/* SPDX-License-Identifier: GPL-2.0 */ /* * Driver for the MaxLinear MxL69x family of combo tuners/demods * * Copyright (C) 2020 Brad Love <brad@nextdimension.cc> * * based on code: * Copyright (c) 2016 MaxLinear, Inc. All rights reserved * which was released under GPL V2 */ /***************************************************************************** * Defines ***************************************************************************** */ #define MXL_EAGLE_HOST_MSG_HEADER_SIZE 8 #define MXL_EAGLE_FW_MAX_SIZE_IN_KB 76 #define MXL_EAGLE_QAM_FFE_TAPS_LENGTH 16 #define MXL_EAGLE_QAM_SPUR_TAPS_LENGTH 32 #define MXL_EAGLE_QAM_DFE_TAPS_LENGTH 72 #define MXL_EAGLE_ATSC_FFE_TAPS_LENGTH 4096 #define MXL_EAGLE_ATSC_DFE_TAPS_LENGTH 384 #define MXL_EAGLE_VERSION_SIZE 5 /* A.B.C.D-RCx */ #define MXL_EAGLE_FW_LOAD_TIME 50 #define MXL_EAGLE_FW_MAX_SIZE_IN_KB 76 #define MXL_EAGLE_FW_HEADER_SIZE 16 #define MXL_EAGLE_FW_SEGMENT_HEADER_SIZE 8 #define MXL_EAGLE_MAX_I2C_PACKET_SIZE 58 #define MXL_EAGLE_I2C_MHEADER_SIZE 6 #define MXL_EAGLE_I2C_PHEADER_SIZE 2 /* Enum of Eagle family devices */ enum MXL_EAGLE_DEVICE_E { MXL_EAGLE_DEVICE_691 = 1, /* Device Mxl691 */ MXL_EAGLE_DEVICE_248 = 2, /* Device Mxl248 */ MXL_EAGLE_DEVICE_692 = 3, /* Device Mxl692 */ MXL_EAGLE_DEVICE_MAX, /* No such device */ }; #define VER_A 1 #define VER_B 1 #define VER_C 1 #define VER_D 3 #define VER_E 6 /* Enum of Host to Eagle I2C protocol opcodes */ enum MXL_EAGLE_OPCODE_E { /* DEVICE */ MXL_EAGLE_OPCODE_DEVICE_DEMODULATOR_TYPE_SET, MXL_EAGLE_OPCODE_DEVICE_MPEG_OUT_PARAMS_SET, MXL_EAGLE_OPCODE_DEVICE_POWERMODE_SET, MXL_EAGLE_OPCODE_DEVICE_GPIO_DIRECTION_SET, MXL_EAGLE_OPCODE_DEVICE_GPO_LEVEL_SET, MXL_EAGLE_OPCODE_DEVICE_INTR_MASK_SET, MXL_EAGLE_OPCODE_DEVICE_IO_MUX_SET, MXL_EAGLE_OPCODE_DEVICE_VERSION_GET, MXL_EAGLE_OPCODE_DEVICE_STATUS_GET, MXL_EAGLE_OPCODE_DEVICE_GPI_LEVEL_GET, /* TUNER */ MXL_EAGLE_OPCODE_TUNER_CHANNEL_TUNE_SET, MXL_EAGLE_OPCODE_TUNER_LOCK_STATUS_GET, MXL_EAGLE_OPCODE_TUNER_AGC_STATUS_GET, /* ATSC */ MXL_EAGLE_OPCODE_ATSC_INIT_SET, MXL_EAGLE_OPCODE_ATSC_ACQUIRE_CARRIER_SET, MXL_EAGLE_OPCODE_ATSC_STATUS_GET, MXL_EAGLE_OPCODE_ATSC_ERROR_COUNTERS_GET, MXL_EAGLE_OPCODE_ATSC_EQUALIZER_FILTER_DFE_TAPS_GET, MXL_EAGLE_OPCODE_ATSC_EQUALIZER_FILTER_FFE_TAPS_GET, /* QAM */ MXL_EAGLE_OPCODE_QAM_PARAMS_SET, MXL_EAGLE_OPCODE_QAM_RESTART_SET, MXL_EAGLE_OPCODE_QAM_STATUS_GET, MXL_EAGLE_OPCODE_QAM_ERROR_COUNTERS_GET, MXL_EAGLE_OPCODE_QAM_CONSTELLATION_VALUE_GET, MXL_EAGLE_OPCODE_QAM_EQUALIZER_FILTER_FFE_GET, MXL_EAGLE_OPCODE_QAM_EQUALIZER_FILTER_SPUR_START_GET, MXL_EAGLE_OPCODE_QAM_EQUALIZER_FILTER_SPUR_END_GET, MXL_EAGLE_OPCODE_QAM_EQUALIZER_FILTER_DFE_TAPS_NUMBER_GET, MXL_EAGLE_OPCODE_QAM_EQUALIZER_FILTER_DFE_START_GET, MXL_EAGLE_OPCODE_QAM_EQUALIZER_FILTER_DFE_MIDDLE_GET, MXL_EAGLE_OPCODE_QAM_EQUALIZER_FILTER_DFE_END_GET, /* OOB */ MXL_EAGLE_OPCODE_OOB_PARAMS_SET, MXL_EAGLE_OPCODE_OOB_RESTART_SET, MXL_EAGLE_OPCODE_OOB_ERROR_COUNTERS_GET, MXL_EAGLE_OPCODE_OOB_STATUS_GET, /* SMA */ MXL_EAGLE_OPCODE_SMA_INIT_SET, MXL_EAGLE_OPCODE_SMA_PARAMS_SET, MXL_EAGLE_OPCODE_SMA_TRANSMIT_SET, MXL_EAGLE_OPCODE_SMA_RECEIVE_GET, /* DEBUG */ MXL_EAGLE_OPCODE_INTERNAL, MXL_EAGLE_OPCODE_MAX = 70, }; /* Enum of Host to Eagle I2C protocol opcodes */ static const char * const MXL_EAGLE_OPCODE_STRING[] = { /* DEVICE */ "DEVICE_DEMODULATOR_TYPE_SET", "DEVICE_MPEG_OUT_PARAMS_SET", "DEVICE_POWERMODE_SET", "DEVICE_GPIO_DIRECTION_SET", "DEVICE_GPO_LEVEL_SET", "DEVICE_INTR_MASK_SET", "DEVICE_IO_MUX_SET", "DEVICE_VERSION_GET", "DEVICE_STATUS_GET", "DEVICE_GPI_LEVEL_GET", /* TUNER */ "TUNER_CHANNEL_TUNE_SET", "TUNER_LOCK_STATUS_GET", "TUNER_AGC_STATUS_GET", /* ATSC */ "ATSC_INIT_SET", "ATSC_ACQUIRE_CARRIER_SET", "ATSC_STATUS_GET", "ATSC_ERROR_COUNTERS_GET", "ATSC_EQUALIZER_FILTER_DFE_TAPS_GET", "ATSC_EQUALIZER_FILTER_FFE_TAPS_GET", /* QAM */ "QAM_PARAMS_SET", "QAM_RESTART_SET", "QAM_STATUS_GET", "QAM_ERROR_COUNTERS_GET", "QAM_CONSTELLATION_VALUE_GET", "QAM_EQUALIZER_FILTER_FFE_GET", "QAM_EQUALIZER_FILTER_SPUR_START_GET", "QAM_EQUALIZER_FILTER_SPUR_END_GET", "QAM_EQUALIZER_FILTER_DFE_TAPS_NUMBER_GET", "QAM_EQUALIZER_FILTER_DFE_START_GET", "QAM_EQUALIZER_FILTER_DFE_MIDDLE_GET", "QAM_EQUALIZER_FILTER_DFE_END_GET", /* OOB */ "OOB_PARAMS_SET", "OOB_RESTART_SET", "OOB_ERROR_COUNTERS_GET", "OOB_STATUS_GET", /* SMA */ "SMA_INIT_SET", "SMA_PARAMS_SET", "SMA_TRANSMIT_SET", "SMA_RECEIVE_GET", /* DEBUG */ "INTERNAL", }; /* Enum of Callabck function types */ enum MXL_EAGLE_CB_TYPE_E { MXL_EAGLE_CB_FW_DOWNLOAD = 0, }; /* Enum of power supply types */ enum MXL_EAGLE_POWER_SUPPLY_SOURCE_E { MXL_EAGLE_POWER_SUPPLY_SOURCE_SINGLE, /* Single supply of 3.3V */ MXL_EAGLE_POWER_SUPPLY_SOURCE_DUAL, /* Dual supply, 1.8V & 3.3V */ }; /* Enum of I/O pad drive modes */ enum MXL_EAGLE_IO_MUX_DRIVE_MODE_E { MXL_EAGLE_IO_MUX_DRIVE_MODE_1X, MXL_EAGLE_IO_MUX_DRIVE_MODE_2X, MXL_EAGLE_IO_MUX_DRIVE_MODE_3X, MXL_EAGLE_IO_MUX_DRIVE_MODE_4X, MXL_EAGLE_IO_MUX_DRIVE_MODE_5X, MXL_EAGLE_IO_MUX_DRIVE_MODE_6X, MXL_EAGLE_IO_MUX_DRIVE_MODE_7X, MXL_EAGLE_IO_MUX_DRIVE_MODE_8X, }; /* Enum of demodulator types. Used for selection of demodulator * type in relevant devices, e.g. ATSC vs. QAM in Mxl691 */ enum MXL_EAGLE_DEMOD_TYPE_E { MXL_EAGLE_DEMOD_TYPE_QAM, /* Mxl248 or Mxl692 */ MXL_EAGLE_DEMOD_TYPE_OOB, /* Mxl248 only */ MXL_EAGLE_DEMOD_TYPE_ATSC /* Mxl691 or Mxl692 */ }; /* Enum of power modes. Used for initial * activation, or for activating sleep mode */ enum MXL_EAGLE_POWER_MODE_E { MXL_EAGLE_POWER_MODE_SLEEP, MXL_EAGLE_POWER_MODE_ACTIVE }; /* Enum of GPIOs, used in device GPIO APIs */ enum MXL_EAGLE_GPIO_NUMBER_E { MXL_EAGLE_GPIO_NUMBER_0, MXL_EAGLE_GPIO_NUMBER_1, MXL_EAGLE_GPIO_NUMBER_2, MXL_EAGLE_GPIO_NUMBER_3, MXL_EAGLE_GPIO_NUMBER_4, MXL_EAGLE_GPIO_NUMBER_5, MXL_EAGLE_GPIO_NUMBER_6 }; /* Enum of GPIO directions, used in GPIO direction configuration API */ enum MXL_EAGLE_GPIO_DIRECTION_E { MXL_EAGLE_GPIO_DIRECTION_INPUT, MXL_EAGLE_GPIO_DIRECTION_OUTPUT }; /* Enum of GPIO level, used in device GPIO APIs */ enum MXL_EAGLE_GPIO_LEVEL_E { MXL_EAGLE_GPIO_LEVEL_LOW, MXL_EAGLE_GPIO_LEVEL_HIGH, }; /* Enum of I/O Mux function, used in device I/O mux configuration API */ enum MXL_EAGLE_IOMUX_FUNCTION_E { MXL_EAGLE_IOMUX_FUNC_FEC_LOCK, MXL_EAGLE_IOMUX_FUNC_MERR, }; /* Enum of MPEG Data format, used in MPEG and OOB output configuration */ enum MXL_EAGLE_MPEG_DATA_FORMAT_E { MXL_EAGLE_DATA_SERIAL_LSB_1ST = 0, MXL_EAGLE_DATA_SERIAL_MSB_1ST, MXL_EAGLE_DATA_SYNC_WIDTH_BIT = 0, MXL_EAGLE_DATA_SYNC_WIDTH_BYTE }; /* Enum of MPEG Clock format, used in MPEG and OOB output configuration */ enum MXL_EAGLE_MPEG_CLOCK_FORMAT_E { MXL_EAGLE_CLOCK_ACTIVE_HIGH = 0, MXL_EAGLE_CLOCK_ACTIVE_LOW, MXL_EAGLE_CLOCK_POSITIVE = 0, MXL_EAGLE_CLOCK_NEGATIVE, MXL_EAGLE_CLOCK_IN_PHASE = 0, MXL_EAGLE_CLOCK_INVERTED, }; /* Enum of MPEG Clock speeds, used in MPEG output configuration */ enum MXL_EAGLE_MPEG_CLOCK_RATE_E { MXL_EAGLE_MPEG_CLOCK_54MHZ, MXL_EAGLE_MPEG_CLOCK_40_5MHZ, MXL_EAGLE_MPEG_CLOCK_27MHZ, MXL_EAGLE_MPEG_CLOCK_13_5MHZ, }; /* Enum of Interrupt mask bit, used in host interrupt