*
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/types.h>
-#include <linux/sched.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/ptrace.h>
typedef struct btuart_info_t {
- dev_link_t link;
- dev_node_t node;
+ struct pcmcia_device *p_dev;
struct hci_dev *hdev;
} btuart_info_t;
-static void btuart_config(dev_link_t *link);
-static void btuart_release(dev_link_t *link);
-static int btuart_event(event_t event, int priority, event_callback_args_t *args);
+static int btuart_config(struct pcmcia_device *link);
+static void btuart_release(struct pcmcia_device *link);
-static dev_info_t dev_info = "btuart_cs";
-
-static dev_link_t *btuart_attach(void);
-static void btuart_detach(dev_link_t *);
-
-static dev_link_t *dev_list = NULL;
+static void btuart_detach(struct pcmcia_device *p_dev);
/* Maximum baud rate */
}
do {
- register unsigned int iobase = info->link.io.BasePort1;
+ register unsigned int iobase = info->p_dev->io.BasePort1;
register struct sk_buff *skb;
register int len;
clear_bit(XMIT_WAKEUP, &(info->tx_state));
- if (!(info->link.state & DEV_PRESENT))
+ if (!pcmcia_dev_present(info->p_dev))
return;
if (!(skb = skb_dequeue(&(info->txq))))
return;
}
- iobase = info->link.io.BasePort1;
+ iobase = info->p_dev->io.BasePort1;
do {
info->hdev->stat.byte_rx++;
switch (info->rx_state) {
case RECV_WAIT_EVENT_HEADER:
- eh = (struct hci_event_hdr *)(info->rx_skb->data);
+ eh = hci_event_hdr(info->rx_skb);
info->rx_state = RECV_WAIT_DATA;
info->rx_count = eh->plen;
break;
case RECV_WAIT_ACL_HEADER:
- ah = (struct hci_acl_hdr *)(info->rx_skb->data);
+ ah = hci_acl_hdr(info->rx_skb);
dlen = __le16_to_cpu(ah->dlen);
info->rx_state = RECV_WAIT_DATA;
info->rx_count = dlen;
break;
case RECV_WAIT_SCO_HEADER:
- sh = (struct hci_sco_hdr *)(info->rx_skb->data);
+ sh = hci_sco_hdr(info->rx_skb);
info->rx_state = RECV_WAIT_DATA;
info->rx_count = sh->dlen;
break;
}
-static irqreturn_t btuart_interrupt(int irq, void *dev_inst, struct pt_regs *regs)
+static irqreturn_t btuart_interrupt(int irq, void *dev_inst)
{
btuart_info_t *info = dev_inst;
unsigned int iobase;
int boguscount = 0;
int iir, lsr;
+ irqreturn_t r = IRQ_NONE;
- if (!info || !info->hdev) {
- BT_ERR("Call of irq %d for unknown device", irq);
+ if (!info || !info->hdev)
+ /* our irq handler is shared */
return IRQ_NONE;
- }
- iobase = info->link.io.BasePort1;
+ iobase = info->p_dev->io.BasePort1;
spin_lock(&(info->lock));
iir = inb(iobase + UART_IIR) & UART_IIR_ID;
while (iir) {
+ r = IRQ_HANDLED;
/* Clear interrupt */
lsr = inb(iobase + UART_LSR);
spin_unlock(&(info->lock));
- return IRQ_HANDLED;
+ return r;
}
return;
}
- iobase = info->link.io.BasePort1;
+ iobase = info->p_dev->io.BasePort1;
spin_lock_irqsave(&(info->lock), flags);
outb(lcr, iobase + UART_LCR); /* Set 8N1 */
outb(fcr, iobase + UART_FCR); /* Enable FIFO's */
- /* Turn on interrups */
+ /* Turn on interrupts */
outb(UART_IER_RLSI | UART_IER_RDI | UART_IER_THRI, iobase + UART_IER);
spin_unlock_irqrestore(&(info->lock), flags);
static int btuart_open(btuart_info_t *info)
