diff options
Diffstat (limited to 'drivers/scsi/pas16.c')
| -rw-r--r-- | drivers/scsi/pas16.c | 106 |
1 files changed, 32 insertions, 74 deletions
diff --git a/drivers/scsi/pas16.c b/drivers/scsi/pas16.c index 80bacb5dc1d4..e81eadd08afc 100644 --- a/drivers/scsi/pas16.c +++ b/drivers/scsi/pas16.c @@ -1,6 +1,4 @@ -#define AUTOSENSE #define PSEUDO_DMA -#define FOO #define UNSAFE /* Not unsafe for PAS16 -- use it */ #define PDEBUG 0 @@ -24,47 +22,9 @@ * Media Vision * (510) 770-8600 * (800) 348-7116 - * - * and - * - * NCR 5380 Family - * SCSI Protocol Controller - * Databook - * - * NCR Microelectronics - * 1635 Aeroplaza Drive - * Colorado Springs, CO 80916 - * 1+ (719) 578-3400 - * 1+ (800) 334-5454 */ /* - * Options : - * AUTOSENSE - if defined, REQUEST SENSE will be performed automatically - * for commands that return with a CHECK CONDITION status. - * - * LIMIT_TRANSFERSIZE - if defined, limit the pseudo-dma transfers to 512 - * bytes at a time. Since interrupts are disabled by default during - * these transfers, we might need this to give reasonable interrupt - * service time if the transfer size gets too large. - * - * PSEUDO_DMA - enables PSEUDO-DMA hardware, should give a 3-4X performance - * increase compared to polled I/O. - * - * PARITY - enable parity checking. Not supported. - * - * SCSI2 - enable support for SCSI-II tagged queueing. Untested. - * - * UNSAFE - leave interrupts enabled during pseudo-DMA transfers. This - * parameter comes from the NCR5380 code. It is NOT unsafe with - * the PAS16 and you should use it. If you don't you will have - * a problem with dropped characters during high speed - * communications during SCSI transfers. If you really don't - * want to use UNSAFE you can try defining LIMIT_TRANSFERSIZE or - * twiddle with the transfer size in the high level code. - * - * USLEEP - enable support for devices that don't disconnect. Untested. - * * The card is detected and initialized in one of several ways : * 1. Autoprobe (default) - There are many different models of * the Pro Audio Spectrum/Studio 16, and I only have one of @@ -102,13 +62,11 @@ * If you have problems with your card not being recognized, use * the LILO command line override. Try to get it recognized without * interrupts. Ie, for a board at the default 0x388 base port, - * boot: linux pas16=0x388,255 + * boot: linux pas16=0x388,0 * - * SCSI_IRQ_NONE (255) should be specified for no interrupt, + * NO_IRQ (0) should be specified for no interrupt, * IRQ_AUTO (254) to autoprobe for an IRQ line if overridden * on the command line. - * - * (IRQ_AUTO == 254, SCSI_IRQ_NONE == 255 in NCR5380.h) */ #include <linux/module.h> @@ -123,15 +81,12 @@ #include <linux/stat.h> #include <linux/init.h> -#include "scsi.h" #include <scsi/scsi_host.h> #include "pas16.h" #define AUTOPROBE_IRQ #include "NCR5380.h" -static int pas_maxi = 0; -static int pas_wmaxi = 0; static unsigned short pas16_addr = 0; static int pas16_irq = 0; @@ -337,6 +292,7 @@ static int __init } +#ifndef MODULE /* * Function : pas16_setup(char *str, int *ints) * @@ -347,10 +303,13 @@ static int __init * */ -void __init pas16_setup(char *str, int *ints) +static int __init pas16_setup(char *str) { static int commandline_current = 0; int i; + int ints[10]; + + get_options(str, ARRAY_SIZE(ints), ints); if (ints[0] != 2) printk("pas16_setup : usage pas16=io_port,irq\n"); else @@ -364,8 +323,12 @@ void __init pas16_setup(char *str, int *ints) } ++commandline_current; } + return 1; } +__setup("pas16=", pas16_setup); +#endif + /* * Function : int pas16_detect(struct scsi_host_template * tpnt) * @@ -379,7 +342,7 @@ void __init pas16_setup(char *str, int *ints) * */ -int __init pas16_detect(struct scsi_host_template * tpnt) +static int __init pas16_detect(struct scsi_host_template *tpnt) { static int current_override = 0; static unsigned short current_base = 0; @@ -387,10 +350,6 @@ int __init pas16_detect(struct scsi_host_template * tpnt) unsigned short io_port; int count; - tpnt->proc_name = "pas16"; - tpnt->show_info = pas16_show_info; - tpnt->write_info = pas16_write_info; - if (pas16_addr != 0) { overrides[0].io_port = pas16_addr; /* @@ -452,15 +411,19 @@ int __init pas16_detect(struct scsi_host_template * tpnt) else instance->irq = NCR5380_probe_irq(instance, PAS16_IRQS); - if (instance->irq != SCSI_IRQ_NONE) + /* Compatibility with documented NCR5380 kernel parameters */ + if (instance->irq == 255) + instance->irq = NO_IRQ; + + if (instance->irq != NO_IRQ) if (request_irq(instance->irq, pas16_intr, 0, "pas16", instance)) { printk("scsi%d : IRQ%d not free, interrupts disabled\n", instance->host_no, instance->irq); - instance->irq = SCSI_IRQ_NONE; + instance->irq = NO_IRQ; } - if (instance->irq == SCSI_IRQ_NONE) { + if (instance->irq == NO_IRQ) { printk("scsi%d : interrupts not enabled. for better interactive performance,\n", instance->host_no); printk("scsi%d : please jumper the board for a free IRQ.\n", instance->host_no); /* Disable 5380 interrupts, leave drive params the same */ @@ -472,17 +435,6 @@ int __init pas16_detect(struct scsi_host_template * tpnt) printk("scsi%d : irq = %d\n", instance->host_no, instance->irq); #endif - printk("scsi%d : at 0x%04x", instance->host_no, (int) - instance->io_port); - if (instance->irq == SCSI_IRQ_NONE) - printk (" interrupts disabled"); - else - printk (" irq %d", instance->irq); - printk(" options CAN_QUEUE=%d CMD_PER_LUN=%d release=%d", - CAN_QUEUE, CMD_PER_LUN, PAS16_PUBLIC_RELEASE); - NCR5380_print_options(instance); - printk("\n"); - ++current_override; ++count; } @@ -509,8 +461,8 @@ int __init pas16_detect(struct scsi_host_template * tpnt) * and matching the H_C_S coordinates to what DOS uses. */ -int pas16_biosparam(struct scsi_device *sdev, struct block_device *dev, - sector_t capacity, int * ip) +static int pas16_biosparam(struct scsi_device *sdev, struct block_device *dev, + sector_t capacity, int *ip) { int size = capacity; ip[0] = 64; @@ -547,6 +499,7 @@ static inline int NCR5380_pread (struct Scsi_Host *instance, unsigned char *dst, P_DATA_REG_OFFSET); register int i = len; int ii = 0; + struct NCR5380_hostdata *hostdata = shost_priv(instance); while ( !(inb(instance->io_port + P_STATUS_REG_OFFSET) & P_ST_RDY) ) ++ii; @@ -559,8 +512,8 @@ static inline int NCR5380_pread (struct Scsi_Host *instance, unsigned char *dst, instance->host_no); return -1; } - if (ii > pas_maxi) - pas_maxi = ii; + if (ii > hostdata->spin_max_r) + hostdata->spin_max_r = ii; return 0; } @@ -583,6 +536,7 @@ static inline int NCR5380_pwrite (struct Scsi_Host *instance, unsigned char *src register unsigned short reg = (instance->io_port + P_DATA_REG_OFFSET); register int i = len; int ii = 0; + struct NCR5380_hostdata *hostdata = shost_priv(instance); while ( !((inb(instance->io_port + P_STATUS_REG_OFFSET)) & P_ST_RDY) ) ++ii; @@ -595,8 +549,8 @@ static inline int NCR5380_pwrite (struct Scsi_Host *instance, unsigned char *src instance->host_no); return -1; } - if (ii > pas_maxi) - pas_wmaxi = ii; + if (ii > hostdata->spin_max_w) + hostdata->spin_max_w = ii; return 0; } @@ -604,7 +558,7 @@ static inline int NCR5380_pwrite (struct Scsi_Host *instance, unsigned char *src static int pas16_release(struct Scsi_Host *shost) { - if (shost->irq) + if (shost->irq != NO_IRQ) free_irq(shost->irq, shost); NCR5380_exit(shost); if (shost->io_port && shost->n_io_port) @@ -617,6 +571,10 @@ static struct scsi_host_template driver_template = { .name = "Pro Audio Spectrum-16 SCSI", .detect = pas16_detect, .release = pas16_release, + .proc_name = "pas16", + .show_info = pas16_show_info, + .write_info = pas16_write_info, + .info = pas16_info, .queuecommand = pas16_queue_command, .eh_abort_handler = pas16_abort, .eh_bus_reset_handler = pas16_bus_reset, |