bus/pci: add ProMotion 3210 PCI card stub [VGA Legacy MKIII]

scripts/src/bus.lua

@@ -5430,6 +5430,8 @@ if (BUSES["PCI"]~=null) then
 		MAME_DIR .. "src/devices/bus/pci/geforce.h",
 		MAME_DIR .. "src/devices/bus/pci/mga2064w.cpp",
 		MAME_DIR .. "src/devices/bus/pci/mga2064w.h",
+		MAME_DIR .. "src/devices/bus/pci/promotion.cpp",
+		MAME_DIR .. "src/devices/bus/pci/promotion.h",
 		MAME_DIR .. "src/devices/bus/pci/sw1000xg.cpp",
 		MAME_DIR .. "src/devices/bus/pci/sw1000xg.h",
 	}

src/devices/bus/pci/pci_slot.cpp

@@ -10,6 +10,7 @@
 #include "rivatnt.h"
 #include "geforce.h"
 #include "mga2064w.h"
+#include "promotion.h"
 #include "sw1000xg.h"
 
 DEFINE_DEVICE_TYPE(PCI_SLOT, pci_slot_device, "pci_slot", "PCI extension motherboard port")
@@ -66,6 +67,9 @@ pci_card_device::~pci_card_device()
 
 void pci_cards(device_slot_interface &device)
 {
+	// 0x01 - mass storage controllers
+	// 0x02 - network controllers
+	// 0x03 - display controllers
 	device.option_add("virge",          VIRGE_PCI);
 	device.option_add("virgedx",        VIRGEDX_PCI);
 	device.option_add("riva128",        RIVA128);
@@ -79,5 +83,22 @@ void pci_cards(device_slot_interface &device)
 	device.option_add("geforce256_ddr", GEFORCE256_DDR);
 	device.option_add("quadro",         QUADRO);
 	device.option_add("mga2064w",       MGA2064W);
+	device.option_add("promotion3210",  PROMOTION3210);
+	// 0x04 - multimedia controllers
 	device.option_add("sw1000xg",       SW1000XG);
+	// 0x05 - memory controllers
+	// 0x06 - bridge devices
+	// 0x07 - simple communication controllers
+	// 0x08 - generic system peripherals
+	// 0x09 - input devices
+	// 0x0a - docking stations
+	// 0x0b - processors
+	// 0x0c - Serial Bus controllers
+	// 0x0d - wireless controllers
+	// 0x0e - Intelligent I/O controllers
+	// 0x0f - Satellite Communication controllers
+	// 0x10 - Encryption/Decryption controllers
+	// 0x11 - Data acquisition and signal processing controllers
+	// 0x12 - Processing accelerators
+	// 0x13 - Debug
 }