{
unsigned long flags;
- unsigned int iobase = info->link.io.BasePort1;
+ unsigned int iobase = info->p_dev->io.BasePort1;
struct hci_dev *hdev;
spin_lock_init(&(info->lock));
info->hdev = hdev;
- hdev->type = HCI_PCCARD;
+ hdev->bus = HCI_PCCARD;
hdev->driver_data = info;
+ SET_HCIDEV_DEV(hdev, &info->p_dev->dev);
hdev->open = btuart_hci_open;
hdev->close = btuart_hci_close;
static int btuart_close(btuart_info_t *info)
{
unsigned long flags;
- unsigned int iobase = info->link.io.BasePort1;
+ unsigned int iobase = info->p_dev->io.BasePort1;
struct hci_dev *hdev = info->hdev;
if (!hdev)
return 0;
}
-static dev_link_t *btuart_attach(void)
+static int btuart_probe(struct pcmcia_device *link)
{
btuart_info_t *info;
- client_reg_t client_reg;
- dev_link_t *link;
- int ret;
/* Create new info device */
info = kzalloc(sizeof(*info), GFP_KERNEL);
if (!info)
- return NULL;
+ return -ENOMEM;
- link = &info->link;
+ info->p_dev = link;
link->priv = info;
link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
link->io.NumPorts1 = 8;
- link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
- link->irq.IRQInfo1 = IRQ_LEVEL_ID;
-
- link->irq.Handler = btuart_interrupt;
- link->irq.Instance = info;
link->conf.Attributes = CONF_ENABLE_IRQ;
- link->conf.Vcc = 50;
link->conf.IntType = INT_MEMORY_AND_IO;
- /* Register with Card Services */
- link->next = dev_list;
- dev_list = link;
- client_reg.dev_info = &dev_info;
- 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);
- btuart_detach(link);
- return NULL;
- }
-
- return link;
+ return btuart_config(link);
}
-static void btuart_detach(dev_link_t *link)
+static void btuart_detach(struct pcmcia_device *link)
{
btuart_info_t *info = link->priv;
- dev_link_t **linkp;
- int ret;
-
- /* Locate device structure */
- for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
- if (*linkp == link)
- break;
-
- if (*linkp == NULL)
- return;
-
- if (link->state & DEV_CONFIG)
- btuart_release(link);
-
- if (link->handle) {
- ret = pcmcia_deregister_client(link->handle);
- if (ret != CS_SUCCESS)
- cs_error(link->handle, DeregisterClient, ret);
- }
-
- /* Unlink device structure, free bits */
- *linkp = link->next;
+ btuart_release(link);
kfree(info);
}
-static int get_tuple(client_handle_t handle, tuple_t *tuple, cisparse_t *parse)
-{
- int i;
-
- i = pcmcia_get_tuple_data(handle, tuple);
- if (i != CS_SUCCESS)
- return i;
-
- return pcmcia_parse_tuple(handle, tuple, parse);
-}
-
-static int first_tuple(client_handle_t handle, tuple_t *tuple, cisparse_t *parse)
+static int btuart_check_config(struct pcmcia_device *p_dev,
+ cistpl_cftable_entry_t *cf,
+ cistpl_cftable_entry_t *dflt,
+ unsigned int vcc,
+ void *priv_data)
{
- if (pcmcia_get_first_tuple(handle, tuple) != CS_SUCCESS)
- return CS_NO_MORE_ITEMS;
- return get_tuple(handle, tuple, parse);
+ int *try = priv_data;
+
+ if (cf->vpp1.present & (1 << CISTPL_POWER_VNOM))
+ p_dev->conf.Vpp = cf->vpp1.param[CISTPL_POWER_VNOM] / 10000;
+ if ((cf->io.nwin > 0) && (cf->io.win[0].len == 8) &&
