/* SPDX-License-Identifier: GPL-2.0 */ /* * ddbridge-mci.h: Digital Devices micro code interface * * Copyright (C) 2017-2018 Digital Devices GmbH * Marcus Metzler * Ralph Metzler * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 only, as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #ifndef _DDBRIDGE_MCI_H_ #define _DDBRIDGE_MCI_H_ #define MCI_DEMOD_MAX 8 #define MCI_TUNER_MAX 4 #define DEMOD_UNUSED (0xFF) #define MCI_CONTROL (0x500) #define MCI_COMMAND (0x600) #define MCI_RESULT (0x680) #define MCI_COMMAND_SIZE (0x80) #define MCI_RESULT_SIZE (0x80) #define MCI_CONTROL_START_COMMAND (0x00000001) #define MCI_CONTROL_ENABLE_DONE_INTERRUPT (0x00000002) #define MCI_CONTROL_RESET (0x00008000) #define MCI_CONTROL_READY (0x00010000) #define SX8_TSCONFIG (0x280) #define SX8_TSCONFIG_MODE_MASK (0x00000003) #define SX8_TSCONFIG_MODE_OFF (0x00000000) #define SX8_TSCONFIG_MODE_NORMAL (0x00000001) #define SX8_TSCONFIG_MODE_IQ (0x00000003) /* * IQMode is only available on MaxSX8 on a single tuner * * IQ_MODE_SAMPLES * sampling rate is 1550/24 MHz (64.583 MHz) * channel agc is frozen, to allow stitching the FFT results together * * IQ_MODE_VTM * sampling rate is the supplied symbolrate * channel agc is active * * in both cases down sampling is done with a RRC Filter (currently fixed to * alpha = 0.05) which causes some (ca 5%) aliasing at the edges from * outside the spectrum */ #define SX8_TSCONFIG_TSHEADER (0x00000004) #define SX8_TSCONFIG_BURST (0x00000008) #define SX8_TSCONFIG_BURSTSIZE_MASK (0x00000030) #define SX8_TSCONFIG_BURSTSIZE_2K (0x00000000) #define SX8_TSCONFIG_BURSTSIZE_4K (0x00000010) #define SX8_TSCONFIG_BURSTSIZE_8K (0x00000020) #define SX8_TSCONFIG_BURSTSIZE_16K (0x00000030) #define SX8_DEMOD_STOPPED (0) #define SX8_DEMOD_IQ_MODE (1) #define SX8_DEMOD_WAIT_SIGNAL (2) #define SX8_DEMOD_WAIT_MATYPE (3) #define SX8_DEMOD_TIMEOUT (14) #define SX8_DEMOD_LOCKED (15) #define MCI_CMD_STOP (0x01) #define MCI_CMD_GETSTATUS (0x02) #define MCI_CMD_GETSIGNALINFO (0x03) #define MCI_CMD_RFPOWER (0x04) #define MCI_CMD_SEARCH_DVBS (0x10) #define MCI_CMD_GET_IQSYMBOL (0x30) #define SX8_CMD_INPUT_ENABLE (0x40) #define SX8_CMD_INPUT_DISABLE (0x41) #define SX8_CMD_START_IQ (0x42) #define SX8_CMD_STOP_IQ (0x43) #define SX8_CMD_ENABLE_IQOUTPUT (0x44) #define SX8_CMD_DISABLE_IQOUTPUT (0x45) #define MCI_STATUS_OK (0x00) #define MCI_STATUS_UNSUPPORTED (0x80) #define MCI_STATUS_RETRY (0xFD) #define MCI_STATUS_NOT_READY (0xFE) #define MCI_STATUS_ERROR (0xFF) #define MCI_SUCCESS(status) ((status & MCI_STATUS_UNSUPPORTED) == 0) struct mci_command { union { u32 command_word; struct { u8 command; u8 tuner; u8 demod; u8 output; }; }; union { u32 params[31]; struct { /* * Bit 0: DVB-S Enabled * Bit 1: DVB-S2 Enabled * Bit 7: InputStreamID */ u8 flags; /* * Bit 0: QPSK, * Bit 1: 8PSK/8APSK * Bit 2: 16APSK * Bit 3: 32APSK * Bit 4: 64APSK * Bit 5: 128APSK * Bit 6: 256APSK */ u8 s2_modulation_mask; u8 rsvd1; u8 retry; u32 frequency; u32 symbol_rate; u8 input_stream_id; u8 rsvd2[3]; u32 scrambling_sequence_index; u32 frequency_range; } dvbs2_search; struct { u8 tap; u8 rsvd; u16 point; } get_iq_symbol; struct { /* * Bit 0: 0=VTM/1=SCAN * Bit 1: Set Gain */ u8 flags; u8 roll_off; u8 rsvd1; u8 rsvd2; u32 frequency; u32 symbol_rate; /* Only in VTM mode */ u16 gain; } sx8_start_iq; struct { /* * Bit 1:0 = STVVGLNA Gain. * 0 = AGC, 1 = 0dB, 2 = Minimum, 3 = Maximum */ u8 flags; } sx8_input_enable; }; }; struct mci_result { union { u32 status_word; struct { u8 status; u8 mode; u16 time; }; }; union { u32 result[27]; struct { /* 1 = DVB-S, 2 = DVB-S2X */ u8 standard; /* puncture rate for DVB-S */ u8 pls_code; /* 2-0: rolloff */ u8 roll_off; u8 rsvd; /* actual frequency in Hz */ u32 frequency; /* actual symbolrate in Hz */ u32 symbol_rate; /* channel power in dBm x 100 */ s16 channel_power; /* band power in dBm x 100 */ s16 band_power; /* * SNR in dB x 100 * Note: negative values are valid in DVB-S2 */ s16 signal_to_noise; s16 rsvd2; /* * Counter for packet errors * (set to 0 on start command) */ u32 packet_errors; /* Bit error rate: PreRS in DVB-S, PreBCH in DVB-S2X */ u32 ber_numerator; u32 ber_denominator; } dvbs2_signal_info; struct { s16 i; s16 q; } iq_symbol; }; u32 version[4]; }; struct mci_base { struct list_head mci_list; void *key; struct ddb_link *link; struct completion completion; struct device *dev; struct mutex tuner_lock; /* concurrent tuner access lock */ struct mutex mci_lock; /* concurrent MCI access lock */ int count; int type; }; struct mci { struct mci_base *base; struct dvb_frontend fe; int nr; int demod; int tuner; }; struct mci_cfg { int type; struct dvb_frontend_ops *fe_ops; u32 base_size; u32 state_size; int (*init)(struct mci *mci); int (*base_init)(struct mci_base *mci_base); int (*set_input)(struct dvb_frontend *fe, int input); }; /* defined in ddbridge-sx8.c */ extern const struct mci_cfg ddb_max_sx8_cfg; int ddb_mci_cmd(struct mci *state, struct mci_command *command, struct mci_result *result); int ddb_mci_config(struct mci *state, u32 config); struct dvb_frontend *ddb_mci_attach(struct ddb_input *input, struct mci_cfg *cfg, int nr, int (**fn_set_input)(struct dvb_frontend *fe, int input)); #endif /* _DDBRIDGE_MCI_H_ */