diff options
Diffstat (limited to 'src/devices/machine/sis630_gui.h')
-rw-r--r-- | src/devices/machine/sis630_gui.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/devices/machine/sis630_gui.h b/src/devices/machine/sis630_gui.h new file mode 100644 index 00000000000..c8c9d5dde5e --- /dev/null +++ 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 |