diff options
Diffstat (limited to 'drivers/scsi/aic7xxx/aic7770_osm.c')
| -rw-r--r-- | drivers/scsi/aic7xxx/aic7770_osm.c | 241 |
1 files changed, 65 insertions, 176 deletions
diff --git a/drivers/scsi/aic7xxx/aic7770_osm.c b/drivers/scsi/aic7xxx/aic7770_osm.c index c2b47f2bdffd..d4ed5e9f830a 100644 --- a/drivers/scsi/aic7xxx/aic7770_osm.c +++ b/drivers/scsi/aic7xxx/aic7770_osm.c @@ -41,138 +41,49 @@ #include "aic7xxx_osm.h" -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) #include <linux/device.h> #include <linux/eisa.h> -#define EISA_MFCTR_CHAR0(ID) (char)(((ID>>26) & 0x1F) | '@') /* Bits 26-30 */ -#define EISA_MFCTR_CHAR1(ID) (char)(((ID>>21) & 0x1F) | '@') /* Bits 21-25 */ -#define EISA_MFCTR_CHAR2(ID) (char)(((ID>>16) & 0x1F) | '@') /* Bits 16-20 */ -#define EISA_PRODUCT_ID(ID) (short)((ID>>4) & 0xFFF) /* Bits 4-15 */ -#define EISA_REVISION_ID(ID) (uint8_t)(ID & 0x0F) /* Bits 0-3 */ - -static int aic7770_eisa_dev_probe(struct device *dev); -static int aic7770_eisa_dev_remove(struct device *dev); -static struct eisa_driver aic7770_driver = { - .driver = { - .name = "aic7xxx", - .probe = aic7770_eisa_dev_probe, - .remove = aic7770_eisa_dev_remove, - } -}; - -typedef struct device *aic7770_dev_t; -#else -#define MINSLOT 1 -#define NUMSLOTS 16 -#define IDOFFSET 0x80 - -typedef void *aic7770_dev_t; -#endif - -static int aic7770_linux_config(struct aic7770_identity *entry, - aic7770_dev_t dev, u_int eisaBase); - int -ahc_linux_eisa_init(void) +aic7770_map_registers(struct ahc_softc *ahc, u_int port) { -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) - struct eisa_device_id *eid; - struct aic7770_identity *id; - int i; - - if (aic7xxx_probe_eisa_vl == 0) - return -ENODEV; - /* - * Linux requires the EISA IDs to be specified in - * the EISA ID string format. Perform the conversion - * and setup a table with a NUL terminal entry. + * Lock out other contenders for our i/o space. */ - aic7770_driver.id_table = malloc(sizeof(struct eisa_device_id) * - (ahc_num_aic7770_devs + 1), - M_DEVBUF, M_NOWAIT); - if (aic7770_driver.id_table == NULL) - return -ENOMEM; - - for (eid = (struct eisa_device_id *)aic7770_driver.id_table, - id = aic7770_ident_table, i = 0; - i < ahc_num_aic7770_devs; eid++, id++, i++) { - - sprintf(eid->sig, "%c%c%c%03X%01X", - EISA_MFCTR_CHAR0(id->full_id), - EISA_MFCTR_CHAR1(id->full_id), - EISA_MFCTR_CHAR2(id->full_id), - EISA_PRODUCT_ID(id->full_id), - EISA_REVISION_ID(id->full_id)); - eid->driver_data = i; - } - eid->sig[0] = 0; - - return eisa_driver_register(&aic7770_driver); -#else /* LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) */ - struct aic7770_identity *entry; - u_int slot; - u_int eisaBase; - u_int i; - int ret = -ENODEV; - - if (aic7xxx_probe_eisa_vl == 0) - return ret; - - eisaBase = 0x1000 + AHC_EISA_SLOT_OFFSET; - for (slot = 1; slot < NUMSLOTS; eisaBase+=0x1000, slot++) { - uint32_t eisa_id; - size_t id_size; - - if (request_region(eisaBase, AHC_EISA_IOSIZE, "aic7xxx") == 0) - continue; - - eisa_id = 0; - id_size = sizeof(eisa_id); - for (i = 0; i < 4; i++) { - /* VLcards require priming*/ - outb(0x80 + i, eisaBase + IDOFFSET); - eisa_id |= inb(eisaBase + IDOFFSET + i) - << ((id_size-i-1) * 8); - } - release_region(eisaBase, AHC_EISA_IOSIZE); - if (eisa_id & 0x80000000) - continue; /* no EISA card in slot */ - - entry = aic7770_find_device(eisa_id); - if (entry != NULL) { - aic7770_linux_config(entry, NULL, eisaBase); - ret = 0; - } - } - return ret; -#endif + if (request_region(port, AHC_EISA_IOSIZE, "aic7xxx") == 0) + return (ENOMEM); + ahc->tag = BUS_SPACE_PIO; + ahc->bsh.ioport = port; + return (0); } -void -ahc_linux_eisa_exit(void) +int +aic7770_map_int(struct ahc_softc *ahc, u_int irq) { - if(aic7xxx_probe_eisa_vl != 0 && aic7770_driver.id_table != NULL) { - eisa_driver_unregister(&aic7770_driver); - free(aic7770_driver.id_table, M_DEVBUF); - } + int error; + int shared; + + shared = 0; + if ((ahc->flags & AHC_EDGE_INTERRUPT) == 0) + shared = SA_SHIRQ; + + error = request_irq(irq, ahc_linux_isr, shared, "aic7xxx", ahc); + if (error == 0) + ahc->platform_data->irq = irq; + + return (-error); } static int -aic7770_linux_config(struct aic7770_identity *entry, aic7770_dev_t dev, - u_int eisaBase) +aic7770_probe(struct device *dev) { + struct eisa_device *edev = to_eisa_device(dev); + u_int eisaBase = edev->base_addr+AHC_EISA_SLOT_OFFSET; struct ahc_softc *ahc; char buf[80]; char *name; int error; - /* - * Allocate a softc for this card and - * set it up for attachment by our - * common detect routine. - */ sprintf(buf, "ahc_eisa:%d", eisaBase >> 12); name = malloc(strlen(buf) + 1, M_DEVBUF, M_NOWAIT); if (name == NULL) @@ -181,84 +92,62 @@ aic7770_linux_config(struct aic7770_identity *entry, aic7770_dev_t dev, ahc = ahc_alloc(&aic7xxx_driver_template, name); if (ahc == NULL) return (ENOMEM); - error = aic7770_config(ahc, entry, eisaBase); + error = aic7770_config(ahc, aic7770_ident_table + edev->id.driver_data, + eisaBase); if (error != 0) { ahc->bsh.ioport = 0; ahc_free(ahc); return (error); } -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) - dev->driver_data = (void *)ahc; + + dev_set_drvdata(dev, ahc); + if (aic7xxx_detect_complete) error = ahc_linux_register_host(ahc, &aic7xxx_driver_template); -#endif return (error); } -int -aic7770_map_registers(struct ahc_softc *ahc, u_int port) -{ - /* - * Lock out other contenders for our i/o space. - */ - if (request_region(port, AHC_EISA_IOSIZE, "aic7xxx") == 0) - return (ENOMEM); - ahc->tag = BUS_SPACE_PIO; - ahc->bsh.ioport = port; - return (0); -} - -int -aic7770_map_int(struct ahc_softc *ahc, u_int irq) +static int +aic7770_remove(struct device *dev) { - int error; - int shared; + struct ahc_softc *ahc = dev_get_drvdata(dev); + u_long s; - shared = 0; - if ((ahc->flags & AHC_EDGE_INTERRUPT) == 0) - shared = SA_SHIRQ; + ahc_lock(ahc, &s); + ahc_intr_enable(ahc, FALSE); + ahc_unlock(ahc, &s); - error = request_irq(irq, ahc_linux_isr, shared, "aic7xxx", ahc); - if (error == 0) - ahc->platform_data->irq = irq; - - return (-error); + ahc_free(ahc); + return 0; } - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) -static int -aic7770_eisa_dev_probe(struct device *dev) + +static struct eisa_device_id aic7770_ids[] = { + { "ADP7771", 0 }, /* AHA 274x */ + { "ADP7756", 1 }, /* AHA 284x BIOS enabled */ + { "ADP7757", 2 }, /* AHA 284x BIOS disabled */ + { "ADP7782", 3 }, /* AHA 274x Olivetti OEM */ + { "ADP7783", 4 }, /* AHA 274x Olivetti OEM (Differential) */ + { "ADP7770", 5 }, /* AIC7770 generic */ + { "" } +}; + +static struct eisa_driver aic7770_driver = { + .id_table = aic7770_ids, + .driver = { + .name = "aic7xxx", + .probe = aic7770_probe, + .remove = aic7770_remove, + } +}; + +int +ahc_linux_eisa_init(void) { - struct eisa_device *edev; - - edev = to_eisa_device(dev); - return (aic7770_linux_config(aic7770_ident_table + edev->id.driver_data, - dev, edev->base_addr+AHC_EISA_SLOT_OFFSET)); + return eisa_driver_register(&aic7770_driver); } - -static int -aic7770_eisa_dev_remove(struct device *dev) + +void +ahc_linux_eisa_exit(void) { - struct ahc_softc *ahc; - u_long l; - - /* - * We should be able to just perform - * the free directly, but check our - * list for extra sanity. - */ - ahc_list_lock(&l); - ahc = ahc_find_softc((struct ahc_softc *)dev->driver_data); - if (ahc != NULL) { - u_long s; - - ahc_lock(ahc, &s); - ahc_intr_enable(ahc, FALSE); - ahc_unlock(ahc, &s); - ahc_free(ahc); - } - ahc_list_unlock(&l); - - return (0); + eisa_driver_unregister(&aic7770_driver); } -#endif |