iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

sata_inic162x: add / update constants

Browse Source 
* add a bunch of constants, most are from the datasheet, a few
  undocumented ones are from initio's modified driver

* HCTL_PWRDWN is bit 12 not 13

This is in preparation of further inic162x updates.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Tejun Heo 2008-04-30 16:35:09 +09:00 committed by Jeff Garzik
parent 36f674d9a6
commit b0dd9b8ef9
1 changed files with 56 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

59
drivers/ata/sata_inic162x.c
View File

@ -35,6 +35,7 @@ enum {
NR_PORTS = 2, NR_PORTS = 2,
HOST_ACTRL = 0x08,
HOST_CTL = 0x7c, HOST_CTL = 0x7c,
HOST_STAT = 0x7e, HOST_STAT = 0x7e,
HOST_IRQ_STAT = 0xbc, HOST_IRQ_STAT = 0xbc,
@ -43,22 +44,37 @@ enum {
PORT_SIZE = 0x40, PORT_SIZE = 0x40,
/* registers for ATA TF operation */ /* registers for ATA TF operation */
PORT_TF = 0x00, PORT_TF_DATA = 0x00,
PORT_ALT_STAT = 0x08, PORT_TF_FEATURE = 0x01,
PORT_TF_NSECT = 0x02,
PORT_TF_LBAL = 0x03,
PORT_TF_LBAM = 0x04,
PORT_TF_LBAH = 0x05,
PORT_TF_DEVICE = 0x06,
PORT_TF_COMMAND = 0x07,
PORT_TF_ALT_STAT = 0x08,
PORT_IRQ_STAT = 0x09, PORT_IRQ_STAT = 0x09,
PORT_IRQ_MASK = 0x0a, PORT_IRQ_MASK = 0x0a,
PORT_PRD_CTL = 0x0b, PORT_PRD_CTL = 0x0b,
PORT_PRD_ADDR = 0x0c, PORT_PRD_ADDR = 0x0c,
PORT_PRD_XFERLEN = 0x10, PORT_PRD_XFERLEN = 0x10,
PORT_CPB_CPBLAR = 0x18,
PORT_CPB_PTQFIFO = 0x1c,
/* IDMA register */ /* IDMA register */
PORT_IDMA_CTL = 0x14, PORT_IDMA_CTL = 0x14,
PORT_IDMA_STAT = 0x16,
PORT_RPQ_FIFO = 0x1e,
PORT_RPQ_CNT = 0x1f,
PORT_SCR = 0x20, PORT_SCR = 0x20,
/* HOST_CTL bits */ /* HOST_CTL bits */
HCTL_IRQOFF = (1 << 8), /* global IRQ off */ HCTL_IRQOFF = (1 << 8), /* global IRQ off */
HCTL_PWRDWN = (1 << 13), /* power down PHYs */ HCTL_FTHD0 = (1 << 10), /* fifo threshold 0 */
HCTL_FTHD1 = (1 << 11), /* fifo threshold 1*/
HCTL_PWRDWN = (1 << 12), /* power down PHYs */
HCTL_SOFTRST = (1 << 13), /* global reset (no phy reset) */ HCTL_SOFTRST = (1 << 13), /* global reset (no phy reset) */
HCTL_RPGSEL = (1 << 15), /* register page select */ HCTL_RPGSEL = (1 << 15), /* register page select */
@ -96,6 +112,43 @@ enum {
IDMA_CTL_RST_IDMA = (1 << 5), /* reset IDMA machinary */ IDMA_CTL_RST_IDMA = (1 << 5), /* reset IDMA machinary */
IDMA_CTL_GO = (1 << 7), /* IDMA mode go */ IDMA_CTL_GO = (1 << 7), /* IDMA mode go */
IDMA_CTL_ATA_NIEN = (1 << 8), /* ATA IRQ disable */ IDMA_CTL_ATA_NIEN = (1 << 8), /* ATA IRQ disable */
/* PORT_IDMA_STAT bits */
IDMA_STAT_PERR = (1 << 0), /* PCI ERROR MODE */
IDMA_STAT_CPBERR = (1 << 1), /* ADMA CPB error */
IDMA_STAT_LGCY = (1 << 3), /* ADMA legacy */
IDMA_STAT_UIRQ = (1 << 4), /* ADMA unsolicited irq */
IDMA_STAT_STPD = (1 << 5), /* ADMA stopped */
IDMA_STAT_PSD = (1 << 6), /* ADMA pause */
IDMA_STAT_DONE = (1 << 7), /* ADMA done */
IDMA_STAT_ERR = IDMA_STAT_PERR | IDMA_STAT_CPBERR,
/* CPB Control Flags*/
CPB_CTL_VALID = (1 << 0), /* CPB valid */
CPB_CTL_QUEUED = (1 << 1), /* queued command */
CPB_CTL_DATA = (1 << 2), /* data, rsvd in datasheet */
CPB_CTL_IEN = (1 << 3), /* PCI interrupt enable */
CPB_CTL_DEVDIR = (1 << 4), /* device direction control */
/* CPB Response Flags */
CPB_RESP_DONE = (1 << 0), /* ATA command complete */
CPB_RESP_REL = (1 << 1), /* ATA release */
CPB_RESP_IGNORED = (1 << 2), /* CPB ignored */
CPB_RESP_ATA_ERR = (1 << 3), /* ATA command error */
CPB_RESP_SPURIOUS = (1 << 4), /* ATA spurious interrupt error */
CPB_RESP_UNDERFLOW = (1 << 5), /* APRD deficiency length error */
CPB_RESP_OVERFLOW = (1 << 6), /* APRD exccess length error */
CPB_RESP_CPB_ERR = (1 << 7), /* CPB error flag */
/* PRD Control Flags */
PRD_DRAIN = (1 << 1), /* ignore data excess */
PRD_CDB = (1 << 2), /* atapi packet command pointer */
PRD_DIRECT_INTR = (1 << 3), /* direct interrupt */
PRD_DMA = (1 << 4), /* data transfer method */
PRD_WRITE = (1 << 5), /* data dir, rsvd in datasheet */
PRD_IOM = (1 << 6), /* io/memory transfer */
PRD_END = (1 << 7), /* APRD chain end */
}; };
struct inic_host_priv { struct inic_host_priv {