1 // license:BSD-3-Clause
2 // copyright-holders:Ted Green
3 // Creative Labs Ensonic AudioPCI97 ES1373
4 #ifndef MAME_SOUND_ES1373_H
5 #define MAME_SOUND_ES1373_H
6 
7 #pragma once
8 
9 #include "machine/pci.h"
10 
11 class es1373_device : public pci_device, public device_sound_interface
12 {
13 public:
14 	es1373_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
15 
16 	virtual void map_extra(uint64_t memory_window_start, uint64_t memory_window_end, uint64_t memory_offset, address_space *memory_space,
17 							uint64_t io_window_start, uint64_t io_window_end, uint64_t io_offset, address_space *io_space) override;
18 
irq_handler()19 	auto irq_handler() { return m_irq_handler.bind(); }
20 
21 	uint32_t reg_r(offs_t offset, uint32_t mem_mask = ~0);
22 	void reg_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
23 
24 protected:
25 	virtual void device_resolve_objects() override;
26 	virtual void device_start() override;
27 	virtual void device_stop() override;
28 	virtual void device_reset() override;
29 	virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
30 	virtual void device_add_mconfig(machine_config &config) override;
31 	virtual void device_post_load() override;
32 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
33 
34 	// Sound stream
35 	sound_stream *m_stream;
36 
37 	FILE *m_eslog;
38 
39 private:
40 	struct chan_info {
41 		int number;
42 		bool enable;
43 		bool int_en;
44 		bool loop_en;
45 		bool initialized;
46 		uint8_t  format;       // Format of channel
47 		uint32_t buf_wptr;     // Address to sample cache memory
48 		uint32_t buf_rptr;     // Address to sample cache memory
49 		uint16_t buf_count;    // Number of samples that have been played
50 		uint16_t buf_size;     // Number of samples minus one to play
51 		uint32_t pci_addr;     // PCI Address for system memory accesses
52 		uint16_t pci_count;    // Number of 32 bits transferred
53 		uint16_t pci_size;     // Total number of words (32 bits) minus one in system memory
54 	};
55 
56 	void transfer_pci_audio(chan_info& chan, int type);
57 	uint32_t calc_size(const uint8_t &format);
58 	void send_audio_out(chan_info& chan, uint32_t intr_mask, write_stream_view &outL, write_stream_view &outR);
59 
60 	uint32_t m_tempCount;
61 	emu_timer *m_timer;
62 	address_space *m_memory_space;
63 	devcb_write_line m_irq_handler;
64 	int m_irq_num;
65 	void map(address_map &map);
66 	uint16_t m_ac97_regs[0x80];
67 	uint32_t m_es_regs[0x10];
68 	uint32_t m_sound_cache[0x40];
69 	uint16_t m_src_ram[0x80];
70 	chan_info m_dac1;
71 	chan_info m_dac2;
72 	chan_info m_adc;
73 };
74 
75 DECLARE_DEVICE_TYPE(ES1373, es1373_device)
76 
77 #endif // MAME_SOUND_ES1373_H
78