688 lines
15 KiB
C++

/*
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2023 Great Scott Gadgets
*
* This file is part of PortaPack.
*
* 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, or (at your option)
* any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef __MAX2839_H__
#define __MAX2839_H__
#include "max283x.hpp"
#include "gpio.hpp"
#include "spi_arbiter.hpp"
#include <cstdint>
#include <array>
#include "dirty_registers.hpp"
#include "utility.hpp"
namespace max2839 {
using namespace max283x;
constexpr size_t reg_count = 32;
enum class Register : address_t {
RXENABLE = 0,
RXRF_1 = 1,
RXRF_2 = 2,
RXRF_LPF = 3,
LPF = 4,
LPF_VGA_1 = 5,
LPF_VGA_2 = 6,
RSSI_VGA = 7,
RX_TOP_1 = 8,
RX_TOP_2 = 9,
TX_TOP_1 = 10,
TEMP_SENSE = 11,
HPFSM_1 = 12,
HPFSM_2 = 13,
HPFSM_3 = 14,
HPFSM_4 = 15,
SPI_EN = 16,
SYN_FR_DIV_1 = 17,
SYN_FR_DIV_2 = 18,
SYN_INT_DIV = 19,
SYN_CFG_1 = 20,
SYN_CFG_2 = 21,
VAS_CFG = 22,
LO_MISC = 23,
XTAL_CFG = 24,
VCO_CFG = 25,
LO_GEN = 26,
PA_DRV = 27,
PA_DAC = 28,
TX_GAIN = 29,
TX_LO_IQ = 30,
TX_DC_CORR = 31,
};
struct RXENABLE_Type {
reg_t RESERVED0 : 10;
reg_t RESERVED1 : 6;
};
static_assert(sizeof(RXENABLE_Type) == sizeof(reg_t), "RXENABLE_Type wrong size");
struct RXRF_1_Type {
reg_t LNAband : 1;
reg_t RESERVED0 : 1;
reg_t MIMOmode : 1;
reg_t iqerr_trim : 5;
reg_t RESERVED1 : 6;
};
static_assert(sizeof(RXRF_1_Type) == sizeof(reg_t), "RXRF_1_Type wrong size");
struct RXRF_2_Type {
reg_t LNAgain_SPI_EN : 1;
reg_t RESERVED0 : 1;
reg_t RX_IQERR_SPI_EN : 1;
reg_t RESERVED1 : 7;
reg_t RESERVED2 : 6;
};
static_assert(sizeof(RXRF_2_Type) == sizeof(reg_t), "RXRF_2_Type wrong size");
struct RXRF_LPF_Type {
reg_t RESERVED0 : 10;
reg_t RESERVED1 : 6;
};
static_assert(sizeof(RXRF_LPF_Type) == sizeof(reg_t), "RXRF_LPF_Type wrong size");
struct LPF_Type {
reg_t RESERVED0 : 2;
reg_t dF : 2;
reg_t RESERVED1 : 2;
reg_t FT : 4;
reg_t RESERVED2 : 6;
};
static_assert(sizeof(LPF_Type) == sizeof(reg_t), "LPF_Type wrong size");
struct LPF_VGA_1_Type {
reg_t L : 2;
reg_t VGA : 6;
reg_t ModeCtrl : 2;
reg_t RESERVED0 : 6;
};
static_assert(sizeof(LPF_VGA_1_Type) == sizeof(reg_t), "LPF_VGA_1_Type wrong size");
struct LPF_VGA_2_Type {
reg_t L : 2;
reg_t VGA : 6;
reg_t BUFF_VCM : 2;
reg_t RESERVED0 : 6;
};
