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Diffstat (limited to 'src/devices/bus/pci/oti_spitfire.cpp')
-rw-r--r--src/devices/bus/pci/oti_spitfire.cpp146
1 files changed, 146 insertions, 0 deletions
diff --git a/src/devices/bus/pci/oti_spitfire.cpp b/src/devices/bus/pci/oti_spitfire.cpp
new file mode 100644
index 00000000000..a3e6ecbf7b9
--- /dev/null
+++ b/src/devices/bus/pci/oti_spitfire.cpp
@@ -0,0 +1,146 @@
+// license:BSD-3-Clause
+// copyright-holders:Angelo Salese
+/**************************************************************************************************
+
+OAK OTI Spitfire PCI cards
+
+VBE 1.2, XGA
+
+TODO:
+- can strap base class and header to be multifunction
+
+**************************************************************************************************/
+
+#include "emu.h"
+#include "oti_spitfire.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__)
+
+
+//OTI-64105
+//OTI-64107
+DEFINE_DEVICE_TYPE(OTI64111_PCI, oti64111_pci_device, "oti64111_pci", "OTI-64111 \"Spitfire\"")
+//OTI-64217
+//OTI-64317
+
+
+oti64111_pci_device::oti64111_pci_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_svga(*this, "svga")
+ , m_vga_rom(*this, "vga_rom")
+{
+ // Rev C
+ set_ids(0x104e0111, 0x30, 0x030000, 0x104e0111);
+}
+
+oti64111_pci_device::oti64111_pci_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
+ : oti64111_pci_device(mconfig, OTI64111_PCI, tag, owner, clock)
+{
+}
+
+ROM_START( oti64111 )
+ ROM_REGION32_LE( 0x8000, "vga_rom", ROMREGION_ERASEFF )
+ ROM_SYSTEM_BIOS( 0, "spitfire", "v111.20 10/10/96" )
+ ROMX_LOAD( "ot64111spitfire.vbi", 0x0000, 0x8000, CRC(fb031e98) SHA1(16826d93bc2a09d91b52cca3f72447501daee2d2), ROM_BIOS(0) )
+ROM_END
+
+const tiny_rom_entry *oti64111_pci_device::device_rom_region() const
+{
+ return ROM_NAME(oti64111);
+}
+
+void oti64111_pci_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_svga, FUNC(oak_oti111_vga_device::screen_update));
+
+ OTI111(config, m_svga, 0);
+ m_svga->set_screen("screen");
+ m_svga->set_vram_size(4*1024*1024);
+}
+
+void oti64111_pci_device::device_start()
+{
+ pci_card_device::device_start();
+
+ add_map( 256, M_MEM, FUNC(oti64111_pci_device::mmio_map));
+ add_map(8*1024*1024, M_MEM, FUNC(oti64111_pci_device::vram_aperture_map));
+ add_map( 256, M_IO, FUNC(oti64111_pci_device::extio_map));
+
+ add_rom((u8 *)m_vga_rom->base(), 0x8000);
+ expansion_rom_base = 0xc0000;
+
+ // INTA#
+ intr_pin = 1;
+
+ // TODO: (default?) min_gnt = 0xff, max_lat = 0x01
+}
+
+void oti64111_pci_device::device_reset()
+{
+ pci_card_device::device_reset();
+
+ // enable address/data stepping, enable bus snoop for palette regs
+ command = 0x00a0;
+ // fast back-to-back, medium DEVSEL#
+ status = 0x0280;
+
+ remap_cb();
+}
+
+void oti64111_pci_device::config_map(address_map &map)
+{
+ pci_card_device::config_map(map);
+}
+
+void oti64111_pci_device::mmio_map(address_map &map)
+{
+ map(0x00, 0x7f).rw(m_svga, FUNC(oak_oti111_vga_device::xga_read), FUNC(oak_oti111_vga_device::xga_write));
+ map(0x80, 0xbf).m(m_svga, FUNC(oak_oti111_vga_device::multimedia_map));
+}
+
+void oti64111_pci_device::vram_aperture_map(address_map &map)
+{
+ map(0x000000, 0x7fffff).rw(m_svga, FUNC(oak_oti111_vga_device::mem_linear_r), FUNC(oak_oti111_vga_device::mem_linear_w));
+}
+
+void oti64111_pci_device::extio_map(address_map &map)
+{
+ map(0x00e0, 0x00ef).m(m_svga, FUNC(oak_oti111_vga_device::ramdac_mmio_map));
+}
+
+void oti64111_pci_device::legacy_io_map(address_map &map)
+{
+ map(0, 0x02f).m(m_svga, FUNC(oak_oti111_vga_device::io_map));
+}
+
+uint8_t oti64111_pci_device::vram_r(offs_t offset)
+{
+ return downcast<oak_oti111_vga_device *>(m_svga.target())->mem_r(offset);
+}
+
+void oti64111_pci_device::vram_w(offs_t offset, uint8_t data)
+{
+ downcast<oak_oti111_vga_device *>(m_svga.target())->mem_w(offset, data);
+}
+
+void oti64111_pci_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 (BIT(command, 1))
+ {
+ memory_space->install_readwrite_handler(0xa0000, 0xbffff, read8sm_delegate(*this, FUNC(oti64111_pci_device::vram_r)), write8sm_delegate(*this, FUNC(oti64111_pci_device::vram_w)));
+ }
+
+ if (BIT(command, 0))
+ {
+ io_space->install_device(0x03b0, 0x03df, *this, &oti64111_pci_device::legacy_io_map);
+ }
+}