![Mikael Starvik](/assets/img/avatar_default.png)
Added I/O and DMA allocators to be used by drivers. Signed-off-by: Mikael Starvik <starvik@axis.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
76 lines
2 KiB
C
76 lines
2 KiB
C
/* 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 */
|