summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/sound/es1373.h
blob: bb07d72afd0a270cf4448d626913faeb677c4ce2 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
// 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"

// No interrupts
#define MCFG_ES1373_ADD(_tag) \
	MCFG_PCI_DEVICE_ADD(_tag, ES1373, 0x12741371, 0x04, 0x040100, 0x12741371)

#define MCFG_ES1373_IRQ_ADD(_cpu_tag, _irq_num) \
	downcast<es1373_device *>(device)->set_irq_info(_cpu_tag, _irq_num);

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;

	void set_irq_info(const char *tag, const int irq_num);
	void postload(void);

	DECLARE_READ32_MEMBER (reg_r);
	DECLARE_WRITE32_MEMBER(reg_w);

protected:
	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 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;
	const char *m_cpu_tag;
	cpu_device *m_cpu;
	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