// 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.h" class sis630_svga_device : public svga_device { public: sis630_svga_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock); virtual uint8_t mem_r(offs_t offset) override; virtual void mem_w(offs_t offset, uint8_t data) override; virtual u8 port_03c0_r(offs_t offset) override; virtual void port_03c0_w(offs_t offset, uint8_t data) override; protected: virtual void device_start() override; virtual void device_reset() override; virtual uint8_t crtc_reg_read(uint8_t index) override; virtual void crtc_reg_write(uint8_t index, uint8_t data) override; virtual uint8_t seq_reg_read(uint8_t index) override; virtual void seq_reg_write(uint8_t index, uint8_t data) override; virtual uint16_t offset() override; virtual void recompute_params() override; u8 m_crtc_ext_regs[0x100]{}; u8 m_seq_ext_regs[0x100]{}; u8 m_ramdac_mode = 0; u8 m_ext_misc_ctrl_0 = 0; u8 m_ext_vert_overflow = 0; u8 m_ext_horz_overflow[2]{}; u32 m_svga_bank_reg_w = 0; u32 m_svga_bank_reg_r = 0; bool m_unlock_reg = false; std::tuple flush_true_color_mode(); // bool m_dual_seg_mode = false; }; DECLARE_DEVICE_TYPE(SIS630_SVGA, sis630_svga_device) class sis630_gui_device : public pci_device { public: sis630_gui_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &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 m_svga; required_memory_region m_gui_rom; u8 vram_r(offs_t offset); void vram_w(offs_t offset, uint8_t data); u32 vga_3b0_r(offs_t offset, uint32_t mem_mask = ~0); void vga_3b0_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0); u32 vga_3c0_r(offs_t offset, uint32_t mem_mask = ~0); void vga_3c0_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0); u32 vga_3d0_r(offs_t offset, uint32_t mem_mask = ~0); void vga_3d0_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0); 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 sis630_bridge_device( const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &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(gui_tag)); } sis630_bridge_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &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 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