diff options
Diffstat (limited to 'drivers/ata/ahci.h')
| -rw-r--r-- | drivers/ata/ahci.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h index 7fed43045a..5a187fd2e1 100644 --- a/drivers/ata/ahci.h +++ b/drivers/ata/ahci.h @@ -33,6 +33,12 @@ #define HOST_VERSION 0x10 /* AHCI spec. version compliancy */ #define HOST_CAP2 0x24 /* host capabilities, extended */ +/* HOST_CAP bits */ +#define HOST_SMPS (1 << 28) /* supports mechanical presence switch */ +#define HOST_SSS (1 << 27) /* supports staggered spin-up */ +#define HOST_SPM (1 << 17) /* supports port multiplier */ +#define HOST_NP (0x1f << 0) /* number of ports */ + /* HOST_CTL bits */ #define HOST_RESET (1 << 0) /* reset controller; self-clear */ #define HOST_IRQ_EN (1 << 1) /* global IRQ enable */ @@ -98,6 +104,9 @@ #define PORT_CMD_ICC_PARTIAL (0x2 << 28) /* Put i/f in partial state */ #define PORT_CMD_ICC_SLUMBER (0x6 << 28) /* Put i/f in slumber state */ +/* PORT_SCR_STAT bits */ +#define PORT_SCR_STAT_DET (0xf << 0) /* device detection */ + #define AHCI_MAX_PORTS 32 /* SETFEATURES stuff */ @@ -130,6 +139,9 @@ #define ATA_FLAG_PIO_DMA (1 << 8) /* PIO cmds via DMA */ #define ATA_FLAG_NO_ATAPI (1 << 11) /* No ATAPI support */ +/* Command list entry DW0 bits */ +#define CMD_LIST_OPTS_WRITE (1 << 6) /* the direction is a device write */ + struct ahci_device; struct ahci_port { |