diff options
Diffstat (limited to 'drivers/net/phy')
-rw-r--r-- | drivers/net/phy/Kconfig | 23 | ||||
-rw-r--r-- | drivers/net/phy/Makefile | 5 | ||||
-rw-r--r-- | drivers/net/phy/broadcom.c | 216 | ||||
-rw-r--r-- | drivers/net/phy/et1011c.c | 113 | ||||
-rw-r--r-- | drivers/net/phy/mdio-gpio.c | 296 | ||||
-rw-r--r-- | drivers/net/phy/mdio-ofgpio.c | 204 | ||||
-rw-r--r-- | drivers/net/phy/mdio_bus.c | 40 | ||||
-rw-r--r-- | drivers/net/phy/national.c | 155 | ||||
-rw-r--r-- | drivers/net/phy/phy.c | 2 | ||||
-rw-r--r-- | drivers/net/phy/phy_device.c | 54 | ||||
-rw-r--r-- | drivers/net/phy/smsc.c | 28 | ||||
-rw-r--r-- | drivers/net/phy/ste10Xp.c | 137 |
12 files changed, 999 insertions, 274 deletions
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index d55932acd887..de9cf5136fdc 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -66,6 +66,22 @@ config REALTEK_PHY ---help--- Supports the Realtek 821x PHY. +config NATIONAL_PHY + tristate "Drivers for National Semiconductor PHYs" + ---help--- + Currently supports the DP83865 PHY. + +config STE10XP + depends on PHYLIB + tristate "Driver for STMicroelectronics STe10Xp PHYs" + ---help--- + This is the driver for the STe100p and STe101p PHYs. + +config LSI_ET1011C_PHY + tristate "Driver for LSI ET1011C PHY" + ---help--- + Supports the LSI ET1011C PHY. + config FIXED_PHY bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs" depends on PHYLIB=y @@ -84,10 +100,13 @@ config MDIO_BITBANG If in doubt, say N. -config MDIO_OF_GPIO +config MDIO_GPIO tristate "Support for GPIO lib-based bitbanged MDIO buses" - depends on MDIO_BITBANG && OF_GPIO + depends on MDIO_BITBANG && GENERIC_GPIO ---help--- Supports GPIO lib-based MDIO busses. + To compile this driver as a module, choose M here: the module + will be called mdio-gpio. + endif # PHYLIB diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile index eee329fa6f53..3a1bfefefbc3 100644 --- a/drivers/net/phy/Makefile +++ b/drivers/net/phy/Makefile @@ -13,6 +13,9 @@ obj-$(CONFIG_VITESSE_PHY) += vitesse.o obj-$(CONFIG_BROADCOM_PHY) += broadcom.o obj-$(CONFIG_ICPLUS_PHY) += icplus.o obj-$(CONFIG_REALTEK_PHY) += realtek.o +obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o obj-$(CONFIG_FIXED_PHY) += fixed.o obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o -obj-$(CONFIG_MDIO_OF_GPIO) += mdio-ofgpio.o +obj-$(CONFIG_MDIO_GPIO) += mdio-gpio.o +obj-$(CONFIG_NATIONAL_PHY) += national.o +obj-$(CONFIG_STE10XP) += ste10Xp.o diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c index 4b4dc98ad165..190efc3301c6 100644 --- a/drivers/net/phy/broadcom.c +++ b/drivers/net/phy/broadcom.c @@ -17,6 +17,8 @@ #include <linux/module.h> #include <linux/phy.h> +#define PHY_ID_BCM50610 0x0143bd60 + #define MII_BCM54XX_ECR 0x10 /* BCM54xx extended control register */ #define MII_BCM54XX_ECR_IM 0x1000 /* Interrupt mask */ #define MII_BCM54XX_ECR_IF 0x0800 /* Interrupt force */ @@ -54,6 +56,21 @@ #define MII_BCM54XX_SHD_DATA(x) ((x & 0x3ff) << 0) /* + * AUXILIARY CONTROL SHADOW ACCESS REGISTERS. (PHY REG 0x18) + */ +#define MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL 0x0000 +#define MII_BCM54XX_AUXCTL_ACTL_TX_6DB 0x0400 +#define MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA 0x0800 + +#define MII_BCM54XX_AUXCTL_MISC_WREN 0x8000 +#define MII_BCM54XX_AUXCTL_MISC_FORCE_AMDIX 0x0200 +#define MII_BCM54XX_AUXCTL_MISC_RDSEL_MISC 0x7000 +#define MII_BCM54XX_AUXCTL_SHDWSEL_MISC 0x0007 + +#define MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL 0x0000 + + +/* * Broadcom LED source encodings. These are used in BCM5461, BCM5481, * BCM5482, and possibly some others. */ @@ -88,6 +105,24 @@ #define BCM5482_SHD_MODE_1000BX 0x0001 /* Enable 1000BASE-X registers */ /* + * EXPANSION SHADOW ACCESS REGISTERS. (PHY REG 0x15, 0x16, and 0x17) + */ +#define MII_BCM54XX_EXP_AADJ1CH0 0x001f +#define MII_BCM54XX_EXP_AADJ1CH0_SWP_ABCD_OEN 0x0200 +#define MII_BCM54XX_EXP_AADJ1CH0_SWSEL_THPF 0x0100 +#define MII_BCM54XX_EXP_AADJ1CH3 0x601f +#define MII_BCM54XX_EXP_AADJ1CH3_ADCCKADJ 0x0002 +#define MII_BCM54XX_EXP_EXP08 0x0F08 +#define MII_BCM54XX_EXP_EXP08_RJCT_2MHZ 0x0001 +#define MII_BCM54XX_EXP_EXP08_EARLY_DAC_WAKE 0x0200 +#define MII_BCM54XX_EXP_EXP75 0x0f75 +#define MII_BCM54XX_EXP_EXP75_VDACCTRL 0x003c +#define MII_BCM54XX_EXP_EXP96 0x0f96 +#define MII_BCM54XX_EXP_EXP96_MYST 0x0010 +#define MII_BCM54XX_EXP_EXP97 0x0f97 +#define MII_BCM54XX_EXP_EXP97_MYST 0x0c0c + +/* * BCM5482: Secondary SerDes registers */ #define BCM5482_SSD_1000BX_CTL 0x00 /* 1000BASE-X Control */ @@ -128,40 +163,93 @@ static int bcm54xx_shadow_write(struct phy_device *phydev, u16 shadow, u16 val) MII_BCM54XX_SHD_DATA(val)); } -/* - * Indirect register access functions for the Expansion Registers - * and Secondary SerDes registers (when sec_serdes=1). - */ -static