drivers/net/ibm_emac/ibm_emac_tah.h

   1 /*
   2  * drivers/net/ibm_emac/ibm_emac_tah.h
   3  *
   4  * Driver for PowerPC 4xx on-chip ethernet controller, TAH support.
   5  *
   6  * Copyright 2004 MontaVista Software, Inc.
   7  * Matt Porter <mporter@kernel.crashing.org>
   8  *
   9  * Copyright (c) 2005 Eugene Surovegin <ebs@ebshome.net>
  10  *
  11  * This program is free software; you can redistribute  it and/or modify it
  12  * under  the terms of  the GNU General  Public License as published by the
  13  * Free Software Foundation;  either version 2 of the  License, or (at your
  14  * option) any later version.
  15  */
  16
  17 #ifndef _IBM_EMAC_TAH_H
  18 #define _IBM_EMAC_TAH_H
  19
  20 #include <linux/init.h>
  21 #include <asm/ocp.h>
  22
  23 /* TAH */
  24 struct tah_regs {
  25         u32 revid;
  26         u32 pad[3];
  27         u32 mr;
  28         u32 ssr0;
  29         u32 ssr1;
  30         u32 ssr2;
  31         u32 ssr3;
  32         u32 ssr4;
  33         u32 ssr5;
  34         u32 tsr;
  35 };
  36
  37 /* TAH engine */
  38 #define TAH_MR_CVR              0x80000000
  39 #define TAH_MR_SR               0x40000000
  40 #define TAH_MR_ST_256           0x01000000
  41 #define TAH_MR_ST_512           0x02000000
  42 #define TAH_MR_ST_768           0x03000000
  43 #define TAH_MR_ST_1024          0x04000000
  44 #define TAH_MR_ST_1280          0x05000000
  45 #define TAH_MR_ST_1536          0x06000000
  46 #define TAH_MR_TFS_16KB         0x00000000
  47 #define TAH_MR_TFS_2KB          0x00200000
  48 #define TAH_MR_TFS_4KB          0x00400000
  49 #define TAH_MR_TFS_6KB          0x00600000
  50 #define TAH_MR_TFS_8KB          0x00800000
  51 #define TAH_MR_TFS_10KB         0x00a00000
  52 #define TAH_MR_DTFP             0x00100000
  53 #define TAH_MR_DIG              0x00080000
  54
  55 #ifdef CONFIG_IBM_EMAC_TAH
  56 int tah_attach(void *emac) __init;
  57
  58 void __tah_fini(struct ocp_device *ocpdev) __exit;
  59 static inline void tah_fini(struct ocp_device *ocpdev)
  60 {
  61         if (ocpdev)
  62                 __tah_fini(ocpdev);
  63 }
  64
  65 void __tah_reset(struct ocp_device *ocpdev);
  66 static inline void tah_reset(struct ocp_device *ocpdev)
  67 {
  68         if (ocpdev)
  69                 __tah_reset(ocpdev);
  70 }
  71
  72 int __tah_get_regs_len(struct ocp_device *ocpdev);
  73 static inline int tah_get_regs_len(struct ocp_device *ocpdev)
  74 {
  75         return ocpdev ? __tah_get_regs_len(ocpdev) : 0;
  76 }
  77
  78 void *tah_dump_regs(struct ocp_device *ocpdev, void *buf);
  79 #else
  80 # define tah_attach(x)          0
  81 # define tah_fini(x)            ((void)0)
  82 # define tah_reset(x)           ((void)0)
  83 # define tah_get_regs_len(x)    0
  84 # define tah_dump_regs(x,buf)   (buf)
  85 #endif                          /* !CONFIG_IBM_EMAC_TAH */
  86
  87 #endif                          /* _IBM_EMAC_TAH_H */