diff options
Diffstat (limited to 'src/emu/machine/pci.h')
-rw-r--r-- | src/emu/machine/pci.h | 181 |
1 files changed, 126 insertions, 55 deletions
diff --git a/src/emu/machine/pci.h b/src/emu/machine/pci.h index c878ebd2d71..a2e48ddc7e8 100644 --- a/src/emu/machine/pci.h +++ b/src/emu/machine/pci.h @@ -1,81 +1,152 @@ -/*************************************************************************** +#ifndef PCI_H +#define PCI_H - machine/pci.h +#include "emu.h" - PCI bus +#define MCFG_PCI_ROOT_ADD(_tag) \ + MCFG_DEVICE_ADD(_tag, PCI_ROOT, 0) -***************************************************************************/ +#define MCFG_PCI_DEVICE_ADD(_tag, _type, _main_id, _revision, _pclass, _subdevice_id) \ + MCFG_DEVICE_ADD(_tag, _type, 0) \ + downcast<pci_device *>(device)->set_ids(_main_id, _revision, _pclass, _subdevice_id); -#ifndef PCI_H -#define PCI_H +#define MCFG_AGP_DEVICE_ADD(_tag, _type, _main_id, _revision, _subdevice_id) \ + MCFG_PCI_DEVICE_ADD(_tag, _type, _main_id, _revision, 0x030000, _subdevice_id) -//************************************************************************** -// TYPE DEFINITIONS -//************************************************************************** +#define MCFG_PCI_HOST_ADD(_tag, _type, _main_id, _revision, _subdevice_id) \ + MCFG_PCI_DEVICE_ADD(_tag, _type, _main_id, _revision, 0x060000, _subdevice_id) -typedef UINT32 (*pci_read_func)(device_t *pcibus, device_t *device, int function, int reg, UINT32 mem_mask); -typedef void (*pci_write_func)(device_t *pcibus, device_t *device, int function, int reg, UINT32 data, UINT32 mem_mask); +#define MCFG_PCI_BRIDGE_ADD(_tag, _main_id, _revision) \ + MCFG_PCI_DEVICE_ADD(_tag, PCI_BRIDGE, _main_id, _revision, 0x060400, 0x00000000) -// ======================> pci_bus_legacy_device +#define MCFG_AGP_BRIDGE_ADD(_tag, _type, _main_id, _revision) \ + MCFG_PCI_DEVICE_ADD(_tag, _type, _main_id, _revision, 0x060400, 0x00000000) -class pci_bus_legacy_device : public device_t -{ +class pci_device : public device_t { public: - // construction/destruction - pci_bus_legacy_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + pci_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); - DECLARE_READ32_MEMBER( read ); - DECLARE_WRITE32_MEMBER( write ); + void set_ids(UINT32 main_id, UINT8 revision, UINT32 pclass, UINT32 subdevice_id); - DECLARE_READ64_MEMBER( read_64be ); - DECLARE_WRITE64_MEMBER( write_64be ); + virtual void reset_all_mappings(); + virtual void map_device(UINT64 memory_window_start, UINT64 memory_window_end, UINT64 memory_offset, address_space *memory_space, + UINT64 io_window_start, UINT64 io_window_end, UINT64 io_offset, address_space *io_space); + virtual void map_extra(UINT64 memory_window_start, UINT64 memory_window_end, UINT64 memory_offset, address_space *memory_space, + UINT64 io_window_start, UINT64 io_window_end, UINT64 io_offset, address_space *io_space); - void set_busnum(int busnum) { m_busnum = busnum; } - void set_father(const char *father) { m_father = father; } - void set_device(int num, const char *tag, pci_read_func read_func, pci_write_func write_func) { - m_devtag[num] = tag; m_read_callback[num] = read_func; m_write_callback[num] = write_func; } + void map_config(UINT8 device, address_space *config_space); - pci_bus_legacy_device *pci_search_bustree(int busnum, int devicenum, pci_bus_legacy_device *pcibus); - void add_sibling(pci_bus_legacy_device *sibling, int busnum); + virtual DECLARE_ADDRESS_MAP(config_map, 32); protected: - // device-level overrides + enum { + M_MEM = 0, + M_IO = 1, + M_64D = 2, + M_64A = 4, + M_PREF = 8 + }; + + UINT32 main_id, subdevice_id; + UINT32 pclass; + UINT8 revision; + virtual void device_start(); virtual void device_reset(); - virtual void device_post_load(); + + static void scan_sub_devices(pci_device **devices, dynamic_array<pci_device *> &all, dynamic_array<pci_device *> &bridges, device_t *root); + + void