158 lines
4.0 KiB
C
158 lines
4.0 KiB
C
/*
|
|
* 86Box A hypervisor and IBM PC system emulator that specializes in
|
|
* running old operating systems and software designed for IBM
|
|
* PC systems and compatibles from 1981 through fairly recent
|
|
* system designs based on the PCI bus.
|
|
*
|
|
* This file is part of the 86Box distribution.
|
|
*
|
|
* Implementation of the IDE emulation for hard disks and ATAPI
|
|
* CD-ROM devices.
|
|
*
|
|
*
|
|
*
|
|
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
|
|
* Miran Grca, <mgrca8@gmail.com>
|
|
* Copyright 2008-2019 Sarah Walker.
|
|
* Copyright 2016-2019 Miran Grca.
|
|
*/
|
|
#ifndef EMU_IDE_H
|
|
# define EMU_IDE_H
|
|
|
|
|
|
enum
|
|
{
|
|
IDE_NONE = 0,
|
|
IDE_HDD,
|
|
IDE_ATAPI
|
|
};
|
|
|
|
#ifdef SCSI_DEVICE_H
|
|
typedef struct ide_s {
|
|
uint8_t selected,
|
|
atastat, error,
|
|
command, fdisk;
|
|
int type, board,
|
|
irqstat, service,
|
|
blocksize, blockcount,
|
|
hdd_num, channel,
|
|
pos, sector_pos,
|
|
lba, skip512,
|
|
reset, mdma_mode,
|
|
do_initial_read;
|
|
uint32_t secount, sector,
|
|
cylinder, head,
|
|
drive, cylprecomp,
|
|
cfg_spt, cfg_hpc,
|
|
lba_addr, tracks,
|
|
spt, hpc;
|
|
|
|
uint16_t *buffer;
|
|
uint8_t *sector_buffer;
|
|
|
|
pc_timer_t timer;
|
|
|
|
/* Stuff mostly used by ATAPI */
|
|
scsi_common_t *sc;
|
|
int interrupt_drq;
|
|
|
|
int (*get_max)(int ide_has_dma, int type);
|
|
int (*get_timings)(int ide_has_dma, int type);
|
|
void (*identify)(struct ide_s *ide, int ide_has_dma);
|
|
void (*stop)(scsi_common_t *sc);
|
|
void (*packet_command)(scsi_common_t *sc, uint8_t *cdb);
|
|
void (*device_reset)(scsi_common_t *sc);
|
|
uint8_t (*phase_data_out)(scsi_common_t *sc);
|
|
void (*command_stop)(scsi_common_t *sc);
|
|
void (*bus_master_error)(scsi_common_t *sc);
|
|
} ide_t;
|
|
|
|
extern ide_t *ide_drives[IDE_NUM];
|
|
#endif
|
|
|
|
/* Type:
|
|
0 = PIO,
|
|
1 = SDMA,
|
|
2 = MDMA,
|
|
3 = UDMA
|
|
Return:
|
|
-1 = Not supported,
|
|
Anything else = maximum mode
|
|
|
|
This will eventually be hookable. */
|
|
enum {
|
|
TYPE_PIO = 0,
|
|
TYPE_SDMA,
|
|
TYPE_MDMA,
|
|
TYPE_UDMA
|
|
};
|
|
|
|
/* Return:
|
|
0 = Not supported,
|
|
Anything else = timings
|
|
|
|
This will eventually be hookable. */
|
|
enum {
|
|
TIMINGS_DMA = 0,
|
|
TIMINGS_PIO,
|
|
TIMINGS_PIO_FC
|
|
};
|
|
|
|
|
|
extern int ide_ter_enabled, ide_qua_enabled;
|
|
|
|
|
|
#ifdef SCSI_DEVICE_H
|
|
extern ide_t * ide_get_drive(int ch);
|
|
extern void ide_irq_raise(ide_t *ide);
|
|
extern void ide_irq_lower(ide_t *ide);
|
|
extern void ide_allocate_buffer(ide_t *dev);
|
|
extern void ide_atapi_attach(ide_t *dev);
|
|
#endif
|
|
|
|
extern void * ide_xtide_init(void);
|
|
extern void ide_xtide_close(void);
|
|
|
|
extern void ide_writew(uint16_t addr, uint16_t val, void *priv);
|
|
extern void ide_write_devctl(uint16_t addr, uint8_t val, void *priv);
|
|
extern void ide_writeb(uint16_t addr, uint8_t val, void *priv);
|
|
extern uint8_t ide_readb(uint16_t addr, void *priv);
|
|
extern uint8_t ide_read_alt_status(uint16_t addr, void *priv);
|
|
extern uint16_t ide_readw(uint16_t addr, void *priv);
|
|
|
|
extern void ide_set_bus_master(int board,
|
|
int (*dma)(int channel, uint8_t *data, int transfer_length, int out, void *priv),
|
|
void (*set_irq)(int channel, void *priv), void *priv);
|
|
|
|
extern void win_cdrom_eject(uint8_t id);
|
|
extern void win_cdrom_reload(uint8_t id);
|
|
|
|
extern void ide_set_base(int board, uint16_t port);
|
|
extern void ide_set_side(int board, uint16_t port);
|
|
|
|
extern void ide_pri_enable(void);
|
|
extern void ide_pri_disable(void);
|
|
extern void ide_sec_enable(void);
|
|
extern void ide_sec_disable(void);
|
|
|
|
extern void ide_board_set_force_ata3(int board, int force_ata3);
|
|
#ifdef EMU_ISAPNP_H
|
|
extern void ide_pnp_config_changed(uint8_t ld, isapnp_device_config_t *config, void *priv);
|
|
#endif
|
|
|
|
extern double ide_atapi_get_period(uint8_t channel);
|
|
#ifdef SCSI_DEVICE_H
|
|
extern void ide_set_callback(ide_t *ide, double callback);
|
|
#endif
|
|
extern void ide_set_board_callback(uint8_t board, double callback);
|
|
|
|
extern void ide_padstr(char *str, const char *src, int len);
|
|
extern void ide_padstr8(uint8_t *buf, int buf_size, const char *src);
|
|
|
|
extern int (*ide_bus_master_dma)(int channel, uint8_t *data, int transfer_length, int out, void *priv);
|
|
extern void (*ide_bus_master_set_irq)(int channel, void *priv);
|
|
extern void *ide_bus_master_priv[2];
|
|
|
|
|
|
#endif /*EMU_IDE_H*/
|