summaryrefslogtreecommitdiffstatshomepage
path: root/trunk/src/emu/machine/idectrl.h
diff options
context:
space:
mode:
Diffstat (limited to 'trunk/src/emu/machine/idectrl.h')
-rw-r--r--trunk/src/emu/machine/idectrl.h196
1 files changed, 196 insertions, 0 deletions
diff --git a/trunk/src/emu/machine/idectrl.h b/trunk/src/emu/machine/idectrl.h
new file mode 100644
index 00000000000..e55aae970e1
--- /dev/null
+++ b/trunk/src/emu/machine/idectrl.h
@@ -0,0 +1,196 @@
+/***************************************************************************
+
+ idectrl.h
+
+ Generic (PC-style) IDE controller implementation.
+
+ Copyright Nicola Salmoria and the MAME Team.
+ Visit http://mamedev.org for licensing and usage restrictions.
+
+***************************************************************************/
+
+#pragma once
+
+#ifndef __IDECTRL_H__
+#define __IDECTRL_H__
+
+#include "devlegcy.h"
+
+#include "harddisk.h"
+#include "imagedev/harddriv.h"
+
+#define IDE_DISK_SECTOR_SIZE 512
+
+/***************************************************************************
+ TYPE DEFINITIONS
+***************************************************************************/
+// ======================> ide_device_interface
+
+class ide_device_interface : public device_slot_card_interface
+{
+public:
+ ide_device_interface(const machine_config &mconfig, device_t &device);
+public:
+ virtual int read_sector(UINT32 lba, void *buffer) = 0;
+ virtual int write_sector(UINT32 lba, const void *buffer) = 0;
+
+ UINT8 *get_features() { return m_features;}
+
+ UINT16 get_cylinders() { return m_num_cylinders; }
+ UINT16 get_sectors() { return m_num_sectors; }
+ UINT16 get_heads() { return m_num_heads; }
+ void set_geometry(UINT8 sectors, UINT8 heads) { m_num_sectors= sectors; m_num_heads=heads; }
+ virtual bool is_ready() { return true; }
+ virtual void read_key(UINT8 key[]) { }
+protected:
+ UINT8 m_features[IDE_DISK_SECTOR_SIZE];
+ UINT16 m_num_cylinders;
+ UINT8 m_num_sectors;
+ UINT8 m_num_heads;
+};
+
+// ======================> ide_slot_device
+
+class ide_slot_device : public device_t,
+ public device_slot_interface
+{
+public:
+ // construction/destruction
+ ide_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ int read_sector(UINT32 lba, void *buffer) { return (m_dev) ? m_dev->read_sector(lba,buffer) : 0; }
+ int write_sector(UINT32 lba, const void *buffer) { return (m_dev) ? m_dev->write_sector(lba,buffer) : 0; }
+ UINT8 *get_features() { return (m_dev) ? m_dev->get_features() : NULL;}
+
+ UINT16 get_cylinders() { return (m_dev) ? m_dev->get_cylinders() : 0; }
+ UINT16 get_sectors() { return (m_dev) ? m_dev->get_sectors() : 0; }
+ UINT16 get_heads() { return (m_dev) ? m_dev->get_heads() : 0; }
+ void set_geometry(UINT8 sectors, UINT8 heads) { if (m_dev) m_dev->set_geometry(sectors,heads); }
+ bool is_ready() { return (m_dev) ? m_dev->is_ready() : false; }
+ void read_key(UINT8 key[]) { if (m_dev) m_dev->read_key(key); }
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_config_complete();
+private:
+ ide_device_interface *m_dev;
+};
+
+// device type definition
+extern const device_type IDE_SLOT;
+
+// ======================> ide_hdd_device
+
+class ide_hdd_device : public device_t,
+ public ide_device_interface
+{
+public:
+ // construction/destruction
+ ide_hdd_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ ide_hdd_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock);
+
+ virtual int read_sector(UINT32 lba, void *buffer) { return hard_disk_read(m_disk, lba, buffer); }
