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Diffstat (limited to 'drivers/scsi/53c700.h')
-rw-r--r--drivers/scsi/53c700.h192
1 files changed, 20 insertions, 172 deletions
diff --git a/drivers/scsi/53c700.h b/drivers/scsi/53c700.h
index df4aa30ae0a..e86012cf6ab 100644
--- a/drivers/scsi/53c700.h
+++ b/drivers/scsi/53c700.h
@@ -14,10 +14,6 @@
#include <scsi/scsi_device.h>
-#if defined(CONFIG_53C700_MEM_MAPPED) && defined(CONFIG_53C700_IO_MAPPED)
-#define CONFIG_53C700_BOTH_MAPPED
-#endif
-
/* Turn on for general debugging---too verbose for normal use */
#undef NCR_700_DEBUG
/* Debug the tag queues, checking hash queue allocation and deallocation
@@ -49,13 +45,6 @@
/* magic byte identifying an internally generated REQUEST_SENSE command */
#define NCR_700_INTERNAL_SENSE_MAGIC 0x42
-/* WARNING: Leave this in for now: the dependency preprocessor doesn't
- * pick up file specific flags, so must define here if they are not
- * set */
-#if !defined(CONFIG_53C700_IO_MAPPED) && !defined(CONFIG_53C700_MEM_MAPPED)
-#error "Config.in must define either CONFIG_53C700_IO_MAPPED or CONFIG_53C700_MEM_MAPPED to use this scsi core."
-#endif
-
struct NCR_700_Host_Parameters;
/* These are the externally used routines */
@@ -184,7 +173,7 @@ struct NCR_700_command_slot {
struct NCR_700_Host_Parameters {
/* These must be filled in by the calling driver */
int clock; /* board clock speed in MHz */
- unsigned long base; /* the base for the port (copied to host) */
+ void __iomem *base; /* the base for the port (copied to host) */
struct device *dev;
__u32 dmode_extra; /* adjustable bus settings */
__u32 differential:1; /* if we are differential */
@@ -199,9 +188,6 @@ struct NCR_700_Host_Parameters {
/* NOTHING BELOW HERE NEEDS ALTERING */
__u32 fast:1; /* if we can alter the SCSI bus clock
speed (so can negiotiate sync) */
-#ifdef CONFIG_53C700_BOTH_MAPPED
- __u32 mem_mapped; /* set if memory mapped */
-#endif
int sync_clock; /* The speed of the SYNC core */
__u32 *script; /* pointer to script location */
@@ -246,12 +232,18 @@ struct NCR_700_Host_Parameters {
#ifdef CONFIG_53C700_LE_ON_BE
#define bE (hostdata->force_le_on_be ? 0 : 3)
#define bSWAP (hostdata->force_le_on_be)
+/* This is terrible, but there's no raw version of ioread32. That means
+ * that on a be board we swap twice (once in ioread32 and once again to
+ * get the value correct) */
+#define bS_to_io(x) ((hostdata->force_le_on_be) ? (x) : cpu_to_le32(x))
#elif defined(__BIG_ENDIAN)
#define bE 3
#define bSWAP 0
+#define bS_to_io(x) (x)
#elif defined(__LITTLE_ENDIAN)
#define bE 0
#define bSWAP 0
+#define bS_to_io(x) (x)
#else
#error "__BIG_ENDIAN or __LITTLE_ENDIAN must be defined, did you include byteorder.h?"
#endif
@@ -455,91 +447,42 @@ struct NCR_700_Host_Parameters {
static inline __u8
-NCR_700_mem_readb(struct Scsi_Host *host, __u32 reg)
-{
- const struct NCR_700_Host_Parameters *hostdata __attribute__((unused))
- = (struct NCR_700_Host_Parameters *)host->hostdata[0];
-
- return readb(host->base + (reg^bE));
-}
-
-static inline __u32
-NCR_700_mem_readl(struct Scsi_Host *host, __u32 reg)
-{
- __u32 value = __raw_readl(host->base + reg);
- const struct NCR_700_Host_Parameters *hostdata __attribute__((unused))
- = (struct NCR_700_Host_Parameters *)host->hostdata[0];
-#if 1
- /* sanity check the register */
- if((reg & 0x3) != 0)
- BUG();
-#endif
-
- return bS_to_cpu(value);
-}
-
-static inline void
-NCR_700_mem_writeb(__u8 value, struct Scsi_Host *host, __u32 reg)
-{
- const struct NCR_700_Host_Parameters *hostdata __attribute__((unused))
- = (struct NCR_700_Host_Parameters *)host->hostdata[0];
-
- writeb(value, host->base + (reg^bE));
-}
-
-static inline void
-NCR_700_mem_writel(__u32 value, struct Scsi_Host *host, __u32 reg)
-{
- const struct NCR_700_Host_Parameters *hostdata __attribute__((unused))
- = (struct NCR_700_Host_Parameters *)host->hostdata[0];
-
-#if 1
- /* sanity check the register */
- if((reg & 0x3) != 0)
- BUG();
-#endif
-
- __raw_writel(bS_to_host(value), host->base + reg);
-}
-
-static inline __u8
-NCR_700_io_readb(struct Scsi_Host *host, __u32 reg)
+NCR_700_readb(struct Scsi_Host *host, __u32 reg)
{
- const struct NCR_700_Host_Parameters *hostdata __attribute__((unused))
+ const struct NCR_700_Host_Parameters *hostdata
= (struct NCR_700_Host_Parameters *)host->hostdata[0];
- return inb(host->base + (reg^bE));
+ return ioread8(hostdata->base + (reg^bE));
}
static inline __u32
-NCR_700_io_readl(struct Scsi_Host *host, __u32 reg)
+NCR_700_readl(struct Scsi_Host *host, __u32 reg)
{
- __u32 value = inl(host->base + reg);
- const struct NCR_700_Host_Parameters *hostdata __attribute__((unused))
+ const struct NCR_700_Host_Parameters *hostdata
= (struct NCR_700_Host_Parameters *)host->hostdata[0];
-
+ __u32 value = ioread32(hostdata->base + reg);
#if 1
/* sanity check the register */
if((reg & 0x3) != 0)
BUG();
#endif
- return bS_to_cpu(value);
+ return bS_to_io(value);
}
static inline void
-NCR_700_io_writeb(__u8 value, struct Scsi_Host *host, __u32 reg)
+NCR_700_writeb(__u8 value, struct Scsi_Host *host, __u32 reg)
{
- const struct NCR_700_Host_Parameters *hostdata __attribute__((unused))
+ const struct NCR_700_Host_Parameters *hostdata
= (struct NCR_700_Host_Parameters *)host->hostdata[0];
- outb(value, host->base + (reg^bE));
+ iowrite8(value, hostdata->base + (reg^bE));
}
static inline void
-NCR_700_io_writel(__u32 value, struct Scsi_Host *host, __u32 reg)
+NCR_700_writel(__u32 value, struct Scsi_Host *host, __u32 reg)
{
- const struct NCR_700_Host_Parameters *hostdata __attribute__((unused))
+ const struct NCR_700_Host_Parameters *hostdata
= (struct NCR_700_Host_Parameters *)host->hostdata[0];
#if 1
@@ -548,102 +491,7 @@ NCR_700_io_writel(__u32 value, struct Scsi_Host *host, __u32 reg)
BUG();
#endif
- outl(bS_to_host(value), host->base + reg);
-}
-
-#ifdef CONFIG_53C700_BOTH_MAPPED
-
-static inline __u8
-NCR_700_readb(struct Scsi_Host *host, __u32 reg)
-{
- __u8 val;
-
- const struct NCR_700_Host_Parameters *hostdata __attribute__((unused))
- = (struct NCR_700_Host_Parameters *)host->hostdata[0];
-
- if(hostdata->mem_mapped)
- val = NCR_700_mem_readb(host, reg);
- else
- val = NCR_700_io_readb(host, reg);
-
- return val;
-}
-
-static inline __u32
-NCR_700_readl(struct Scsi_Host *host, __u32 reg)
-{
- __u32 val;
-
- const struct NCR_700_Host_Parameters *hostdata __attribute__((unused))
- = (struct NCR_700_Host_Parameters *)host->hostdata[0];
-
- if(hostdata->mem_mapped)
- val = NCR_700_mem_readl(host, reg);
- else
- val = NCR_700_io_readl(host, reg);
-
- return val;
-}
-
-static inline void
-NCR_700_writeb(__u8 value, struct Scsi_Host *host, __u32 reg)
-{
- const struct NCR_700_Host_Parameters *hostdata __attribute__((unused))
- = (struct NCR_700_Host_Parameters *)host->hostdata[0];
-
- if(hostdata->mem_mapped)
- NCR_700_mem_writeb(value, host, reg);
- else
- NCR_700_io_writeb(value, host, reg);
-}
-
-static inline void
-NCR_700_writel(__u32 value, struct Scsi_Host *host, __u32 reg)
-{
- const struct NCR_700_Host_Parameters *hostdata __attribute__((unused))
- = (struct NCR_700_Host_Parameters *)host->hostdata[0];
-
- if(hostdata->mem_mapped)
- NCR_700_mem_writel(value, host, reg);
- else
- NCR_700_io_writel(value, host, reg);
-}
-
-static inline void
-NCR_700_set_mem_mapped(struct NCR_700_Host_Parameters *hostdata)
-{
- hostdata->mem_mapped = 1;
-}
-
-static inline void
-NCR_700_set_io_mapped(struct NCR_700_Host_Parameters *hostdata)
-{
- hostdata->mem_mapped = 0;
+ iowrite32(bS_to_io(value), hostdata->base + reg);
}
-
-#elif defined(CONFIG_53C700_IO_MAPPED)
-
-#define NCR_700_readb NCR_700_io_readb
-#define NCR_700_readl NCR_700_io_readl
-#define NCR_700_writeb NCR_700_io_writeb
-#define NCR_700_writel NCR_700_io_writel
-
-#define NCR_700_set_io_mapped(x)
-#define NCR_700_set_mem_mapped(x) error I/O mapped only
-
-#elif defined(CONFIG_53C700_MEM_MAPPED)
-
-#define NCR_700_readb NCR_700_mem_readb
-#define NCR_700_readl NCR_700_mem_readl
-#define NCR_700_writeb NCR_700_mem_writeb
-#define NCR_700_writel NCR_700_mem_writel
-
-#define NCR_700_set_io_mapped(x) error MEM mapped only
-#define NCR_700_set_mem_mapped(x)
-
-#else
-#error neither CONFIG_53C700_MEM_MAPPED nor CONFIG_53C700_IO_MAPPED is set
-#endif
-
#endif