diff options
Diffstat (limited to 'src/devices/machine/spg290_i2c.h')
-rw-r--r-- | src/devices/machine/spg290_i2c.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/devices/machine/spg290_i2c.h b/src/devices/machine/spg290_i2c.h new file mode 100644 index 00000000000..9b6c35cd9d9 --- /dev/null +++ b/src/devices/machine/spg290_i2c.h @@ -0,0 +1,46 @@ +// license:BSD-3-Clause +// copyright-holders:Sandro Ronco + + +#ifndef MAME_MACHINE_SPG290_I2C_H +#define MAME_MACHINE_SPG290_I2C_H + +#pragma once + +class spg290_i2c_device : public device_t +{ +public: + spg290_i2c_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + void write(offs_t offset, uint32_t data, uint32_t mem_mask); + uint32_t read(offs_t offset, uint32_t mem_mask); + + auto irq_cb() { return m_irq_cb.bind(); } + auto i2c_read_cb() { return m_i2c_read_cb.bind(); } + auto i2c_write_cb() { return m_i2c_write_cb.bind(); } + +protected: + virtual void device_start() override; + virtual void device_reset() override; + + virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; + +private: + devcb_write_line m_irq_cb; + devcb_read16 m_i2c_read_cb; + devcb_write16 m_i2c_write_cb; + + emu_timer *m_i2c_timer; + + uint32_t m_config; + uint32_t m_irq_control; + uint32_t m_clock_conf; + uint32_t m_id; + uint32_t m_port_addr; + uint32_t m_wdata; + uint32_t m_rdata; +}; + +DECLARE_DEVICE_TYPE(SPG290_I2C, spg290_i2c_device) + +#endif // MAME_MACHINE_SPG290_I2C_H |