typedef struct btuart_info_t {
struct pcmcia_device *p_dev;
- dev_node_t node;
struct hci_dev *hdev;
unsigned int iobase;
int boguscount = 0;
int iir, lsr;
+ irqreturn_t r = IRQ_NONE;
- BUG_ON(!info->hdev);
+ if (!info || !info->hdev)
+ /* our irq handler is shared */
+ return IRQ_NONE;
iobase = info->p_dev->io.BasePort1;
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;
}
info->hdev = hdev;
- hdev->type = HCI_PCCARD;
+ hdev->bus = HCI_PCCARD;
hdev->driver_data = info;
SET_HCIDEV_DEV(hdev, &info->p_dev->dev);
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.IntType = INT_MEMORY_AND_IO;
kfree(info);
}
-static int get_tuple(struct pcmcia_device *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(struct pcmcia_device *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(struct pcmcia_device *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 int btuart_config(struct pcmcia_device *link)
{
- static kio_addr_t base[5] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 };
btuart_info_t *info = link->priv;
- tuple_t tuple;
- u_short buf[256];
- cisparse_t parse;
- cistpl_cftable_entry_t *cf = &parse.cftable_entry;
- int i, j, try;
-
- /* 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(link, &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.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)) {
- 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, &link->io);
- if (i == CS_SUCCESS)
- goto found_port;
- }
-next_entry:
- i = next_tuple(link, &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(link, &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, &link->io);
- if (i == CS_SUCCESS)
- goto found_port;
- }
- }
- i = next_tuple(link, &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, RequestIO, i);
+ i = pcmcia_request_irq(link, btuart_interrupt);
+ if (i != 0)
goto failed;
- }
-
- i = pcmcia_request_irq(link, &link->irq);
- if (i != CS_SUCCESS) {
- cs_error(link, RequestIRQ, i);
- link->irq.AssignedIRQ = 0;
- }
i = pcmcia_request_configuration(link, &link->conf);
- if (i != CS_SUCCESS) {
- cs_error(link, RequestConfiguration, i);
+ if (i != 0)
goto failed;
- }
if (btuart_open(info) != 0)
goto failed;
- strcpy(info->node.dev_name, info->hdev->name);
- link->dev_node = &info->node;
-
return 0;
failed:
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff