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https://github.com/holub/mame
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be92cc6c65
-ucb1200: Added skeleton device for Philips UCB1200 audio/telecom codec. [Ryan Holtz] -sa1110: Added rudimentary framework for the MCP codec interface module. [Ryan Holtz]
148 lines
3.5 KiB
C++
148 lines
3.5 KiB
C++
// license:BSD-3-Clause
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// copyright-holders:Ryan Holtz
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/***************************************************************************
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Philips UCB1200 Advanced modem/audio analog front-end skeleton
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***************************************************************************/
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#ifndef MAME_MACHINE_UCB1200
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#define MAME_MACHINE_UCB1200
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#pragma once
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class ucb1200_device : public device_t
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{
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public:
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ucb1200_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
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template <unsigned Line> auto gpio_out() { return m_gpio_out[Line].bind(); }
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template <unsigned Line> void gpio_in(int state) { gpio_in((uint16_t)Line, state); }
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template <unsigned N> auto adc_in() { return m_adc_in[N].bind(); }
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auto audio_sample_out() { return m_audio_out.bind(); }
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auto telecom_sample_out() { return m_telecom_out.bind(); }
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auto irq_out() { return m_irq_out.bind(); }
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void audio_sample_in(const uint16_t sample);
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void telecom_sample_in(const uint16_t sample);
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uint16_t read(offs_t offset);
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void write(offs_t offset, uint16_t data);
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protected:
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virtual void device_start() override;
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virtual void device_reset() override;
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void gpio_in(const uint16_t line, const int state);
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void update_gpio_direction(const uint16_t old_dir);
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void update_gpio_outputs(const uint16_t old_latch, const uint16_t changed);
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void adc_begin_conversion();
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// register contents
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enum : uint16_t
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{
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SIB_ZERO_BIT = 15,
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IO_INT0_BIT = 0,
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ADC_INT_BIT = 11,
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TSPX_INT_BIT = 12,
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TSMX_INT_BIT = 13,
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TCLIP_INT_BIT = 14,
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ACLIP_INT_BIT = 15,
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TEL_DIV_BIT = 0,
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TEL_DIV_MASK = 0x007f,
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TEL_LOOP_BIT = 7,
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TEL_VOICE_ENA_BIT = 3,
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TEL_CLIP_BIT = 4,
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TEL_ATT_BIT = 6,
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TEL_SIDE_ENA_BIT = 11,
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TEL_MUTE_BIT = 13,
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TEL_IN_ENA_BIT = 14,
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TEL_OUT_ENA_BIT = 15,
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AUD_DIV_BIT = 0,
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AUD_DIV_MASK = 0x007f,
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AUD_GAIN_BIT = 7,
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AUD_GAIN_MASK = 0x0f80,
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AUD_ATT_BIT = 0,
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AUD_ATT_MASK = 0x001f,
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AUD_CLIP_BIT = 6,
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AUD_LOOP_BIT = 8,
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AUD_MUTE_BIT = 13,
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AUD_IN_ENA_BIT = 14,
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AUD_OUT_ENA_BIT = 15,
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TSMX_POW_BIT = 0,
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TSPX_POW_BIT = 1,
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TSMY_POW_BIT = 2,
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TSPY_POW_BIT = 3,
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TSMX_GND_BIT = 4,
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TSPX_GND_BIT = 5,
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TSMY_GND_BIT = 6,
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TSPY_GND_BIT = 7,
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TSC_MODE_BIT = 8,
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TSC_MODE_MASK = 0x0300,
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TSC_BIAS_ENA_BIT = 11,
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TSPX_LOW_BIT = 12,
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TSMX_LOW_BIT = 13,
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TOUCH_WRITE_MASK = 0x0fff,
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ADC_SYNC_ENA_BIT = 0,
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VREFBYP_CON_BIT = 1,
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ADC_INPUT_BIT = 2,
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ADC_INPUT_MASK = 0x001c,
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ADC_INPUT_TSPX = 0,
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ADC_INPUT_TSMX = 1,
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ADC_INPUT_TSPY = 2,
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ADC_INPUT_TSMY = 3,
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ADC_INPUT_AD0 = 4,
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ADC_INPUT_AD1 = 5,
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ADC_INPUT_AD2 = 6,
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ADC_INPUT_AD3 = 7,
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EXT_REF_ENA_BIT = 5,
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ADC_START_BIT = 7,
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ADC_ENA_BIT = 15,
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ADC_DATA_BIT = 5,
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ADC_DATA_MASK = 0x7fe0,
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ADC_DAT_VAL_BIT = 15,
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AUD_TEST_BIT = 0,
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TEL_TEST_BIT = 1,
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PROD_TEST_MODE_BIT = 2,
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PROD_TEST_MODE_MASK = 0x003c,
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DYN_VFLAG_ENA_BIT = 12,
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AUD_OFF_CAN_BIT = 13
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};
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uint16_t m_gpio_out_latch;
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uint16_t m_gpio_in_latch;
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uint16_t m_gpio_dir;
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uint16_t m_rising_int_en;
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uint16_t m_falling_int_en;
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uint16_t m_int_status;
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uint16_t m_telecom_ctrl_a;
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uint16_t m_telecom_ctrl_b;
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uint16_t m_audio_ctrl_a;
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uint16_t m_audio_ctrl_b;
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uint16_t m_touch_ctrl;
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uint16_t m_adc_ctrl;
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uint16_t m_adc_data;
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uint16_t m_id;
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uint16_t m_mode;
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devcb_write_line::array<10> m_gpio_out;
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devcb_write16 m_audio_out;
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devcb_write16 m_telecom_out;
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devcb_write_line m_irq_out;
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devcb_read16::array<4> m_adc_in;
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};
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DECLARE_DEVICE_TYPE(UCB1200, ucb1200_device)
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#endif // MAME_MACHINE_UCB1200
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