// license:BSD-3-Clause // copyright-holders:Ryan Holtz /*************************************************************************** Philips UDA1344 Stereo Audio Codec skeleton ****************************************************************************/ #ifndef MAME_SOUND_UDA1344_H #define MAME_SOUND_UDA1344_H #pragma once class uda1344_device : public device_t, public device_sound_interface { public: uda1344_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0); void l3_addr_w(offs_t offset, uint8_t data); void l3_data_w(offs_t offset, uint8_t data); auto l3_ack_out() { return m_l3_ack_out.bind(); } void i2s_input_w(uint32_t data); protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; virtual void device_clock_changed() override; // sound stream update overrides virtual void sound_stream_update(sound_stream &stream, std::vector const &inputs, std::vector &outputs) override; void ingest_samples(int16_t left, int16_t right); void set_clock_divider(const uint32_t divider); static constexpr double BASE_FREQUENCY = 44100; static constexpr size_t BUFFER_SIZE = 65536; enum : uint8_t { CHIP_ADDR_MASK = 0xfc, CHIP_ADDR = 0x14, REG_TYPE_MASK = 0xc0, REG_TYPE_BIT = 6, VOLUME_REG = 0x00, VOLUME_REG_MASK = 0x3f, EQUALIZER_REG = 0x01, EQUALIZER_REG_MASK = 0x3f, EQUALIZER_BB_MASK = 0x3c, EQUALIZER_BB_BIT = 2, EQUALIZER_TR_MASK = 0x03, EQUALIZER_TR_BIT = 0, FILTER_REG = 0x02, FILTER_REG_MASK = 0x1f, FILTER_DE_MASK = 0x18, FILTER_DE_BIT = 3, FILTER_MT_BIT = 2, FILTER_MODE_MASK = 0x03, FILTER_MODE_BIT = 0, POWER_REG = 0x03, POWER_REG_MASK = 0x03, POWER_ADC_BIT = 1, POWER_DAC_BIT = 0, STATUS_REG_MASK = 0x3f, STATUS_SC_MASK = 0x30, STATUS_SC_BIT = 4, STATUS_IF_MASK = 0x0e, STATUS_IF_BIT = 1, STATUS_DC_BIT = 0 }; sound_stream *m_stream; std::vector m_buffer[2]; uint32_t m_bufin[2]; uint32_t m_bufout[2]; stream_buffer::sample_t m_volume; double m_frequency; uint8_t m_data_transfer_mode; uint8_t m_status_reg; uint32_t m_clock_divider; uint8_t m_volume_reg; uint8_t m_equalizer_reg; uint8_t m_filter_reg; uint8_t m_power_reg; bool m_dac_enable; bool m_adc_enable; devcb_write_line m_l3_ack_out; }; DECLARE_DEVICE_TYPE(UDA1344, uda1344_device) #endif // MAME_SOUND_UDA1344_H