1/*
2 * Copyright 2008-2013 Freescale Semiconductor Inc.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *     * Redistributions of source code must retain the above copyright
7 *       notice, this list of conditions and the following disclaimer.
8 *     * Redistributions in binary form must reproduce the above copyright
9 *       notice, this list of conditions and the following disclaimer in the
10 *       documentation and/or other materials provided with the distribution.
11 *     * Neither the name of Freescale Semiconductor nor the
12 *       names of its contributors may be used to endorse or promote products
13 *       derived from this software without specific prior written permission.
14 *
15 *
16 * ALTERNATIVELY, this software may be distributed under the terms of the
17 * GNU General Public License ("GPL") as published by the Free Software
18 * Foundation, either version 2 of that License or (at your option) any
19 * later version.
20 *
21 * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
22 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24 * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
28 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33
34/******************************************************************************
35 @File          dtsec_mii_acc.c
36
37 @Description   FM dtsec MII register access MAC ...
38*//***************************************************************************/
39
40#include "error_ext.h"
41#include "std_ext.h"
42#include "fm_mac.h"
43#include "dtsec.h"
44#include "fsl_fman_dtsec_mii_acc.h"
45
46
47/*****************************************************************************/
48t_Error DTSEC_MII_WritePhyReg(t_Handle    h_Dtsec,
49                              uint8_t     phyAddr,
50                              uint8_t     reg,
51                              uint16_t    data)
52{
53    t_Dtsec              *p_Dtsec = (t_Dtsec *)h_Dtsec;
54    struct dtsec_mii_reg *miiregs;
55    uint16_t              dtsec_freq;
56    t_Error                   err;
57
58    SANITY_CHECK_RETURN_ERROR(p_Dtsec, E_INVALID_HANDLE);
59    SANITY_CHECK_RETURN_ERROR(p_Dtsec->p_MiiMemMap, E_INVALID_HANDLE);
60
61    dtsec_freq = (uint16_t)(p_Dtsec->fmMacControllerDriver.clkFreq >> 1);
62    miiregs = p_Dtsec->p_MiiMemMap;
63
64    err = (t_Error)fman_dtsec_mii_write_reg(miiregs, phyAddr, reg, data, dtsec_freq);
65
66    return err;
67}
68
69/*****************************************************************************/
70t_Error DTSEC_MII_ReadPhyReg(t_Handle h_Dtsec,
71                             uint8_t  phyAddr,
72                             uint8_t  reg,
73                             uint16_t *p_Data)
74{
75    t_Dtsec               *p_Dtsec = (t_Dtsec *)h_Dtsec;
76    struct dtsec_mii_reg  *miiregs;
77    uint16_t               dtsec_freq;
78    t_Error                    err;
79
80    SANITY_CHECK_RETURN_ERROR(p_Dtsec, E_INVALID_HANDLE);
81    SANITY_CHECK_RETURN_ERROR(p_Dtsec->p_MiiMemMap, E_INVALID_HANDLE);
82
83    dtsec_freq = (uint16_t)(p_Dtsec->fmMacControllerDriver.clkFreq >> 1);
84    miiregs = p_Dtsec->p_MiiMemMap;
85
86    err = fman_dtsec_mii_read_reg(miiregs, phyAddr, reg, p_Data, dtsec_freq);
87
88    if (*p_Data == 0xffff)
89        RETURN_ERROR(MINOR, E_NO_DEVICE,
90                     ("Read wrong data (0xffff): phyAddr 0x%x, reg 0x%x",
91                      phyAddr, reg));
92    if (err)
93        RETURN_ERROR(MINOR, (t_Error)err, NO_MSG);
94
95    return E_OK;
96}
97
98