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// license:BSD-3-Clause
// copyright-holders:
#include "emu.h"
#include "ymf740c.h"
#include "speaker.h"
#define VERBOSE (LOG_GENERAL)
//#define LOG_OUTPUT_FUNC osd_printf_info
#include "logmacro.h"
DEFINE_DEVICE_TYPE(YMF740C, ymf740c_device, "ymf740c", "Yamaha YMF740C DS-1L")
ymf740c_device::ymf740c_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock)
: pci_card_device(mconfig, type, tag, owner, clock)
, m_opl3(*this, "opl3")
{
}
ymf740c_device::ymf740c_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: ymf740c_device(mconfig, YMF740C, tag, owner, clock)
{
// Subsystem has write once at $44~$47
// NOTE: by default it really wants 0x107a000c ("Networth" DS-XG PCI Audio CODEC)
set_ids(0x1073000c, 0x03, 0x040100, 0x107a000c);
}
void ymf740c_device::device_add_mconfig(machine_config &config)
{
SPEAKER(config, "speaker", 2).front();
// YMF289B compatible with no Power Management capability,
// which is a 3.3V version of OPL3
YMF262(config, m_opl3, XTAL(14'318'181));
m_opl3->add_route(0, "speaker", 1.0, 0);
m_opl3->add_route(1, "speaker", 1.0, 1);
m_opl3->add_route(2, "speaker", 1.0, 0);
m_opl3->add_route(3, "speaker", 1.0, 1);
}
void ymf740c_device::device_start()
{
pci_card_device::device_start();
add_map(32*1024, M_MEM, FUNC(ymf740c_device::map));
// INTA#
intr_pin = 1;
minimum_grant = 0x05;
maximum_latency = 0x19;
save_item(NAME(m_legacy_audio_control));
}
void ymf740c_device::device_reset()
{
pci_card_device::device_reset();
command = 0x0000;
command_mask = 0x146;
status = 0x0210;
m_legacy_audio_control = 0x0000'907f;
remap_cb();
}
u8 ymf740c_device::capptr_r()
{
return 0x50;
}
void ymf740c_device::config_map(address_map &map)
{
pci_card_device::config_map(map);
map(0x40, 0x43).lrw32(
NAME([this] () { return m_legacy_audio_control; }),
NAME([this] (offs_t offset, u32 data, u32 mem_mask) {
COMBINE_DATA(&m_legacy_audio_control);
// bit 14 is hardwired to 0, bits
m_legacy_audio_control &= ~0x4000;
remap_cb();
})
);
// map(0x44, 0x47) Subsystem Vendor/Device ID write once
// map(0x48, 0x49) DS-1L Control
// map(0x4a, 0x4b) DS-1L Power Control
// Power Management v1.0, D2 support
map(0x50, 0x53).lr32(NAME([] () { return 0x0401'0001; }));
// map(0x54, 0x55) Power Management Control / Status
// map(0x58, 0x59) ACPI mode
}
void ymf740c_device::map(address_map &map)
{
}
void ymf740c_device::fm_map(address_map &map)
{
map(0x00, 0x03).rw(m_opl3, FUNC(ymf262_device::read), FUNC(ymf262_device::write));
}
void ymf740c_device::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)
{
// assume legacy mapping won't follow PCI bit 0
if (BIT(m_legacy_audio_control, 1))
{
const u16 fm_ranges[4] = { 0x388, 0x398, 0x3a0, 0x3a8 };
const u16 fm_port = fm_ranges[(m_legacy_audio_control >> 8) & 3];
io_space->install_device(fm_port, fm_port + 3, *this, &ymf740c_device::fm_map);
}
}
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