#define _53C700_H
#include <linux/interrupt.h>
-
#include <asm/io.h>
-#if defined(CONFIG_53C700_MEM_MAPPED) && defined(CONFIG_53C700_IO_MAPPED)
-#define CONFIG_53C700_BOTH_MAPPED
-#endif
+#include <scsi/scsi_device.h>
+
/* Turn on for general debugging---too verbose for normal use */
#undef NCR_700_DEBUG
#ifdef NCR_700_DEBUG
#define DEBUG(x) printk x
+#define DDEBUG(prefix, sdev, fmt, a...) \
+ sdev_printk(prefix, sdev, fmt, ##a)
+#define CDEBUG(prefix, scmd, fmt, a...) \
+ scmd_printk(prefix, scmd, fmt, ##a)
#else
-#define DEBUG(x)
+#define DEBUG(x) do {} while (0)
+#define DDEBUG(prefix, scmd, fmt, a...) do {} while (0)
+#define CDEBUG(prefix, scmd, fmt, a...) do {} while (0)
#endif
/* The number of available command slots */
/* 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 */
-struct Scsi_Host *NCR_700_detect(Scsi_Host_Template *, struct NCR_700_Host_Parameters *);
+struct Scsi_Host *NCR_700_detect(struct scsi_host_template *,
+ struct NCR_700_Host_Parameters *, struct device *);
int NCR_700_release(struct Scsi_Host *host);
irqreturn_t NCR_700_intr(int, void *, struct pt_regs *);
* 18 device supports tag queueing */
#define NCR_700_DEV_NEGOTIATED_SYNC (1<<16)
#define NCR_700_DEV_BEGIN_SYNC_NEGOTIATION (1<<17)
-#define NCR_700_DEV_BEGIN_TAG_QUEUEING (1<<18)
#define NCR_700_DEV_PRINT_SYNC_NEGOTIATION (1<<19)
static inline void
-NCR_700_set_depth(Scsi_Device *SDp, __u8 depth)
+NCR_700_set_depth(struct scsi_device *SDp, __u8 depth)
{
long l = (long)SDp->hostdata;
SDp->hostdata = (void *)l;
}
static inline __u8
-NCR_700_get_depth(Scsi_Device *SDp)
+NCR_700_get_depth(struct scsi_device *SDp)
{
return ((((unsigned long)SDp->hostdata) & 0xff00)>>8);
}
static inline int
-NCR_700_is_flag_set(Scsi_Device *SDp, __u32 flag)
+NCR_700_is_flag_set(struct scsi_device *SDp, __u32 flag)
{
- return (((unsigned long)SDp->hostdata) & flag) == flag;
+ return (spi_flags(SDp->sdev_target) & flag) == flag;
}
static inline int
-NCR_700_is_flag_clear(Scsi_Device *SDp, __u32 flag)
+NCR_700_is_flag_clear(struct scsi_device *SDp, __u32 flag)
+{
+ return (spi_flags(SDp->sdev_target) & flag) == 0;
+}
+static inline void
+NCR_700_set_flag(struct scsi_device *SDp, __u32 flag)
{
- return (((unsigned long)SDp->hostdata) & flag) == 0;
+ spi_flags(SDp->sdev_target) |= flag;
}
static inline void
-NCR_700_set_flag(Scsi_Device *SDp, __u32 flag)
+NCR_700_clear_flag(struct scsi_device *SDp, __u32 flag)
{
- SDp->hostdata = (void *)((long)SDp->hostdata | (flag & 0xffff0000));
+ spi_flags(SDp->sdev_target) &= ~flag;
}
+
+enum NCR_700_tag_neg_state {
+ NCR_700_START_TAG_NEGOTIATION = 0,
+ NCR_700_DURING_TAG_NEGOTIATION = 1,
+ NCR_700_FINISHED_TAG_NEGOTIATION = 2,
+};
+
+static inline enum NCR_700_tag_neg_state
+NCR_700_get_tag_neg_state(struct scsi_device *SDp)
+{
+ return (enum NCR_700_tag_neg_state)((spi_flags(SDp->sdev_target)>>20) & 0x3);
+}
+
static inline void
-NCR_700_clear_flag(Scsi_Device *SDp, __u32 flag)
+NCR_700_set_tag_neg_state(struct scsi_device *SDp,
+ enum NCR_700_tag_neg_state state)
{
- SDp->hostdata = (void *)((long)SDp->hostdata & ~(flag & 0xffff0000));
+ /* clear the slot */
+ spi_flags(SDp->sdev_target) &= ~(0x3 << 20);
+ spi_flags(SDp->sdev_target) |= ((__u32)state) << 20;
}
struct NCR_700_command_slot {
__u8 state;
int tag;
__u32 resume_offset;
- Scsi_Cmnd *cmnd;
+ struct scsi_cmnd *cmnd;
/* The pci_mapped address of the actual command in cmnd */
dma_addr_t pCmd;
__u32 temp;
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 */
/* 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 */
__u32 pScript; /* physical mem addr of script */
enum NCR_700_Host_State state; /* protected by state lock */
- Scsi_Cmnd *cmd;
+ struct scsi_cmnd *cmd;
/* Note: pScript contains the single consistent block of
* memory. All the msgin, msgout and status are allocated in
* this memory too (at separate cache lines). TOTAL_MEM_SIZE
#ifdef CONFIG_53C700_LE_ON_BE
#define bE (hostdata->force_le_on_be ? 0 : 3)
#define bSWAP (hostdata->force_le_on_be)
+#define bEBus (!hostdata->force_le_on_be)
#elif defined(__BIG_ENDIAN)
#define bE 3
#define bSWAP 0
#else
#error "__BIG_ENDIAN or __LITTLE_ENDIAN must be defined, did you include byteorder.h?"
#endif
+#ifndef bEBus
+#ifdef CONFIG_53C700_BE_BUS
+#define bEBus 1
+#else
+#define bEBus 0
+#endif
+#endif
#define bS_to_cpu(x) (bSWAP ? le32_to_cpu(x) : (x))
#define bS_to_host(x) (bSWAP ? cpu_to_le32(x) : (x))
static inline __u8
-NCR_700_mem_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 readb(host->base + (reg^bE));
+ return ioread8(hostdata->base + (reg^bE));
}
static inline __u32
-NCR_700_mem_readl(struct Scsi_Host *host, __u32 reg)
+NCR_700_readl(struct Scsi_Host *host, __u32 reg)
{
- __u32 value = __raw_readl(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 = bEBus ? ioread32be(hostdata->base + reg) :
+ ioread32(hostdata->base + reg);
#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));
+ return value;
}
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)
-{
- const struct NCR_700_Host_Parameters *hostdata __attribute__((unused))
- = (struct NCR_700_Host_Parameters *)host->hostdata[0];
-
- return inb(host->base + (reg^bE));
-}
-
-static inline __u32
-NCR_700_io_readl(struct Scsi_Host *host, __u32 reg)
-{
- __u32 value = inl(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_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
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);
+ bEBus ? iowrite32be(value, hostdata->base + reg):
+ iowrite32(value, hostdata->base + 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;
-}
-
-
-#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
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