src/devices/bus/pci/promotion.cpp

@@ -0,0 +1,145 @@
+// license:BSD-3-Clause
+// copyright-holders:
+/**************************************************************************************************
+
+Alliance Semiconductor ProMotion family
+
+TODO:
+- Requires own family of VGA based devices;
+- Catch is that said device mirrors the PCI space in memory mapped regs, along with the
+  (more or less) typical SVGA regs of the mid-90s;
+- Black screens when mounted;
+- Bare documentation, covering pinout and register names only;
+
+**************************************************************************************************/
+
+#include "emu.h"
+#include "promotion.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(PROMOTION3210,   promotion3210_device,   "promotion3210",   "Alliance Semiconductor ProMotion 3210")
+//DEFINE_DEVICE_TYPE(PROMOTION6410,   promotion6410_device,   "promotion6410",   "Alliance Semiconductor ProMotion 6410")
+//DEFINE_DEVICE_TYPE(PROMOTION6422,   promotion6422_device,   "promotion6422",   "Alliance Semiconductor ProMotion 6422")
+//DEFINE_DEVICE_TYPE(PROMOTION6424,   promotion6424_device,   "promotion6424",   "Alliance Semiconductor ProMotion 6424")
+// Alias of above?
+//DEFINE_DEVICE_TYPE(PROMOTIONAT24,   promotionat24_device,   "promotionat24",   "Alliance Semiconductor ProMotion aT24")
+//DEFINE_DEVICE_TYPE(PROMOTIONAT3D,   promotionat3d_device,   "promotionat3d",   "Alliance Semiconductor ProMotion aT3d")
+//DEFINE_DEVICE_TYPE(PROMOTIONAT25,   promotionat25_device,   "promotionat25",   "Alliance Semiconductor ProMotion aT25")
+
+
+promotion3210_device::promotion3210_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_vga(*this, "vga")
+	, m_vga_rom(*this, "vga_rom")
+{
+	// vendor ID 0x1142 Alliance Semiconductor Corporation
+	// subvendor unknown
+	set_ids(0x11423210, 0x00, 0x030000, 0x11423210);
+}
+
+promotion3210_device::promotion3210_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
+	: promotion3210_device(mconfig, PROMOTION3210, tag, owner, clock)
+{
+}
+
+ROM_START( promotion3210 )
+	ROM_REGION32_LE( 0x8000, "vga_rom", ROMREGION_ERASEFF )
+	ROM_SYSTEM_BIOS( 0, "miro", "miro Video 12PD" )
+	ROMX_LOAD( "mirovideo12pd.vbi", 0x0000, 0x8000, CRC(46041709) SHA1(bd43f05ae7ddb4bbf515132b72b32719b60e6950), ROM_BIOS(0) )
+ROM_END
+
+const tiny_rom_entry *promotion3210_device::device_rom_region() const
+{
+	return ROM_NAME(promotion3210);
+}
+
+void promotion3210_device::device_add_mconfig(machine_config &config)
+{
+	screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
+	screen.set_raw(XTAL(25'174'800), 900, 0, 640, 526, 0, 480);
+	screen.set_screen_update(m_vga, FUNC(vga_device::screen_update));
+
+	VGA(config, m_vga, 0);
+	m_vga->set_screen("screen");
+	// TODO: configurable between 1 and 4 MB (2x EDO slots on board)
+	m_vga->set_vram_size(4*1024*1024);
+
+	// AT&T ATT20C408-13 PrecisionDAC
+	// Reused by ATI Mach64?
+}
+
+void promotion3210_device::device_start()
+{
+	pci_device::device_start();
+
+	add_map( 4*1024*1024, M_MEM, FUNC(promotion3210_device::vram_aperture_map));
+
+	add_rom((u8 *)m_vga_rom->base(), 0x8000);
+	expansion_rom_base = 0xc0000;
+
+	// INTA#
+	intr_pin = 1;
+}
+
+void promotion3210_device::device_reset()
+{
+	pci_device::device_reset();
+
+	// TODO: to be checked
+	command = 0x0000;
+	status = 0x0000;
+
+	remap_cb();
+}
+
+// bare mapping, except for stuff being mirrored at memory-mapped offsets
+void promotion3210_device::config_map(address_map &map)
+{
+	pci_device::config_map(map);
+}
+
+void promotion3210_device::vram_aperture_map(address_map &map)
+{
+
+}
+
+// TODO: this should really be a subclass of VGA
+void promotion3210_device::legacy_memory_map(address_map &map)
+{
+	map(0xa0000, 0xbffff).rw(FUNC(promotion3210_device::vram_r), FUNC(promotion3210_device::vram_w));
+}
+
+void promotion3210_device::legacy_io_map(address_map &map)
+{
+	map(0, 0x02f).m(m_vga, FUNC(vga_device::io_map));
+}
+
+uint8_t promotion3210_device::vram_r(offs_t offset)
+{
+	return downcast<vga_device *>(m_vga.target())->mem_r(offset);
+}
+
+void promotion3210_device::vram_w(offs_t offset, uint8_t data)
+{
+	downcast<vga_device *>(m_vga.target())->mem_w(offset, data);
+}
+
+void promotion3210_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)
+{
+//	if (1)
+	{
+		memory_space->install_readwrite_handler(0xa0000, 0xbffff, read8sm_delegate(*this, FUNC(promotion3210_device::vram_r)), write8sm_delegate(*this, FUNC(promotion3210_device::vram_w)));
+
+		io_space->install_device(0x03b0, 0x03df, *this, &promotion3210_device::legacy_io_map);
+		//memory_space->install_rom(0xc0000, 0xcffff, (void *)expansion_rom);
+	}
+}

src/devices/bus/pci/promotion.h

@@ -0,0 +1,47 @@
+// license:BSD-3-Clause
+// copyright-holders:
+
+#ifndef MAME_VIDEO_PROMOTION_H
+#define MAME_VIDEO_PROMOTION_H
+
+#pragma once
+
+#include "pci_slot.h"
+#include "video/pc_vga.h"
+
+class promotion3210_device : public pci_card_device
+{
+public:
+	promotion3210_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+	void legacy_memory_map(address_map &map);
+	void legacy_io_map(address_map &map);
+
+	static constexpr feature_type unemulated_features() { return feature::GRAPHICS; }
+
+protected:
+	promotion3210_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;
+
+	required_device<vga_device> m_vga;
+	required_memory_region m_vga_rom;
+private:
+	u8 vram_r(offs_t offset);
+	void vram_w(offs_t offset, uint8_t data);
+
+	void vram_aperture_map(address_map &map);
+};
+
+DECLARE_DEVICE_TYPE(PROMOTION3210, promotion3210_device)
+
+#endif // MAME_VIDEO_PROMOTION_H