static_assert(sizeof(LPF_VGA_2_Type) == sizeof(reg_t), "LPF_VGA_2_Type wrong size");
struct RSSI_VGA_Type {
reg_t RESERVED0 : 1;
reg_t RSSI_MUX : 1;
reg_t RSSI_MODE : 1;
reg_t RESERVED1 : 4;
reg_t RXBB_OUT_SEL : 1;
reg_t RESERVED2 : 1;
reg_t RSSI_INPUT : 1;
reg_t RESERVED3 : 6;
};
static_assert(sizeof(RSSI_VGA_Type) == sizeof(reg_t), "RSSI_VGA_Type wrong size");
struct RX_TOP_1_Type {
reg_t RESERVED0 : 1;
reg_t VGAgain_SPI_EN : 1;
reg_t LPF_MODE_SEL : 1;
reg_t RESERVED1 : 7;
reg_t RESERVED2 : 6;
};
static_assert(sizeof(RX_TOP_1_Type) == sizeof(reg_t), "RX_TOP_1_Type wrong size");
struct RX_TOP_2_Type {
reg_t ts_adc_trigger : 1;
reg_t ts_en : 1;
reg_t RESERVED0 : 1;
reg_t DOUT_DRVH : 1;
reg_t DOUT_CSB_SEL : 1;
reg_t DOUT_SEL : 3;
reg_t RESERVED1 : 2;
reg_t RESERVED2 : 6;
};
static_assert(sizeof(RX_TOP_2_Type) == sizeof(reg_t), "RX_TOP_2_Type wrong size");
struct TX_TOP_1_Type {
reg_t TXCAL_GAIN : 2;
reg_t TXCAL_V2I_FILT : 3;
reg_t RESERVED1 : 5;
reg_t RESERVED2 : 6;
};
static_assert(sizeof(TX_TOP_1_Type) == sizeof(reg_t), "TX_TOP_1_Type wrong size");
struct TEMP_SENSE_Type {
reg_t RESERVED0 : 10;
reg_t RESERVED1 : 6;
};
static_assert(sizeof(TEMP_SENSE_Type) == sizeof(reg_t), "TEMP_SENSE_Type wrong size");
struct HPFSM_1_Type {
reg_t HPC_10M : 2;
reg_t HPC_10M_GAIN : 2;
reg_t HPC_600k : 3;
reg_t HPC_600k_GAIN : 3;
reg_t RESERVED0 : 6;
};
static_assert(sizeof(HPFSM_1_Type) == sizeof(reg_t), "HPFSM_1_Type wrong size");
struct HPFSM_2_Type {
reg_t HPC_100k : 2;
reg_t HPC_100k_GAIN : 2;
reg_t HPC_30k : 2;
reg_t HPC_30k_GAIN : 2;
reg_t HPC_1k : 2;
reg_t RESERVED0 : 6;
};
static_assert(sizeof(HPFSM_2_Type) == sizeof(reg_t), "HPFSM_2_Type wrong size");
struct HPFSM_3_Type {
reg_t HPC_1k_B7B6 : 2;
reg_t HPC_DELAY : 2;
reg_t HPC_STOP : 2;
reg_t HPC_STOP_M2 : 2;
reg_t HPC_RXGAIN_EN : 1;
reg_t TXGATE_EN : 1;
reg_t RESERVED0 : 6;
};
static_assert(sizeof(HPFSM_3_Type) == sizeof(reg_t), "HPFSM_3_Type wrong size");
struct HPFSM_4_Type {
reg_t HPC_DIVH : 1;
reg_t RESERVED0 : 5;
reg_t HPC_SEQ_BYP : 1;
reg_t RESERVED1 : 2;
reg_t HPC_MODE : 1;
reg_t RESERVED2 : 6;
};
static_assert(sizeof(HPFSM_4_Type) == sizeof(reg_t), "HPFSM_4_Type wrong size");
struct SPI_EN_Type {
reg_t EN_SPI : 1;
reg_t CAL_SPI : 1;
reg_t RESERVED0 : 4;
