package/kernel/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
  39 #define IFX_REG_W32(_v, _r)               __raw_writel((_v), (volatile unsigned int *)(_r))
  40 #define IFX_REG_R32(_r)                    __raw_readl((volatile unsigned int *)(_r))
  41 #define IFX_REG_W32_MASK(_clr, _set, _r)   IFX_REG_W32((IFX_REG_R32((_r)) & ~(_clr)) | (_set), (_r))
  42 #define SET_BITS(x, msb, lsb, value)    (((x) & ~(((1 << ((msb) + 1)) - 1) ^ ((1 << (lsb)) - 1))) | (((value) & ((1 << (1 + (msb) - (lsb))) - 1)) << (lsb)))
  43
  44
  45
  46
  47 /*
  48  * ####################################
  49  *              Definition
  50  * ####################################
  51  */
  52
  53 /*
  54  *  Constant Definition
  55  */
  56 #define ETH_WATCHDOG_TIMEOUT            (2 * HZ)
  57
  58 /*
  59  *  DMA RX/TX Channel Parameters
  60  */
  61 #define MAX_ITF_NUMBER                  2
  62 #define MAX_RX_DMA_CHANNEL_NUMBER       MAX_ITF_NUMBER
  63 #define MAX_TX_DMA_CHANNEL_NUMBER       MAX_ITF_NUMBER
  64 #define DATA_BUFFER_ALIGNMENT           EMA_ALIGNMENT
  65 #define DESC_ALIGNMENT                  8
  66
  67 /*
  68  *  Ethernet Frame Definitions
  69  */
  70 #define ETH_MAC_HEADER_LENGTH           14
  71 #define ETH_CRC_LENGTH                  4
  72 #define ETH_MIN_FRAME_LENGTH            64
  73 #define ETH_MAX_FRAME_LENGTH            (1518 + 4 * 2)
  74
  75 /*
  76  *  RX Frame Definitions
  77  */
  78 #define RX_HEAD_MAC_ADDR_ALIGNMENT      2
  79 #define RX_TAIL_CRC_LENGTH              0   //  PTM firmware does not have ethernet frame CRC
  80                                             //  The len in descriptor doesn't include ETH_CRC
  81                                             //  because ETH_CRC may not present in some configuration
  82
  83
  84
  85 /*
  86  * ####################################
  87  *              Data Type
  88  * ####################################
  89  */
  90
  91 struct ptm_itf {
  92     volatile struct rx_descriptor  *rx_desc;
  93     unsigned int                    rx_desc_pos;
  94
  95     volatile struct tx_descriptor  *tx_desc;
  96     unsigned int                    tx_desc_pos;
  97     struct sk_buff                **tx_skb;
  98
  99     struct net_device_stats         stats;
 100
 101     struct napi_struct              napi;
 102 };
 103
 104 struct ptm_priv_data {
 105     struct ptm_itf                  itf[MAX_ITF_NUMBER];
 106     int                             irq;
 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
 121 extern unsigned int ifx_ptm_dbg_enable;
 122
 123 extern void ifx_ptm_get_fw_ver(unsigned int *major, unsigned int *minor);
 124
 125 extern void ifx_ptm_init_chip(struct platform_device *pdev);
 126 extern void ifx_ptm_uninit_chip(void);
 127
 128 extern int ifx_pp32_start(int pp32);
 129 extern void ifx_pp32_stop(int pp32);
 130
 131 extern void ifx_reset_ppe(void);
 132
 133 extern 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