configuration */ enum MXL_EAGLE_INTR_MASK_BITS_E { MXL_EAGLE_INTR_MASK_DEMOD = 0, MXL_EAGLE_INTR_MASK_SMA_RX = 1, MXL_EAGLE_INTR_MASK_WDOG = 31 }; /* Enum of QAM Demodulator type, used in QAM configuration */ enum MXL_EAGLE_QAM_DEMOD_ANNEX_TYPE_E { MXL_EAGLE_QAM_DEMOD_ANNEX_B, /* J.83B */ MXL_EAGLE_QAM_DEMOD_ANNEX_A, /* DVB-C */ }; /* Enum of QAM Demodulator modulation, used in QAM configuration and status */ enum MXL_EAGLE_QAM_DEMOD_QAM_TYPE_E { MXL_EAGLE_QAM_DEMOD_QAM16, MXL_EAGLE_QAM_DEMOD_QAM64, MXL_EAGLE_QAM_DEMOD_QAM256, MXL_EAGLE_QAM_DEMOD_QAM1024, MXL_EAGLE_QAM_DEMOD_QAM32, MXL_EAGLE_QAM_DEMOD_QAM128, MXL_EAGLE_QAM_DEMOD_QPSK, MXL_EAGLE_QAM_DEMOD_AUTO, }; /* Enum of Demodulator IQ setup, used in QAM, OOB configuration and status */ enum MXL_EAGLE_IQ_FLIP_E { MXL_EAGLE_DEMOD_IQ_NORMAL, MXL_EAGLE_DEMOD_IQ_FLIPPED, MXL_EAGLE_DEMOD_IQ_AUTO, }; /* Enum of OOB Demodulator symbol rates, used in OOB configuration */ enum MXL_EAGLE_OOB_DEMOD_SYMB_RATE_E { MXL_EAGLE_OOB_DEMOD_SYMB_RATE_0_772MHZ, /* ANSI/SCTE 55-2 0.772 MHz */ MXL_EAGLE_OOB_DEMOD_SYMB_RATE_1_024MHZ, /* ANSI/SCTE 55-1 1.024 MHz */ MXL_EAGLE_OOB_DEMOD_SYMB_RATE_1_544MHZ, /* ANSI/SCTE 55-2 1.544 MHz */ }; /* Enum of tuner channel tuning mode */ enum MXL_EAGLE_TUNER_CHANNEL_TUNE_MODE_E { MXL_EAGLE_TUNER_CHANNEL_TUNE_MODE_VIEW, /* Normal "view" mode */ MXL_EAGLE_TUNER_CHANNEL_TUNE_MODE_SCAN, /* Fast "scan" mode */ }; /* Enum of tuner bandwidth */ enum MXL_EAGLE_TUNER_BW_E { MXL_EAGLE_TUNER_BW_6MHZ, MXL_EAGLE_TUNER_BW_7MHZ, MXL_EAGLE_TUNER_BW_8MHZ, }; /* Enum of tuner bandwidth */ enum MXL_EAGLE_JUNCTION_TEMPERATURE_E { MXL_EAGLE_JUNCTION_TEMPERATURE_BELOW_0_CELSIUS = 0, MXL_EAGLE_JUNCTION_TEMPERATURE_BETWEEN_0_TO_14_CELSIUS = 1, MXL_EAGLE_JUNCTION_TEMPERATURE_BETWEEN_14_TO_28_CELSIUS = 3, MXL_EAGLE_JUNCTION_TEMPERATURE_BETWEEN_28_TO_42_CELSIUS = 2, MXL_EAGLE_JUNCTION_TEMPERATURE_BETWEEN_42_TO_57_CELSIUS = 6, MXL_EAGLE_JUNCTION_TEMPERATURE_BETWEEN_57_TO_71_CELSIUS = 7, MXL_EAGLE_JUNCTION_TEMPERATURE_BETWEEN_71_TO_85_CELSIUS = 5, MXL_EAGLE_JUNCTION_TEMPERATURE_ABOVE_85_CELSIUS = 4, }; /* Struct passed in optional callback used during FW download */ struct MXL_EAGLE_FW_DOWNLOAD_CB_PAYLOAD_T { u32 total_len; u32 downloaded_len; }; /* Struct used of I2C protocol between host and Eagle, internal use only */ struct __packed MXL_EAGLE_HOST_MSG_HEADER_T { u8 