependency created
+ * by referencing "sl811h_driver".
*/
- platform_dev.name = sl811h_driver.name;
+ platform_dev.name = sl811h_driver.driver.name;
return platform_device_register(&platform_dev);
}
/*====================================================================*/
-static void sl811_cs_detach(dev_link_t *link)
+static void sl811_cs_detach(struct pcmcia_device *link)
{
- dev_link_t **linkp;
+ dev_dbg(&link->dev, "sl811_cs_detach\n");
- DBG(0, "sl811_cs_detach(0x%p)\n", link);
-
- /* Locate device structure */
- for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) {
- if (*linkp == link)
- break;
- }
- if (*linkp == NULL)
- return;
+ sl811_cs_release(link);
- /* Break the link with Card Services */
- if (link->handle)
- pcmcia_deregister_client(link->handle);
-
- /* Unlink device structure, and free it */
- *linkp = link->next;
/* This points to the parent local_info_t struct */
kfree(link->priv);
}
-static void sl811_cs_release(dev_link_t * link)
+static void sl811_cs_release(struct pcmcia_device * link)
{
+ dev_dbg(&link->dev, "sl811_cs_release\n");
- DBG(0, "sl811_cs_release(0x%p)\n", link);
-
- if (link->open) {
- DBG(1, "sl811_cs: release postponed, '%s' still open\n",
- link->dev->dev_name);
- link->state |= DEV_STALE_CONFIG;
- return;
- }
+ pcmcia_disable_device(link);
+ platform_device_unregister(&platform_dev);
+}
- /* Unlink the device chain */
- link->dev = NULL;
+static int sl811_cs_config_check(struct pcmcia_device *p_dev, void *priv_data)
+{
+ if (p_dev->config_index == 0)
+ return -EINVAL;
- platform_device_unregister(&platform_dev);
- pcmcia_release_configuration(link->handle);
- if (link->io.NumPorts1)
- pcmcia_release_io(link->handle, &link->io);
- if (link->irq.AssignedIRQ)
- pcmcia_release_irq(link->handle, &link->irq);
- link->state &= ~DEV_CONFIG;
-
- if (link->state & DEV_STALE_LINK)
- sl811_cs_detach(link);
+ return pcmcia_request_io(p_dev);
}
-static void sl811_cs_config(dev_link_t *link)
+
+static int sl811_cs_config(struct pcmcia_device *link)
{
- client_handle_t handle = link->handle;
- struct device *parent = &handle_to_dev(handle);
- local_info_t *dev = link->priv;
- tuple_t tuple;
- cisparse_t parse;
- int last_fn, last_ret;
- u_char buf[64];
- config_info_t conf;
- cistpl_cftable_entry_t dflt = { 0 };
-
- DBG(0, "sl811_cs_config(0x%p)\n", link);
-
- tuple.DesiredTuple = CISTPL_CONFIG;
- tuple.Attributes = 0;
- tuple.TupleData = buf;
- tuple.TupleDataMax = sizeof(buf);
- tuple.TupleOffset = 0;
- CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
- CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
- CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
- link->conf.ConfigBase = parse.config.base;
- link->conf.Present = parse.config.rmask[0];
-
- /* Configure card */
- link->state |= DEV_CONFIG;
-
- /* Look up the current Vcc */
- CS_CHECK(GetConfigurationInfo,
- pcmcia_get_configuration_info(handle, &conf));
- link->conf.Vcc = conf.Vcc;
-
- tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
- CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
- while (1) {
- cistpl_cftable_entry_t *cfg = &(parse.cftable_entry);
-
- if (pcmcia_get_tuple_data(handle, &tuple) != 0
- || pcmcia_parse_tuple(handle, &tuple, &parse)
- != 0)
- goto next_entry;
-
- if (cfg->flags & CISTPL_CFTABLE_DEFAULT) {
- dflt = *cfg;
- }
-
- if (cfg->index == 0)
- goto next_entry;
-
- link->conf.ConfigIndex = cfg->index;
-
- /* 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 (cfg->vcc.param[CISTPL_POWER_VNOM]/10000
- != conf.Vcc)
- goto next_entry;
- } else if (dflt.vcc.present & (1<<CISTPL_POWER_VNOM)) {
- if (dflt.vcc.param[CISTPL_POWER_VNOM]/10000
- != conf.Vcc)
- goto next_entry;
- }
-
- if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM))
- link->conf.Vpp1 = link->conf.Vpp2 =
- cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
- else if (dflt.vpp1.present & (1<<CISTPL_POWER_VNOM))
- link->conf.Vpp1 = link->conf.Vpp2 =
- dflt.vpp1.param[CISTPL_POWER_VNOM]/10000;
-
- /* we need 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 (pcmcia_request_io(link->handle, &link->io) != 0)
- goto next_entry;
- }
- break;
-
-next_entry:
- if (link->io.NumPorts1)
- pcmcia_release_io(link->handle, &link->io);
- last_ret = pcmcia_get_next_tuple(handle, &tuple);
- }
+ struct device *parent = &link->dev;
+ int ret;
+
+ dev_dbg(&link->dev, "sl811_cs_config\n");
+
+ link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_VPP |
+ CONF_AUTO_CHECK_VCC | CONF_AUTO_SET_IO;
+
+ if (pcmcia_loop_config(link, sl811_cs_config_check, NULL))
