1/*  *********************************************************************
2    *  Broadcom Common Firmware Environment (CFE)
3    *
4    *  Common MII definitions			File: cfe_mii.h
5    *
6    *  Driver common data structures for MII devices.   The
7    *  higher-level (device-specific) MII drivers talk to this, and
8    *  via these structures we end up at platform-specific MII
9    *  handlers.
10    *
11    *********************************************************************
12    *
13    *  Copyright 2004
14    *  Broadcom Corporation. All rights reserved.
15    *
16    *  This software is furnished under license and may be used and
17    *  copied only in accordance with the following terms and
18    *  conditions.  Subject to these conditions, you may download,
19    *  copy, install, use, modify and distribute modified or unmodified
20    *  copies of this software in source and/or binary form.  No title
21    *  or ownership is transferred hereby.
22    *
23    *  1) Any source code used, modified or distributed must reproduce
24    *     and retain this copyright notice and list of conditions
25    *     as they appear in the source file.
26    *
27    *  2) No right is granted to use any trade name, trademark, or
28    *     logo of Broadcom Corporation.  The "Broadcom Corporation"
29    *     name may not be used to endorse or promote products derived
30    *     from this software without the prior written permission of
31    *     Broadcom Corporation.
32    *
33    *  3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
34    *     IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
35    *     WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
36    *     PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
37    *     SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN
38    *     PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
39    *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
40    *     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
41    *     GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
42    *     BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
43    *     OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
44    *     TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF
45    *     THE POSSIBILITY OF SUCH DAMAGE.
46    ********************************************************************* */
47
48
49typedef struct cfe_mii_channel_s cfe_mii_channel_t;
50typedef struct cfe_mii_s cfe_mii_t;
51
52struct cfe_mii_s {
53    /* Attach channel */
54    cfe_mii_channel_t * (*attach)(cfe_mii_t *,uint64_t probe_a,uint64_t probe_b);
55    /* Initialize channel */
56    int (*init)(cfe_mii_channel_t *chan);
57    /* Get default address */
58    int (*default_addr)(cfe_mii_channel_t *chan);
59    /* Write data to device */
60    void (*write)(cfe_mii_channel_t *chan,int addr,int regidx,unsigned int regval);
61    /* Read data from device */
62    unsigned int (*read)(cfe_mii_channel_t *chan,int addr,int regidx);
63};
64
65struct cfe_mii_channel_s {
66    cfe_mii_t *ops;
67    void *softc;
68};
69
70#define MII_CHANNELS_MAX	4
71
72extern cfe_mii_channel_t *cfe_mii_channels[MII_CHANNELS_MAX];
73
74#define MII_CHANNEL(chanidx) cfe_mii_channels[chanidx]
75#define MII_INIT(chan) (chan)->ops->init(chan)
76#define MII_DEFAULT_ADDR(chan) (chan)->ops->default_addr(chan)
77#define MII_WRITE(chan,addr,regidx,regval) (chan)->ops->write(chan,addr,regidx,regval)
78#define MII_READ(chan,addr,regidx) (chan)->ops->read(chan,addr,regidx)
79
80
81int cfe_add_mii(cfe_mii_t *ops,uint64_t probe_a,uint64_t probe_b);
82
83
84