+ (cf->io.win[0].base != 0)) {
+ p_dev->io.BasePort1 = cf->io.win[0].base;
+ p_dev->io.IOAddrLines = (*try == 0) ? 16 :
+ cf->io.flags & CISTPL_IO_LINES_MASK;
+ if (!pcmcia_request_io(p_dev, &p_dev->io))
+ return 0;
+ }
+ return -ENODEV;
}
-static int next_tuple(client_handle_t handle, tuple_t *tuple, cisparse_t *parse)
+static int btuart_check_config_notpicky(struct pcmcia_device *p_dev,
+ cistpl_cftable_entry_t *cf,
+ cistpl_cftable_entry_t *dflt,
+ unsigned int vcc,
+ void *priv_data)
{
- if (pcmcia_get_next_tuple(handle, tuple) != CS_SUCCESS)
- return CS_NO_MORE_ITEMS;
- return get_tuple(handle, tuple, parse);
+ static unsigned int base[5] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 };
+ int j;
+
+ if ((cf->io.nwin > 0) && ((cf->io.flags & CISTPL_IO_LINES_MASK) <= 3)) {
+ for (j = 0; j < 5; j++) {
+ p_dev->io.BasePort1 = base[j];
+ p_dev->io.IOAddrLines = base[j] ? 16 : 3;
+ if (!pcmcia_request_io(p_dev, &p_dev->io))
+ return 0;
+ }
+ }
+ return -ENODEV;
}
-static void btuart_config(dev_link_t *link)
+static int btuart_config(struct pcmcia_device *link)
{
- static kio_addr_t base[5] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 };
- client_handle_t handle = link->handle;
btuart_info_t *info = link->priv;
- tuple_t tuple;
- u_short buf[256];
- cisparse_t parse;
- cistpl_cftable_entry_t *cf = &parse.cftable_entry;
- config_info_t config;
- int i, j, try, last_ret, last_fn;
-
- tuple.TupleData = (cisdata_t *)buf;
- tuple.TupleOffset = 0;
- tuple.TupleDataMax = 255;
- tuple.Attributes = 0;
-
- /* Get configuration register information */
- tuple.DesiredTuple = CISTPL_CONFIG;
- last_ret = first_tuple(handle, &tuple, &parse);
- if (last_ret != CS_SUCCESS) {
- last_fn = ParseTuple;
- goto cs_failed;
- }
- link->conf.ConfigBase = parse.config.base;
- link->conf.Present = parse.config.rmask[0];
-
- /* Configure card */
- link->state |= DEV_CONFIG;
- i = pcmcia_get_configuration_info(handle, &config);
- link->conf.Vcc = config.Vcc;
-
- /* First pass: look for a config entry that looks normal. */
- tuple.TupleData = (cisdata_t *) buf;
- tuple.TupleOffset = 0;
- tuple.TupleDataMax = 255;
- tuple.Attributes = 0;
- tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
- /* Two tries: without IO aliases, then with aliases */
- for (try = 0; try < 2; try++) {
- i = first_tuple(handle, &tuple, &parse);
- while (i != CS_NO_MORE_ITEMS) {
- if (i != CS_SUCCESS)
- goto next_entry;
- if (cf->vpp1.present & (1 << CISTPL_POWER_VNOM))
- link->conf.Vpp1 = link->conf.Vpp2 = cf->vpp1.param[CISTPL_POWER_VNOM] / 10000;
- if ((cf->io.nwin > 0) && (cf->io.win[0].len == 8) && (cf->io.win[0].base != 0)) {
- link->conf.ConfigIndex = cf->index;
- link->io.BasePort1 = cf->io.win[0].base;
- link->io.IOAddrLines = (try == 0) ? 16 : cf->io.flags & CISTPL_IO_LINES_MASK;
- i = pcmcia_request_io(link->handle, &link->io);
- if (i == CS_SUCCESS)
- goto found_port;
- }
-next_entry:
- i = next_tuple(handle, &tuple, &parse);
- }
- }
+ int i;
+ int try;
+
+ /* First pass: look for a config entry that looks normal.