reg_t PADAC_SPI_EN : 1;
reg_t PADAC_TX_EN : 1;
reg_t RESERVED1 : 2;
reg_t RESERVED2 : 6;
};
static_assert(sizeof(SPI_EN_Type) == sizeof(reg_t), "SPI_EN_Type wrong size");
struct SYN_FR_DIV_1_Type {
reg_t SYN_FRDIV_9_0 : 10;
reg_t RESERVED0 : 6;
};
static_assert(sizeof(SYN_FR_DIV_1_Type) == sizeof(reg_t), "SYN_FR_DIV_1_Type wrong size");
struct SYN_FR_DIV_2_Type {
reg_t SYN_FRDIV_19_10 : 10;
reg_t RESERVED0 : 6;
};
static_assert(sizeof(SYN_FR_DIV_2_Type) == sizeof(reg_t), "SYN_FR_DIV_2_Type wrong size");
struct SYN_INT_DIV_Type {
reg_t SYN_INTDIV : 8;
reg_t LOGEN_BSW : 2;
reg_t RESERVED0 : 6;
};
static_assert(sizeof(SYN_INT_DIV_Type) == sizeof(reg_t), "SYN_INT_DIV_Type wrong size");
struct SYN_CFG_1_Type {
reg_t RESERVED0 : 1;
reg_t SYN_REF_DIV_RATIO : 2;
reg_t RESERVED1 : 2;
reg_t SYN_CLOCKOUT_DRIVE : 1;
reg_t RESERVED2 : 4;
reg_t RESERVED3 : 6;
};
static_assert(sizeof(SYN_CFG_1_Type) == sizeof(reg_t), "SYN_CFG_1_Type wrong size");
struct SYN_CFG_2_Type {
reg_t RESERVED0 : 10;
reg_t RESERVED1 : 6;
};
static_assert(sizeof(SYN_CFG_2_Type) == sizeof(reg_t), "SYN_CFG_2_Type wrong size");
struct VAS_CFG_Type {
reg_t VAS_MODE : 1;
reg_t VAS_RELOCK_SEL : 1;
reg_t VAS_DIV : 3;
reg_t VAS_DLY : 2;
reg_t VAS_TRIG_EN : 1;
reg_t RESERVED0 : 2;
reg_t RESERVED1 : 6;
};
static_assert(sizeof(VAS_CFG_Type) == sizeof(reg_t), "VAS_CFG_Type wrong size");
struct LO_MISC_Type {
reg_t VAS_SPI : 5;
reg_t XTAL_BIAS_SEL : 2;
reg_t RESERVED0 : 3;
reg_t RESERVED1 : 6;
};
static_assert(sizeof(LO_MISC_Type) == sizeof(reg_t), "LO_MISC_Type wrong size");
struct XTAL_CFG_Type {
reg_t XTAL_FTUNE : 7;
reg_t RESERVED0 : 1;
reg_t XTAL_CLKOUT_DIV : 1;
reg_t XTAL_CORE_EN : 1;
reg_t RESERVED1 : 6;
};
static_assert(sizeof(XTAL_CFG_Type) == sizeof(reg_t), "XTAL_CFG_Type wrong size");
struct VCO_CFG_Type {
reg_t RESERVED0 : 10;
reg_t RESERVED1 : 6;
};
static_assert(sizeof(VCO_CFG_Type) == sizeof(reg_t), "VCO_CFG_Type wrong size");
struct LO_GEN_Type {
reg_t RESERVED0 : 3;
reg_t LOGEN_2GM : 1;
reg_t RESERVED1 : 2;
reg_t VAS_TST : 4;
reg_t RESERVED2 : 6;
};
static_assert(sizeof(LO_GEN_Type) == sizeof(reg_t), "LO_GEN_Type wrong size");
struct PA_DRV_Type {
reg_t TXLO_IQ_SPI : 6;
reg_t TXLO_IQ_SPI_EN : 1;
reg_t TXVGA_GAIN_SPI_EN : 1;
reg_t TX_DCCORR_SPI_EN : 1;
