diff options
Diffstat (limited to 'include/pcmcia/ds.h')
| -rw-r--r-- | include/pcmcia/ds.h | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/include/pcmcia/ds.h b/include/pcmcia/ds.h index 3dafd7db34df..0748bec0a87a 100644 --- a/include/pcmcia/ds.h +++ b/include/pcmcia/ds.h @@ -80,7 +80,6 @@ struct pcmcia_device { struct list_head socket_device_list; /* deprecated, will be cleaned up soon */ - io_req_t io; config_req_t conf; window_handle_t win; @@ -88,6 +87,8 @@ struct pcmcia_device { unsigned int irq; struct resource *resource[MAX_IO_WIN]; + unsigned int io_lines; /* number of I/O lines */ + /* Is the device suspended? */ u16 suspended:1; @@ -179,7 +180,7 @@ int pcmcia_read_config_byte(struct pcmcia_device *p_dev, off_t where, u8 *val); int pcmcia_write_config_byte(struct pcmcia_device *p_dev, off_t where, u8 val); /* device configuration */ -int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req); +int pcmcia_request_io(struct pcmcia_device *p_dev); int __must_check __pcmcia_request_exclusive_irq(struct pcmcia_device *p_dev, @@ -206,6 +207,22 @@ int pcmcia_map_mem_page(struct pcmcia_device *p_dev, window_handle_t win, int pcmcia_modify_configuration(struct pcmcia_device *p_dev, modconf_t *mod); void pcmcia_disable_device(struct pcmcia_device *p_dev); +/* IO ports */ +#define IO_DATA_PATH_WIDTH 0x18 +#define IO_DATA_PATH_WIDTH_8 0x00 +#define IO_DATA_PATH_WIDTH_16 0x08 +#define IO_DATA_PATH_WIDTH_AUTO 0x10 + +/* convert flag found in cfgtable to data path width parameter */ +static inline int pcmcia_io_cfg_data_width(unsigned int flags) +{ + if (!(flags & CISTPL_IO_8BIT)) + return IO_DATA_PATH_WIDTH_16; + if (!(flags & CISTPL_IO_16BIT)) + return IO_DATA_PATH_WIDTH_8; + return IO_DATA_PATH_WIDTH_AUTO; +} + #endif /* __KERNEL__ */ #endif /* _LINUX_DS_H */ |