59 static u8 ns_exp_read(struct phy_device *phydev, u16 reg)  in ns_exp_read()  argument
61 	phy_write(phydev, NS_EXP_MEM_ADD, reg);  in ns_exp_read()
62 	return phy_read(phydev, NS_EXP_MEM_DATA);  in ns_exp_read()
65 static void ns_exp_write(struct phy_device *phydev, u16 reg, u8 data)  in ns_exp_write()  argument
67 	phy_write(phydev, NS_EXP_MEM_ADD, reg);  in ns_exp_write()
68 	phy_write(phydev, NS_EXP_MEM_DATA, data);  in ns_exp_write()
71 static int ns_config_intr(struct phy_device *phydev)  in ns_config_intr()  argument
75 	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)  in ns_config_intr()
76 		err = phy_write(phydev, DP83865_INT_MASK,  in ns_config_intr()
79 		err = phy_write(phydev, DP83865_INT_MASK, 0);  in ns_config_intr()
84 static int ns_ack_interrupt(struct phy_device *phydev)  in ns_ack_interrupt()  argument
86 	int ret = phy_read(phydev, DP83865_INT_STATUS);  in ns_ack_interrupt()
92 	ret = phy_write(phydev, DP83865_INT_CLEAR, ret & ~0x7);  in ns_ack_interrupt()
97 static void ns_giga_speed_fallback(struct phy_device *phydev, int mode)  in ns_giga_speed_fallback()  argument
99 	int bmcr = phy_read(phydev, MII_BMCR);  in ns_giga_speed_fallback()
101 	phy_write(phydev, MII_BMCR, (bmcr | BMCR_PDOWN));  in ns_giga_speed_fallback()
104 	phy_write(phydev, NS_EXP_MEM_CTL, 0);  in ns_giga_speed_fallback()
105 	phy_write(phydev, NS_EXP_MEM_ADD, 0x1C0);  in ns_giga_speed_fallback()
106 	phy_write(phydev, NS_EXP_MEM_DATA, 0x0008);  in ns_giga_speed_fallback()
107 	phy_write(phydev, MII_BMCR, (bmcr & ~BMCR_PDOWN));  in ns_giga_speed_fallback()
108 	phy_write(phydev, LED_CTRL_REG, mode);  in ns_giga_speed_fallback()
111 static void ns_10_base_t_hdx_loopack(struct phy_device *phydev, int disable)  in ns_10_base_t_hdx_loopack()  argument
114 		ns_exp_write(phydev, 0x1c0, ns_exp_read(phydev, 0x1c0) | 1);  in ns_10_base_t_hdx_loopack()
116 		ns_exp_write(phydev, 0x1c0,  in ns_10_base_t_hdx_loopack()
117 			     ns_exp_read(phydev, 0x1c0) & 0xfffe);  in ns_10_base_t_hdx_loopack()
120 		 (ns_exp_read(phydev, 0x1c0) & 0x0001) ? "off" : "on");  in ns_10_base_t_hdx_loopack()
123 static int ns_config_init(struct phy_device *phydev)  in ns_config_init()  argument
125 	ns_giga_speed_fallback(phydev, ALL_FALLBACK_ON);  in ns_config_init()
128 	ns_10_base_t_hdx_loopack(phydev, hdx_loopback_off);  in ns_config_init()
129 	return ns_ack_interrupt(phydev);  in ns_config_init()