reg_t RESERVED0 : 1;
reg_t RESERVED1 : 6;
};
static_assert(sizeof(PA_DRV_Type) == sizeof(reg_t), "PA_DRV_Type wrong size");
struct PA_DAC_Type {
reg_t PADAC_BIAS : 6;
reg_t PADAC_DLY : 4;
reg_t RESERVED0 : 6;
};
static_assert(sizeof(PA_DAC_Type) == sizeof(reg_t), "PA_DAC_Type wrong size");
struct TX_GAIN_Type {
reg_t TXVGA_GAIN_SPI : 6;
reg_t RESERVED0 : 4;
reg_t RESERVED1 : 6;
};
static_assert(sizeof(TX_GAIN_Type) == sizeof(reg_t), "TX_GAIN_Type wrong size");
struct TX_LO_IQ_Type {
reg_t TX_DCCORR_I : 6;
reg_t RESERVED0 : 2;
reg_t PADAC_IV : 1;
reg_t PADAC_VMODE : 1;
reg_t RESERVED1 : 6;
};
static_assert(sizeof(TX_LO_IQ_Type) == sizeof(reg_t), "TX_LO_IQ_Type wrong size");
struct TX_DC_CORR_Type {
reg_t TX_DCCORR_Q : 6;
reg_t RESERVED0 : 3;
reg_t PADAC_DIVH : 1;
reg_t RESERVED1 : 6;
};
static_assert(sizeof(TX_DC_CORR_Type) == sizeof(reg_t), "TX_DC_CORR_Type wrong size");
struct Register_Type {
RXENABLE_Type rxenable; /* 0 */
RXRF_1_Type rxrf_1;
RXRF_2_Type rxrf_2;
RXRF_LPF_Type rxrf_lpf_1;
LPF_Type lpf; /* 4 */
LPF_VGA_1_Type lpf_vga_1;
LPF_VGA_2_Type lpf_vga_2;
RSSI_VGA_Type rssi_vga;
RX_TOP_1_Type rx_top_1; /* 8 */
RX_TOP_2_Type rx_top_2;
TX_TOP_1_Type tx_top_1;
TEMP_SENSE_Type temp_sense;
HPFSM_1_Type hpfsm_1; /* 12 */
HPFSM_2_Type hpfsm_2;
HPFSM_3_Type hpfsm_3;
HPFSM_4_Type hpfsm_4;
SPI_EN_Type spi_en; /* 16 */
SYN_FR_DIV_1_Type syn_fr_div_1;
SYN_FR_DIV_2_Type syn_fr_div_2;
SYN_INT_DIV_Type syn_int_div;
SYN_CFG_1_Type syn_cfg_1; /* 20 */
SYN_CFG_2_Type syn_cfg_2;
VAS_CFG_Type vas_cfg;
LO_MISC_Type lo_misc;
XTAL_CFG_Type xtal_cfg; /* 24 */
VCO_CFG_Type vco_cfg;
LO_GEN_Type lo_gen;
PA_DRV_Type pa_drv;
PA_DAC_Type pa_dac; /* 28 */
TX_GAIN_Type tx_gain;
TX_LO_IQ_Type tx_lo_iq;
TX_DC_CORR_Type tx_dc_corr;
};
static_assert(sizeof(Register_Type) == reg_count * sizeof(reg_t), "Register_Type wrong size");
struct RegisterMap {
constexpr RegisterMap(
Register_Type values
) : r(values)
{
}
union {
Register_Type r;
std::array<reg_t, reg_count> w;
};
};
static_assert(sizeof(RegisterMap) == reg_count * sizeof(reg_t), "RegisterMap type wrong size");
constexpr RegisterMap initial_register_values { Register_Type {
/* settings recommended by MAX2839 data sheet */
.rxenable = { /* 0 */
.RESERVED0 = 0,
.RESERVED1 = 0,
