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1 office 1 /******************************************************************************
2 **
3 ** FILE NAME : ifxmips_ptm_vdsl.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 VR9)
10 ** COPYRIGHT : Copyright (c) 2006
11 ** Infineon Technologies AG
12 ** Am Campeon 1-12, 85579 Neubiberg, Germany
13 **
14 ** This program is free software; you can redistribute it and/or modify
15 ** it under the terms of the GNU General Public License as published by
16 ** the Free Software Foundation; either version 2 of the License, or
17 ** (at your option) any later version.
18 **
19 ** HISTORY
20 ** $Date $Author $Comment
21 ** 07 JUL 2009 Xu Liang Init Version
22 *******************************************************************************/
23  
24 #ifndef IFXMIPS_PTM_VDSL_H
25 #define IFXMIPS_PTM_VDSL_H
26  
27 #include <linux/version.h>
28 #include <linux/netdevice.h>
29 #include <lantiq_ptm.h>
30 #include "ifxmips_ptm_common.h"
31 #include "ifxmips_ptm_ppe_common.h"
32 #include "ifxmips_ptm_fw_regs_vdsl.h"
33  
34 #define INT_NUM_IM2_IRL24 (INT_NUM_IM2_IRL0 + 24)
35  
36 #define IFX_REG_W32(_v, _r) __raw_writel((_v), (volatile unsigned int *)(_r))
37 #define IFX_REG_R32(_r) __raw_readl((volatile unsigned int *)(_r))
38 #define IFX_REG_W32_MASK(_clr, _set, _r) IFX_REG_W32((IFX_REG_R32((_r)) & ~(_clr)) | (_set), (_r))
39 #define SET_BITS(x, msb, lsb, value) (((x) & ~(((1 << ((msb) + 1)) - 1) ^ ((1 << (lsb)) - 1))) | (((value) & ((1 << (1 + (msb) - (lsb))) - 1)) << (lsb)))
40  
41  
42  
43 /*
44 * ####################################
45 * Definition
46 * ####################################
47 */
48  
49 /*
50 * Constant Definition
51 */
52 #define ETH_WATCHDOG_TIMEOUT (10 * HZ)
53  
54 /*
55 * DMA RX/TX Channel Parameters
56 */
57 #define MAX_ITF_NUMBER 1
58 #define MAX_RX_DMA_CHANNEL_NUMBER 1
59 #define MAX_TX_DMA_CHANNEL_NUMBER 1
60 #define DATA_BUFFER_ALIGNMENT EMA_ALIGNMENT
61 #define DESC_ALIGNMENT 8
62  
63 /*
64 * Ethernet Frame Definitions
65 */
66 #define ETH_MAC_HEADER_LENGTH 14
67 #define ETH_CRC_LENGTH 4
68 #define ETH_MIN_FRAME_LENGTH 64
69 #define ETH_MAX_FRAME_LENGTH (1518 + 4 * 2)
70  
71 /*
72 * RX Frame Definitions
73 */
74 #define RX_MAX_BUFFER_SIZE (1600 + RX_HEAD_MAC_ADDR_ALIGNMENT)
75 #define RX_HEAD_MAC_ADDR_ALIGNMENT 2
76 #define RX_TAIL_CRC_LENGTH 0 // PTM firmware does not have ethernet frame CRC
77 // The len in descriptor doesn't include ETH_CRC
78 // because ETH_CRC may not present in some configuration
79  
80  
81  
82 /*
83 * ####################################
84 * Data Type
85 * ####################################
86 */
87  
88 struct ptm_itf {
89 unsigned int rx_desc_pos;
90  
91 unsigned int tx_desc_pos;
92  
93 unsigned int tx_swap_desc_pos;
94  
95 struct net_device_stats stats;
96  
97 struct napi_struct napi;
98 };
99  
100 struct ptm_priv_data {
101 struct ptm_itf itf[MAX_ITF_NUMBER];
102 };
103  
104  
105  
106 /*
107 * ####################################
108 * Declaration
109 * ####################################
110 */
111  
112 extern unsigned int ifx_ptm_dbg_enable;
113  
114 extern void ifx_ptm_get_fw_ver(unsigned int *major, unsigned int *minor);
115  
116 extern void ifx_ptm_init_chip(void);
117 extern void ifx_ptm_uninit_chip(void);
118  
119 extern int ifx_pp32_start(int pp32);
120 extern void ifx_pp32_stop(int pp32);
121  
122 extern void ifx_reset_ppe(void);
123  
124  
125  
126 #endif // IFXMIPS_PTM_VDSL_H