int bcm54xx_exp_read(struct phy_device *phydev, - int sec_serdes, u8 regnum) +/* Indirect register access functions for the Expansion Registers */ +static int bcm54xx_exp_read(struct phy_device *phydev, u8 regnum) { int val; - phy_write(phydev, MII_BCM54XX_EXP_SEL, - (sec_serdes ? MII_BCM54XX_EXP_SEL_SSD : - MII_BCM54XX_EXP_SEL_ER) | - regnum); + val = phy_write(phydev, MII_BCM54XX_EXP_SEL, regnum); + if (val < 0) + return val; + val = phy_read(phydev, MII_BCM54XX_EXP_DATA); - phy_write(phydev, MII_BCM54XX_EXP_SEL, regnum); + + /* Restore default value. It's O.K. if this write fails. */ + phy_write(phydev, MII_BCM54XX_EXP_SEL, 0); return val; } -static int bcm54xx_exp_write(struct phy_device *phydev, - int sec_serdes, u8 regnum, u16 val) +static int bcm54xx_exp_write(struct phy_device *phydev, u16 regnum, u16 val) { int ret; - phy_write(phydev, MII_BCM54XX_EXP_SEL, - (sec_serdes ? MII_BCM54XX_EXP_SEL_SSD : - MII_BCM54XX_EXP_SEL_ER) | - regnum); + ret = phy_write(phydev, MII_BCM54XX_EXP_SEL, regnum); + if (ret < 0) + return ret; + ret = phy_write(phydev, MII_BCM54XX_EXP_DATA, val); - phy_write(phydev, MII_BCM54XX_EXP_SEL, regnum); + + /* Restore default value. It's O.K. if this write fails. */ + phy_write(phydev, MII_BCM54XX_EXP_SEL, 0); return ret; } +static int bcm54xx_auxctl_write(struct phy_device *phydev, u16 regnum, u16 val) +{ + return phy_write(phydev, MII_BCM54XX_AUX_CTL, regnum | val); +} + +static int bcm50610_a0_workaround(struct phy_device *phydev) +{ + int err; + + err = bcm54xx_auxctl_write(phydev, + MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL, + MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA | + MII_BCM54XX_AUXCTL_ACTL_TX_6DB); + if (err < 0) + return err; + + err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP08, + MII_BCM54XX_EXP_EXP08_RJCT_2MHZ | + MII_BCM54XX_EXP_EXP08_EARLY_DAC_WAKE); + if (err < 0) + goto error; + + err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_AADJ1CH0, + MII_BCM54XX_EXP_AADJ1CH0_SWP_ABCD_OEN | + MII_BCM54XX_EXP_AADJ1CH0_SWSEL_THPF); + if (err < 0) + goto error; + + err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_AADJ1CH3, + MII_BCM54XX_EXP_AADJ1CH3_ADCCKADJ); + if (err < 0) + goto error; + + err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP75, + MII_BCM54XX_EXP_EXP75_VDACCTRL); + if (err < 0) + goto error; + + err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP96, + MII_BCM54XX_EXP_EXP96_MYST); + if (err < 0) + goto error; + + err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP97, + MII_BCM54XX_EXP_EXP97_MYST); + +error: + bcm54xx_auxctl_write(phydev, + MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL, + MII_BCM54XX_AUXCTL_ACTL_TX_6DB); + + return err; +} + static int bcm54xx_config_init(struct phy_device *phydev) { int reg, err; @@ -183,6 +271,13 @@ static int bcm54xx_config_init(struct phy_device *phydev) err = phy_write(phydev, MII_BCM54XX_IMR, reg); if (err < 0) return err; + + if (phydev->drv->phy_id == PHY_ID_BCM50610) { + err = bcm50610_a0_workaround(phydev); + if (err < 0) + return err; + } + return 0; } @@ -205,18 +300,27 @@ static int bcm5482_config_init(struct phy_device *phydev) /* * Enable SGMII slave mode and auto-detection */ - reg = bcm54xx_exp_read(phydev, 1, BCM5482_SSD_SGMII_SLAVE); - bcm54xx_exp_write(phydev, 1, BCM5482_SSD_SGMII_SLAVE, - reg | - BCM5482_SSD_SGMII_SLAVE_EN | - BCM5482_SSD_SGMII_SLAVE_AD); + reg = BCM5482_SSD_SGMII_SLAVE | MII_BCM54XX_EXP_SEL_SSD; + err = bcm54xx_exp_read(phydev, reg); + if (err < 0) + return err; + err = bcm54xx_exp_write(phydev, reg, err | + BCM5482_SSD_SGMII_SLAVE_EN | + BCM5482_SSD_SGMII_SLAVE_AD); + if (err < 0) + return err; /* * Disable secondary SerDes powerdown */ - reg = bcm54xx_exp_read(phydev, 1, BCM5482_SSD_1000BX_CTL); - bcm54xx_exp_write(phydev, 1, BCM5482_SSD_1000BX_CTL, - reg & ~BCM5482_SSD_1000BX_CTL_PWRDOWN); + reg = BCM5482_SSD_1000BX_CTL | MII_BCM54XX_EXP_SEL_SSD; + err = bcm54xx_exp_read(phydev, reg); + if (err < 0) + return err; + err = bcm54xx_exp_write(phydev, reg, + err & ~BCM5482_SSD_1000BX_CTL_PWRDOWN); + if (err < 0) + return err; /* * Select 1000BASE-X register set (primary SerDes) @@ -335,7 +439,8 @@ static struct phy_driver bcm5411_driver = { .phy_id = 0x00206070, .phy_id_mask = 0xfffffff0, .name = "Broadcom BCM5411", - .features = PHY_GBIT_FEATURES, + .features = PHY_GBIT_FEATURES | + SUPPORTED_Pause | SUPPORTED_Asym_Pause, .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, .config_init = bcm54xx_config_init, .config_aneg = genphy_config_aneg, @@ -349,7 +454,8 @@ static struct phy_driver bcm5421_driver = { .phy_id = 0x002060e0, .phy_id_mask = 0xfffffff0, .name = "Broadcom BCM5421", - .features = PHY_GBIT_FEATURES, + .features = PHY_GBIT_FEATURES | + SUPPORTED_Pause | SUPPORTED_Asym_Pause, .