+ virtual int write_sector(UINT32 lba, const void *buffer) { return hard_disk_write(m_disk, lba, buffer); }
+ virtual void read_key(UINT8 key[]);
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+ virtual void device_config_complete() { m_shortname = "hdd"; }
+
+ void ide_build_features();
+ virtual bool is_ready() { return (m_disk != NULL); }
+protected:
+ chd_file *m_handle;
+ hard_disk_file *m_disk;
+};
+// device type definition
+extern const device_type IDE_HARDDISK;
+
+// ======================> ide_hdd_image_device
+
+class ide_hdd_image_device : public ide_hdd_device
+{
+public:
+ // construction/destruction
+ ide_hdd_image_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+ virtual void device_config_complete() { m_shortname = "hdd_image"; }
+ // optional information overrides
+ virtual machine_config_constructor device_mconfig_additions() const;
+};
+// device type definition
+extern const device_type IDE_HARDDISK_IMAGE;
+
+/***************************************************************************
+ TYPE DEFINITIONS
+***************************************************************************/
+
+typedef struct _ide_config ide_config;
+struct _ide_config
+{
+ void (*interrupt)(device_t *device, int state);
+ const char *bmcpu; /* name of bus master CPU */
+ UINT32 bmspace; /* address space of bus master transfer */
+};
+
+
+SLOT_INTERFACE_EXTERN(ide_devices);
+SLOT_INTERFACE_EXTERN(ide_image_devices);
+
+/***************************************************************************
+ DEVICE CONFIGURATION MACROS
+***************************************************************************/
+
+#define MCFG_IDE_CONTROLLER_ADD(_tag, _callback, _slotintf, _master, _slave) \
+ MCFG_DEVICE_ADD(_tag, IDE_CONTROLLER, 0) \
+ MCFG_DEVICE_CONFIG_DATAPTR(ide_config, interrupt, _callback) \
+ MCFG_IDE_SLOT_ADD("drive_0", _slotintf, _master, NULL) \
+ MCFG_IDE_SLOT_ADD("drive_1", _slotintf, _slave, NULL) \
+
+#define MCFG_IDE_BUS_MASTER_SPACE(_tag, _cpu, _space) \
+ MCFG_DEVICE_MODIFY(_tag) \
+ MCFG_DEVICE_CONFIG_DATAPTR(ide_config, bmcpu, _cpu) \
+ MCFG_DEVICE_CONFIG_DATA32(ide_config, bmspace, AS_##_space)
+
+#define MCFG_IDE_SLOT_ADD(_tag, _slot_intf, _def_slot, _def_inp) \
+ MCFG_DEVICE_ADD(_tag, IDE_SLOT, 0) \
+ MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, _def_inp) \
+
+/***************************************************************************
+ FUNCTION PROTOTYPES
+***************************************************************************/
+
+UINT8 *ide_get_features(device_t *device, int drive);
+
+void ide_set_master_password(device_t *device, const UINT8 *password);
+void ide_set_user_password(device_t *device, const UINT8 *password);
+
+void ide_set_gnet_readlock(device_t *device, const UINT8 onoff);
+
+int ide_bus_r(device_t *config, int select, int offset);
+void ide_bus_w(device_t *config, int select, int offset, int data);
+
+UINT32 ide_controller_r(device_t *config, int reg, int size);
+void ide_controller_w(device_t *config, int reg, int size, UINT32 data);
+
+READ32_DEVICE_HANDLER( ide_controller32_r );
+WRITE32_DEVICE_HANDLER( ide_controller32_w );
+READ32_DEVICE_HANDLER( ide_controller32_pcmcia_r );
+WRITE32_DEVICE_HANDLER( ide_controller32_pcmcia_w );
+READ32_DEVICE_HANDLER( ide_bus_master32_r );
+WRITE32_DEVICE_HANDLER( ide_bus_master32_w );
+
+READ16_DEVICE_HANDLER( ide_controller16_r );
+WRITE16_DEVICE_HANDLER( ide_controller16_w );
+
+
+/* ----- device interface ----- */
+
+DECLARE_LEGACY_DEVICE(IDE_CONTROLLER, ide_controller);
+
+
+#endif /* __IDECTRL_H__ */