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-rw-r--r--src/devices/machine/sis630_gui.h98
1 files changed, 98 insertions, 0 deletions
diff --git a/src/devices/machine/sis630_gui.h b/src/devices/machine/sis630_gui.h
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index 00000000000..c8c9d5dde5e
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+++ b/src/devices/machine/sis630_gui.h
@@ -0,0 +1,98 @@
+// license: BSD-3-Clause
+// copyright-holders: Angelo Salese
+
+#ifndef MAME_MACHINE_SIS630_VGA_H
+#define MAME_MACHINE_SIS630_VGA_H
+
+#pragma once
+
+#include "pci.h"
+#include "video/pc_vga_sis.h"
+
+class sis630_gui_device : public pci_device
+{
+public:
+ sis630_gui_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);
+
+protected:
+ 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 reset_all_mappings() 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;
+
+ void memory_map(address_map &map);
+ void io_map(address_map &map);
+ void space_io_map(address_map &map);
+
+private:
+ required_device<sis630_vga_device> m_vga;
+ required_memory_region m_gui_rom;
+
+ u8 vram_r(offs_t offset);
+ void vram_w(offs_t offset, uint8_t data);
+
+ void subvendor_w(offs_t offset, u32 data, u32 mem_mask = ~0);
+
+ virtual u8 capptr_r() override;
+ u32 agp_id_r();
+ u32 agp_status_r();
+ u32 agp_command_r(offs_t offset, uint32_t mem_mask);
+ void agp_command_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
+
+ struct {
+ bool enable = false;
+ u8 data_rate = 0;
+ } m_agp;
+
+ u32 m_subsystem_logger_mask = 0;
+
+ u8 unmap_log_r(offs_t offset);
+ void unmap_log_w(offs_t offset, u8 data);
+};
+
+DECLARE_DEVICE_TYPE(SIS630_GUI, sis630_gui_device)
+
+class sis630_bridge_device : public pci_bridge_device
+{
+public:
+ template <typename T> sis630_bridge_device(
+ const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock,
+ T &&gui_tag
+ ) : sis630_bridge_device(mconfig, tag, owner, clock)
+ {
+ // either 0001 or 6001 as device ID
+ set_ids_bridge(0x10396001, 0x00);
+ //set_multifunction_device(true);
+ m_vga.set_tag(std::forward<T>(gui_tag));
+ }
+
+ sis630_bridge_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ virtual void device_start() override;
+ virtual void device_reset() 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;
+
+private:
+ required_device<sis630_gui_device> m_vga;
+
+ virtual void bridge_control_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0) override;
+};
+
+DECLARE_DEVICE_TYPE(SIS630_BRIDGE, sis630_bridge_device)
+
+
+#endif