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, .config_init = bcm54xx_config_init, .config_aneg = genphy_config_aneg, @@ -363,7 +469,8 @@ static struct phy_driver bcm5461_driver = { .phy_id = 0x002060c0, .phy_id_mask = 0xfffffff0, .name = "Broadcom BCM5461", - .features = PHY_GBIT_FEATURES, + .features = PHY_GBIT_FEATURES | + SUPPORTED_Pause | SUPPORTED_Asym_Pause, .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, .config_init = bcm54xx_config_init, .config_aneg = genphy_config_aneg, @@ -377,7 +484,8 @@ static struct phy_driver bcm5464_driver = { .phy_id = 0x002060b0, .phy_id_mask = 0xfffffff0, .name = "Broadcom BCM5464", - .features = PHY_GBIT_FEATURES, + .features = PHY_GBIT_FEATURES | + SUPPORTED_Pause | SUPPORTED_Asym_Pause, .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, .config_init = bcm54xx_config_init, .config_aneg = genphy_config_aneg, @@ -391,7 +499,8 @@ static struct phy_driver bcm5481_driver = { .phy_id = 0x0143bca0, .phy_id_mask = 0xfffffff0, .name = "Broadcom BCM5481", - .features = PHY_GBIT_FEATURES, + .features = PHY_GBIT_FEATURES | + SUPPORTED_Pause | SUPPORTED_Asym_Pause, .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, .config_init = bcm54xx_config_init, .config_aneg = bcm5481_config_aneg, @@ -405,7 +514,8 @@ static struct phy_driver bcm5482_driver = { .phy_id = 0x0143bcb0, .phy_id_mask = 0xfffffff0, .name = "Broadcom BCM5482", - .features = PHY_GBIT_FEATURES, + .features = PHY_GBIT_FEATURES | + SUPPORTED_Pause | SUPPORTED_Asym_Pause, .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, .config_init = bcm5482_config_init, .config_aneg = genphy_config_aneg, @@ -415,6 +525,36 @@ static struct phy_driver bcm5482_driver = { .driver = { .owner = THIS_MODULE }, }; +static struct phy_driver bcm50610_driver = { + .phy_id = PHY_ID_BCM50610, + .phy_id_mask = 0xfffffff0, + .name = "Broadcom BCM50610", + .features = PHY_GBIT_FEATURES | + SUPPORTED_Pause | SUPPORTED_Asym_Pause, + .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, + .config_init = bcm54xx_config_init, + .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + .ack_interrupt = bcm54xx_ack_interrupt, + .config_intr = bcm54xx_config_intr, + .driver = { .owner = THIS_MODULE }, +}; + +static struct phy_driver bcm57780_driver = { + .phy_id = 0x03625d90, + .phy_id_mask = 0xfffffff0, + .name = "Broadcom BCM57780", + .features = PHY_GBIT_FEATURES | + SUPPORTED_Pause | SUPPORTED_Asym_Pause, + .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, + .config_init = bcm54xx_config_init, + .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + .ack_interrupt = bcm54xx_ack_interrupt, + .config_intr = bcm54xx_config_intr, + .driver = { .owner = THIS_MODULE }, +}; + static int __init broadcom_init(void) { int ret; @@ -437,8 +577,18 @@ static int __init broadcom_init(void) ret = phy_driver_register(&bcm5482_driver); if (ret) goto out_5482; + ret = phy_driver_register(&bcm50610_driver); + if (ret) + goto out_50610; + ret = phy_driver_register(&bcm57780_driver); + if (ret) + goto out_57780; return ret; +out_57780: + phy_driver_unregister(&bcm50610_driver); +out_50610: + phy_driver_unregister(&bcm5482_driver); out_5482: phy_driver_unregister(&bcm5481_driver); out_5481: @@ -455,6 +605,8 @@ out_5411: static void __exit broadcom_exit(void) { + phy_driver_unregister(&bcm57780_driver); + phy_driver_unregister(&bcm50610_driver); phy_driver_unregister(&bcm5482_driver); phy_driver_unregister(&bcm5481_driver); phy_driver_unregister(&bcm5464_driver); diff --git a/drivers/net/phy/et1011c.c b/drivers/net/phy/et1011c.c new file mode 100644 index 000000000000..b031fa21f1aa --- /dev/null +++ b/drivers/net/phy/et1011c.c @@ -0,0 +1,113 @@ +/* + * drivers/net/phy/et1011c.c + * + * Driver for LSI ET1011C PHYs + * + * Author: Chaithrika U S + * + * Copyright (c) 2008 Texas Instruments + * + * 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/string.h> +#include <linux/errno.h> +#include <linux/unistd.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/skbuff.h> +#include <linux/spinlock.h> +#include <linux/mm.h> +#include <linux/module.h> +#include <linux/mii.h> +#include <linux/ethtool.h> +#include <linux/phy.h> +#include <linux/io.h> +#include <linux/uaccess.h> +#include <asm/irq.h> + +#define ET1011C_STATUS_REG (0x1A) +#define ET1011C_CONFIG_REG (0x16) +#define ET1011C_SPEED_MASK (0x0300) +#define ET1011C_GIGABIT_SPEED (0x0200) +#define ET1011C_TX_FIFO_MASK (0x3000) +#define ET1011C_TX_FIFO_DEPTH_8 (0x0000) +#define ET1011C_TX_FIFO_DEPTH_16 (0x1000) +#define ET1011C_INTERFACE_MASK (0x0007) +#define ET1011C_GMII_INTERFACE (0x0002) +#define ET1011C_SYS_CLK_EN (0x01 << 4) + + +MODULE_DESCRIPTION("LSI ET1011C PHY driver"); +MODULE_AUTHOR("Chaithrika U S"); +MODULE_LICENSE("GPL"); + +static int et1011c_config_aneg(struct phy_device *phydev) +{ + int ctl = 0; + ctl = phy_read(phydev, MII_BMCR); + if (ctl < 0) + return ctl; + ctl &= ~(BMCR_FULLDPLX | BMCR_SPEED100 | BMCR_SPEED1000 | + BMCR_ANENABLE); + /* First clear the PHY */ + phy_write(phydev, MII_BMCR, ctl | BMCR_RESET); + + return genphy_config_aneg(phydev); +} + +static int et1011c_read_status(struct phy_device *phydev) +{ + int ret; + u32 val; + static int speed; + ret = genphy_read_status(phydev); + + if (speed != phydev->speed) { + speed = phydev->speed; + val = phy_read(phydev, ET1011C_STATUS_REG); + if ((val & ET1011C_SPEED_MASK) == + ET1011C_GIGABIT_SPEED) { + val = phy_read(phydev, ET1011C_CONFIG_REG); + val &= ~ET1011C_TX_FIFO_MASK; + phy_write(phydev, ET1011C_CONFIG_REG, val\ + | ET1011C_GMII_INTERFACE\ + | ET1011C_SYS_CLK_EN\ + | ET1011C_TX_FIFO_DEPTH_16); + + } + } + return ret; +} + +static struct phy_driver et1011c_driver = { + .phy_id = 0x0282f014, + .name = "ET1011C", + .phy_id_mask = 0xfffffff0, + .features = (PHY_BASIC_FEATURES | SUPPORTED_1000baseT_Full), + .flags = PHY_POLL, + .config_aneg = et1011c_config_aneg, + .read_status = et1011c_read_status, + .driver = { .owner = THIS_MODULE,}, +}; + +static int __init et1011c_init(void) +{ + return phy_driver_register(&et1011c_driver); +} + +static void __exit et1011c_exit(void) +{ + phy_driver_unregister(&et1011c_driver); +} + +module_init(et1011c_init); +module_exit(et1011c_exit); diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c new file mode 100644 index 000000000000..a439ebeb4319 --- /dev/null +++ b/drivers/net/phy/mdio-gpio.c @@ -0,0 +1,296 @@ +/* + * GPIO based MDIO bitbang driver. + * Supports OpenFirmware. + * + * Copyright (c) 2008 CSE Semaphore Belgium. + * by Laurent Pinchart <laurentp@cse-semaphore.com> + * + * Copyright (C) 2008, Paulius Zaleckas <paulius.zaleckas@teltonika.lt> + * + * Based on earlier work by + * + * Copyright (c) 2003 Intracom S.A. + * by Pantelis Antoniou <panto@intracom.gr> + * + * 2005 (c) MontaVista Software, Inc. + * Vitaly Bordug <vbordug@ru.mvista.com> + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/gpio.h> +#include <linux/mdio-gpio.h> + +#ifdef CONFIG_OF_GPIO +#include <linux/of_gpio.h> +#include <linux/of_platform.h> +#endif + +struct mdio_gpio_info { + struct mdiobb_ctrl ctrl; + int mdc, mdio; +}; + +static void mdio_dir(struct mdiobb_ctrl *ctrl, int dir) +{ + struct mdio_gpio_info *bitbang = + container_of(ctrl, struct mdio_gpio_info, ctrl); + + if (dir) + gpio_direction_output(bitbang->mdio, 1); + else + gpio_direction_input(bitbang->mdio); +} + +static int mdio_get(struct mdiobb_ctrl *ctrl) +{ + struct mdio_gpio_info *bitbang = + container_of(ctrl, struct mdio_gpio_info, ctrl); + + return gpio_get_value(bitbang->mdio); +} + +static void mdio_set(struct mdiobb_ctrl *ctrl, int what) +{ + struct mdio_gpio_info *bitbang = + container_of(ctrl, struct mdio_gpio_info, ctrl); + + gpio_set_value(bitbang->mdio, what); +} + +static void mdc_set(struct mdiobb_ctrl *ctrl, int what) +{ + struct mdio_gpio_info *bitbang = + container_of(ctrl, struct mdio_gpio_info, ctrl); + + gpio_set_value(bitbang->mdc, what); +} + +static struct mdiobb_ops mdio_gpio_ops = { + .owner = THIS_MODULE, + .set_mdc = mdc_set, + .set_mdio_dir = mdio_dir, + .set_mdio_data = mdio_set, + .get_mdio_data = mdio_get, +}; + +static int __devinit mdio_gpio_bus_init(struct device *dev, + struct mdio_gpio_platform_data *pdata, + int bus_id) +{ + struct mii_bus *new_bus; + struct mdio_gpio_info *bitbang; + int ret = -ENOMEM; + int i; + + bitbang = kzalloc(sizeof(*bitbang), GFP_KERNEL); + if (!bitbang) + goto out; + + bitbang->ctrl.ops = &mdio_gpio_ops; + bitbang->mdc = pdata->mdc; + bitbang->mdio = pdata->mdio; + + new_bus = alloc_mdio_bitbang(&bitbang->ctrl); + if (!new_bus) + goto out_free_bitbang; + + new_bus->name = "GPIO Bitbanged MDIO", + + ret = -ENODEV; + + new_bus->phy_mask = pdata->phy_mask; + new_bus->irq = pdata->irqs; + new_bus->parent = dev; + + if (new_bus->phy_mask == ~0) + goto out_free_bus; + + for (i = 0; i < PHY_MAX_ADDR; i++) + if (!new_bus->irq[i]) + new_bus->irq[i] = PHY_POLL; + + snprintf(new_bus->id, MII_BUS_ID_SIZE, "%x", bus_id); + + if (gpio_request(bitbang->mdc, "mdc")) + goto out_free_bus; + + if (gpio_request(bitbang->mdio, "mdio")) + goto out_free_mdc; + + dev_set_drvdata(dev, new_bus); + + ret = mdiobus_register(new_bus); + if (ret) + goto out_free_all; + + return 0; + +out_free_all: + dev_set_drvdata(dev, NULL); + gpio_free(bitbang->mdio); +out_free_mdc: + gpio_free(bitbang->mdc); +out_free_bus: + free_mdio_bitbang(new_bus); +out_free_bitbang: + kfree(bitbang); +out: + return ret; +} + +static void __devexit mdio_gpio_bus_destroy(struct device *dev) +{ + struct mii_bus *bus = dev_get_drvdata(dev); + struct mdio_gpio_info *bitbang = bus->priv; + + mdiobus_unregister(bus); + free_mdio_bitbang(bus); + dev_set_drvdata(dev, NULL); + gpio_free(bitbang->mdc); + gpio_free(bitbang->mdio); + kfree(bitbang); +} + +static int __devinit mdio_gpio_probe(struct platform_device *pdev) +{ + struct mdio_gpio_platform_data *pdata = pdev->dev.platform_data; + + if (!pdata) + return -ENODEV; + + return mdio_gpio_bus_init(&pdev->dev, pdata, pdev->id); +} + +static int __devexit mdio_gpio_remove(struct platform_device *pdev) +{ + mdio_gpio_bus_destroy(&pdev->dev); + + return 0; +} + +#ifdef CONFIG_OF_GPIO +static void __devinit add_phy(struct mdio_gpio_platform_data *pdata, + struct device_node *np) +{ + const u32 *data; + int len, id, irq; + + data = of_get_property(np, "reg", &len); + if (!data || len != 4) + return; + + id = *data; + pdata->phy_mask &= ~(1 << id); + + irq = of_irq_to_resource(np, 0, NULL); + if (irq) + pdata->irqs[id] = irq; +} + +static int __devinit mdio_ofgpio_probe(struct of_device *ofdev, + const struct of_device_id *match) +{ + struct device_node *np = NULL; + struct mdio_gpio_platform_data *pdata; + + pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); + if (!pdata) + return -ENOMEM; + + pdata->mdc = of_get_gpio(ofdev->node, 0); + pdata->mdio = of_get_gpio(ofdev->node, 1); + + if (pdata->mdc < 0 || pdata->mdio < 0) + goto out_free; + + while ((np = of_get_next_child(ofdev->node, np))) + if (!strcmp(np->type, "ethernet-phy")) + add_phy(pdata, np); + + return mdio_gpio_bus_init(&ofdev->dev, pdata, pdata->mdc); + +out_free: + kfree(pdata); + return -ENODEV; +} + +static int __devexit mdio_ofgpio_remove(struct of_device *ofdev) +{ + mdio_gpio_bus_destroy(&ofdev->dev); + kfree(ofdev->dev.platform_data); + + return 0; +} + +static struct of_device_id mdio_ofgpio_match[] = { + { + .compatible = "virtual,mdio-gpio", + }, + {}, +}; + +static struct of_platform_driver mdio_ofgpio_driver = { + .name = "mdio-gpio", + .match_table = mdio_ofgpio_match, + .probe = mdio_ofgpio_probe, + .remove = __devexit_p(mdio_ofgpio_remove), +}; + +static inline int __init mdio_ofgpio_init(void) +{ + return of_register_platform_driver(&mdio_ofgpio_driver); +} + +static inline void __exit mdio_ofgpio_exit(void) +{ + of_unregister_platform_driver(&mdio_ofgpio_driver); +} +#else +static inline int __init mdio_ofgpio_init(void) { return 0; } +static inline void __exit mdio_ofgpio_exit(void) { } +#endif /* CONFIG_OF_GPIO */ + +static struct platform_driver mdio_gpio_driver = { + .probe = mdio_gpio_probe, + .remove = __devexit_p(mdio_gpio_remove), + .driver = { + .name = "mdio-gpio", + .owner = THIS_MODULE, + }, +}; + +static int __init mdio_gpio_init(void) +{ + int ret; + + ret = mdio_ofgpio_init(); + if (ret) + return ret; + + ret = platform_driver_register(&mdio_gpio_driver); + if (ret) + mdio_ofgpio_exit(); + + return ret; +} +module_init(mdio_gpio_init); + +static void __exit mdio_gpio_exit(void) +{ + platform_driver_unregister(&mdio_gpio_driver); + mdio_ofgpio_exit(); +} +module_exit(mdio_gpio_exit); + +MODULE_ALIAS("platform:mdio-gpio"); +MODULE_AUTHOR("Laurent Pinchart, Paulius Zaleckas"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Generic driver for MDIO bus emulation using GPIO"); diff --git a/drivers/net/phy/mdio-ofgpio.c b/drivers/net/phy/mdio-ofgpio.c deleted file mode 100644 index 2ff97754e574..000000000000 --- a/drivers/net/phy/mdio-ofgpio.c +++ /dev/null @@ -1,204 +0,0 @@ -/* - * OpenFirmware GPIO based MDIO bitbang driver. - * - * Copyright (c) 2008 CSE Semaphore Belgium. - * by Laurent Pinchart <laurentp@cse-semaphore.com> - * - * Based on earlier work by - * - * Copyright (c) 2003 Intracom S.A. - * by Pantelis Antoniou <panto@intracom.gr> - * - * 2005 (c) MontaVista Software, Inc. - * Vitaly Bordug <vbordug@ru.mvista.com> - * - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of any - * kind, whether express or implied. - */ - -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/mdio-bitbang.h> -#include <linux/of_gpio.h> -#include <linux/of_platform.h> - -struct mdio_gpio_info { - struct mdiobb_ctrl ctrl; - int mdc, mdio; -}; - -static void mdio_dir(struct mdiobb_ctrl *ctrl, int dir) -{ - struct mdio_gpio_info *bitbang = - container_of(ctrl, struct mdio_gpio_info, ctrl); - - if (dir) - gpio_direction_output(bitbang->mdio, 1); - else - gpio_direction_input(bitbang->mdio); -} - -static int mdio_read(struct mdiobb_ctrl *ctrl) -{ - struct mdio_gpio_info *bitbang = - container_of(ctrl, struct mdio_gpio_info, ctrl); - - return gpio_get_value(bitbang->mdio); -} - -static void mdio(struct mdiobb_ctrl *ctrl, int what) -{ - struct mdio_gpio_info *bitbang = - container_of(ctrl, struct mdio_gpio_info, ctrl); - - gpio_set_value(bitbang->mdio, what); -} - -static void mdc(struct mdiobb_ctrl *ctrl, int what) -{ - struct mdio_gpio_info *bitbang = - container_of(ctrl, struct mdio_gpio_info, ctrl); - - gpio_set_value(bitbang->mdc, what); -} - -static