43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
|
#ifndef __LINUX_MDIO_BITBANG_H
|
||
|
|
#define __LINUX_MDIO_BITBANG_H
|
||
|
|
|
||
|
|
#include <linux/phy.h>
|
||
|
|
#include <linux/module.h>
|
||
|
|
|
||
|
|
struct mdiobb_ctrl;
|
||
|
|
|
||
|
|
struct mdiobb_ops {
|
||
|
|
struct module *owner;
|
||
|
|
|
||
|
|
/* Set the Management Data Clock high if level is one,
|
||
|
|
* low if level is zero.
|
||
|
|
*/
|
||
|
|
void (*set_mdc)(struct mdiobb_ctrl *ctrl, int level);
|
||
|
|
|
||
|
|
/* Configure the Management Data I/O pin as an input if
|
||
|
|
* "output" is zero, or an output if "output" is one.
|
||
|
|
*/
|
||
|
|
void (*set_mdio_dir)(struct mdiobb_ctrl *ctrl, int output);
|
||
|
|
|
||
|
|
/* Set the Management Data I/O pin high if value is one,
|
||
|
|
* low if "value" is zero. This may only be called
|
||
|
|
* when the MDIO pin is configured as an output.
|
||
|
|
*/
|
||
|
|
void (*set_mdio_data)(struct mdiobb_ctrl *ctrl, int value);
|
||
|
|
|
||
|
|
/* Retrieve the state Management Data I/O pin. */
|
||
|
|
int (*get_mdio_data)(struct mdiobb_ctrl *ctrl);
|
||
|
|
};
|
||
|
|
|
||
|
|
struct mdiobb_ctrl {
|
||
|
|
const struct mdiobb_ops *ops;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* The returned bus is not yet registered with the phy layer. */
|
||
|
|
struct mii_bus *alloc_mdio_bitbang(struct mdiobb_ctrl *ctrl);
|
||
|
|
|
||
|
|
/* The bus must already have been unregistered. */
|
||
|
|
void free_mdio_bitbang(struct mii_bus *bus);
|
||
|
|
|
||
|
|
#endif
|