},
.rxrf_1 = { /* 1 */
.LNAband = 0,
.RESERVED0 = 0,
.MIMOmode = 1,
.iqerr_trim = 0b000001,
.RESERVED1 = 0,
},
.rxrf_2 = { /* 2 */
.LNAgain_SPI_EN = 0,
.RESERVED0 = 0,
.RX_IQERR_SPI_EN = 0,
.RESERVED1 = 0b0010000,
.RESERVED2 = 0,
},
.rxrf_lpf_1 = { /* 3 */
.RESERVED0 = 0b0110111001,
.RESERVED1 = 0,
},
.lpf = { /* 4 */
.RESERVED0 = 0b10,
.dF = 0b01,
.RESERVED1 = 0b10,
.FT = 0b1111,
.RESERVED2 = 0,
},
.lpf_vga_1 = { /* 5 */
.L = 0b00,
.VGA = 0b000000,
.ModeCtrl = 0b01,
.RESERVED0 = 0,
},
.lpf_vga_2 = { /* 6 */
.L = 0b00,
.VGA = 0b000000,
.BUFF_VCM = 0b00,
.RESERVED0 = 0,
},
.rssi_vga = { /* 7 */
.RESERVED0 = 0,
.RSSI_MUX = 0,
.RSSI_MODE = 0,
.RESERVED1 = 0b0001,
.RXBB_OUT_SEL = 0,
.RESERVED2 = 0,
.RSSI_INPUT = 1,
.RESERVED3 = 0,
},
.rx_top_1 = { /* 8 */
.RESERVED0 = 0,
.VGAgain_SPI_EN = 0,
.LPF_MODE_SEL = 0,
.RESERVED1 = 0b1000100,
.RESERVED2 = 0,
},
.rx_top_2 = { /* 9 */
.ts_adc_trigger = 0,
.ts_en = 0,
.RESERVED0 = 0,
.DOUT_DRVH = 1,
.DOUT_CSB_SEL = 1,
.DOUT_SEL = 0b000,
.RESERVED1 = 0b00,
.RESERVED2 = 0,
},
.tx_top_1 = { /* 10 */
.TXCAL_GAIN = 0b00,
.TXCAL_V2I_FILT = 0b011,
.RESERVED1 = 0b00000,
.RESERVED2 = 0,
},
.temp_sense = { /* 11 */
.RESERVED0 = 0b0000000100,
.RESERVED1 = 0,
},
.hpfsm_1 = { /* 12 */
.HPC_10M = 0b11,
.HPC_10M_GAIN = 0b11,
.HPC_600k = 0b100,
.HPC_600k_GAIN = 0b100,
.RESERVED0 = 0,
},
.hpfsm_2 = { /* 13 */
.HPC_100k = 0b00,
.HPC_100k_GAIN = 0b00,
.HPC_30k = 0b01,
.HPC_30k_GAIN = 0b01,
.HPC_1k = 0b01,
.RESERVED0 = 0,
},
.hpfsm_3 = { /* 14 */
.HPC_1k_B7B6 = 0b01,
.HPC_DELAY = 0b01,
.HPC_STOP = 0b00,
.HPC_STOP_M2 = 0b11,
.HPC_RXGAIN_EN = 1,
.TXGATE_EN = 1,
.RESERVED0 = 0,
},
.hpfsm_4 = { /* 15 */
.HPC_DIVH = 1,
.RESERVED0 = 0b00000,
.HPC_SEQ_BYP = 0,
.RESERVED1 = 0b00,
.HPC_MODE = 1,
.RESERVED2 = 0,
},
.spi_en = { /* 16 */
.EN_SPI = 0,
.CAL_SPI = 0,
.RESERVED0 = 0b0111,
.PADAC_SPI_EN = 0,
.PADAC_TX_EN = 0,
.RESERVED1 = 0b00,
.RESERVED2 = 0,
},
.syn_fr_div_1 = { /* 17 */
.SYN_FRDIV_9_0 = 0b0101010101,
.RESERVED0 = 0,
},
.syn_fr_div_2 = { /* 18 */
.SYN_FRDIV_19_10 = 0b0101010101,
.RESERVED0 = 0,
},
.syn_int_div = { /* 19 */
.SYN_INTDIV = 0b01010011,
.LOGEN_BSW = 0b01,
.RESERVED0 = 0,
},
.syn_cfg_1 = { /* 20 */
.RESERVED0 = 1,
.SYN_REF_DIV_RATIO = 0b00,
.RESERVED1 = 0b01,
.SYN_CLOCKOUT_DRIVE = 0,