+ goto failed;
/* require an IRQ and two registers */
- if (!link->io.NumPorts1 || link->io.NumPorts1 < 2)
- goto cs_failed;
- if (link->conf.Attributes & CONF_ENABLE_IRQ)
- CS_CHECK(RequestIRQ,
- pcmcia_request_irq(link->handle, &link->irq));
- else
- goto cs_failed;
-
- CS_CHECK(RequestConfiguration,
- pcmcia_request_configuration(link->handle, &link->conf));
-
- sprintf(dev->node.dev_name, driver_name);
- dev->node.major = dev->node.minor = 0;
- link->dev = &dev->node;
-
- printk(KERN_INFO "%s: index 0x%02x: Vcc %d.%d",
- dev->node.dev_name, link->conf.ConfigIndex,
- link->conf.Vcc/10, link->conf.Vcc%10);
- if (link->conf.Vpp1)
- printk(", Vpp %d.%d", link->conf.Vpp1/10, link->conf.Vpp1%10);
- printk(", irq %d", link->irq.AssignedIRQ);
- printk(", io 0x%04x-0x%04x", link->io.BasePort1,
- link->io.BasePort1+link->io.NumPorts1-1);
- printk("\n");
-
- link->state &= ~DEV_CONFIG_PENDING;
-
- if (sl811_hc_init(parent, link->io.BasePort1, link->irq.AssignedIRQ)
+ if (resource_size(link->resource[0]) < 2)
+ goto failed;
+
+ if (!link->irq)
+ goto failed;
+
+ ret = pcmcia_enable_device(link);
+ if (ret)
+ goto failed;
+
+ if (sl811_hc_init(parent, link->resource[0]->start, link->irq)
< 0) {
-cs_failed:
- printk("sl811_cs_config failed\n");
- cs_error(link->handle, last_fn, last_ret);
+failed:
+ printk(KERN_WARNING "sl811_cs_config failed\n");
sl811_cs_release(link);
- link->state &= ~DEV_CONFIG_PENDING;
- }
-}
-
-static int
-sl811_cs_event(event_t event, int priority, event_callback_args_t *args)
-{
- dev_link_t *link = args->client_data;
-
- DBG(1, "sl811_cs_event(0x%06x)\n", event);
-
- switch (event) {
- case CS_EVENT_CARD_REMOVAL:
- link->state &= ~DEV_PRESENT;
- if (link->state & DEV_CONFIG)
- sl811_cs_release(link);
- break;
-
- case CS_EVENT_CARD_INSERTION:
- link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
- sl811_cs_config(link);
- break;
-
- case CS_EVENT_PM_SUSPEND:
- link->state |= DEV_SUSPEND;
- /* Fall through... */
- case CS_EVENT_RESET_PHYSICAL:
- if (link->state & DEV_CONFIG)
- pcmcia_release_configuration(link->handle);
- break;
-
- case CS_EVENT_PM_RESUME:
- link->state &= ~DEV_SUSPEND;
- /* Fall through... */
- case CS_EVENT_CARD_RESET:
- if (link->state & DEV_CONFIG)
- pcmcia_request_configuration(link->handle, &link->conf);
- DBG(0, "reset sl811-hcd here?\n");
- break;
+ return -ENODEV;
}
return 0;
}
-static dev_link_t *sl811_cs_attach(void)
+static int sl811_cs_probe(struct pcmcia_device *link)
{
local_info_t *local;
- dev_link_t *link;
- client_reg_t client_reg;
- int ret;
- local = kmalloc(sizeof(local_info_t), GFP_KERNEL);
+ local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
if (!local)
- return NULL;
- memset(local, 0, sizeof(local_info_t));
- link = &local->link;
+ return -ENOMEM;
+ local->p_dev = link;
link->priv = local;
- /* Initialize */
- link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
- link->irq.IRQInfo1 = IRQ_INFO2_VALID|IRQ_LEVEL_ID;
- link->irq.Handler = NULL;
-
- link->conf.Attributes = 0;
- link->conf.Vcc = 33;
- link->conf.IntType = INT_MEMORY_AND_IO;
-
- /* Register with Card Services */
- link->next = dev_list;
- dev_list = link;
- client_reg.dev_info = (dev_info_t *) &driver_name;
- client_reg.Attributes = INFO_IO_CLIENT | INFO_CARD_SHARE;
- client_reg.Version = 0x0210;
- client_reg.event_callback_args.client_data = link;
- ret = pcmcia_register_client(&link->handle, &client_reg);
- if (ret != CS_SUCCESS) {
- cs_error(link->handle, RegisterClient, ret);
- sl811_cs_detach(link);
- return NULL;
- }
-
- return link;
+ return sl811_cs_config(link);
}
-static struct pcmcia_device_id sl811_ids[] = {
+static const struct pcmcia_device_id sl811_ids[] = {
PCMCIA_DEVICE_MANF_CARD(0xc015, 0x0001), /* RATOC USB HOST CF+ Card */
PCMCIA_DEVICE_NULL,
};
@@ -409,25 +194,9 @@ MODULE_DEVICE_TABLE(pcmcia, sl811_ids);
static struct pcmcia_driver sl811_cs_driver = {
.owner = THIS_MODULE,
- .drv = {
- .name = (char *)driver_name,
- },
- .attach = sl811_cs_attach,
- .event = sl811_cs_event,
- .detach = sl811_cs_detach,
+ .name = "sl811_cs",
+ .probe = sl811_cs_probe,
+ .remove = sl811_cs_detach,
.id_table = sl811_ids,
};
-
-/*====================================================================*/
-
-static int __init init_sl811_cs(void)
-{
- return pcmcia_register_driver(&sl811_cs_driver);
-}
-module_init(init_sl811_cs);
-
-static void __exit exit_sl811_cs(void)
-{
- pcmcia_unregister_driver(&sl811_cs_driver);
-}
-module_exit(exit_sl811_cs);
+module_pcmcia_driver(sl811_cs_driver);