include/soc/fsl/qe/ucc.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved.
   4  *
   5  * Authors:     Shlomi Gridish <gridish@freescale.com>
   6  *              Li Yang <leoli@freescale.com>
   7  *
   8  * Description:
   9  * Internal header file for UCC unit routines.
  10  */
  11 #ifndef __UCC_H__
  12 #define __UCC_H__
  13
  14 #include <soc/fsl/qe/immap_qe.h>
  15 #include <soc/fsl/qe/qe.h>
  16
  17 #define STATISTICS
  18
  19 #define UCC_MAX_NUM     8
  20
  21 /* Slow or fast type for UCCs.
  22 */
  23 enum ucc_speed_type {
  24         UCC_SPEED_TYPE_FAST = UCC_GUEMR_MODE_FAST_RX | UCC_GUEMR_MODE_FAST_TX,
  25         UCC_SPEED_TYPE_SLOW = UCC_GUEMR_MODE_SLOW_RX | UCC_GUEMR_MODE_SLOW_TX
  26 };
  27
  28 /* ucc_set_type
  29  * Sets UCC to slow or fast mode.
  30  *
  31  * ucc_num - (In) number of UCC (0-7).
  32  * speed   - (In) slow or fast mode for UCC.
  33  */
  34 int ucc_set_type(unsigned int ucc_num, enum ucc_speed_type speed);
  35
  36 int ucc_set_qe_mux_mii_mng(unsigned int ucc_num);
  37
  38 int ucc_set_qe_mux_rxtx(unsigned int ucc_num, enum qe_clock clock,
  39         enum comm_dir mode);
  40 int ucc_set_tdm_rxtx_clk(unsigned int tdm_num, enum qe_clock clock,
  41                          enum comm_dir mode);
  42 int ucc_set_tdm_rxtx_sync(unsigned int tdm_num, enum qe_clock clock,
  43                           enum comm_dir mode);
  44
  45 int ucc_mux_set_grant_tsa_bkpt(unsigned int ucc_num, int set, u32 mask);
  46
  47 /* QE MUX clock routing for UCC
  48 */
  49 static 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
  54 static 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
  59 static 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__ */