include/sata.h

   1
   2 #if (DEBUG_SATA)
   3 #define PRINTF(fmt,args...)     printf (fmt ,##args)
   4 #else
   5 #define PRINTF(fmt,args...)
   6 #endif
   7
   8 struct sata_ioports {
   9         unsigned long cmd_addr;
  10         unsigned long data_addr;
  11         unsigned long error_addr;
  12         unsigned long feature_addr;
  13         unsigned long nsect_addr;
  14         unsigned long lbal_addr;
  15         unsigned long lbam_addr;
  16         unsigned long lbah_addr;
  17         unsigned long device_addr;
  18         unsigned long status_addr;
  19         unsigned long command_addr;
  20         unsigned long altstatus_addr;
  21         unsigned long ctl_addr;
  22         unsigned long bmdma_addr;
  23         unsigned long scr_addr;
  24 };
  25
  26 struct sata_port {
  27         unsigned char port_no;          /* primary=0, secondary=1       */
  28         struct sata_ioports ioaddr;     /* ATA cmd/ctl/dma reg blks     */
  29         unsigned char ctl_reg;
  30         unsigned char last_ctl;
  31         unsigned char port_state;       /* 1-port is available and      */
  32                                         /* 0-port is not available      */
  33         unsigned char dev_mask;
  34 };
  35
  36 /***********SATA LIBRARY SPECIFIC DEFINITIONS AND DECLARATIONS**************/
  37 #ifdef SATA_DECL                /*SATA library specific declarations */
  38 #define ata_id_has_lba48(id)    ((id)[83] & (1 << 10))
  39 #define ata_id_has_lba(id)      ((id)[49] & (1 << 9))
  40 #define ata_id_has_dma(id)      ((id)[49] & (1 << 8))
  41 #define ata_id_u32(id,n)        \
  42         (((u32) (id)[(n) + 1] << 16) | ((u32) (id)[(n)]))
  43 #define ata_id_u64(id,n)        \
  44         (((u64) (id)[(n) + 3] << 48) | \
  45         ((u64) (id)[(n) + 2] << 32) | \
  46         ((u64) (id)[(n) + 1] << 16) | \
  47         ((u64) (id)[(n) + 0]) )
  48 #endif
  49
  50 #ifdef SATA_DECL                /*SATA library specific declarations */
  51 static inline void
  52 ata_dump_id (u16 * id)
  53 {
  54         PRINTF ("49==0x%04x  "
  55                 "53==0x%04x  "
  56                 "63==0x%04x  "
  57                 "64==0x%04x  "
  58                 "75==0x%04x  \n", id[49], id[53], id[63], id[64], id[75]);
  59         PRINTF ("80==0x%04x  "
  60                 "81==0x%04x  "
  61                 "82==0x%04x  "
  62                 "83==0x%04x  "
  63                 "84==0x%04x  \n", id[80], id[81], id[82], id[83], id[84]);
  64         PRINTF ("88==0x%04x  " "93==0x%04x\n", id[88], id[93]);
  65 }
  66 #endif
  67
  68 #ifdef SATA_DECL                /*SATA library specific declarations */
  69 int sata_bus_softreset (int num);
  70 void sata_identify (int num, int dev);
  71 void sata_port (struct sata_ioports *ioport);
  72 void set_Feature_cmd (int num, int dev);
  73 int sata_devchk (struct sata_ioports *ioaddr, int dev);
  74 void dev_select (struct sata_ioports *ioaddr, int dev);
  75 u8 sata_busy_wait (struct sata_ioports *ioaddr, int bits, unsigned int max);
  76 u8 sata_chk_status (struct sata_ioports *ioaddr);
  77 ulong sata_read (int device, ulong blknr,lbaint_t blkcnt, void * buffer);
  78 ulong sata_write (int device,ulong blknr, lbaint_t blkcnt, void * buffer);
  79 void msleep (int count);
  80 #else
  81 extern int sata_bus_softreset (int num);
  82 extern void sata_identify (int num, int dev);
  83 extern void sata_port (struct sata_ioports *ioport);
  84 extern void set_Feature_cmd (int num, int dev);
  85 extern ulong sata_read (int device, ulong blknr,
  86                         lbaint_t blkcnt, void * buffer);
  87 extern ulong sata_write (int device, ulong blknr,
  88                         lbaint_t blkcnt, void * buffer);
  89 extern void msleep (int count);
  90 #endif
  91
  92 /************DRIVER SPECIFIC DEFINITIONS AND DECLARATIONS**************/
  93
  94 #ifdef DRV_DECL                 /*Driver specific declaration */
  95 int init_sata (void);
  96 #else
  97 extern int init_sata (void);
  98 #endif
  99
 100 #ifdef DRV_DECL                 /*Defines Driver Specific variables */
 101 struct sata_port port[CFG_SATA_MAXBUS];
 102 block_dev_desc_t sata_dev_desc[CFG_SATA_MAXDEVICES];
 103 int curr_dev = -1;
 104 #else
 105 extern struct sata_port port[CFG_SATA_MAXBUS];
 106 extern block_dev_desc_t sata_dev_desc[CFG_SATA_MAXDEVICES];
 107 extern int curr_dev;
 108 #endif