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Diffstat (limited to 'src/devices/machine/spg290_i2c.h')
-rw-r--r--src/devices/machine/spg290_i2c.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/src/devices/machine/spg290_i2c.h b/src/devices/machine/spg290_i2c.h
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index 00000000000..9b6c35cd9d9
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+++ b/src/devices/machine/spg290_i2c.h
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+// 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