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/* IO interface mux allocator for ETRAX100LX.
* Copyright 2004, Axis Communications AB
* $Id: io_interface_mux.h,v 1.1 2004/12/13 12:21:53 starvik Exp $
*/
#ifndef _IO_INTERFACE_MUX_H
#define _IO_INTERFACE_MUX_H
/* C.f. ETRAX100LX Designer's Reference 20.9 */
/* The order in enum must match the order of interfaces[] in
* io_interface_mux.c */
enum cris_io_interface {
/* Begin Non-multiplexed interfaces */
if_eth = 0,
if_serial_0,
/* End Non-multiplexed interfaces */
if_serial_1,
if_serial_2,
if_serial_3,
if_sync_serial_1,
if_sync_serial_3,
if_shared_ram,
if_shared_ram_w,
if_par_0,
if_par_1,
if_par_w,
if_scsi8_0,
if_scsi8_1,
if_scsi_w,
if_ata,
if_csp,
if_i2c,
if_usb_1,
if_usb_2,
/* GPIO pins */
if_gpio_grp_a,
if_gpio_grp_b,
if_gpio_grp_c,
if_gpio_grp_d,
if_gpio_grp_e,
if_gpio_grp_f,
if_max_interfaces,
if_unclaimed
};
int cris_request_io_interface(enum cris_io_interface ioif, const char *device_id);
void cris_free_io_interface(enum cris_io_interface ioif);
/* port can be 'a', 'b' or 'g' */
int cris_io_interface_allocate_pins(const enum cris_io_interface ioif,
const char port,
const unsigned start_bit,
const unsigned stop_bit);
/* port can be 'a', 'b' or 'g' */
int cris_io_interface_free_pins(const enum cris_io_interface ioif,
const char port,
const unsigned start_bit,
const unsigned stop_bit);
int cris_io_interface_register_watcher(void (*notify)(const unsigned int gpio_in_available,
const unsigned int gpio_out_available,
const unsigned char pa_available,
const unsigned char pb_available));
void cris_io_interface_delete_watcher(void (*notify)(const unsigned int gpio_in_available,
const unsigned int gpio_out_available,
const unsigned char pa_available,
const unsigned char pb_available));
#endif /* _IO_INTERFACE_MUX_H */