1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * Internal header file for QE TDM mode routines. 4 * 5 * Copyright (C) 2016 Freescale Semiconductor, Inc. All rights reserved. 6 * 7 * Authors: Zhao Qiang <qiang.zhao@nxp.com> 8 */ 9 10#ifndef _QE_TDM_H_ 11#define _QE_TDM_H_ 12 13#include <linux/kernel.h> 14#include <linux/list.h> 15 16#include <soc/fsl/qe/immap_qe.h> 17#include <soc/fsl/qe/qe.h> 18 19#include <soc/fsl/qe/ucc.h> 20#include <soc/fsl/qe/ucc_fast.h> 21 22/* SI RAM entries */ 23#define SIR_LAST 0x0001 24#define SIR_BYTE 0x0002 25#define SIR_CNT(x) ((x) << 2) 26#define SIR_CSEL(x) ((x) << 5) 27#define SIR_SGS 0x0200 28#define SIR_SWTR 0x4000 29#define SIR_MCC 0x8000 30#define SIR_IDLE 0 31 32/* SIxMR fields */ 33#define SIMR_SAD(x) ((x) << 12) 34#define SIMR_SDM_NORMAL 0x0000 35#define SIMR_SDM_INTERNAL_LOOPBACK 0x0800 36#define SIMR_SDM_MASK 0x0c00 37#define SIMR_CRT 0x0040 38#define SIMR_SL 0x0020 39#define SIMR_CE 0x0010 40#define SIMR_FE 0x0008 41#define SIMR_GM 0x0004 42#define SIMR_TFSD(n) (n) 43#define SIMR_RFSD(n) ((n) << 8) 44 45enum tdm_ts_t { 46 TDM_TX_TS, 47 TDM_RX_TS 48}; 49 50enum tdm_framer_t { 51 TDM_FRAMER_T1, 52 TDM_FRAMER_E1 53}; 54 55enum tdm_mode_t { 56 TDM_INTERNAL_LOOPBACK, 57 TDM_NORMAL 58}; 59 60struct si_mode_info { 61 u8 simr_rfsd; 62 u8 simr_tfsd; 63 u8 simr_crt; 64 u8 simr_sl; 65 u8 simr_ce; 66 u8 simr_fe; 67 u8 simr_gm; 68}; 69 70struct ucc_tdm_info { 71 struct ucc_fast_info uf_info; 72 struct si_mode_info si_info; 73}; 74 75struct ucc_tdm { 76 u16 tdm_port; /* port for this tdm:TDMA,TDMB */ 77 u32 siram_entry_id; 78 u16 __iomem *siram; 79 struct si1 __iomem *si_regs; 80 enum tdm_framer_t tdm_framer_type; 81 enum tdm_mode_t tdm_mode; 82 u8 num_of_ts; /* the number of timeslots in this tdm frame */ 83 u32 tx_ts_mask; /* tx time slot mask */ 84 u32 rx_ts_mask; /* rx time slot mask */ 85}; 86 87int ucc_of_parse_tdm(struct device_node *np, struct ucc_tdm *utdm, 88 struct ucc_tdm_info *ut_info); 89void ucc_tdm_init(struct ucc_tdm *utdm, struct ucc_tdm_info *ut_info); 90#endif 91