// license:BSD-3-Clause // copyright-holders:Barry Rodewald /* * S3 ViRGE 3D accelerator card */ #ifndef MAME_VIDEO_VIRGE_PCI_H #define MAME_VIDEO_VIRGE_PCI_H #pragma once #include "machine/pci.h" #include "bus/isa/s3virge.h" class virge_pci_device : public pci_device { public: template virge_pci_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock, T &&screen_tag) : virge_pci_device(mconfig, tag, owner, clock) { set_screen_tag(std::forward(screen_tag)); } enum { LAW_64K = 0, LAW_1MB, LAW_2MB, LAW_4MB }; virge_pci_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); virge_pci_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); void lfb_map(address_map &map); void mmio_map(address_map& map); DECLARE_READ32_MEMBER(vga_3b0_r); DECLARE_WRITE32_MEMBER(vga_3b0_w); DECLARE_READ32_MEMBER(vga_3c0_r); DECLARE_WRITE32_MEMBER(vga_3c0_w); DECLARE_READ32_MEMBER(vga_3d0_r); DECLARE_WRITE32_MEMBER(vga_3d0_w); DECLARE_READ8_MEMBER(vram_r); DECLARE_WRITE8_MEMBER(vram_w); DECLARE_READ32_MEMBER(base_address_r); DECLARE_WRITE32_MEMBER(base_address_w); protected: virtual void device_start() 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; void postload(void); required_device m_vga; required_memory_region m_bios; optional_device m_screen; private: void refresh_linear_window(); uint8_t m_current_crtc_reg; }; class virgedx_pci_device : public virge_pci_device { public: template virgedx_pci_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock, T &&screen_tag) : virgedx_pci_device(mconfig, tag, owner, clock) { set_screen_tag(std::forward(screen_tag)); } virgedx_pci_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: virtual void device_start() override; virtual void device_add_mconfig(machine_config &config) override; virtual const tiny_rom_entry *device_rom_region() const override; // required_device m_vga; // required_memory_region m_bios; // optional_device m_screen; }; DECLARE_DEVICE_TYPE(VIRGE_PCI, virge_pci_device) DECLARE_DEVICE_TYPE(VIRGEDX_PCI, virgedx_pci_device) #endif