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// license:BSD-3-Clause
// copyright-holders:Ted Green
// Creative Labs Ensonic AudioPCI97 ES1373
#ifndef MAME_SOUND_ES1373_H
#define MAME_SOUND_ES1373_H

#pragma once

#include "machine/pci.h"

#define MCFG_ES1373_IRQ_HANDLER(cb) \
	downcast<es1373_device &>(*device).set_irq_handler(DEVCB_##cb);

class es1373_device : public pci_device, public device_sound_interface
{
public:
	es1373_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

	virtual void map_extra(uint64_t memory_window_start, uint64_t memory_window_end, uint64_t memory_offset, address_space *memory_space,
							uint64_t io_window_start, uint64_t io_window_end, uint64_t io_offset, address_space *io_space) override;

	template <typename T> devcb_base &set_irq_handler(T &&cb) { return m_irq_handler.set_callback(std::forward<T>(cb)); }
	auto irq_handler() { return m_irq_handler.bind(); }

	DECLARE_READ32_MEMBER (reg_r);
	DECLARE_WRITE32_MEMBER(reg_w);

protected:
	virtual void device_resolve_objects() override;
	virtual void device_start() override;
	virtual void device_stop() override;
	virtual void device_reset() override;
	virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
	virtual void device_add_mconfig(machine_config &config) override;
	virtual void device_post_load() override;
	virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override;

	// Sound stream
	sound_stream *m_stream;

	FILE *m_eslog;

private:
	struct chan_info {
		int number;
		bool enable;
		bool int_en;
		bool loop_en;
		bool initialized;
		uint8_t  format;       // Format of channel
		uint32_t buf_wptr;     // Address to sample cache memory
		uint32_t buf_rptr;     // Address to sample cache memory
		uint16_t buf_count;    // Number of samples that have been played
		uint16_t buf_size;     // Number of samples minus one to play
		uint32_t pci_addr;     // PCI Address for system memory accesses
		uint16_t pci_count;    // Number of 32 bits transferred
		uint16_t pci_size;     // Total number of words (32 bits) minus one in system memory
	};

	void transfer_pci_audio(chan_info& chan, int type);
	uint32_t calc_size(const uint8_t &format);
	void send_audio_out(chan_info& chan, uint32_t intr_mask, stream_sample_t *outL, stream_sample_t *outR, int samples);

	uint32_t m_tempCount;
	emu_timer *m_timer;
	address_space *m_memory_space;
	devcb_write_line m_irq_handler;
	int m_irq_num;
	void map(address_map &map);
	uint16_t m_ac97_regs[0x80];
	uint32_t m_es_regs[0x10];
	uint32_t m_sound_cache[0x40];
	uint16_t m_src_ram[0x80];
	chan_info m_dac1;
	chan_info m_dac2;
	chan_info m_adc;
};

DECLARE_DEVICE_TYPE(ES1373, es1373_device)

#endif // MAME_SOUND_ES1373_H