[PATCH] sil24: add constants

Adds constants for ATAPI support to sata_sil24.  This patch is
originally from Jeff Garzik <jgarzik@pobox.com>.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c
index 55e744d..cb1933a 100644 (file)
--- a/drivers/scsi/sata_sil24.c
+++ b/drivers/scsi/sata_sil24.c
@@ -139,6 +139,7 @@ enum {
        PORT_CS_DEV_RST         = (1 << 1), /* device reset */
        PORT_CS_INIT            = (1 << 2), /* port initialize */
        PORT_CS_IRQ_WOC         = (1 << 3), /* interrupt write one to clear */
+       PORT_CS_CDB16           = (1 << 5), /* 0=12b cdb, 1=16b cdb */
        PORT_CS_RESUME          = (1 << 6), /* port resume */
        PORT_CS_32BIT_ACTV      = (1 << 10), /* 32-bit activation */
        PORT_CS_PM_EN           = (1 << 13), /* port multiplier enable */
@@ -188,11 +189,29 @@ enum {
        PORT_CERR_XFR_PCIPERR   = 35, /* PSD ecode 11 - PCI prity err during transfer */
        PORT_CERR_SENDSERVICE   = 36, /* FIS received while sending service */
 
+       /* bits of PRB control field */
+       PRB_CTRL_PROTOCOL       = (1 << 0), /* override def. ATA protocol */
+       PRB_CTRL_PACKET_READ    = (1 << 4), /* PACKET cmd read */
+       PRB_CTRL_PACKET_WRITE   = (1 << 5), /* PACKET cmd write */
+       PRB_CTRL_NIEN           = (1 << 6), /* Mask completion irq */
+       PRB_CTRL_SRST           = (1 << 7), /* Soft reset request (ign BSY?) */
+
+       /* PRB protocol field */
+       PRB_PROT_PACKET         = (1 << 0),
+       PRB_PROT_TCQ            = (1 << 1),
+       PRB_PROT_NCQ            = (1 << 2),
+       PRB_PROT_READ           = (1 << 3),
+       PRB_PROT_WRITE          = (1 << 4),
+       PRB_PROT_TRANSPARENT    = (1 << 5),
+
        /*
         * Other constants
         */
        SGE_TRM                 = (1 << 31), /* Last SGE in chain */
-       PRB_SOFT_RST            = (1 << 7),  /* Soft reset request (ign BSY?) */
+       SGE_LNK                 = (1 << 30), /* linked list
+                                               Points to SGT, not SGE */
+       SGE_DRD                 = (1 << 29), /* discard data read (/dev/null)
+                                               data address ignored */
 
        /* board id */
        BID_SIL3124             = 0,