bus/pci: add stub for ESS Solo1/Maestro line

scripts/src/bus.lua

@@ -5466,6 +5466,8 @@ if (BUSES["PCI"]~=null) then
 		MAME_DIR .. "src/devices/bus/pci/audiowerk2.h",
 		MAME_DIR .. "src/devices/bus/pci/ds2416.cpp",
 		MAME_DIR .. "src/devices/bus/pci/ds2416.h",
+		MAME_DIR .. "src/devices/bus/pci/ess_maestro.cpp",
+		MAME_DIR .. "src/devices/bus/pci/ess_maestro.h",
 		MAME_DIR .. "src/devices/bus/pci/geforce.cpp",
 		MAME_DIR .. "src/devices/bus/pci/geforce.h",
 		MAME_DIR .. "src/devices/bus/pci/mga2064w.cpp",

src/devices/bus/pci/ess_maestro.cpp

@@ -0,0 +1,117 @@
+// license:BSD-3-Clause
+// copyright-holders:
+/**************************************************************************************************
+
+ESS Solo-1/Maestro audio PCI cards
+
+- PCI rev 2.2, APM 1.2, ACPI 1.0, PPMI 1.0;
+- ESFM (SoundBlaster clone);
+- Spatializer VBX 3-D as DSP core;
+- 2x game ports;
+- i2s Zoom Video port for MPEG audio;
+- Known to have a poor SnR ratio (around -64 dB)
+
+- Required by misc/gammagic.cpp
+- Embedded on Chaintech 6ESA-2-E100N (Slot 1, I440EX / PIIX4E)
+- Embedded on ASUS ME-99 (Socket 370, SiS620 / SiS5595)
+
+**************************************************************************************************/
+
+#include "emu.h"
+#include "ess_maestro.h"
+
+#define LOG_WARN      (1U << 1)
+
+#define VERBOSE (LOG_GENERAL | LOG_WARN)
+//#define LOG_OUTPUT_FUNC osd_printf_info
+#include "logmacro.h"
+
+#define LOGWARN(...)            LOGMASKED(LOG_WARN, __VA_ARGS__)
+
+// ES1938 Solo-1
+DEFINE_DEVICE_TYPE(ES1946_SOLO1E, es1946_solo1e_device,   "es1946_solo1e",   "ES1938/ES1946/ES1969 Solo-1 Audiodrive PCI card")
+// ES1969 Solo-1
+// ES1948 Maestro-1
+// ES1968 Maestro-2
+// ES1978 Maestro-2E
+
+
+es1946_solo1e_device::es1946_solo1e_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)
+{
+	// TODO: subvendor from EEPROM
+	set_ids(0x125d1969, 0x01, 0x040100, 0x125d1969);
+}
+
+es1946_solo1e_device::es1946_solo1e_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
+	: es1946_solo1e_device(mconfig, ES1946_SOLO1E, tag, owner, clock)
+{
+}
+
+void es1946_solo1e_device::device_add_mconfig(machine_config &config)
+{
+
+}
+
+void es1946_solo1e_device::device_start()
+{
+	pci_card_device::device_start();
+
+	add_map(64, M_IO, FUNC(es1946_solo1e_device::extended_map));
+	add_map(16, M_IO, FUNC(es1946_solo1e_device::sb_map));
+	add_map(16, M_IO, FUNC(es1946_solo1e_device::vcbase_map));
+	add_map( 4, M_IO, FUNC(es1946_solo1e_device::mpu_map));
+	add_map( 4, M_IO, FUNC(es1946_solo1e_device::gameport_map));
+
+	// INTA#
+	intr_pin = 1;
+}
+
+void es1946_solo1e_device::device_reset()
+{
+	pci_card_device::device_reset();
+
+	command = 0x0000;
+	// ACPI capable, Fast back-to-back, medium DEVSEL#
+	status = 0x0290;
+	// TODO: min_gnt 0x02, max_lat = 0x18
+
+	remap_cb();
+}
+
+uint8_t es1946_solo1e_device::capptr_r()
+{
+	return 0xc0;
+}
+
+void es1946_solo1e_device::config_map(address_map &map)
+{
+	pci_card_device::config_map(map);
+//	map(0x40, 0x41) Legacy Audio Control
+//	map(0x50, 0x53) ES1946 Config
+//	map(0x60, 0x61) DDMA Control
+	// ACPI
+	map(0xc0, 0xc0).lr8(NAME([] () { return 0x01; }));
+	map(0xc1, 0xc1).lr8(NAME([] () { return 0x00; })); // NULL pointer
+//	map(0xc2, 0xc3) Power Management Capabilities
+//	map(0xc4, 0xc5) Power Management Control/Status
+}
+
+void es1946_solo1e_device::extended_map(address_map &map)
+{
+}
+void es1946_solo1e_device::sb_map(address_map &map)
+{
+}
+
+void es1946_solo1e_device::vcbase_map(address_map &map)
+{
+}
+
+void es1946_solo1e_device::mpu_map(address_map &map)
+{
+}
+
+void es1946_solo1e_device::gameport_map(address_map &map)
+{
+}

