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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
91 lines
1.9 KiB
C
91 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Internal header file for QE TDM mode routines.
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*
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* Copyright (C) 2016 Freescale Semiconductor, Inc. All rights reserved.
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*
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* Authors: Zhao Qiang <qiang.zhao@nxp.com>
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*/
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#ifndef _QE_TDM_H_
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#define _QE_TDM_H_
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#include <linux/kernel.h>
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#include <linux/list.h>
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#include <soc/fsl/qe/immap_qe.h>
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#include <soc/fsl/qe/qe.h>
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#include <soc/fsl/qe/ucc.h>
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#include <soc/fsl/qe/ucc_fast.h>
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/* SI RAM entries */
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#define SIR_LAST 0x0001
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#define SIR_BYTE 0x0002
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#define SIR_CNT(x) ((x) << 2)
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#define SIR_CSEL(x) ((x) << 5)
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#define SIR_SGS 0x0200
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#define SIR_SWTR 0x4000
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#define SIR_MCC 0x8000
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#define SIR_IDLE 0
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/* SIxMR fields */
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#define SIMR_SAD(x) ((x) << 12)
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#define SIMR_SDM_NORMAL 0x0000
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#define SIMR_SDM_INTERNAL_LOOPBACK 0x0800
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#define SIMR_SDM_MASK 0x0c00
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#define SIMR_CRT 0x0040
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#define SIMR_SL 0x0020
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#define SIMR_CE 0x0010
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#define SIMR_FE 0x0008
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#define SIMR_GM 0x0004
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#define SIMR_TFSD(n) (n)
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#define SIMR_RFSD(n) ((n) << 8)
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enum tdm_ts_t {
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TDM_TX_TS,
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TDM_RX_TS
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};
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enum tdm_framer_t {
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TDM_FRAMER_T1,
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TDM_FRAMER_E1
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};
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enum tdm_mode_t {
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TDM_INTERNAL_LOOPBACK,
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TDM_NORMAL
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};
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struct si_mode_info {
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u8 simr_rfsd;
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u8 simr_tfsd;
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u8 simr_crt;
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u8 simr_sl;
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u8 simr_ce;
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u8 simr_fe;
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u8 simr_gm;
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};
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struct ucc_tdm_info {
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struct ucc_fast_info uf_info;
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struct si_mode_info si_info;
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};
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struct ucc_tdm {
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u16 tdm_port; /* port for this tdm:TDMA,TDMB */
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u32 siram_entry_id;
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u16 __iomem *siram;
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struct si1 __iomem *si_regs;
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enum tdm_framer_t tdm_framer_type;
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enum tdm_mode_t tdm_mode;
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u8 num_of_ts; /* the number of timeslots in this tdm frame */
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u32 tx_ts_mask; /* tx time slot mask */
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u32 rx_ts_mask; /* rx time slot mask */
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};
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int ucc_of_parse_tdm(struct device_node *np, struct ucc_tdm *utdm,
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struct ucc_tdm_info *ut_info);
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void ucc_tdm_init(struct ucc_tdm *utdm, struct ucc_tdm_info *ut_info);
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#endif
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