diff options
Diffstat (limited to 'qemu/roms/openbios/drivers/ide.h')
| -rw-r--r-- | qemu/roms/openbios/drivers/ide.h | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/qemu/roms/openbios/drivers/ide.h b/qemu/roms/openbios/drivers/ide.h deleted file mode 100644 index 8983c8ecf..000000000 --- a/qemu/roms/openbios/drivers/ide.h +++ /dev/null @@ -1,213 +0,0 @@ -#ifndef IDE_H -#define IDE_H - -#include "hdreg.h" - -/* - * legacy ide ports - */ -#define IDEREG_DATA 0x00 -#define IDEREG_ERROR 0x01 -#define IDEREG_FEATURE IDEREG_ERROR -#define IDEREG_NSECTOR 0x02 -#define IDEREG_SECTOR 0x03 -#define IDEREG_LCYL 0x04 -#define IDEREG_HCYL 0x05 -#define IDEREG_CURRENT 0x06 -#define IDEREG_STATUS 0x07 -#define IDEREG_COMMAND IDEREG_STATUS -#define IDEREG_CONTROL 0x08 -#define IDEREG_ASTATUS IDEREG_CONTROL - -/* - * device control bits - */ -#define IDECON_NIEN 0x02 -#define IDECON_SRST 0x04 - -/* - * device head bits - */ -#define IDEHEAD_LBA 0x40 -#define IDEHEAD_DEV0 0x00 -#define IDEHEAD_DEV1 0x10 - -/* - * status bytes - */ -#define ERR_STAT 0x01 -#define DRQ_STAT 0x08 -#define SEEK_STAT 0x10 -#define WRERR_STAT 0x20 -#define READY_STAT 0x40 -#define BUSY_STAT 0x80 - -#define IREASON_CD 0x01 -#define IREASON_IO 0x02 - -/* - * ATA opcodes - */ -#define WIN_READ 0x20 -#define WIN_READ_EXT 0x24 -#define WIN_IDENTIFY 0xEC -#define WIN_PACKET 0xA0 -#define WIN_IDENTIFY_PACKET 0xA1 - -/* - * ATAPI opcodes - */ -#define ATAPI_TUR 0x00 -#define ATAPI_READ_10 0x28 -#define ATAPI_REQ_SENSE 0x03 -#define ATAPI_START_STOP_UNIT 0x1b -#define ATAPI_READ_CAPACITY 0x25 - -/* - * atapi sense keys - */ -#define ATAPI_SENSE_NOT_READY 0x02 - -/* - * supported device types - */ -enum { - ide_type_unknown, - ide_type_ata, - ide_type_atapi, -}; - -enum { - ide_media_floppy = 0x00, - ide_media_cdrom = 0x05, - ide_media_optical = 0x07, - ide_media_disk = 0x20, -}; - -/* - * drive addressing - */ -enum { - ide_chs = 1, - ide_lba28, - ide_lba48, -}; - -/* - * simple ata command that works for everything (except 48-bit lba commands) - */ -struct ata_command { - unsigned char *buffer; - unsigned int buflen; - - /* - * data register - */ - unsigned char data; - unsigned char feature; - unsigned char nsector; - unsigned char sector; - unsigned char lcyl; - unsigned char hcyl; - unsigned char device_head; - unsigned char command; - unsigned char control; - - /* - * or tasklet, just for lba48 for now (above could be scrapped) - */ - unsigned char task[10]; - - /* - * output - */ - unsigned char stat; - unsigned int bytes; -}; - -struct atapi_command { - unsigned char cdb[12]; - unsigned char *buffer; - unsigned int buflen; - unsigned char data_direction; - - unsigned char stat; - unsigned char sense_valid; - struct request_sense sense; - unsigned char old_cdb; -}; - -struct ide_channel; - -struct ide_drive { - char unit; /* 0: master, 1: slave */ - char present; /* there or not */ - char type; /* ata or atapi */ - char media; /* disk, cdrom, etc */ - char addressing; /* chs/lba28/lba48 */ - - char model[41]; /* name */ - int nr; - - unsigned long sectors; - - unsigned int max_sectors; - - /* - * for legacy chs crap - */ - unsigned int cyl; - unsigned int head; - unsigned int sect; - - unsigned int bs; /* block size */ - - struct ide_channel *channel; -}; - -struct ide_channel { - - phandle_t ph; - struct ide_channel *next; - - /* - * either mmio or io_regs is set to indicate mmio or not - */ - unsigned long mmio; - int io_regs[10]; - - /* - * can be set to a mmio hook, default it legacy outb/inb - */ - void (*obide_outb)(struct ide_channel *chan, - unsigned char addr, unsigned int port); - unsigned char (*obide_inb)(struct ide_channel *chan, - unsigned int port); - void (*obide_insw)(struct ide_channel *chan, - unsigned int port, unsigned char *addr, - unsigned int count); - void (*obide_outsw)(struct ide_channel *chan, - unsigned int port, unsigned char *addr, - unsigned int count); - - struct ide_drive drives[2]; - char selected; - char present; - - /* - * only one can be busy per channel - */ - struct ata_command ata_cmd; - struct atapi_command atapi_cmd; - -}; - -enum { - atapi_ddir_none, - atapi_ddir_read, - atapi_ddir_write, -}; - -static int ob_ide_atapi_request_sense(struct ide_drive *drive); - -#endif |