Root/package/platform/lantiq/ltq-ptm/src/ifxmips_ptm_adsl.h

1/******************************************************************************
2**
3** FILE NAME : ifxmips_ptm_adsl.h
4** PROJECT : UEIP
5** MODULES : PTM
6**
7** DATE : 7 Jul 2009
8** AUTHOR : Xu Liang
9** DESCRIPTION : PTM driver header file (core functions for Danube/Amazon-SE/
10** AR9)
11** COPYRIGHT : Copyright (c) 2006
12** Infineon Technologies AG
13** Am Campeon 1-12, 85579 Neubiberg, Germany
14**
15** This program is free software; you can redistribute it and/or modify
16** it under the terms of the GNU General Public License as published by
17** the Free Software Foundation; either version 2 of the License, or
18** (at your option) any later version.
19**
20** HISTORY
21** $Date $Author $Comment
22** 17 JUN 2009 Xu Liang Init Version
23*******************************************************************************/
24
25#ifndef IFXMIPS_PTM_ADSL_H
26#define IFXMIPS_PTM_ADSL_H
27
28
29
30#include <linux/version.h>
31#include <linux/netdevice.h>
32#include <lantiq_ptm.h>
33#include "ifxmips_ptm_common.h"
34#include "ifxmips_ptm_ppe_common.h"
35#include "ifxmips_ptm_fw_regs_adsl.h"
36
37#define CONFIG_IFXMIPS_DSL_CPE_MEI
38#define INT_NUM_IM2_IRL24 (INT_NUM_IM2_IRL0 + 24)
39
40#define IFX_REG_W32(_v, _r) __raw_writel((_v), (volatile unsigned int *)(_r))
41#define IFX_REG_R32(_r) __raw_readl((volatile unsigned int *)(_r))
42#define IFX_REG_W32_MASK(_clr, _set, _r) IFX_REG_W32((IFX_REG_R32((_r)) & ~(_clr)) | (_set), (_r))
43#define SET_BITS(x, msb, lsb, value) (((x) & ~(((1 << ((msb) + 1)) - 1) ^ ((1 << (lsb)) - 1))) | (((value) & ((1 << (1 + (msb) - (lsb))) - 1)) << (lsb)))
44
45
46
47
48/*
49 * ####################################
50 * Definition
51 * ####################################
52 */
53
54/*
55 * Constant Definition
56 */
57#define ETH_WATCHDOG_TIMEOUT (2 * HZ)
58
59/*
60 * DMA RX/TX Channel Parameters
61 */
62#define MAX_ITF_NUMBER 2
63#define MAX_RX_DMA_CHANNEL_NUMBER MAX_ITF_NUMBER
64#define MAX_TX_DMA_CHANNEL_NUMBER MAX_ITF_NUMBER
65#define DATA_BUFFER_ALIGNMENT EMA_ALIGNMENT
66#define DESC_ALIGNMENT 8
67
68/*
69 * Ethernet Frame Definitions
70 */
71#define ETH_MAC_HEADER_LENGTH 14
72#define ETH_CRC_LENGTH 4
73#define ETH_MIN_FRAME_LENGTH 64
74#define ETH_MAX_FRAME_LENGTH (1518 + 4 * 2)
75
76/*
77 * RX Frame Definitions
78 */
79#define RX_HEAD_MAC_ADDR_ALIGNMENT 2
80#define RX_TAIL_CRC_LENGTH 0 // PTM firmware does not have ethernet frame CRC
81                                            // The len in descriptor doesn't include ETH_CRC
82                                            // because ETH_CRC may not present in some configuration
83
84
85
86/*
87 * ####################################
88 * Data Type
89 * ####################################
90 */
91
92struct ptm_itf {
93    volatile struct rx_descriptor *rx_desc;
94    unsigned int rx_desc_pos;
95
96    volatile struct tx_descriptor *tx_desc;
97    unsigned int tx_desc_pos;
98    struct sk_buff **tx_skb;
99
100    struct net_device_stats stats;
101
102    struct napi_struct napi;
103};
104
105struct ptm_priv_data {
106    struct ptm_itf itf[MAX_ITF_NUMBER];
107
108    void *rx_desc_base;
109    void *tx_desc_base;
110    void *tx_skb_base;
111};
112
113
114
115/*
116 * ####################################
117 * Declaration
118 * ####################################
119 */
120
121extern unsigned int ifx_ptm_dbg_enable;
122
123extern void ifx_ptm_get_fw_ver(unsigned int *major, unsigned int *minor);
124
125extern void ifx_ptm_init_chip(void);
126extern void ifx_ptm_uninit_chip(void);
127
128extern int ifx_pp32_start(int pp32);
129extern void ifx_pp32_stop(int pp32);
130
131extern void ifx_reset_ppe(void);
132
133extern int ifx_ptm_proc_read_regs(char *page, char **start, off_t off, int count, int *eof, void *data);
134
135
136
137#endif // IFXMIPS_PTM_ADSL_H
138

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