diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/phy/national.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/phy/national.c | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/ANDROID_3.4.5/drivers/net/phy/national.c b/ANDROID_3.4.5/drivers/net/phy/national.c deleted file mode 100644 index 04bb8fcc..00000000 --- a/ANDROID_3.4.5/drivers/net/phy/national.c +++ /dev/null @@ -1,164 +0,0 @@ -/* - * drivers/net/phy/national.c - * - * Driver for National Semiconductor PHYs - * - * Author: Stuart Menefy <stuart.menefy@st.com> - * Maintainer: Giuseppe Cavallaro <peppe.cavallaro@st.com> - * - * Copyright (c) 2008 STMicroelectronics Limited - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/mii.h> -#include <linux/ethtool.h> -#include <linux/phy.h> -#include <linux/netdevice.h> - -/* DP83865 phy identifier values */ -#define DP83865_PHY_ID 0x20005c7a - -#define DP83865_INT_STATUS 0x14 -#define DP83865_INT_MASK 0x15 -#define DP83865_INT_CLEAR 0x17 - -#define DP83865_INT_REMOTE_FAULT 0x0008 -#define DP83865_INT_ANE_COMPLETED 0x0010 -#define DP83865_INT_LINK_CHANGE 0xe000 -#define DP83865_INT_MASK_DEFAULT (DP83865_INT_REMOTE_FAULT | \ - DP83865_INT_ANE_COMPLETED | \ - DP83865_INT_LINK_CHANGE) - -/* Advanced proprietary configuration */ -#define NS_EXP_MEM_CTL 0x16 -#define NS_EXP_MEM_DATA 0x1d -#define NS_EXP_MEM_ADD 0x1e - -#define LED_CTRL_REG 0x13 -#define AN_FALLBACK_AN 0x0001 -#define AN_FALLBACK_CRC 0x0002 -#define AN_FALLBACK_IE 0x0004 -#define ALL_FALLBACK_ON (AN_FALLBACK_AN | AN_FALLBACK_CRC | AN_FALLBACK_IE) - -enum hdx_loopback { - hdx_loopback_on = 0, - hdx_loopback_off = 1, -}; - -static u8 ns_exp_read(struct phy_device *phydev, u16 reg) -{ - phy_write(phydev, NS_EXP_MEM_ADD, reg); - return phy_read(phydev, NS_EXP_MEM_DATA); -} - -static void ns_exp_write(struct phy_device *phydev, u16 reg, u8 data) -{ - phy_write(phydev, NS_EXP_MEM_ADD, reg); - phy_write(phydev, NS_EXP_MEM_DATA, data); -} - -static int ns_config_intr(struct phy_device *phydev) -{ - int err; - - if (phydev->interrupts == PHY_INTERRUPT_ENABLED) - err = phy_write(phydev, DP83865_INT_MASK, - DP83865_INT_MASK_DEFAULT); - else - err = phy_write(phydev, DP83865_INT_MASK, 0); - - return err; -} - -static int ns_ack_interrupt(struct phy_device *phydev) -{ - int ret = phy_read(phydev, DP83865_INT_STATUS); - if (ret < 0) - return ret; - - /* Clear the interrupt status bit by writing a “1” - * to the corresponding bit in INT_CLEAR (2:0 are reserved) */ - ret = phy_write(phydev, DP83865_INT_CLEAR, ret & ~0x7); - - return ret; -} - -static void ns_giga_speed_fallback(struct phy_device *phydev, int mode) -{ - int bmcr = phy_read(phydev, MII_BMCR); - - phy_write(phydev, MII_BMCR, (bmcr | BMCR_PDOWN)); - - /* Enable 8 bit expended memory read/write (no auto increment) */ - phy_write(phydev, NS_EXP_MEM_CTL, 0); - phy_write(phydev, NS_EXP_MEM_ADD, 0x1C0); - phy_write(phydev, NS_EXP_MEM_DATA, 0x0008); - phy_write(phydev, MII_BMCR, (bmcr & ~BMCR_PDOWN)); - phy_write(phydev, LED_CTRL_REG, mode); -} - -static void ns_10_base_t_hdx_loopack(struct phy_device *phydev, int disable) -{ - if (disable) - ns_exp_write(phydev, 0x1c0, ns_exp_read(phydev, 0x1c0) | 1); - else - ns_exp_write(phydev, 0x1c0, - ns_exp_read(phydev, 0x1c0) & 0xfffe); - - printk(KERN_DEBUG "DP83865 PHY: 10BASE-T HDX loopback %s\n", - (ns_exp_read(phydev, 0x1c0) & 0x0001) ? "off" : "on"); -} - -static int ns_config_init(struct phy_device *phydev) -{ - ns_giga_speed_fallback(phydev, ALL_FALLBACK_ON); - /* In the latest MAC or switches design, the 10 Mbps loopback - is desired to be turned off. */ - ns_10_base_t_hdx_loopack(phydev, hdx_loopback_off); - return ns_ack_interrupt(phydev); -} - -static struct phy_driver dp83865_driver = { - .phy_id = DP83865_PHY_ID, - .phy_id_mask = 0xfffffff0, - .name = "NatSemi DP83865", - .features = PHY_GBIT_FEATURES | SUPPORTED_Pause | SUPPORTED_Asym_Pause, - .flags = PHY_HAS_INTERRUPT, - .config_init = ns_config_init, - .config_aneg = genphy_config_aneg, - .read_status = genphy_read_status, - .ack_interrupt = ns_ack_interrupt, - .config_intr = ns_config_intr, - .driver = {.owner = THIS_MODULE,} -}; - -static int __init ns_init(void) -{ - return phy_driver_register(&dp83865_driver); -} - -static void __exit ns_exit(void) -{ - phy_driver_unregister(&dp83865_driver); -} - -MODULE_DESCRIPTION("NatSemi PHY driver"); -MODULE_AUTHOR("Stuart Menefy"); -MODULE_LICENSE("GPL"); - -module_init(ns_init); -module_exit(ns_exit); - -static struct mdio_device_id __maybe_unused ns_tbl[] = { - { DP83865_PHY_ID, 0xfffffff0 }, - { } -}; - -MODULE_DEVICE_TABLE(mdio, ns_tbl); |