add_map(UINT64 size, int flags, address_map_delegate &map); + template <typename T> void add_map(UINT64 size, int flags, void (T::*map)(address_map &map, device_t &device), const char *name) { + address_map_delegate delegate(map, name, static_cast<T *>(this)); + add_map(size, flags, delegate); + } +}; + +class agp_device : public pci_device { +public: + agp_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); + +protected: + virtual void device_start(); + virtual void device_reset(); +}; + +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 clock); + pci_bridge_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); + + virtual void map_device(UINT64 memory_window_start, UINT64 memory_window_end, UINT64 memory_offset, address_space *memory_space, + UINT64 io_window_start, UINT64 io_window_end, UINT64 io_offset, address_space *io_space); + virtual void reset_all_mappings(); + +protected: + pci_device *sub_devices[32*8]; + dynamic_array<pci_device *> all_devices; + dynamic_array<pci_device *> all_bridges; + + virtual void device_start(); + virtual void device_reset(); + virtual const address_space_config *memory_space_config(address_spacenum spacenum) const; + + virtual device_t *bus_root(); + virtual void regenerate_config_mapping(); private: - UINT8 m_busnum; - const char * m_devtag[32]; - pci_read_func m_read_callback[32]; - pci_write_func m_write_callback[32]; - const char * m_father; - device_t * m_device[32]; - pci_bus_legacy_device * m_siblings[8]; - UINT8 m_siblings_busnum[8]; - int m_siblings_count; - - offs_t m_address; - INT8 m_devicenum; // device number we are addressing - INT8 m_busnumber; // pci bus number we are addressing - pci_bus_legacy_device * m_busnumaddr; // pci bus we are addressing + address_space_config configure_space_config; }; -// device type definition -extern const device_type PCI_BUS_LEGACY; +class agp_bridge_device : public pci_bridge_device { +public: + agp_bridge_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); +protected: + virtual void device_start(); + virtual void device_reset(); +}; + +class pci_host_device : public pci_bridge_device { +public: + DECLARE_ADDRESS_MAP(io_configuration_access_map, 32); + + pci_host_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); + +protected: + address_space *memory_space, *io_space; + + UINT64 memory_window_start, memory_window_end, memory_offset; + UINT64 io_window_start, io_window_end, io_offset; + + virtual void device_start(); + virtual void device_reset(); + + virtual device_t *bus_root(); + + UINT32 config_address; + + DECLARE_READ32_MEMBER(config_address_r); + DECLARE_WRITE32_MEMBER(config_address_w); + DECLARE_READ32_MEMBER(config_data_r); + DECLARE_WRITE32_MEMBER(config_data_w); + + UINT32 config_read(UINT8 bus, UINT8 device, UINT16 reg, UINT32 mem_mask); + void config_write(UINT8 bus, UINT8 device, UINT16 reg, UINT32 data, UINT32 mem_mask); + + void regenerate_mapping(); + virtual void regenerate_config_mapping(); +}; -/*************************************************************************** - DEVICE CONFIGURATION MACROS -***************************************************************************/ +class pci_root_device : public device_t { +public: + pci_root_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); -#define MCFG_PCI_BUS_LEGACY_ADD(_tag, _busnum) \ - MCFG_DEVICE_ADD(_tag, PCI_BUS_LEGACY, 0) \ - downcast<pci_bus_legacy_device *>(device)->set_busnum(_busnum); -#define MCFG_PCI_BUS_LEGACY_DEVICE(_devnum, _devtag, _configread, _configwrite) \ - downcast<pci_bus_legacy_device *>(device)->set_device(_devnum, _devtag,_configread,_configwrite); -#define MCFG_PCI_BUS_LEGACY_SIBLING(_father_tag) \ - downcast<pci_bus_legacy_device *>(device)->set_father(_father_tag); +protected: + virtual void device_start(); + virtual void device_reset(); +}; +extern const device_type PCI_ROOT; +extern const device_type PCI_BRIDGE; -#endif /* PCI_H */ +#endif |