/* $NetBSD: globals.h,v 1.21 2015/09/30 14:14:32 phx Exp $ */

#ifdef DEBUG
#define DPRINTF(x)      printf x
#else
#define DPRINTF(x)
#endif

/* clock feed */
#ifndef EXT_CLK_FREQ
#define EXT_CLK_FREQ    33333333        /* external clock (PCI clock) */
#endif

/* brd type */
extern int brdtype;
#define BRD_SANDPOINTX2         2
#define BRD_SANDPOINTX3         3
#define BRD_ENCOREPP1           10
#define BRD_KUROBOX             100
#define BRD_QNAPTS              101
#define BRD_SYNOLOGY            102
#define BRD_STORCENTER          103
#define BRD_DLINKDSM            104
#define BRD_NH230NAS            105
#define BRD_KUROBOXT4           106
#define BRD_UNKNOWN             -1

struct brdprop {
       const char *family;
       const char *verbose;
       int brdtype;
       uint32_t extclk;
       char *consname;
       int consport;
       int consspeed;
       void (*setup)(struct brdprop *);
       void (*brdfix)(struct brdprop *);
       void (*pcifix)(struct brdprop *);
       void (*launch)(struct brdprop *);
       void (*reset)(void);
};

extern uint32_t cpuclock, busclock;

/* board specific support code */
struct brdprop *brd_lookup(int);
int get_drive_config(int);
int tstchar(void);
#ifdef DEBUG
void sat_write(char *, int);
int sat_getch(void);
int sat_tstch(void);
#endif
void read_mac_from_flash(uint8_t *);

/* PPC processor ctl */
void __syncicache(void *, size_t);

/* i/o access */
void out8(unsigned, unsigned);
unsigned in8(unsigned);
void out16rb(unsigned, unsigned);
void out32rb(unsigned, unsigned);
unsigned in16rb(unsigned);
unsigned in32rb(unsigned);
void iohtole16(unsigned, unsigned);
void iohtole32(unsigned, unsigned);
unsigned iole32toh(unsigned);
unsigned iole16toh(unsigned);

/* far call would never return */
void run(void *, void *, void *, void *, void *);

/* micro second precision delay */
void delay(unsigned);

/* PCI stuff */
struct pcidev {
       unsigned bdf;   /* bus.dev.func */
       unsigned pvd;   /* device ID */
       void *drv;      /* driver */
};
extern struct pcidev lata[2];
extern struct pcidev lnif[2];
extern struct pcidev lusb[3];
extern int nata, nnif, nusb;

void  pcisetup(void);
void  pcifixup(void);
void  launchfixup(void);
unsigned pcimaketag(int, int, int);
void  pcidecomposetag(unsigned, int *, int *, int *);
int   pcifinddev(unsigned, unsigned, unsigned *);
int   pcilookup(unsigned, struct pcidev *, int);
unsigned pcicfgread(unsigned, int);
void  pcicfgwrite(unsigned, int, unsigned);

#define PCI_ID_REG                      0x00
#define  PCI_VENDOR(id)                 ((id) & 0xffff)
#define  PCI_PRODUCT(id)                (((id) >> 16) & 0xffff)
#define  PCI_VENDOR_INVALID             0xffff
#define  PCI_DEVICE(v,p)                ((v) | ((p) << 16))
#define PCI_COMMAND_STATUS_REG          0x04
#define PCI_CLASS_REG                   0x08
#define  PCI_CLASS(v)                   (((v) >> 16) & 0xffff)
#define  PCI_SUBCLASS(v)                (((v) >> 16) & 0xff)
#define  PCI_INTERFACE(v)               (((v) & 0xff00) >> 8)
#define  PCI_REVISION(v)                ((v) & 0xff)
#define  PCI_CLASS_PPB                  0x0604
#define  PCI_CLASS_ETH                  0x0200
#define  PCI_CLASS_SCSI                 0x0100
#define  PCI_CLASS_IDE                  0x0101
#define  PCI_CLASS_RAID                 0x0104
#define  PCI_CLASS_SATA                 0x0106
#define  PCI_CLASS_MISCSTORAGE          0x0180
#define  PCI_CLASS_USB                  0x0c03
#define PCI_BHLC_REG                    0x0c
#define  PCI_HDRTYPE_TYPE(r)            (((r) >> 16) & 0x7f)
#define  PCI_HDRTYPE_MULTIFN(r)         ((r) & (0x80 << 16))