src/devices/bus/pci/ess_maestro.h

@@ -0,0 +1,44 @@
+// license:BSD-3-Clause
+// copyright-holders:
+
+#ifndef MAME_BUS_PCI_ES1946_SOLO1E_H
+#define MAME_BUS_PCI_ES1946_SOLO1E_H
+
+#pragma once
+
+#include "pci_slot.h"
+
+class es1946_solo1e_device : public pci_card_device
+{
+public:
+	es1946_solo1e_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+	static constexpr feature_type unemulated_features() { return feature::SOUND; }
+
+protected:
+	es1946_solo1e_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
+
+	virtual void device_start() override;
+	virtual void device_reset() override;
+	virtual void device_add_mconfig(machine_config &config) override;
+
+//	virtual const tiny_rom_entry *device_rom_region() const override;
+
+//	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;
+
+	virtual void config_map(address_map &map) override;
+
+	virtual u8 capptr_r() override;
+
+private:
+	void extended_map(address_map &map);
+	void sb_map(address_map &map);
+	void vcbase_map(address_map &map);
+	void mpu_map(address_map &map);
+	void gameport_map(address_map &map);
+};
+
+DECLARE_DEVICE_TYPE(ES1946_SOLO1E, es1946_solo1e_device)
+
+#endif // MAME_BUS_PCI_ES1946_SOLO1E_H

src/devices/bus/pci/pci_slot.cpp

@@ -9,6 +9,7 @@
 #include "aha2940au.h"
 #include "audiowerk2.h"
 #include "ds2416.h"
+#include "ess_maestro.h"
 #include "geforce.h"
 #include "mga2064w.h"
 #include "opti82c861.h"
@@ -128,6 +129,7 @@ void pci_cards(device_slot_interface &device)
 	device.option_add("sonicvibes",     SONICVIBES);
 	device.option_add("zr36057",        ZR36057_PCI);
 	device.option_add("audiowerk2",     AUDIOWERK2);
+	device.option_add("ess_solo1",      ES1946_SOLO1E);
 
 	// 0x05 - memory controllers
 	// 0x06 - bridge devices

src/mame/misc/gammagic.cpp

@@ -12,7 +12,7 @@ TODO:
   identify packet device command (shutms11 ATAPI returns 0x0208).
   Seems to be a Toshiba XM-3301 CD/DVD drive according to RAM buffer.
 
-- gammagic: requires Voodoo and an "ESS audio PCI" to boot;
+- gammagic: requires Voodoo and a ESS Solo-1/Maestro PCI card family to boot;
 
 - 99bottles: "not High Sierra or ISO9660", likely bad (disc-at-once with one track?)
 
@@ -38,7 +38,7 @@ V8000 platform includes:
 
 1 Motherboard MICRONICS M55Hi-Plus PCI/ISA, Chipset INTEL i430HX (TRITON II), 64 MB Ram (4 SIMM M x 16 MB SIMM)
 On board Sound Blaster Vibra 16C chipset.
-    [has optional ESS references in dump -AS]
+    [has reference to an ESS Solo-1/Maestro driver -AS]
 1 TOSHIBA CD-ROM or DVD-ROM Drive w/Bootable CD-ROM with Game.
 1 OAK SVGA PCI Video Board.
 1 Voodoo Graphics PCI Video Board, connected to the monitor.