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Diffstat (limited to 'include/soc/fsl/qe/qe_tdm.h')
| -rw-r--r-- | include/soc/fsl/qe/qe_tdm.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/include/soc/fsl/qe/qe_tdm.h b/include/soc/fsl/qe/qe_tdm.h new file mode 100644 index 000000000..a1664b635 --- /dev/null +++ b/include/soc/fsl/qe/qe_tdm.h @@ -0,0 +1,94 @@ +/* + * Internal header file for QE TDM mode routines. + * + * Copyright (C) 2016 Freescale Semiconductor, Inc. All rights reserved. + * + * Authors: Zhao Qiang <qiang.zhao@nxp.com> + * + * 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 + */ + +#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 |