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-rw-r--r--src/emu/machine/pci.h181
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