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Diffstat (limited to 'tool/mbed/mbed-sdk/libraries/net/eth/lwip-eth/arch/TARGET_NXP/lpc_phy.h')
| -rw-r--r-- | tool/mbed/mbed-sdk/libraries/net/eth/lwip-eth/arch/TARGET_NXP/lpc_phy.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/tool/mbed/mbed-sdk/libraries/net/eth/lwip-eth/arch/TARGET_NXP/lpc_phy.h b/tool/mbed/mbed-sdk/libraries/net/eth/lwip-eth/arch/TARGET_NXP/lpc_phy.h new file mode 100644 index 000000000..fa53656a7 --- /dev/null +++ b/tool/mbed/mbed-sdk/libraries/net/eth/lwip-eth/arch/TARGET_NXP/lpc_phy.h @@ -0,0 +1,151 @@ +/********************************************************************** +* $Id$ lpc_phy.h 2011-11-20 +*//** +* @file lpc_phy.h +* @brief Common PHY definitions used with all PHYs +* @version 1.0 +* @date 20 Nov. 2011 +* @author NXP MCU SW Application Team +* +* Copyright(C) 2011, NXP Semiconductor +* All rights reserved. +* +*********************************************************************** +* Software that is described herein is for illustrative purposes only +* which provides customers with programming information regarding the +* products. This software is supplied "AS IS" without any warranties. +* NXP Semiconductors assumes no responsibility or liability for the +* use of the software, conveys no license or title under any patent, +* copyright, or mask work right to the product. NXP Semiconductors +* reserves the right to make changes in the software without +* notification. NXP Semiconductors also make no representation or +* warranty that such application will be suitable for the specified +* use without further testing or modification. +**********************************************************************/ + +#ifndef __LPC_PHY_H_ +#define __LPC_PHY_H_ + +#include "lwip/opt.h" +#include "lwip/err.h" +#include "lwip/netif.h" + +#ifdef __cplusplus +extern "C" +{ +#endif + +/* These PHY functions are usually part of the EMAC driver */ + +/** \brief Phy status update state machine + * + * This function provides a state machine for maintaining the PHY + * status without blocking. It must be occasionally called for the + * PHY status to be maintained. + * + * \param[in] netif NETIF structure + */ +s32_t lpc_phy_sts_sm(struct netif *netif); + +/** \brief Initialize the PHY + * + * This function initializes the PHY. It will block until complete. + * This function is called as part of the EMAC driver + * initialization. Configuration of the PHY at startup is + * controlled by setting up configuration defines in lpc_phy.h. + * + * \param[in] netif NETIF structure + * \param[in] rmii If set, configures the PHY for RMII mode + * \return ERR_OK if the setup was successful, otherwise ERR_TIMEOUT + */ +err_t lpc_phy_init(struct netif *netif, int rmii); + +/** \brief Write a value via the MII link (non-blocking) + * + * This function will write a value on the MII link interface to a PHY + * or a connected device. The function will return immediately without + * a status. Status needs to be polled later to determine if the write + * was successful. + * + * \param[in] PhyReg PHY register to write to + * \param[in] Value Value to write + */ +void lpc_mii_write_noblock(u32_t PhyReg, u32_t Value); + +/** \brief Write a value via the MII link (blocking) + * + * This function will write a value on the MII link interface to a PHY + * or a connected device. The function will block until complete. + * + * \param[in] PhyReg PHY register to write to + * \param[in] Value Value to write + * \returns 0 if the write was successful, otherwise !0 + */ +err_t lpc_mii_write(u32_t PhyReg, u32_t Value); + +/** \brief Reads current MII link busy status + * + * This function will return the current MII link busy status and is meant to + * be used with non-blocking functions for monitor PHY status such as + * connection state. + * + * \returns !0 if the MII link is busy, otherwise 0 + */ +u32_t lpc_mii_is_busy(void); + +/** \brief Starts a read operation via the MII link (non-blocking) + * + * This function returns the current value in the MII data register. It is + * meant to be used with the non-blocking oeprations. This value should + * only be read after a non-block read command has been issued and the + * MII status has been determined to be good. + * + * \returns The current value in the MII value register + */ +u32_t lpc_mii_read_data(void); + +/** \brief Starts a read operation via the MII link (non-blocking) + * + * This function will start a read operation on the MII link interface + * from a PHY or a connected device. The function will not block and + * the status mist be polled until complete. Once complete, the data + * can be read. + * + * \param[in] PhyReg PHY register to read from + */ +err_t lpc_mii_read(u32_t PhyReg, u32_t *data); + +/** \brief Read a value via the MII link (blocking) + * + * This function will read a value on the MII link interface from a PHY + * or a connected device. The function will block until complete. + * + * \param[in] PhyReg PHY register to read from + * \param[in] data Pointer to where to save data read via MII + * \returns 0 if the read was successful, otherwise !0 + */ +void lpc_mii_read_noblock(u32_t PhyReg); + +/** + * This function provides a method for the PHY to setup the EMAC + * for the PHY negotiated duplex mode. + * + * @param[in] full_duplex 0 = half duplex, 1 = full duplex + */ +void lpc_emac_set_duplex(int full_duplex); + +/** + * This function provides a method for the PHY to setup the EMAC + * for the PHY negotiated bit rate. + * + * @param[in] mbs_100 0 = 10mbs mode, 1 = 100mbs mode + */ +void lpc_emac_set_speed(int mbs_100); + +#ifdef __cplusplus +} +#endif + +#endif /* __LPC_PHY_H_ */ + +/* --------------------------------- End Of File ------------------------------ */ |