struct mdiobb_ops mdio_gpio_ops = { - .owner = THIS_MODULE, - .set_mdc = mdc, - .set_mdio_dir = mdio_dir, - .set_mdio_data = mdio, - .get_mdio_data = mdio_read, -}; - -static int __devinit mdio_ofgpio_bitbang_init(struct mii_bus *bus, - struct device_node *np) -{ - struct mdio_gpio_info *bitbang = bus->priv; - - bitbang->mdc = of_get_gpio(np, 0); - bitbang->mdio = of_get_gpio(np, 1); - - if (bitbang->mdc < 0 || bitbang->mdio < 0) - return -ENODEV; - - snprintf(bus->id, MII_BUS_ID_SIZE, "%x", bitbang->mdc); - return 0; -} - -static void __devinit add_phy(struct mii_bus *bus, struct device_node *np) -{ - const u32 *data; - int len, id, irq; - - data = of_get_property(np, "reg", &len); - if (!data || len != 4) - return; - - id = *data; - bus->phy_mask &= ~(1 << id); - - irq = of_irq_to_resource(np, 0, NULL); - if (irq != NO_IRQ) - bus->irq[id] = irq; -} - -static int __devinit mdio_ofgpio_probe(struct of_device *ofdev, - const struct of_device_id *match) -{ - struct device_node *np = NULL; - struct mii_bus *new_bus; - struct mdio_gpio_info *bitbang; - int ret = -ENOMEM; - int i; - - bitbang = kzalloc(sizeof(struct mdio_gpio_info), GFP_KERNEL); - if (!bitbang) - goto out; - - bitbang->ctrl.ops = &mdio_gpio_ops; - - new_bus = alloc_mdio_bitbang(&bitbang->ctrl); - if (!new_bus) - goto out_free_bitbang; - - new_bus->name = "GPIO Bitbanged MII", - - ret = mdio_ofgpio_bitbang_init(new_bus, ofdev->node); - if (ret) - goto out_free_bus; - - new_bus->phy_mask = ~0; - new_bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL); - if (!new_bus->irq) - goto out_free_bus; - - for (i = 0; i < PHY_MAX_ADDR; i++) - new_bus->irq[i] = -1; - - while ((np = of_get_next_child(ofdev->node, np))) - if (!strcmp(np->type, "ethernet-phy")) - add_phy(new_bus, np); - - new_bus->parent = &ofdev->dev; - dev_set_drvdata(&ofdev->dev, new_bus); - - ret = mdiobus_register(new_bus); - if (ret) - goto out_free_irqs; - - return 0; - -out_free_irqs: - dev_set_drvdata(&ofdev->dev, NULL); - kfree(new_bus->irq); -out_free_bus: - free_mdio_bitbang(new_bus); -out_free_bitbang: - kfree(bitbang); -out: - return ret; -} - -static int mdio_ofgpio_remove(struct of_device *ofdev) -{ - struct mii_bus *bus = dev_get_drvdata(&ofdev->dev); - struct mdio_gpio_info *bitbang = bus->priv; - - mdiobus_unregister(bus); - kfree(bus->irq); - free_mdio_bitbang(bus); - dev_set_drvdata(&ofdev->dev, NULL); - kfree(bitbang); - - return 0; -} - -static struct of_device_id mdio_ofgpio_match[] = { - { - .compatible = "virtual,mdio-gpio", - }, - {}, -}; - -static struct of_platform_driver mdio_ofgpio_driver = { - .name = "mdio-gpio", - .match_table = mdio_ofgpio_match, - .probe = mdio_ofgpio_probe, - .remove = mdio_ofgpio_remove, -}; - -static int mdio_ofgpio_init(void) -{ - return of_register_platform_driver(&mdio_ofgpio_driver); -} - -static void mdio_ofgpio_exit(void) -{ - of_unregister_platform_driver(&mdio_ofgpio_driver); -} - -module_init(mdio_ofgpio_init); -module_exit(mdio_ofgpio_exit); diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 289fc267edf3..11adf6ed4628 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -63,7 +63,9 @@ EXPORT_SYMBOL(mdiobus_alloc); static void mdiobus_release(struct device *d) { struct mii_bus *bus = to_mii_bus(d); - BUG_ON(bus->state != MDIOBUS_RELEASED); + BUG_ON(bus->state != MDIOBUS_RELEASED && + /* for compatibility with error handling in drivers */ + bus->state != MDIOBUS_ALLOCATED); kfree(bus); } @@ -83,8 +85,7 @@ static struct class mdio_bus_class = { */ int mdiobus_register(struct mii_bus *bus) { - int i; - int err = 0; + int i, err; if (NULL == bus || NULL == bus->name || NULL == bus->read || @@ -97,7 +98,7 @@ int mdiobus_register(struct mii_bus *bus) bus->dev.parent = bus->parent; bus->dev.class = &mdio_bus_class; bus->dev.groups = NULL; - memcpy(bus->dev.bus_id, bus->id, MII_BUS_ID_SIZE); + dev_set_name(&bus->dev, bus->id); err = device_register(&bus->dev); if (err) { @@ -116,16 +117,23 @@ int mdiobus_register(struct mii_bus *bus) struct phy_device *phydev; phydev = mdiobus_scan(bus, i); - if (IS_ERR(phydev)) + if (IS_ERR(phydev)) { err = PTR_ERR(phydev); + goto error; + } } } - if (!err) - bus->state = MDIOBUS_REGISTERED; - + bus->state = MDIOBUS_REGISTERED; pr_info("%s: probed\n", bus->name); + return 0; +error: + while (--i >= 0) { + if (bus->phy_map[i]) + device_unregister(&bus->phy_map[i]->dev); + } + device_del(&bus->dev); return err; } EXPORT_SYMBOL(mdiobus_register); @@ -192,7 +200,7 @@ struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr) phydev->dev.parent = bus->parent; phydev->dev.bus = &mdio_bus_type; - snprintf(phydev->dev.bus_id, BUS_ID_SIZE, PHY_ID_FMT, bus->id, addr); + dev_set_name(&phydev->dev, PHY_ID_FMT, bus->id, addr); phydev->bus = bus; @@ -285,9 +293,12 @@ static int mdio_bus_suspend(struct device * dev, pm_message_t state) { int ret = 0; struct device_driver *drv = dev->driver; + struct phy_driver *phydrv = to_phy_driver(drv); + struct phy_device *phydev = to_phy_device(dev); - if (drv && drv->suspend) - ret = drv->suspend(dev, state); + if ((!device_may_wakeup(phydev->dev.parent)) && + (phydrv && phydrv->suspend)) + ret = phydrv->suspend(phydev); return ret; } @@ -296,9 +307,12 @@ static int mdio_bus_resume(struct device * dev) { int ret = 0; struct device_driver *drv = dev->driver; + struct phy_driver *phydrv = to_phy_driver(drv); + struct phy_device *phydev = to_phy_device(dev); - if (drv && drv->resume) - ret = drv->resume(dev); + if ((!device_may_wakeup(phydev->dev.parent)) && + (phydrv && phydrv->resume)) + ret = phydrv->resume(phydev); return ret; } diff --git a/drivers/net/phy/national.c b/drivers/net/phy/national.c new file mode 100644 index 000000000000..6c636eb72089 --- /dev/null +++ b/drivers/net/phy/national.c @@ -0,0 +1,155 @@ +/* + * 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_MASK_REG 0x15 +#define DP83865_INT_MASK_STATUS 0x14 + +#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_REG, + DP83865_INT_MASK_DEFAULT); + else + err = phy_write(phydev, DP83865_INT_MASK_REG, 0); + + return err; +} + +static int ns_ack_interrupt(struct phy_device *phydev) +{ + int ret = phy_read(phydev, DP83865_INT_MASK_STATUS); + if (ret < 0) + return ret; + + return 0; +} + +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); + return; +} + +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"); + + return; +} + +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); diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index df4e6257d4a7..e4ede6080c9d 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -45,7 +45,7 @@ */ void phy_print_status(struct phy_device *phydev) { - pr_info("PHY: %s - Link is %s", phydev->dev.bus_id, + pr_info("PHY: %s - Link is %s", dev_name(&phydev->dev), phydev->link ? "Up" : "Down"); if (phydev->link) printk(" - %d/%s", phydev->speed, diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 25acbbde4a60..e35460165bf7 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -74,7 +74,7 @@ int phy_register_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask, if (!fixup) return -ENOMEM; - strncpy(fixup->bus_id, bus_id, BUS_ID_SIZE); + strlcpy(fixup->bus_id, bus_id, sizeof(fixup->bus_id)); fixup->phy_uid = phy_uid; fixup->phy_uid_mask = phy_uid_mask; fixup->run = run; @@ -109,7 +109,7 @@ EXPORT_SYMBOL(phy_register_fixup_for_id); */ static int phy_needs_fixup(struct phy_device *phydev, struct phy_fixup *fixup) { - if (strcmp(fixup->bus_id, phydev->dev.bus_id) != 0) + if (strcmp(fixup->bus_id, dev_name(&phydev->dev)) != 0) if (strcmp(fixup->bus_id, PHY_ANY_ID) != 0) return 0; @@ -232,7 +232,7 @@ struct phy_device * get_phy_device(struct mii_bus *bus, int addr) return NULL; /* - * Broken hardware is sometimes missing the pull down resistor on the + * Broken hardware is sometimes missing the pull-up resistor on the * MDIO line, which results in reads to non-existent devices returning * 0 rather than 0xffff. Catch this here and treat 0 as a non-existent * device as well. @@ -517,23 +517,6 @@ int genphy_setup_forced(struct phy_device *phydev) err = phy_write(phydev, MII_BMCR, ctl); - if (err < 0) - return err; - - /* - * Run the fixups on this PHY, just in case the - * board code needs to change something after a reset - */ - err = phy_scan_fixups(phydev); - - if (err < 0) - return err; - - /* We just reset the device, so we'd better configure any - * settings the PHY requires to operate */ - if (phydev->drv->config_init) - err = phydev->drv->config_init(phydev); - return err; } @@ -779,7 +762,35 @@ static int genphy_config_init(struct phy_device *phydev) return 0; } +int genphy_suspend(struct phy_device *phydev) +{ + int value; + mutex_lock(&phydev->lock); + + value = phy_read(phydev, MII_BMCR); + phy_write(phydev, MII_BMCR, (value | BMCR_PDOWN)); + + mutex_unlock(&phydev->lock); + + return 0; +} +EXPORT_SYMBOL(genphy_suspend); + +int genphy_resume(struct phy_device *phydev) +{ + int value; + + mutex_lock(&phydev->lock); + + value = phy_read(phydev, MII_BMCR); + phy_write(phydev, MII_BMCR, (value & ~BMCR_PDOWN)); + + mutex_unlock(&phydev->lock); + + return 0; +} +EXPORT_SYMBOL(genphy_resume); /** * phy_probe - probe and init a PHY device @@ -855,7 +866,6 @@ int phy_driver_register(struct phy_driver *new_driver) { int retval; - memset(&new_driver->driver, 0, sizeof(new_driver->driver)); new_driver->driver.name = new_driver->name; new_driver->driver.bus = &mdio_bus_type; new_driver->driver.probe = phy_probe; @@ -890,6 +900,8 @@ static struct phy_driver genphy_driver = { .features = 0, .config_aneg = genphy_config_aneg, .read_status = genphy_read_status, + .suspend = genphy_suspend, + .resume = genphy_resume, .driver = {.owner= THIS_MODULE, }, }; diff --git a/drivers/net/phy/smsc.c b/drivers/net/phy/smsc.c index 73baa7a3bb0e..c05d38d46350 100644 --- a/drivers/net/phy/smsc.c +++ b/drivers/net/phy/smsc.c @@ -126,6 +126,27 @@ static struct phy_driver lan8700_driver = { .driver = { .owner = THIS_MODULE, } }; +static struct phy_driver lan911x_int_driver = { + .phy_id = 0x0007c0d0, /* OUI=0x00800f, Model#=0x0d */ + .phy_id_mask = 0xfffffff0, + .name = "SMSC LAN911x Internal PHY", + + .