opcode; u8 seqnum; u8 payload_size; u8 status; u32 checksum; }; /* Device version information struct */ struct __packed MXL_EAGLE_DEV_VER_T { u8 chip_id; u8 firmware_ver[MXL_EAGLE_VERSION_SIZE]; u8 mxlware_ver[MXL_EAGLE_VERSION_SIZE]; }; /* Xtal configuration struct */ struct __packed MXL_EAGLE_DEV_XTAL_T { u8 xtal_cap; /* accepted range is 1..31 pF. Default is 26 */ u8 clk_out_enable; u8 clk_out_div_enable; /* clock out freq is xtal freq / 6 */ u8 xtal_sharing_enable; /* if enabled set xtal_cap to 25 pF */ u8 xtal_calibration_enable; /* enable for master, disable for slave */ }; /* GPIO direction struct, internally used in GPIO configuration API */ struct __packed MXL_EAGLE_DEV_GPIO_DIRECTION_T { u8 gpio_number; u8 gpio_direction; }; /* GPO level struct, internally used in GPIO configuration API */ struct __packed MXL_EAGLE_DEV_GPO_LEVEL_T { u8 gpio_number; u8 gpo_level; }; /* Device Status struct */ struct MXL_EAGLE_DEV_STATUS_T { u8 temperature; u8 demod_type; u8 power_mode; u8 cpu_utilization_percent; }; /* Device interrupt configuration struct */ struct __packed MXL_EAGLE_DEV_INTR_CFG_T { u32 intr_mask; u8 edge_trigger; u8 positive_trigger; u8 global_enable_interrupt; }; /* MPEG pad drive parameters, used on MPEG output configuration */ /* See MXL_EAGLE_IO_MUX_DRIVE_MODE_E */ struct MXL_EAGLE_MPEG_PAD_DRIVE_T { u8 pad_drv_mpeg_syn; u8 pad_drv_mpeg_dat; u8 pad_drv_mpeg_val; u8 pad_drv_mpeg_clk; }; /* MPEGOUT parameter struct, used in MPEG output configuration */ struct MXL_EAGLE_MPEGOUT_PARAMS_T { u8 mpeg_parallel; u8 msb_first; u8 mpeg_sync_pulse_width; /* See MXL_EAGLE_MPEG_DATA_FORMAT_E */ u8 mpeg_valid_pol; u8 mpeg_sync_pol; u8 mpeg_clk_pol; u8 mpeg3wire_mode_enable; u8 mpeg_clk_freq; struct MXL_EAGLE_MPEG_PAD_DRIVE_T mpeg_pad_drv; }; /* QAM Demodulator parameters struct, used in QAM params configuration */ struct __packed MXL_EAGLE_QAM_DEMOD_PARAMS_T { u8 annex_type; u8 qam_type; u8 iq_flip; u8 search_range_idx; u8 spur_canceller_enable; u32 symbol_rate_hz; u32 symbol_rate_256qam_hz; }; /* QAM Demodulator status */ struct MXL_EAGLE_QAM_DEMOD_STATUS_T { u8 annex_type; u8 qam_type; u8 iq_flip; u8 interleaver_depth_i; u8 interleaver_depth_j; u8 qam_locked; u8 fec_locked; u8 mpeg_locked; u16 snr_db_tenths; s16 timing_offset; s32 carrier_offset_hz; }; /* QAM Demodulator error counters */ struct MXL_EAGLE_QAM_DEMOD_ERROR_COUNTERS_T { u32 corrected_code_words; u32 uncorrected_code_words; u32 total_code_words_received; u32 corrected_bits; u32 error_mpeg_frames; u32 mpeg_frames_received; u32 erasures; }; /* QAM Demodulator constellation point */ struct MXL_EAGLE_QAM_DEMOD_CONSTELLATION_VAL_T { s16 i_value[12]; s16 q_value[12]; }; /* QAM Demodulator equalizer filter taps */ struct MXL_EAGLE_QAM_DEMOD_EQU_FILTER_T { s16 ffe_taps[MXL_EAGLE_QAM_FFE_TAPS_LENGTH]; s16 spur_taps[MXL_EAGLE_QAM_SPUR_TAPS_LENGTH]; s16 dfe_taps[MXL_EAGLE_QAM_DFE_TAPS_LENGTH]; u8 ffe_leading_tap_index; u8 dfe_taps_number; }; /* OOB Demodulator parameters struct, used in OOB params configuration */ struct __packed MXL_EAGLE_OOB_DEMOD_PARAMS_T { u8 symbol_rate; u8 iq_flip; u8 clk_pol; }; /* OOB Demodulator error counters */ struct MXL_EAGLE_OOB_DEMOD_ERROR_COUNTERS_T { u32 corrected_packets; u32 uncorrected_packets; u32 total_packets_received; }; /* OOB status */ struct __packed MXL_EAGLE_OOB_DEMOD_STATUS_T { u16 snr_db_tenths; s16 timing_offset; s32 carrier_offsetHz; u8 qam_locked; u8 fec_locked; u8 mpeg_locked; u8 retune_required; u8 iq_flip; }; /* ATSC Demodulator status */ struct __packed MXL_EAGLE_ATSC_DEMOD_STATUS_T { s16 snr_db_tenths; s16 timing_offset; s32 carrier_offset_hz; u8 frame_lock; u8 atsc_lock; u8 fec_lock; }; /* ATSC Demodulator error counters */ struct MXL_EAGLE_ATSC_DEMOD_ERROR_COUNTERS_T { u32 error_packets; u32 total_packets; u32 error_bytes; }; /* ATSC Demodulator equalizers filter taps */ struct __packed MXL_EAGLE_ATSC_DEMOD_EQU_FILTER_T { s16 ffe_taps[MXL_EAGLE_ATSC_FFE_TAPS_LENGTH]; s8 dfe_taps[MXL_EAGLE_ATSC_DFE_TAPS_LENGTH]; }; /* Tuner AGC Status */ struct __packed MXL_EAGLE_TUNER_AGC_STATUS_T { u8 locked; u16 raw_agc_gain; /* AGC gain [dB] = rawAgcGain / 2^6 */ s16 rx_power_db_hundredths; }; /* Tuner channel tune parameters */ struct __packed MXL_EAGLE_TUNER_CHANNEL_PARAMS_T { u32 freq_hz; u8 tune_mode; u8 bandwidth; }; /* Tuner channel lock indications */ struct __packed MXL_EAGLE_TUNER_LOCK_STATUS_T { u8 rf_pll_locked; u8 ref_pll_locked; }; /* Smart antenna parameters used in Smart antenna params configuration */ struct __packed MXL_EAGLE_SMA_PARAMS_T { u8 full_duplex_enable; u8 rx_disable; u8 idle_logic_high; }; /* Smart antenna message format */ struct __packed MXL_EAGLE_SMA_MESSAGE_T { u32 payload_bits; u8 total_num_bits; };