// license:BSD-3-Clause // copyright-holders:Olivier Galibert #ifndef MAME_MACHINE_PCI_H #define MAME_MACHINE_PCI_H #pragma once class pci_device : public device_t { public: typedef delegate mapper_cb; mapper_cb remap_cb, remap_config_cb; void set_ids(uint32_t main_id, uint8_t revision, uint32_t pclass, uint32_t subsystem_id); void set_ids_host(uint32_t main_id, uint32_t revision, uint64_t subsystem_id) { set_ids(main_id, revision, 0x060000, subsystem_id); } void set_ids_bridge(uint32_t main_id, uint32_t revision) { set_ids(main_id, revision, 0x060400, 0x00000000); } void set_ids_agp(uint64_t main_id, uint32_t revision, uint32_t subsystem_id) { set_ids(main_id, revision, 0x030000, subsystem_id); } void set_multifunction_device(bool enable); virtual void set_remap_cb(mapper_cb _remap_cb); virtual void reset_all_mappings(); virtual void map_device(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); 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); // Specify if this device must be mapped before all the others on the pci bus virtual bool map_first() const { return false; } void map_config(uint8_t device, address_space *config_space); virtual void config_map(address_map &map); uint32_t unmapped_r(offs_t offset, uint32_t mem_mask, int bank); void unmapped_w(offs_t offset, uint32_t data, uint32_t mem_mask, int bank); uint32_t unmapped0_r(offs_t offset, uint32_t mem_mask = ~0); void unmapped0_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0); uint32_t unmapped1_r(offs_t offset, uint32_t mem_mask = ~0); void unmapped1_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0); uint32_t unmapped2_r(offs_t offset, uint32_t mem_mask = ~0); void unmapped2_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0); uint32_t unmapped3_r(offs_t offset, uint32_t mem_mask = ~0); void unmapped3_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0); uint32_t unmapped4_r(offs_t offset, uint32_t mem_mask = ~0); void unmapped4_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0); uint32_t unmapped5_r(offs_t offset, uint32_t mem_mask = ~0); void unmapped5_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0); uint16_t vendor_r(); uint16_t device_r(); uint16_t command_r(); void command_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0); uint16_t status_r(); uint32_t class_rev_r(); virtual uint8_t cache_line_size_r(); virtual uint8_t latency_timer_r(); virtual uint8_t header_type_r(); virtual uint8_t bist_r(); uint32_t address_base_r(offs_t offset); void address_base_w(offs_t offset, uint32_t data); uint16_t subvendor_r(); uint16_t subsystem_r(); uint32_t expansion_base_r(); void expansion_base_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0); virtual uint8_t capptr_r(); uint8_t interrupt_line_r(); void interrupt_line_w(offs_t offset, uint8_t data, uint8_t mem_mask = ~0); uint8_t interrupt_pin_r(); void interrupt_pin_w(offs_t offset, uint8_t data, uint8_t mem_mask = ~0); protected: pci_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); optional_memory_region m_region; enum { M_MEM = 0, M_IO = 1, M_64D = 2, M_64A = 4, M_PREF = 8, M_DISABLED = 16 }; struct bank_info { address_map_constructor map; device_t *device; uint64_t adr; uint32_t size; int flags; }; struct bank_reg_info { int bank, hi; }; bank_info bank_infos[6]; int bank_count, bank_reg_count; bank_reg_info bank_reg_infos[6]; class pci_root_device *m_pci_root; uint32_t main_id, subsystem_id; uint32_t pclass; uint8_t revision; uint16_t command, command_mask, status; const uint8_t *expansion_rom; uint32_t expansion_rom_size; uint32_t expansion_rom_base; bool is_multifunction_device; uint8_t intr_line, intr_pin; virtual void device_start() override; virtual void device_reset() override; void skip_map_regs(int count); void add_map(uint64_t size, int flags, const address_map_constructor &map, device_t *relative_to = nullptr); template void add_map(uint64_t size, int flags, void (T::*map)(address_map &map), const char *name) { address_map_constructor delegate(map, name, static_cast(this)); add_map(size, flags, delegate); } template void add_map(uint64_t size, int flags, T &device, void (T::*map)(address_map &map), const char *name) { address_map_constructor delegate(map, name, &device); add_map(size, flags, delegate, &device); } void add_rom(const uint8_t *data, uint32_t size); void add_rom_from_region(); void set_map_address(int id, uint64_t adr); void set_map_size(int id, uint64_t size); void set_map_flags(int id, int flags); inline address_space *get_pci_busmaster_space() const; }; class agp_device : public pci_device { protected: agp_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); virtual void device_start() override; virtual void device_reset() override; }; class pci_bridge_device : public pci_device, public device_memory_interface { public: pci_bridge_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock, uint32_t main_id, uint32_t revision) : pci_bridge_device(mconfig, tag, owner, clock) { set_ids_bridge(main_id, revision); } pci_bridge_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); virtual void set_remap_cb(mapper_cb _remap_cb) override; virtual void map_device(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 reset_all_mappings() override; virtual uint8_t header_type_r() override; virtual