LXR linux/arch/powerpc/include/asm/ucc.h

   1/*
   2 * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved.
   3 *
   4 * Authors:     Shlomi Gridish <gridish@freescale.com>
   5 *              Li Yang <leoli@freescale.com>
   6 *
   7 * Description:
   8 * Internal header file for UCC unit routines.
   9 *
  10 * This program is free software; you can redistribute  it and/or modify it
  11 * under  the terms of  the GNU General  Public License as published by the
  12 * Free Software Foundation;  either version 2 of the  License, or (at your
  13 * option) any later version.
  14 */
  15#ifndef __UCC_H__
  16#define __UCC_H__
  17
  18#include <asm/immap_qe.h>
  19#include <asm/qe.h>
  20
  21#define STATISTICS
  22
  23#define UCC_MAX_NUM     8
  24
  25/* Slow or fast type for UCCs.
  26*/
  27enum ucc_speed_type {
  28        UCC_SPEED_TYPE_FAST = UCC_GUEMR_MODE_FAST_RX | UCC_GUEMR_MODE_FAST_TX,
  29        UCC_SPEED_TYPE_SLOW = UCC_GUEMR_MODE_SLOW_RX | UCC_GUEMR_MODE_SLOW_TX
  30};
  31
  32/* ucc_set_type
  33 * Sets UCC to slow or fast mode.
  34 *
  35 * ucc_num - (In) number of UCC (0-7).
  36 * speed   - (In) slow or fast mode for UCC.
  37 */
  38int ucc_set_type(unsigned int ucc_num, enum ucc_speed_type speed);
  39
  40int ucc_set_qe_mux_mii_mng(unsigned int ucc_num);
  41
  42int ucc_set_qe_mux_rxtx(unsigned int ucc_num, enum qe_clock clock,
  43        enum comm_dir mode);
  44
  45int ucc_mux_set_grant_tsa_bkpt(unsigned int ucc_num, int set, u32 mask);
  46
  47/* QE MUX clock routing for UCC
  48*/
  49static inline int ucc_set_qe_mux_grant(unsigned int ucc_num, int set)
  50{
  51        return ucc_mux_set_grant_tsa_bkpt(ucc_num, set, QE_CMXUCR_GRANT);
  52}
  53
  54static inline int ucc_set_qe_mux_tsa(unsigned int ucc_num, int set)
  55{
  56        return ucc_mux_set_grant_tsa_bkpt(ucc_num, set, QE_CMXUCR_TSA);
  57}
  58
  59static inline int ucc_set_qe_mux_bkpt(unsigned int ucc_num, int set)
  60{
  61        return ucc_mux_set_grant_tsa_bkpt(ucc_num, set, QE_CMXUCR_BKPT);
  62}
  63
  64#endif                          /* __UCC_H__ */
  65