/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Internal header file for QE TDM mode routines. * * Copyright (C) 2016 Freescale Semiconductor, Inc. All rights reserved. * * Authors: Zhao Qiang <qiang.zhao@nxp.com> */ #ifndef _QE_TDM_H_ #define _QE_TDM_H_ #include <linux/kernel.h> #include <linux/list.h> #include <soc/fsl/qe/immap_qe.h> #include <soc/fsl/qe/qe.h> #include <soc/fsl/qe/ucc.h> #include <soc/fsl/qe/ucc_fast.h> /* SI RAM entries */ #define SIR_LAST 0x0001 #define SIR_BYTE 0x0002 #define SIR_CNT(x) ((x) << 2) #define SIR_CSEL(x) ((x) << 5) #define SIR_SGS 0x0200 #define SIR_SWTR 0x4000 #define SIR_MCC 0x8000 #define SIR_IDLE 0 /* SIxMR fields */ #define SIMR_SAD(x) ((x) << 12) #define SIMR_SDM_NORMAL 0x0000 #define SIMR_SDM_INTERNAL_LOOPBACK 0x0800 #define SIMR_SDM_MASK 0x0c00 #define SIMR_CRT 0x0040 #define SIMR_SL 0x0020 #define SIMR_CE 0x0010 #define SIMR_FE 0x0008 #define SIMR_GM 0x0004 #define SIMR_TFSD(n) (n) #define SIMR_RFSD(n) ((n) << 8) enum tdm_ts_t { TDM_TX_TS, TDM_RX_TS }; enum tdm_framer_t { TDM_FRAMER_T1, TDM_FRAMER_E1 }; enum tdm_mode_t { TDM_INTERNAL_LOOPBACK, TDM_NORMAL }; struct si_mode_info { u8 simr_rfsd; u8 simr_tfsd; u8 simr_crt; u8 simr_sl; u8 simr_ce; u8 simr_fe; u8 simr_gm; }; struct ucc_tdm_info { struct ucc_fast_info uf_info; struct si_mode_info si_info; }; struct ucc_tdm { u16 tdm_port; /* port for this tdm:TDMA,TDMB */ u32 siram_entry_id; u16 __iomem *siram; struct si1 __iomem *si_regs; enum tdm_framer_t tdm_framer_type; enum tdm_mode_t tdm_mode; u8 num_of_ts; /* the number of timeslots in this tdm frame */ u32 tx_ts_mask; /* tx time slot mask */ u32 rx_ts_mask; /* rx time slot mask */ }; int ucc_of_parse_tdm(struct device_node *np, struct ucc_tdm *utdm, struct ucc_tdm_info *ut_info); void ucc_tdm_init(struct ucc_tdm *utdm, struct ucc_tdm_info *ut_info); #endif