diff options
Diffstat (limited to 'include/linux/usb/serial.h')
| -rw-r--r-- | include/linux/usb/serial.h | 42 |
1 files changed, 32 insertions, 10 deletions
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index 704a1ab8240c..e2f0ab07eea5 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -20,7 +20,7 @@ #include <linux/kfifo.h> /* The maximum number of ports one device can grab at once */ -#define MAX_NUM_PORTS 8 +#define MAX_NUM_PORTS 16 /* parity check flag */ #define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK)) @@ -159,10 +159,10 @@ struct usb_serial { unsigned char minors_reserved:1; unsigned char num_ports; unsigned char num_port_pointers; - char num_interrupt_in; - char num_interrupt_out; - char num_bulk_in; - char num_bulk_out; + unsigned char num_interrupt_in; + unsigned char num_interrupt_out; + unsigned char num_bulk_in; + unsigned char num_bulk_out; struct usb_serial_port *port[MAX_NUM_PORTS]; struct kref kref; struct mutex disc_mutex; @@ -181,6 +181,17 @@ static inline void usb_set_serial_data(struct usb_serial *serial, void *data) serial->private = data; } +struct usb_serial_endpoints { + unsigned char num_bulk_in; + unsigned char num_bulk_out; + unsigned char num_interrupt_in; + unsigned char num_interrupt_out; + struct usb_endpoint_descriptor *bulk_in[MAX_NUM_PORTS]; + struct usb_endpoint_descriptor *bulk_out[MAX_NUM_PORTS]; + struct usb_endpoint_descriptor *interrupt_in[MAX_NUM_PORTS]; + struct usb_endpoint_descriptor *interrupt_out[MAX_NUM_PORTS]; +}; + /** * usb_serial_driver - describes a usb serial driver * @description: pointer to a string that describes this driver. This string @@ -188,12 +199,17 @@ static inline void usb_set_serial_data(struct usb_serial *serial, void *data) * @id_table: pointer to a list of usb_device_id structures that define all * of the devices this structure can support. * @num_ports: the number of different ports this device will have. + * @num_bulk_in: minimum number of bulk-in endpoints + * @num_bulk_out: minimum number of bulk-out endpoints + * @num_interrupt_in: minimum number of interrupt-in endpoints + * @num_interrupt_out: minimum number of interrupt-out endpoints * @bulk_in_size: minimum number of bytes to allocate for bulk-in buffer * (0 = end-point size) * @bulk_out_size: bytes to allocate for bulk-out buffer (0 = end-point size) * @calc_num_ports: pointer to a function to determine how many ports this - * device has dynamically. It will be called after the probe() - * callback is called, but before attach() + * device has dynamically. It can also be used to verify the number of + * endpoints or to modify the port-endpoint mapping. It will be called + * after the probe() callback is called, but before attach(). * @probe: pointer to the driver's probe function. * This will be called when the device is inserted into the system, * but before the device has been fully initialized by the usb_serial @@ -227,19 +243,26 @@ static inline void usb_set_serial_data(struct usb_serial *serial, void *data) struct usb_serial_driver { const char *description; const struct usb_device_id *id_table; - char num_ports; struct list_head driver_list; struct device_driver driver; struct usb_driver *usb_driver; struct usb_dynids dynids; + unsigned char num_ports; + + unsigned char num_bulk_in; + unsigned char num_bulk_out; + unsigned char num_interrupt_in; + unsigned char num_interrupt_out; + size_t bulk_in_size; size_t bulk_out_size; int (*probe)(struct usb_serial *serial, const struct usb_device_id *id); int (*attach)(struct usb_serial *serial); - int (*calc_num_ports) (struct usb_serial *serial); + int (*calc_num_ports)(struct usb_serial *serial, + struct usb_serial_endpoints *epds); void (*disconnect)(struct usb_serial *serial); void (*release)(struct usb_serial *serial); @@ -356,7 +379,6 @@ extern void usb_serial_handle_dcd_change(struct usb_serial_port *usb_port, extern int usb_serial_bus_register(struct usb_serial_driver *device); extern void usb_serial_bus_deregister(struct usb_serial_driver *device); -extern struct usb_serial_driver usb_serial_generic_device; extern struct bus_type usb_serial_bus_type; extern struct tty_driver *usb_serial_tty_driver; |