.RESERVED2 = 0b1001,
.RESERVED3 = 0,
},
.syn_cfg_2 = { /* 21 */
.RESERVED0 = 0b0000101101,
.RESERVED1 = 0,
},
.vas_cfg = { /* 22 */
.VAS_MODE = 1,
.VAS_RELOCK_SEL = 0,
.VAS_DIV = 0b010,
.VAS_DLY = 0b01,
.VAS_TRIG_EN = 1,
.RESERVED0 = 0b01,
.RESERVED1 = 0,
},
.lo_misc = { /* 23 */
.VAS_SPI = 0b01111,
.XTAL_BIAS_SEL = 0b10,
.RESERVED0 = 0b100,
.RESERVED1 = 0,
},
.xtal_cfg = { /* 24 */
.XTAL_FTUNE = 0b0000000,
.RESERVED0 = 1,
.XTAL_CLKOUT_DIV = 1,
.XTAL_CORE_EN = 0,
.RESERVED1 = 0,
},
.vco_cfg = { /* 25 */
.RESERVED0 = 0b0000000000,
.RESERVED1 = 0,
},
.lo_gen = { /* 26 */
.RESERVED0 = 0b000,
.LOGEN_2GM = 0,
.RESERVED1 = 0b00,
.VAS_TST = 0b1111,
.RESERVED2 = 0,
},
.pa_drv = { /* 27 */
.TXLO_IQ_SPI = 0b000000,
.TXLO_IQ_SPI_EN = 0,
.TXVGA_GAIN_SPI_EN = 0,
.TX_DCCORR_SPI_EN = 0,
.RESERVED0 = 1,
.RESERVED1 = 0,
},
.pa_dac = { /* 28 */
.PADAC_BIAS = 0b000000,
.PADAC_DLY = 0b0011,
.RESERVED0 = 0,
},
.tx_gain = { /* 29 */
.TXVGA_GAIN_SPI = 0b111111,
.RESERVED0 = 0b0000,
.RESERVED1 = 0,
},
.tx_lo_iq = { /* 30 */
.TX_DCCORR_I = 0b000000,
.RESERVED0 = 0b00,
.PADAC_IV = 1,
.PADAC_VMODE = 1,
.RESERVED1 = 0,
},
.tx_dc_corr = { /* 31 */
.TX_DCCORR_Q = 0b000000,
.RESERVED0 = 0b101,
.PADAC_DIVH = 1,
.RESERVED1 = 0,
},
} };
class MAX2839 : public MAX283x {
public:
constexpr MAX2839(
spi::arbiter::Target& target
) : _target(target)
{
}
void init() override;
void set_mode(const Mode mode) override;
void set_tx_vga_gain(const int_fast8_t db) override;
void set_lna_gain(const int_fast8_t db) override;
void set_vga_gain(const int_fast8_t db) override;
void set_lpf_rf_bandwidth(const uint32_t bandwidth_minimum) override;
bool set_frequency(const rf::Frequency lo_frequency) override;
void set_rx_lo_iq_calibration(const size_t v) override;
void set_rx_buff_vcm(const size_t v) override;
reg_t temp_sense() override;
reg_t read(const address_t reg_num) override;
private:
spi::arbiter::Target& _target;
RegisterMap _map { initial_register_values };
DirtyRegisters<Register, reg_count> _dirty { };
void flush_one(const Register reg);
void write(const address_t reg_num, const reg_t value);
void write(const Register reg, const reg_t value);
reg_t read(const Register reg);
void flush();
void configure_rx_gain();
};
}
#endif/*__MAX2839_H__*/