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