diff options
Diffstat (limited to 'src/devices/sound/uda1344.h')
-rw-r--r-- | src/devices/sound/uda1344.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/src/devices/sound/uda1344.h b/src/devices/sound/uda1344.h new file mode 100644 index 00000000000..6cc895e2245 --- /dev/null +++ b/src/devices/sound/uda1344.h @@ -0,0 +1,104 @@ +// 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 ATTR_COLD; + virtual void device_reset() override ATTR_COLD; + virtual void device_clock_changed() override; + + // sound stream update overrides + virtual void sound_stream_update(sound_stream &stream) 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<sound_stream::sample_t> m_buffer[2]; + uint32_t m_bufin[2]; + uint32_t m_bufout[2]; + sound_stream::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 |