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause + | SUPPORTED_Asym_Pause), + .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, + + /* basic functions */ + .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + .config_init = smsc_phy_config_init, + + /* IRQ related */ + .ack_interrupt = smsc_phy_ack_interrupt, + .config_intr = smsc_phy_config_intr, + + .driver = { .owner = THIS_MODULE, } +}; + static int __init smsc_init(void) { int ret; @@ -142,8 +163,14 @@ static int __init smsc_init(void) if (ret) goto err3; + ret = phy_driver_register (&lan911x_int_driver); + if (ret) + goto err4; + return 0; +err4: + phy_driver_unregister (&lan8700_driver); err3: phy_driver_unregister (&lan8187_driver); err2: @@ -154,6 +181,7 @@ err1: static void __exit smsc_exit(void) { + phy_driver_unregister (&lan911x_int_driver); phy_driver_unregister (&lan8700_driver); phy_driver_unregister (&lan8187_driver); phy_driver_unregister (&lan83c185_driver); diff --git a/drivers/net/phy/ste10Xp.c b/drivers/net/phy/ste10Xp.c new file mode 100644 index 000000000000..6bdb0d53aaf9 --- /dev/null +++ b/drivers/net/phy/ste10Xp.c @@ -0,0 +1,137 @@ +/* + * drivers/net/phy/ste10Xp.c + * + * Driver for STMicroelectronics STe10Xp PHYs + * + * Author: 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/module.h> +#include <linux/init.h> +#include <linux/sched.h> +#include <linux/kernel.h> +#include <linux/moduleparam.h> +#include <linux/interrupt.h> +#include <linux/netdevice.h> +#include <linux/ethtool.h> +#include <linux/mii.h> +#include <linux/phy.h> + +#define MII_XCIIS 0x11 /* Configuration Info IRQ & Status Reg */ +#define MII_XIE 0x12 /* Interrupt Enable Register */ +#define MII_XIE_DEFAULT_MASK 0x0070 /* ANE complete, Remote Fault, Link Down */ + +#define STE101P_PHY_ID 0x00061c50 +#define STE100P_PHY_ID 0x1c040011 + +static int ste10Xp_config_init(struct phy_device *phydev) +{ + int value, err; + + /* Software Reset PHY */ + value = phy_read(phydev, MII_BMCR); + if (value < 0) + return value; + + value |= BMCR_RESET; + err = phy_write(phydev, MII_BMCR, value); + if (err < 0) + return err; + + do { + value = phy_read(phydev, MII_BMCR); + } while (value & BMCR_RESET); + + return 0; +} + +static int ste10Xp_config_intr(struct phy_device *phydev) +{ + int err, value; + + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) { + /* Enable all STe101P interrupts (PR12) */ + err = phy_write(phydev, MII_XIE, MII_XIE_DEFAULT_MASK); + /* clear any pending interrupts */ + if (err == 0) { + value = phy_read(phydev, MII_XCIIS); + if (value < 0) + err = value; + } + } else + err = phy_write(phydev, MII_XIE, 0); + + return err; +} + +static int ste10Xp_ack_interrupt(struct phy_device *phydev) +{ + int err = phy_read(phydev, MII_XCIIS); + if (err < 0) + return err; + + return 0; +} + +static struct phy_driver ste101p_pdriver = { + .phy_id = STE101P_PHY_ID, + .phy_id_mask = 0xfffffff0, + .name = "STe101p", + .features = PHY_BASIC_FEATURES | SUPPORTED_Pause, + .flags = PHY_HAS_INTERRUPT, + .config_init = ste10Xp_config_init, + .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + .ack_interrupt = ste10Xp_ack_interrupt, + .config_intr = ste10Xp_config_intr, + .suspend = genphy_suspend, + .resume = genphy_resume, + .driver = {.owner = THIS_MODULE,} +}; + +static struct phy_driver ste100p_pdriver = { + .phy_id = STE100P_PHY_ID, + .phy_id_mask = 0xffffffff, + .name = "STe100p", + .features = PHY_BASIC_FEATURES | SUPPORTED_Pause, + .flags = PHY_HAS_INTERRUPT, + .config_init = ste10Xp_config_init, + .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + .ack_interrupt = ste10Xp_ack_interrupt, + .config_intr = ste10Xp_config_intr, + .suspend = genphy_suspend, + .resume = genphy_resume, + .driver = {.owner = THIS_MODULE,} +}; + +static int __init ste10Xp_init(void) +{ + int retval; + + retval = phy_driver_register(&ste100p_pdriver); + if (retval < 0) + return retval; + return phy_driver_register(&ste101p_pdriver); +} + +static void __exit ste10Xp_exit(void) +{ + phy_driver_unregister(&ste100p_pdriver); + phy_driver_unregister(&ste101p_pdriver); +} + +module_init(ste10Xp_init); +module_exit(ste10Xp_exit); + +MODULE_DESCRIPTION("STMicroelectronics STe10Xp PHY driver"); +MODULE_AUTHOR("Giuseppe Cavallaro <peppe.cavallaro@st.com>"); +MODULE_LICENSE("GPL"); |