void config_map(address_map &map) override; uint32_t b_address_base_r(offs_t offset); void b_address_base_w(offs_t offset, uint32_t data); uint8_t primary_bus_r(); void primary_bus_w(uint8_t data); uint8_t secondary_bus_r(); void secondary_bus_w(uint8_t data); uint8_t subordinate_bus_r(); void subordinate_bus_w(uint8_t data); uint8_t secondary_latency_r(); void secondary_latency_w(uint8_t data); uint8_t iobase_r(); void iobase_w(uint8_t data); uint8_t iolimit_r(); void iolimit_w(uint8_t data); uint16_t secondary_status_r(); void secondary_status_w(uint16_t data); uint16_t memory_base_r(); void memory_base_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0); uint16_t memory_limit_r(); void memory_limit_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0); uint16_t prefetch_base_r(); void prefetch_base_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0); uint16_t prefetch_limit_r(); void prefetch_limit_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0); uint32_t prefetch_baseu_r(); void prefetch_baseu_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0); uint32_t prefetch_limitu_r(); void prefetch_limitu_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0); uint16_t iobaseu_r(); void iobaseu_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0); uint16_t iolimitu_r(); void iolimitu_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0); uint16_t bridge_control_r(); virtual void bridge_control_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0); protected: enum { AS_PCI_CONFIG = 0 }; pci_bridge_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); virtual void device_start() override; virtual void device_reset() override; virtual void interface_post_reset() override; virtual space_config_vector memory_space_config() const override; virtual device_t *bus_root(); virtual void regenerate_config_mapping(); uint32_t do_config_read(uint8_t bus, uint8_t device, uint16_t reg, uint32_t mem_mask); uint32_t propagate_config_read(uint8_t bus, uint8_t device, uint16_t reg, uint32_t mem_mask); uint32_t config_read(uint8_t bus, uint8_t device, uint16_t reg, uint32_t mem_mask); void do_config_write(uint8_t bus, uint8_t device, uint16_t reg, uint32_t data, uint32_t mem_mask); void propagate_config_write(uint8_t bus, uint8_t device, uint16_t reg, uint32_t data, uint32_t mem_mask); void config_write(uint8_t bus, uint8_t device, uint16_t reg, uint32_t data, uint32_t mem_mask); pci_device *sub_devices[32*8]; std::vector all_devices; std::vector all_bridges; uint32_t prefetch_baseu, prefetch_limitu; uint16_t bridge_control, memory_base, memory_limit, prefetch_base, prefetch_limit, iobaseu, iolimitu; uint8_t primary_bus, secondary_bus, subordinate_bus, iobase, iolimit; private: address_space_config configure_space_config; }; class agp_bridge_device : public pci_bridge_device { protected: agp_bridge_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); virtual void device_start() override; virtual void device_reset() override; }; class pci_host_device : public pci_bridge_device { public: void io_configuration_access_map(address_map &map); void set_spaces(address_space *memory, address_space *io = nullptr, address_space *busmaster = nullptr); protected: pci_host_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); uint32_t config_address_r(); void config_address_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0); uint32_t config_data_r(offs_t offset, uint32_t mem_mask = ~0); void config_data_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0); uint32_t config_data_ex_r(offs_t offset, uint32_t mem_mask = ~0); void config_data_ex_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0); virtual void device_start() override; virtual void device_reset() override; virtual void interface_post_reset() override; virtual device_t *bus_root() override; uint32_t root_config_read(uint8_t bus, uint8_t device, uint16_t reg, uint32_t mem_mask); void root_config_write(uint8_t bus, uint8_t device, uint16_t reg, uint32_t data, uint32_t mem_mask); void regenerate_mapping(); uint64_t memory_window_start, memory_window_end, memory_offset; uint64_t io_window_start, io_window_end, io_offset; uint32_t config_address; private: address_space *memory_space, *io_space; }; using pci_pin_mapper = device_delegate; using pci_irq_handler = device_delegate; class pci_root_device : public device_t { public: pci_root_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); void irq_pin_w(int pin, int state); void irq_w(int line, int state); void set_pin_mapper(pci_pin_mapper &&mapper) { m_pin_mapper = std::move(mapper); } void set_irq_handler(pci_irq_handler &&handler) { m_irq_handler = std::move(handler); } address_space *get_pci_busmaster_space() const { return m_pci_busmaster_space; } void set_pci_busmaster_space(address_space *space) { m_pci_busmaster_space = space; } protected: virtual void device_start() override; virtual void device_reset() override; private: pci_pin_mapper m_pin_mapper; pci_irq_handler m_irq_handler; address_space *m_pci_busmaster_space; }; address_space *pci_device::get_pci_busmaster_space() const { return m_pci_root->get_pci_busmaster_space(); } DECLARE_DEVICE_TYPE(PCI_ROOT, pci_root_device) DECLARE_DEVICE_TYPE(PCI_BRIDGE, pci_bridge_device) #endif // MAME_MACHINE_PCI_H