*
*/
-#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;
+ struct pcmcia_device *p_dev;
dev_node_t node;
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_config(struct pcmcia_device *link);
+static void btuart_release(struct pcmcia_device *link);
static void btuart_detach(struct pcmcia_device *p_dev);
}
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;
- if (!info || !info->hdev) {
- BT_ERR("Call of irq %d for unknown device", irq);
- return IRQ_NONE;
- }
+ BUG_ON(!info->hdev);
- iobase = info->link.io.BasePort1;
+ iobase = info->p_dev->io.BasePort1;
spin_lock(&(info->lock));
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));
hdev->type = 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 int btuart_attach(struct pcmcia_device *p_dev)
+static int btuart_probe(struct pcmcia_device *link)
{
btuart_info_t *info;
- dev_link_t *link;
/* Create new info device */
info = kzalloc(sizeof(*info), GFP_KERNEL);
if (!info)
return -ENOMEM;
- link = &info->link;
+ info->p_dev = link;
link->priv = info;
link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
link->irq.Instance = info;
link->conf.Attributes = CONF_ENABLE_IRQ;
- link->conf.Vcc = 50;
link->conf.IntType = INT_MEMORY_AND_IO;
- link->handle = p_dev;
- p_dev->instance = link;
-
- link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
- btuart_config(link);
-
- return 0;
+ return btuart_config(link);
}
-static void btuart_detach(struct pcmcia_device *p_dev)
+static void btuart_detach(struct pcmcia_device *link)
{
- dev_link_t *link = dev_to_instance(p_dev);
btuart_info_t *info = link->priv;
- if (link->state & DEV_CONFIG)
- btuart_release(link);
-
+ 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;
-found_port:
- if (i != CS_SUCCESS) {
- BT_ERR("No usable port range found");
- cs_error(link->handle, RequestIO, i);
- goto failed;
- }
+ BT_ERR("No usable port range found");
+ cs_error(link, RequestIO, -ENODEV);
+ goto failed;
- i = pcmcia_request_irq(link->handle, &link->irq);
- if (i != CS_SUCCESS) {
- cs_error(link->handle, RequestIRQ, i);
+found_port:
+ i = pcmcia_request_irq(link, &link->irq);
+ if (i != 0) {
+ cs_error(link, 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) {
+ cs_error(link, RequestConfiguration, i);
goto failed;
}
goto failed;
strcpy(info->node.dev_name, info->hdev->name);
- link->dev = &info->node;
- link->state &= ~DEV_CONFIG_PENDING;
-
- return;
+ link->dev_node = &info->node;
-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);
-
- pcmcia_disable_device(link->handle);
-}
-
-static int btuart_suspend(struct pcmcia_device *dev)
-{
- dev_link_t *link = dev_to_instance(dev);
-
- link->state |= DEV_SUSPEND;
- if (link->state & DEV_CONFIG)
- pcmcia_release_configuration(link->handle);
+ btuart_close(info);
- return 0;
+ pcmcia_disable_device(link);
}
-static int btuart_resume(struct pcmcia_device *dev)
-{
- dev_link_t *link = dev_to_instance(dev);
-
- link->state &= ~DEV_SUSPEND;
- if (DEV_OK(link))
- pcmcia_request_configuration(link->handle, &link->conf);
-
- return 0;
-}
-
-
static struct pcmcia_device_id btuart_ids[] = {
/* don't use this driver. Use serial_cs + hci_uart instead */
PCMCIA_DEVICE_NULL
.drv = {
.name = "btuart_cs",
},
- .probe = btuart_attach,
+ .probe = btuart_probe,
.remove = btuart_detach,
.id_table = btuart_ids,
- .suspend = btuart_suspend,
- .resume = btuart_resume,
};
static int __init init_btuart_cs(void)