/*
* "Map B" layout
*
* practice direct mode configuration scheme with CONFIG_ADDR
* (0xfec0'0000) and CONFIG_DATA (0xfee0'0000).
*/
#define PCI_MEMBASE     0x80000000      /* PCI memory space */
#define PCI_MEMLIMIT    0xfbffffff      /* EUMB is next to this */
#define PCI_IOBASE      0x00001000      /* reserves room for southbridge */
#define PCI_IOLIMIT     0x000fffff
#define PCI_XIOBASE     0xfe000000      /* ISA/PCI io space */
#define CONFIG_ADDR     0xfec00000
#define CONFIG_DATA     0xfee00000

/* cache ops */
void _wb(uint32_t, uint32_t);
void _wbinv(uint32_t, uint32_t);
void _inv(uint32_t, uint32_t);

/* parsing */
uint32_t read_hex(const char *);

/* heap */
void *allocaligned(size_t, size_t);

/* NIF support */
int net_open(struct open_file *, ...);
int net_close(struct open_file *);
int net_strategy(void *, int, daddr_t, size_t, void *, size_t *);

int netif_init(void *);
void netif_shutdown_all(void);
int netif_open(void *);
int netif_close(int);

#define NIF_DECL(xxx) \
   int xxx ## _match(unsigned, void *); \
   void * xxx ## _init(unsigned, void *); \
   int xxx ## _send(void *, char *, unsigned); \
   int xxx ## _recv(void *, char *, unsigned, unsigned); \
   void xxx ## _shutdown(void *)

NIF_DECL(fxp);
NIF_DECL(tlp);
NIF_DECL(rge);
NIF_DECL(skg);
NIF_DECL(stg);

/* DSK support */
#define MAX_UNITS 4

struct disk {
       char xname[8];
       void *dvops;
       unsigned unitchan;
       unsigned unittag;
       uint16_t ident[128];
       uint64_t nsect;
       uint64_t first;
       void *dlabel;
       int part;
       void *fsops;
       int (*lba_read)(struct disk *, int64_t, int, void *);
};

int dskdv_init(void *);
int dlabel_valid(int);
int dsk_open(struct open_file *, ...);
int dsk_close(struct open_file *);
int dsk_strategy(void *, int, daddr_t, size_t, void *, size_t *);
struct fs_ops *dsk_fsops(struct open_file *);

#define DSK_DECL(xxx) \
   int xxx ## _match(unsigned, void *); \
   void * xxx ## _init(unsigned, void *)

DSK_DECL(pciide);
DSK_DECL(siisata);

extern int sata_delay[4];

/* status */
#define ATA_STS_BUSY            0x80
#define ATA_STS_DRDY            0x40
#define ATA_STS_ERR             0x01
/* command */
#define ATA_CMD_CHKPWR          0xe5
#define ATA_CMD_IDENT           0xec
#define ATA_CMD_IDLE            0xe3
#define ATA_CMD_READ            0x20
#define ATA_CMD_READ_EXT        0x24
#define ATA_CMD_SETF            0xef
#define ATA_CMD_STANDBY         0xe2
/* device */
#define ATA_DEV_LBA             0xe0
#define ATA_DEV_OBS             0x90
/* control */
#define ATA_DREQ                0x08
#define ATA_SRST                0x04
/* power state */
#define ATA_PWR_ACTIVE          0xff
#define ATA_PWR_IDLE            0x80
#define ATA_PWR_STANDBY         0x00

#define ATA_XFER                0x03
#define XFER_PIO4               0x0c
#define XFER_PIO0               0x08

struct dvata_chan {
       uint32_t cmd, ctl, alt, dma;
};
#define _DAT    0       /* RW */
#define _ERR    1       /* R */
#define _FEA    1       /* W */
#define _NSECT  2       /* RW */
#define _LBAL   3       /* RW */
#define _LBAM   4       /* RW */
#define _LBAH   5       /* RW */
#define _DEV    6       /* W */
#define _STS    7       /* R */
#define _CMD    7       /* W */

struct dkdev_ata {
       unsigned tag;
       uint32_t bar[6];
       struct dvata_chan chan[4];
       int presense[4];
       char *iobuf;
};

int spinwait_unbusy(struct dkdev_ata *, int, int, const char **);
int perform_atareset(struct dkdev_ata *, int);
void wakeup_drive(struct dkdev_ata *, int);
int atachkpwr(struct dkdev_ata *, int);

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