diff options
Diffstat (limited to 'drivers/scsi/aic7xxx/aic7xxx_osm.c')
-rw-r--r-- | drivers/scsi/aic7xxx/aic7xxx_osm.c | 95 |
1 files changed, 81 insertions, 14 deletions
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c index 42ad48e09f0..fd2b9785ff4 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm.c +++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c @@ -388,14 +388,83 @@ static int aic7xxx_setup(char *s); static int ahc_linux_unit; +/************************** OS Utility Wrappers *******************************/ +void +ahc_delay(long usec) +{ + /* + * udelay on Linux can have problems for + * multi-millisecond waits. Wait at most + * 1024us per call. + */ + while (usec > 0) { + udelay(usec % 1024); + usec -= 1024; + } +} + +/***************************** Low Level I/O **********************************/ +uint8_t +ahc_inb(struct ahc_softc * ahc, long port) +{ + uint8_t x; + + if (ahc->tag == BUS_SPACE_MEMIO) { + x = readb(ahc->bsh.maddr + port); + } else { + x = inb(ahc->bsh.ioport + port); + } + mb(); + return (x); +} + +void +ahc_outb(struct ahc_softc * ahc, long port, uint8_t val) +{ + if (ahc->tag == BUS_SPACE_MEMIO) { + writeb(val, ahc->bsh.maddr + port); + } else { + outb(val, ahc->bsh.ioport + port); + } + mb(); +} + +void +ahc_outsb(struct ahc_softc * ahc, long port, uint8_t *array, int count) +{ + int i; + + /* + * There is probably a more efficient way to do this on Linux + * but we don't use this for anything speed critical and this + * should work. + */ + for (i = 0; i < count; i++) + ahc_outb(ahc, port, *array++); +} + +void +ahc_insb(struct ahc_softc * ahc, long port, uint8_t *array, int count) +{ + int i; + + /* + * There is probably a more efficient way to do this on Linux + * but we don't use this for anything speed critical and this + * should work. + */ + for (i = 0; i < count; i++) + *array++ = ahc_inb(ahc, port); +} + /********************************* Inlines ************************************/ -static __inline void ahc_linux_unmap_scb(struct ahc_softc*, struct scb*); +static void ahc_linux_unmap_scb(struct ahc_softc*, struct scb*); -static __inline int ahc_linux_map_seg(struct ahc_softc *ahc, struct scb *scb, +static int ahc_linux_map_seg(struct ahc_softc *ahc, struct scb *scb, struct ahc_dma_seg *sg, dma_addr_t addr, bus_size_t len); -static __inline void +static void ahc_linux_unmap_scb(struct ahc_softc *ahc, struct scb *scb) { struct scsi_cmnd *cmd; @@ -406,7 +475,7 @@ ahc_linux_unmap_scb(struct ahc_softc *ahc, struct scb *scb) scsi_dma_unmap(cmd); } -static __inline int +static int ahc_linux_map_seg(struct ahc_softc *ahc, struct scb *scb, struct ahc_dma_seg *sg, dma_addr_t addr, bus_size_t len) { @@ -442,13 +511,11 @@ ahc_linux_info(struct Scsi_Host *host) bp = &buffer[0]; ahc = *(struct ahc_softc **)host->hostdata; memset(bp, 0, sizeof(buffer)); - strcpy(bp, "Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev "); - strcat(bp, AIC7XXX_DRIVER_VERSION); - strcat(bp, "\n"); - strcat(bp, " <"); + strcpy(bp, "Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev " AIC7XXX_DRIVER_VERSION "\n" + " <"); strcat(bp, ahc->description); - strcat(bp, ">\n"); - strcat(bp, " "); + strcat(bp, ">\n" + " "); ahc_controller_info(ahc, ahc_info); strcat(bp, ahc_info); strcat(bp, "\n"); @@ -964,7 +1031,7 @@ aic7xxx_setup(char *s) char *p; char *end; - static struct { + static const struct { const char *name; uint32_t *flag; } options[] = { @@ -2317,7 +2384,7 @@ static void ahc_linux_set_period(struct scsi_target *starget, int period) unsigned int ppr_options = tinfo->goal.ppr_options; unsigned long flags; unsigned long offset = tinfo->goal.offset; - struct ahc_syncrate *syncrate; + const struct ahc_syncrate *syncrate; if (offset == 0) offset = MAX_OFFSET; @@ -2361,7 +2428,7 @@ static void ahc_linux_set_offset(struct scsi_target *starget, int offset) unsigned int ppr_options = 0; unsigned int period = 0; unsigned long flags; - struct ahc_syncrate *syncrate = NULL; + const struct ahc_syncrate *syncrate = NULL; ahc_compile_devinfo(&devinfo, shost->this_id, starget->id, 0, starget->channel + 'A', ROLE_INITIATOR); @@ -2391,7 +2458,7 @@ static void ahc_linux_set_dt(struct scsi_target *starget, int dt) unsigned int period = tinfo->goal.period; unsigned int width = tinfo->goal.width; unsigned long flags; - struct ahc_syncrate *syncrate; + const struct ahc_syncrate *syncrate; if (dt && spi_max_width(starget)) { ppr_options |= MSG_EXT_PPR_DT_REQ; |