[PATCH] sata_sil: add new constants in preparation for new interrupt handler

sata_sil is about to get a brand new interrupt handler.  Add relevant
constants.

Signed-off-by: Tejun Heo <htejun@gmail.com>

diff --git a/drivers/scsi/sata_sil.c b/drivers/scsi/sata_sil.c
index 3bd807738698fe132fbb834cdfa8ff04d5800b2f..f926883fd16c4e78147ea5b9009a842e72ed99a3 100644 (file)
--- a/drivers/scsi/sata_sil.c
+++ b/drivers/scsi/sata_sil.c
@@ -54,6 +54,7 @@ enum {
         */
        SIL_FLAG_RERR_ON_DMA_ACT = (1 << 29),
        SIL_FLAG_MOD15WRITE     = (1 << 30),
+
        SIL_DFL_HOST_FLAGS      = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
                                  ATA_FLAG_MMIO,
 
@@ -84,6 +85,20 @@ enum {
        /* BMDMA/BMDMA2 */
        SIL_INTR_STEERING       = (1 << 1),
 
+       SIL_DMA_ENABLE          = (1 << 0),  /* DMA run switch */
+       SIL_DMA_RDWR            = (1 << 3),  /* DMA Rd-Wr */
+       SIL_DMA_SATA_IRQ        = (1 << 4),  /* OR of all SATA IRQs */
+       SIL_DMA_ACTIVE          = (1 << 16), /* DMA running */
+       SIL_DMA_ERROR           = (1 << 17), /* PCI bus error */
+       SIL_DMA_COMPLETE        = (1 << 18), /* cmd complete / IRQ pending */
+       SIL_DMA_N_SATA_IRQ      = (1 << 6),  /* SATA_IRQ for the next channel */
+       SIL_DMA_N_ACTIVE        = (1 << 24), /* ACTIVE for the next channel */
+       SIL_DMA_N_ERROR         = (1 << 25), /* ERROR for the next channel */
+       SIL_DMA_N_COMPLETE      = (1 << 26), /* COMPLETE for the next channel */
+
+       /* SIEN */
+       SIL_SIEN_N              = (1 << 16), /* triggered by SError.N */
+
        /*
         * Others
         */
@@ -226,6 +241,7 @@ static const struct {
        unsigned long tf;       /* ATA taskfile register block */
        unsigned long ctl;      /* ATA control/altstatus register block */
        unsigned long bmdma;    /* DMA register block */
+       unsigned long bmdma2;   /* DMA register block #2 */
        unsigned long fifo_cfg; /* FIFO Valid Byte Count and Control */
        unsigned long scr;      /* SATA control register block */
        unsigned long sien;     /* SATA Interrupt Enable register */
@@ -233,10 +249,10 @@ static const struct {
        unsigned long sfis_cfg; /* SATA FIS reception config register */
 } sil_port[] = {
        /* port 0 ... */
-       { 0x80, 0x8A, 0x00, 0x40, 0x100, 0x148, 0xb4, 0x14c },
-       { 0xC0, 0xCA, 0x08, 0x44, 0x180, 0x1c8, 0xf4, 0x1cc },
-       { 0x280, 0x28A, 0x200, 0x240, 0x300, 0x348, 0x2b4, 0x34c },
-       { 0x2C0, 0x2CA, 0x208, 0x244, 0x380, 0x3c8, 0x2f4, 0x3cc },
+       { 0x80, 0x8A, 0x00, 0x10, 0x40, 0x100, 0x148, 0xb4, 0x14c },
+       { 0xC0, 0xCA, 0x08, 0x18, 0x44, 0x180, 0x1c8, 0xf4, 0x1cc },
+       { 0x280, 0x28A, 0x200, 0x210, 0x240, 0x300, 0x348, 0x2b4, 0x34c },
+       { 0x2C0, 0x2CA, 0x208, 0x218, 0x244, 0x380, 0x3c8, 0x2f4, 0x3cc },
        /* ... port 3 */
 };