[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / mdio-bitbang.h

#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
Commit	Line	Data
e2ec4581 SW	1	#ifndef __LINUX_MDIO_BITBANG_H
	2	#define __LINUX_MDIO_BITBANG_H
	3
	4	#include <linux/phy.h>
	5	#include <linux/module.h>
	6
	7	struct mdiobb_ctrl;
	8
	9	struct mdiobb_ops {
	10	struct module *owner;
	11
	12	/* Set the Management Data Clock high if level is one,
	13	* low if level is zero.
	14	*/
	15	void (set_mdc)(struct mdiobb_ctrl ctrl, int level);
	16
	17	/* Configure the Management Data I/O pin as an input if
	18	* "output" is zero, or an output if "output" is one.
	19	*/
	20	void (set_mdio_dir)(struct mdiobb_ctrl ctrl, int output);
	21
	22	/* Set the Management Data I/O pin high if value is one,
	23	* low if "value" is zero. This may only be called
	24	* when the MDIO pin is configured as an output.
	25	*/
	26	void (set_mdio_data)(struct mdiobb_ctrl ctrl, int value);
	27
	28	/* Retrieve the state Management Data I/O pin. */
	29	int (get_mdio_data)(struct mdiobb_ctrl ctrl);
	30	};
	31
	32	struct mdiobb_ctrl {
	33	const struct mdiobb_ops *ops;
	34	};
	35
	36	/* The returned bus is not yet registered with the phy layer. */
	37	struct mii_bus alloc_mdio_bitbang(struct mdiobb_ctrl ctrl);
	38
	39	/* The bus must already have been unregistered. */
	40	void free_mdio_bitbang(struct mii_bus *bus);
	41
	42	#endif