diff options
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/advansys.c | 412 |
1 files changed, 113 insertions, 299 deletions
diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c index e096f19e4dd9..eda41f245bb4 100644 --- a/drivers/scsi/advansys.c +++ b/drivers/scsi/advansys.c @@ -280,7 +280,7 @@ AdvanSys SCSI adapter files have the following path name format: - /proc/scsi/advansys/[0-(ASC_NUM_BOARD_SUPPORTED-1)] + /proc/scsi/advansys/{0,1,2,3,...} This information can be displayed with cat. For example: @@ -769,6 +769,7 @@ #include <linux/proc_fs.h> #include <linux/init.h> #include <linux/blkdev.h> +#include <linux/isa.h> #include <linux/eisa.h> #include <linux/pci.h> #include <linux/spinlock.h> @@ -1362,18 +1363,6 @@ typedef struct asc_risc_sg_list_q { #define ASC_MAX_INRAM_TAG_QNG 16 #define ASC_IOADR_TABLE_MAX_IX 11 #define ASC_IOADR_GAP 0x10 -#define ASC_SEARCH_IOP_GAP 0x10 -#define ASC_MIN_IOP_ADDR (PortAddr)0x0100 -#define ASC_MAX_IOP_ADDR (PortAddr)0x3F0 -#define ASC_IOADR_1 (PortAddr)0x0110 -#define ASC_IOADR_2 (PortAddr)0x0130 -#define ASC_IOADR_3 (PortAddr)0x0150 -#define ASC_IOADR_4 (PortAddr)0x0190 -#define ASC_IOADR_5 (PortAddr)0x0210 -#define ASC_IOADR_6 (PortAddr)0x0230 -#define ASC_IOADR_7 (PortAddr)0x0250 -#define ASC_IOADR_8 (PortAddr)0x0330 -#define ASC_IOADR_DEF ASC_IOADR_8 #define ASC_LIB_SCSIQ_WK_SP 256 #define ASC_MAX_SYN_XFER_NO 16 #define ASC_SYN_MAX_OFFSET 0x0F @@ -1934,9 +1923,6 @@ static int AscIsrQDone(ASC_DVC_VAR *); static int AscCompareString(uchar *, uchar *, int); #ifdef CONFIG_ISA static ushort AscGetEisaChipCfg(PortAddr); -static PortAddr AscSearchIOPortAddr11(PortAddr); -static PortAddr AscSearchIOPortAddr(PortAddr, ushort); -static void AscSetISAPNPWaitForKey(void); #endif /* CONFIG_ISA */ static uchar AscGetChipScsiCtrl(PortAddr); static uchar AscSetChipScsiID(PortAddr, uchar); @@ -3405,10 +3391,6 @@ typedef struct { * --- Driver Constants and Macros */ -#define ASC_NUM_BOARD_SUPPORTED 16 -#define ASC_NUM_IOPORT_PROBE 4 -#define ASC_NUM_BUS 2 - /* Reference Scsi_Host hostdata */ #define ASC_BOARDP(host) ((asc_board_t *) &((host)->hostdata)) @@ -3836,10 +3818,6 @@ typedef struct asc_board { /* Number of boards detected in system. */ static int asc_board_count; -/* Number of boards detected by advansys_detect */ -static int asc_legacy_count; -static struct Scsi_Host *asc_host[ASC_NUM_BOARD_SUPPORTED] = { NULL }; - /* Overrun buffer used by all narrow boards. */ static uchar overrun_buf[ASC_OVERRUN_BSIZE] = { 0 }; @@ -3849,27 +3827,10 @@ static uchar overrun_buf[ASC_OVERRUN_BSIZE] = { 0 }; static ASC_SCSI_Q asc_scsi_q = { {0} }; static ASC_SG_HEAD asc_sg_head = { 0 }; -/* List of bus types probed in advansys_detect. */ -static ushort asc_bus[ASC_NUM_BUS] __initdata = { - ASC_IS_ISA, - ASC_IS_VL, -}; - -static int asc_iopflag = ASC_FALSE; -static int asc_ioport[ASC_NUM_IOPORT_PROBE] = { 0, 0, 0, 0 }; - #ifdef ADVANSYS_DEBUG -static char *asc_bus_name[ASC_NUM_BUS] = { - "ASC_IS_ISA", - "ASC_IS_VL", -}; - static int asc_dbglvl = 3; #endif /* ADVANSYS_DEBUG */ -/* Declaration for Asc Library internal data referenced by driver. */ -static PortAddr _asc_def_iop_base[]; - /* * --- Driver Function Prototypes * @@ -3932,7 +3893,7 @@ static void asc_prt_hex(char *f, uchar *, int); #ifdef CONFIG_PROC_FS /* - * advansys_proc_info() - /proc/scsi/advansys/[0-(ASC_NUM_BOARD_SUPPORTED-1)] + * advansys_proc_info() - /proc/scsi/advansys/{0,1,2,3,...