103 lines
3.0 KiB
C
103 lines
3.0 KiB
C
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/* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __EMAC_PHY_H__
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#define __EMAC_PHY_H__
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#include <linux/platform_device.h>
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struct emac_adapter;
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struct emac_phy_ops {
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int (*config)(struct platform_device *pdev, struct emac_adapter *adpt);
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int (*init)(struct emac_adapter *adpt);
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void (*reset)(struct emac_adapter *adpt);
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int (*init_ephy)(struct emac_adapter *adpt);
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int (*up)(struct emac_adapter *adpt);
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void (*down)(struct emac_adapter *adpt);
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int (*link_setup_no_ephy)(struct emac_adapter *adpt, u32 speed,
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bool autoneg);
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int (*link_check_no_ephy)(struct emac_adapter *adpt, u32 *speed,
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bool *link_up);
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void (*tx_clk_set_rate)(struct emac_adapter *adpt);
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void (*periodic_task)(struct emac_adapter *adpt);
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};
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enum emac_flow_ctrl {
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EMAC_FC_NONE,
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EMAC_FC_RX_PAUSE,
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EMAC_FC_TX_PAUSE,
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EMAC_FC_FULL,
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EMAC_FC_DEFAULT
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};
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enum emac_phy_map_type {
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EMAC_PHY_MAP_DEFAULT = 0,
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EMAC_PHY_MAP_MDM9607,
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EMAC_PHY_MAP_NUM,
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};
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/* emac_phy
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* @addr mii address
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* @id vendor id
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* @cur_fc_mode flow control mode in effect
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* @req_fc_mode flow control mode requested by caller
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* @disable_fc_autoneg Do not auto-negotiate flow control
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*/
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struct emac_phy {
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int phy_mode;
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u32 phy_version;
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bool external;
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bool uses_gpios;
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u32 addr;
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u16 id[2];
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bool autoneg;
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u32 autoneg_advertised;
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u32 link_speed;
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bool link_up;
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/* lock - synchronize access to mdio bus */
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spinlock_t lock;
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struct emac_phy_ops ops;
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void *private;
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/* flow control configuration */
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enum emac_flow_ctrl cur_fc_mode;
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enum emac_flow_ctrl req_fc_mode;
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bool disable_fc_autoneg;
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enum emac_phy_map_type board_id;
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};
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int emac_phy_config(struct platform_device *pdev, struct emac_adapter *adpt);
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int emac_phy_init_external(struct emac_adapter *adpt);
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int emac_phy_read(struct emac_adapter *adpt, u16 phy_addr, u16 reg_addr,
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u16 *phy_data);
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int emac_phy_write(struct emac_adapter *adpt, u16 phy_addr, u16 reg_addr,
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u16 phy_data);
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int emac_phy_setup_link(struct emac_adapter *adpt, u32 speed, bool autoneg,
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bool fc);
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int emac_phy_setup_link_speed(struct emac_adapter *adpt, u32 speed,
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bool autoneg, bool fc);
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int emac_phy_check_link(struct emac_adapter *adpt, u32 *speed, bool *link_up);
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int emac_phy_get_lpa_speed(struct emac_adapter *adpt, u32 *speed);
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int emac_phy_config_fc(struct emac_adapter *adpt);
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void emac_phy_reset_external(struct emac_adapter *adpt);
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struct emac_reg_write {
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ulong offset;
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#define END_MARKER 0xffffffff
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u32 val;
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};
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void emac_reg_write_all(void __iomem *base, const struct emac_reg_write *itr);
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#endif /* __EMAC_PHY_H__ */
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