bus/pci: add stub for VT6306 FireWire controller

scripts/src/bus.lua

@@ -5508,6 +5508,8 @@ if (BUSES["PCI"]~=null) then
 		MAME_DIR .. "src/devices/bus/pci/sonicvibes.h",
 		MAME_DIR .. "src/devices/bus/pci/sw1000xg.cpp",
 		MAME_DIR .. "src/devices/bus/pci/sw1000xg.h",
+		MAME_DIR .. "src/devices/bus/pci/vt6306.cpp",
+		MAME_DIR .. "src/devices/bus/pci/vt6306.h",
 		MAME_DIR .. "src/devices/bus/pci/virge_pci.cpp",
 		MAME_DIR .. "src/devices/bus/pci/virge_pci.h",
 		MAME_DIR .. "src/devices/bus/pci/wd9710_pci.cpp",

src/devices/bus/pci/pci_slot.cpp

@@ -22,6 +22,7 @@
 #include "sonicvibes.h"
 #include "sw1000xg.h"
 #include "virge_pci.h"
+#include "vt6306.h"
 #include "wd9710_pci.h"
 #include "zr36057.h"
 
@@ -143,6 +144,7 @@ void pci_cards(device_slot_interface &device)
 	// 0x0a - docking stations
 	// 0x0b - processors
 	// 0x0c - Serial Bus controllers
+	device.option_add("vt6306",         VT6306_PCI);
 	device.option_add("opti82c861",     OPTI_82C861);
 
 	// 0x0d - wireless controllers

src/devices/bus/pci/vt6306.cpp

@@ -0,0 +1,94 @@
+// license:BSD-3-Clause
+// copyright-holders:
+/**************************************************************************************************
+
+VIA VT6306 generic FireWire IEEE 1394a card
+
+- paired with USB 2.0 controller on a Sunix UFC3212V 4x USB 3x Firewire card
+  (as multifunction, presumably at .3 while USB takes .0/.1/.2)
+- midway/midzeus.cpp crusnexo/thegrid uses regular IEEE 1394 ports.
+- PHY has default vendor ID=0x004063, device ID=306000, Compliance Level=1
+
+**************************************************************************************************/
+
+#include "emu.h"
+#include "vt6306.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__)
+
+
+DEFINE_DEVICE_TYPE(VT6306_PCI, vt6306_device,   "vt6306",   "VT6306 VIA Fire II IEEE-1394a OHCI Link Layer Controller")
+
+
+
+vt6306_device::vt6306_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)
+{
+	set_ids(0x11063044, 0x00, 0x0c0010, 0x11063044);
+}
+
+vt6306_device::vt6306_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
+	: vt6306_device(mconfig, VT6306_PCI, tag, owner, clock)
+{
+}
+
+void vt6306_device::device_add_mconfig(machine_config &config)
+{
+
+}
+
+void vt6306_device::device_start()
+{
+	pci_card_device::device_start();
+
+	add_map(2048, M_MEM, FUNC(vt6306_device::ohci_mmio_map));
+	add_map( 128, M_IO, FUNC(vt6306_device::vio_map));
+//	add_map( 256, M_MEM, FUNC(vt6306_device::cardbus_map));
+
+	// INTA#
+	intr_pin = 1;
+
+	// TODO: min_gnt = 0x00, max_lat = 0x20
+}
+
+void vt6306_device::device_reset()
+{
+	pci_card_device::device_reset();
+
+	command = 0x0000;
+	// claims not having an I/O space but it definitely has one defined in BAR, huh?
+	command_mask = 7;
+	// Fast Back-to-Back, medium DEVSEL#
+	status = 0x0280;
+
+	remap_cb();
+}
+
+u8 vt6306_device::capptr_r()
+{
+	return 0x50;
+}
+
+void vt6306_device::config_map(address_map &map)
+{
+	pci_card_device::config_map(map);
+//	map(0x40, 0x43) PCI HCI Control (?)
+	// ACPI
+	map(0x50, 0x50).lr8(NAME([] () { return 0x01; }));
+	map(0x51, 0x51).lr8(NAME([] () { return 0x00; })); // NULL pointer
+//	map(0x52, 0x57) PCI Power Management v1.1
+}
+
+void vt6306_device::ohci_mmio_map(address_map &map)
+{
+}
+
+void vt6306_device::vio_map(address_map &map)
+{
+}

src/devices/bus/pci/vt6306.h

@@ -0,0 +1,38 @@
+// license:BSD-3-Clause
+// copyright-holders:
+
+#ifndef MAME_BUS_PCI_VT6306_H
+#define MAME_BUS_PCI_VT6306_H
+
+#pragma once
+
+#include "pci_slot.h"
+
+class vt6306_device : public pci_card_device
+{
+public:
+	vt6306_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+	vt6306_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 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;
+
+private:
+	void ohci_mmio_map(address_map &map);
+	void vio_map(address_map &map);
+
+	virtual u8 capptr_r() override;
+
+};
+
+DECLARE_DEVICE_TYPE(VT6306_PCI, vt6306_device)
+
+#endif // MAME_BUS_PCI_VT6306_H