} * * *buffer: I/O buffer * **start: if inout == FALSE pointer into buffer where user read should start @@ -8196,77 +8157,6 @@ static int AscFindSignature(PortAddr iop_base) return (0); } -static PortAddr _asc_def_iop_base[ASC_IOADR_TABLE_MAX_IX] __initdata = { - 0x100, ASC_IOADR_1, 0x120, ASC_IOADR_2, 0x140, ASC_IOADR_3, ASC_IOADR_4, - ASC_IOADR_5, ASC_IOADR_6, ASC_IOADR_7, ASC_IOADR_8 -}; - -#ifdef CONFIG_ISA -static uchar _isa_pnp_inited __initdata = 0; - -static PortAddr __init AscSearchIOPortAddr(PortAddr iop_beg, ushort bus_type) -{ - if (bus_type & ASC_IS_VL) { - while ((iop_beg = AscSearchIOPortAddr11(iop_beg)) != 0) { - if (AscGetChipVersion(iop_beg, bus_type) <= - ASC_CHIP_MAX_VER_VL) { - return (iop_beg); - } - } - return (0); - } - if (bus_type & ASC_IS_ISA) { - if (_isa_pnp_inited == 0) { - AscSetISAPNPWaitForKey(); - _isa_pnp_inited++; - } - while ((iop_beg = AscSearchIOPortAddr11(iop_beg)) != 0) { - if ((AscGetChipVersion(iop_beg, bus_type) & - ASC_CHIP_VER_ISA_BIT) != 0) { - return (iop_beg); - } - } - return (0); - } - return (0); -} - -static PortAddr __init AscSearchIOPortAddr11(PortAddr s_addr) -{ - int i; - PortAddr iop_base; - - for (i = 0; i < ASC_IOADR_TABLE_MAX_IX; i++) { - if (_asc_def_iop_base[i] > s_addr) { - break; - } - } - for (; i < ASC_IOADR_TABLE_MAX_IX; i++) { - iop_base = _asc_def_iop_base[i]; - if (!request_region(iop_base, ASC_IOADR_GAP, "advansys")) { - ASC_DBG1(1, - "AscSearchIOPortAddr11: check_region() failed I/O port 0x%x\n", - iop_base); - continue; - } - ASC_DBG1(1, "AscSearchIOPortAddr11: probing I/O port 0x%x\n", - iop_base); - release_region(iop_base, ASC_IOADR_GAP); - if (AscFindSignature(iop_base)) { - return (iop_base); - } - } - return (0); -} - -static void __init AscSetISAPNPWaitForKey(void) -{ - outp(ASC_ISA_PNP_PORT_ADDR, 0x02); - outp(ASC_ISA_PNP_PORT_WRITE, 0x02); - return; -} -#endif /* CONFIG_ISA */ - static void __devinit AscToggleIRQAct(PortAddr iop_base) { AscSetChipStatus(iop_base, CIW_IRQ_ACT); @@ -18389,181 +18279,6 @@ advansys_board_found(int iop, struct device *dev, int bus_type) } /* - * advansys_detect() - * - * Detect function for AdvanSys adapters. - * - * Argument is a pointer to the host driver's scsi_hosts entry. - * - * Return number of adapters found. - * - * Note: Because this function is called during system initialization - * it must not call SCSI mid-level functions including scsi_malloc() - * and scsi_free(). - */ -static int __init advansys_detect(void) -{ - int iop; - int bus; - int ioport = 0; - struct Scsi_Host *shost; - - ASC_DBG(1, "advansys_detect: begin\n"); - - asc_legacy_count = 0; - - /* - * If I/O port probing has been modified, then verify and - * clean-up the 'asc_ioport' list. - */ - if (asc_iopflag == ASC_TRUE) { - for (ioport = 0; ioport < ASC_NUM_IOPORT_PROBE; ioport++) { - ASC_DBG2(1, "advansys_detect: asc_ioport[%d] 0x%x\n", - ioport, asc_ioport[ioport]); - if (asc_ioport[ioport] != 0) { - for (iop = 0; iop < ASC_IOADR_TABLE_MAX_IX; - iop++) { - if (_asc_def_iop_base[iop] == - asc_ioport[ioport]) { - break; - } - } - if (iop == ASC_IOADR_TABLE_MAX_IX) { - printk - ("AdvanSys SCSI: specified I/O Port 0x%X is invalid\n", - asc_ioport[ioport]); - asc_ioport[ioport] = 0; - } - } - } - ioport = 0; - } - - for (bus = 0; bus < ASC_NUM_BUS; bus++) { - - ASC_DBG2(1, "advansys_detect: bus search type %d (%s)\n", - bus, asc_bus_name[bus]); - iop = 0; - - while (asc_legacy_count < ASC_NUM_BOARD_SUPPORTED) { - - ASC_DBG1(2, "advansys_detect: asc_legacy_count %d\n", - asc_legacy_count); - - switch (asc_bus[bus]) { - case ASC_IS_ISA: - case ASC_IS_VL: -#ifdef CONFIG_ISA - if (asc_iopflag == ASC_FALSE) { - iop = - AscSearchIOPortAddr(iop, - asc_bus[bus]); - } else { - /* - * ISA and VL I/O port scanning has either been - * eliminated or limited to selected ports on - * the LILO command line, /etc/lilo.conf, or - * by setting variables when the module was loaded. - */ - ASC_DBG(1, - "advansys_detect: I/O port scanning modified\n"); - ioport_try_again: - iop = 0; - for (; ioport < ASC_NUM_IOPORT_PROBE; - ioport++) { - if ((iop = - asc_ioport[ioport]) != 0) { - break; - } - } - if (iop) { - ASC_DBG1(1, - "advansys_detect: probing I/O port 0x%x...\n", - iop); - if (!request_region - (iop, ASC_IOADR_GAP, - "advansys")) { - printk - ("AdvanSys SCSI: specified I/O Port 0x%X is busy\n", - iop); - /* Don't try this I/O port twice. */ - asc_ioport[ioport] = 0; - goto ioport_try_again; - } else if (AscFindSignature(iop) - == ASC_FALSE) { - printk - ("AdvanSys SCSI: specified I/O Port 0x%X has no adapter\n", - iop); - /* Don't try this I/O port twice. */ - release_region(iop, - ASC_IOADR_GAP); - asc_ioport[ioport] = 0; - goto ioport_try_again; - } else { - /* - * If this isn't an ISA board, then it must be - * a VL board. If currently looking an ISA - * board is being looked for then try for - * another ISA board in 'asc_ioport'. - */ - if (asc_bus[bus] == - ASC_IS_ISA - && - (AscGetChipVersion - (iop, - ASC_IS_ISA) & - ASC_CHIP_VER_ISA_BIT) - == 0) { - /* - * Don't clear 'asc_ioport[ioport]'. Try - * this board again for VL. Increment - * 'ioport' past this board. - */ - ioport++; - release_region - (iop, - ASC_IOADR_GAP); - goto ioport_try_again; - } - } - /* - * This board appears good, don't try the I/O port - * again by clearing its value. Increment 'ioport' - * for the next iteration. - */ - asc_ioport[ioport++] = 0; - } - } -#endif /* CONFIG_ISA */ - break; - - default: - ASC_PRINT1 - ("advansys_detect: unknown bus type: %d\n", - asc_bus[bus]); - break; - } - ASC_DBG1(1, "advansys_detect: iop 0x%x\n", iop); - - /* - * Adapter not found, try next bus type. - */ - if (iop == 0) - break; - - shost = advansys_board_found(iop, NULL, asc_bus[bus]); - if (shost) { - asc_host[asc_legacy_count++] = shost; - } - } - } - - ASC_DBG1(1, "advansys_detect: done: asc_legacy_count %d\n", - asc_legacy_count); - return asc_legacy_count; -} - -/* * advansys_release() * * Release resources allocated for a single AdvanSys adapter. @@ -18591,6 +18306,98 @@ static int advansys_release(struct Scsi_Host *shost) return 0; } +static PortAddr _asc_def_iop_base[ASC_IOADR_TABLE_MAX_IX] __devinitdata = { + 0x100, 0x0110, 0x120, 0x0130, 0x140, 0x0150, 0x0190, + 0x0210, 0x0230, 0x0250, 0x0330 +}; + +static int __devinit advansys_isa_probe(struct device *dev, unsigned int id) +{ + PortAddr iop_base = _asc_def_iop_base[id]; + struct Scsi_Host *shost; + + if (!request_region(iop_base, ASC_IOADR_GAP, "advansys")) { + ASC_DBG1(1, "advansys_isa_match: check_region() failed " + "I/O port 0x%x\n", iop_base); + return -ENODEV; + } + ASC_DBG1(1, "advansys_isa_match: probing I/O port 0x%x\n", iop_base); + release_region(iop_base, ASC_IOADR_GAP); + if (!AscFindSignature(iop_base)) + goto nodev; + if (!(AscGetChipVersion(iop_base, ASC_IS_ISA) & ASC_CHIP_VER_ISA_BIT)) + goto nodev; + + shost = advansys_board_found(iop_base, dev, ASC_IS_ISA); + + if (!shost) + goto nodev; + + dev_set_drvdata(dev, shost); + return 0; + + nodev: + return -ENODEV; +} + +static int __devexit advansys_isa_remove(struct device *dev, unsigned int id) +{ + advansys_release(dev_get_drvdata(dev)); + return 0; +} + +static struct isa_driver advansys_isa_driver = { + .probe = advansys_isa_probe, + .remove = __devexit_p(advansys_isa_remove), + .driver = { + .owner = THIS_MODULE, + .name = "advansys", + }, +}; + +static int __devinit advansys_vlb_probe(struct device *dev, unsigned int id) +{ + PortAddr iop_base = _asc_def_iop_base[id]; + struct Scsi_Host *shost; + + if (!request_region(iop_base, ASC_IOADR_GAP, "advansys")) { + ASC_DBG1(1, "advansys_vlb_match: check_region() failed " + "I/O port 0x%x\n", iop_base); + return -ENODEV; + } + ASC_DBG1(1, "advansys_vlb_match: probing I/O port 0x%x\n", iop_base); + release_region(iop_base, ASC_IOADR_GAP); + if (!AscFindSignature(iop_base)) + goto nodev; + /* + * I don't think this condition can actually happen, but the old + * driver did it, and the chances of finding a VLB setup in 2007 + * to do testing with is slight to none. + */ + if (AscGetChipVersion(iop_base, ASC_IS_VL) > ASC_CHIP_MAX_VER_VL) + goto nodev; + + shost = advansys_board_found(iop_base, dev, ASC_IS_VL); + + if (!shost) + goto nodev; + + dev_set_drvdata(dev, shost); + return 0; + + nodev: + return -ENODEV; +} + +static struct isa_driver advansys_vlb_driver = { + .probe = advansys_vlb_probe, + .remove = __devexit_p(advansys_isa_remove), + .driver = { + .owner = THIS_MODULE, + .name = "advansys", + }, +}; + static struct eisa_device_id advansys_eisa_table[] __devinitdata = { { "ABP7401" }, { "ABP7501" }, @@ -18735,13 +18542,22 @@ static struct pci_driver advansys_pci_driver = { static int __init advansys_init(void) { - int i, error; - advansys_detect(); + int error; - error = eisa_driver_register(&advansys_eisa_driver); + error = isa_register_driver(&advansys_isa_driver, + ASC_IOADR_TABLE_MAX_IX); if (error) goto fail; + error = isa_register_driver(&advansys_vlb_driver, + ASC_IOADR_TABLE_MAX_IX); + if (error) + goto unregister_isa; + + error = eisa_driver_register(&advansys_eisa_driver); + if (error) + goto unregister_vlb; + error = pci_register_driver(&advansys_pci_driver); if (error) goto unregister_eisa; @@ -18750,22 +18566,20 @@ static int __init advansys_init(void) unregister_eisa: eisa_driver_unregister(&advansys_eisa_driver); + unregister_vlb: + isa_unregister_driver(&advansys_vlb_driver); + unregister_isa: + isa_unregister_driver(&advansys_isa_driver); fail: - for (i = 0; i < asc_legacy_count; i++) - advansys_release(asc_host[i]); - return error; } static void __exit advansys_exit(void) { - int i; - pci_unregister_driver(&advansys_pci_driver); eisa_driver_unregister(&advansys_eisa_driver); - - for (i = 0; i < asc_legacy_count; i++) - advansys_release(asc_host[i]); + isa_unregister_driver(&advansys_vlb_driver); + isa_unregister_driver(&advansys_isa_driver); } module_init(advansys_init); |