X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=include%2Flinux%2Fata.h;h=18e401ff7eafb6ed6fee60693e65b1c35b3254a8;hb=9dc6aa5fcfc104becd86c89c5e7ec90e840e0163;hp=3671af869696d9dec5f21535d02af8d33ed078dd;hpb=ea6e1e94f2cb9ae54bd1428e1ef3e84a749ceed8;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/ata.h b/include/linux/ata.h
index 3671af86969..18e401ff7ea 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -40,11 +40,13 @@ enum {
 	ATA_MAX_DEVICES		= 2,	/* per bus/port */
 	ATA_MAX_PRD		= 256,	/* we could make these 256/256 */
 	ATA_SECT_SIZE		= 512,
+	ATA_MAX_SECTORS		= 256,
+	ATA_MAX_SECTORS_LBA48	= 65535,/* TODO: 65536? */
 
 	ATA_ID_WORDS		= 256,
-	ATA_ID_SERNO_OFS	= 10,
-	ATA_ID_FW_REV_OFS	= 23,
-	ATA_ID_PROD_OFS		= 27,
+	ATA_ID_SERNO		= 10,
+	ATA_ID_FW_REV		= 23,
+	ATA_ID_PROD		= 27,
 	ATA_ID_OLD_PIO_MODES	= 51,
 	ATA_ID_FIELD_VALID	= 53,
 	ATA_ID_MWDMA_MODES	= 63,
@@ -56,8 +58,11 @@ enum {
 	ATA_ID_MAJOR_VER	= 80,
 	ATA_ID_PIO4		= (1 << 1),
 
+	ATA_ID_SERNO_LEN	= 20,
+	ATA_ID_FW_REV_LEN	= 8,
+	ATA_ID_PROD_LEN		= 40,
+
 	ATA_PCI_CTL_OFS		= 2,
-	ATA_SERNO_LEN		= 20,
 	ATA_UDMA0		= (1 << 0),
 	ATA_UDMA1		= ATA_UDMA0 | (1 << 1),
 	ATA_UDMA2		= ATA_UDMA1 | (1 << 2),
@@ -168,12 +173,16 @@ enum {
 	XFER_UDMA_2		= 0x42,
 	XFER_UDMA_1		= 0x41,
 	XFER_UDMA_0		= 0x40,
+	XFER_MW_DMA_4		= 0x24,	/* CFA only */
+	XFER_MW_DMA_3		= 0x23,	/* CFA only */
 	XFER_MW_DMA_2		= 0x22,
 	XFER_MW_DMA_1		= 0x21,
 	XFER_MW_DMA_0		= 0x20,
 	XFER_SW_DMA_2		= 0x12,
 	XFER_SW_DMA_1		= 0x11,
 	XFER_SW_DMA_0		= 0x10,
+	XFER_PIO_6		= 0x0E,	/* CFA only */
+	XFER_PIO_5		= 0x0D,	/* CFA only */
 	XFER_PIO_4		= 0x0C,
 	XFER_PIO_3		= 0x0B,
 	XFER_PIO_2		= 0x0A,
@@ -194,8 +203,9 @@ enum {
 	ATA_CBL_NONE		= 0,
 	ATA_CBL_PATA40		= 1,
 	ATA_CBL_PATA80		= 2,
-	ATA_CBL_PATA_UNK	= 3,
-	ATA_CBL_SATA		= 4,
+	ATA_CBL_PATA40_SHORT	= 3,		/* 40 wire cable to high UDMA spec */
+	ATA_CBL_PATA_UNK	= 4,
+	ATA_CBL_SATA		= 5,
 
 	/* SATA Status and Control Registers */
 	SCR_STATUS		= 0,
@@ -272,7 +282,6 @@ struct ata_taskfile {
 };
 
 #define ata_id_is_ata(id)	(((id)[0] & (1 << 15)) == 0)
-#define ata_id_is_cfa(id)	((id)[0] == 0x848A)
 #define ata_id_is_sata(id)	((id)[93] == 0)
 #define ata_id_rahead_enabled(id) ((id)[85] & (1 << 6))
 #define ata_id_wcache_enabled(id) ((id)[85] & (1 << 5))
@@ -290,6 +299,8 @@ struct ata_taskfile {
 #define ata_id_queue_depth(id)	(((id)[75] & 0x1f) + 1)
 #define ata_id_removeable(id)	((id)[0] & (1 << 7))
 #define ata_id_has_dword_io(id)	((id)[50] & (1 << 0))
+#define ata_id_iordy_disable(id) ((id)[49] & (1 << 10))
+#define ata_id_has_iordy(id) ((id)[49] & (1 << 9))
 #define ata_id_u32(id,n)	\
 	(((u32) (id)[(n) + 1] << 16) | ((u32) (id)[(n)]))
 #define ata_id_u64(id,n)	\
@@ -304,6 +315,9 @@ static inline unsigned int ata_id_major_version(const u16 *id)
 {
 	unsigned int mver;
 
+	if (id[ATA_ID_MAJOR_VER] == 0xFFFF)
+		return 0;
+
 	for (mver = 14; mver >= 1; mver--)
 		if (id[ATA_ID_MAJOR_VER] & (1 << mver))
 			break;
@@ -312,8 +326,8 @@ static inline unsigned int ata_id_major_version(const u16 *id)
 
 static inline int ata_id_current_chs_valid(const u16 *id)
 {
-	/* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command 
-	   has not been issued to the device then the values of 
+	/* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command
+	   has not been issued to the device then the values of
 	   id[54] to id[56] are vendor specific. */
 	return (id[53] & 0x01) && /* Current translation valid */
 		id[54] &&  /* cylinders in current translation */
@@ -322,6 +336,27 @@ static inline int ata_id_current_chs_valid(const u16 *id)
 		id[56];    /* sectors in current translation */
 }
 
+static inline int ata_id_is_cfa(const u16 *id)
+{
+	u16 v = id[0];
+	if (v == 0x848A)	/* Standard CF */
+		return 1;
+	/* Could be CF hiding as standard ATA */
+	if (ata_id_major_version(id) >= 3 &&  id[82] != 0xFFFF &&
+			(id[82] & ( 1 << 2)))
+		return 1;
+	return 0;
+}
+
+static inline int ata_drive_40wire(const u16 *dev_id)
+{
+	if (ata_id_major_version(dev_id) >= 5 && ata_id_is_sata(dev_id))
+		return 0;	/* SATA */
+	if (dev_id[93] & 0x4000)
+		return 0;	/* 80 wire */
+	return 1;
+}
+
 static inline int atapi_cdb_len(const u16 *dev_id)
 {
 	u16 tmp = dev_id[0] & 0x3;