+ Two tries: without IO aliases, then with aliases */
+ for (try = 0; try < 2; try++)
+ if (!pcmcia_loop_config(link, btuart_check_config, &try))
+ goto found_port;
/* Second pass: try to find an entry that isn't picky about
its base address, then try to grab any standard serial port
address, and finally try to get any free port. */
- i = first_tuple(handle, &tuple, &parse);
- while (i != CS_NO_MORE_ITEMS) {
- if ((i == CS_SUCCESS) && (cf->io.nwin > 0)
- && ((cf->io.flags & CISTPL_IO_LINES_MASK) <= 3)) {
- link->conf.ConfigIndex = cf->index;
- for (j = 0; j < 5; j++) {
- link->io.BasePort1 = base[j];
- link->io.IOAddrLines = base[j] ? 16 : 3;
- i = pcmcia_request_io(link->handle, &link->io);
- if (i == CS_SUCCESS)
- goto found_port;
- }
- }
- i = next_tuple(handle, &tuple, &parse);
- }
+ if (!pcmcia_loop_config(link, btuart_check_config_notpicky, NULL))
+ goto found_port;
+
+ BT_ERR("No usable port range found");
+ goto failed;
found_port:
- if (i != CS_SUCCESS) {
- BT_ERR("No usable port range found");
- cs_error(link->handle, RequestIO, i);
+ i = pcmcia_request_irq(link, btuart_interrupt);
+ if (i != 0)
goto failed;
- }
- i = pcmcia_request_irq(link->handle, &link->irq);
- if (i != CS_SUCCESS) {
- cs_error(link->handle, RequestIRQ, i);
- link->irq.AssignedIRQ = 0;
- }
-
- i = pcmcia_request_configuration(link->handle, &link->conf);
- if (i != CS_SUCCESS) {
- cs_error(link->handle, RequestConfiguration, i);
+ i = pcmcia_request_configuration(link, &link->conf);
+ if (i != 0)
goto failed;
- }
if (btuart_open(info) != 0)
goto failed;
- strcpy(info->node.dev_name, info->hdev->name);
- link->dev = &info->node;
- link->state &= ~DEV_CONFIG_PENDING;
-
- return;
-
-cs_failed:
- cs_error(link->handle, last_fn, last_ret);
+ return 0;
failed:
btuart_release(link);
+ return -ENODEV;
}
-static void btuart_release(dev_link_t *link)
+static void btuart_release(struct pcmcia_device *link)
{
btuart_info_t *info = link->priv;
- if (link->state & DEV_PRESENT)
- btuart_close(info);
-
- link->dev = NULL;
-
- pcmcia_release_configuration(link->handle);
- pcmcia_release_io(link->handle, &link->io);
- pcmcia_release_irq(link->handle, &link->irq);
+ btuart_close(info);
- link->state &= ~DEV_CONFIG;
-}
-
-
-static int btuart_event(event_t event, int priority, event_callback_args_t *args)
-{
- dev_link_t *link = args->client_data;
- btuart_info_t *info = link->priv;
-
- switch (event) {
- case CS_EVENT_CARD_REMOVAL:
- link->state &= ~DEV_PRESENT;
- if (link->state & DEV_CONFIG) {
- btuart_close(info);
- btuart_release(link);
- }
- break;
- case CS_EVENT_CARD_INSERTION:
- link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
- btuart_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 (DEV_OK(link))
- pcmcia_request_configuration(link->handle, &link->conf);
- break;
- }
-
- return 0;
+ pcmcia_disable_device(link);
}
static struct pcmcia_device_id btuart_ids[] = {
.drv = {
.name = "btuart_cs",
},
- .attach = btuart_attach,
- .event = btuart_event,
- .detach = btuart_detach,
+ .probe = btuart_probe,
+ .remove = btuart_detach,
.id_table = btuart_ids,
};
static void __exit exit_btuart_cs(void)
{
pcmcia_unregister_driver(&btuart_driver);
- BUG_ON(dev_list != NULL);
}
module_init(init_btuart_cs);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff