| /*====================================================================== |
| |
| NinjaSCSI-3 / NinjaSCSI-32Bi PCMCIA SCSI host adapter card driver |
| By: YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp> |
| |
| Ver.2.8 Support 32bit MMIO mode |
| Support Synchronous Data Transfer Request (SDTR) mode |
| Ver.2.0 Support 32bit PIO mode |
| Ver.1.1.2 Fix for scatter list buffer exceeds |
| Ver.1.1 Support scatter list |
| Ver.0.1 Initial version |
| |
| This software may be used and distributed according to the terms of |
| the GNU General Public License. |
| |
| ======================================================================*/ |
| |
| /*********************************************************************** |
| This driver is for these PCcards. |
| |
| I-O DATA PCSC-F (Workbit NinjaSCSI-3) |
| "WBT", "NinjaSCSI-3", "R1.0" |
| I-O DATA CBSC-II (Workbit NinjaSCSI-32Bi in 16bit mode) |
| "IO DATA", "CBSC16 ", "1" |
| |
| ***********************************************************************/ |
| |
| /* $Id: nsp_cs.c,v 1.23 2003/08/18 11:09:19 elca Exp $ */ |
| |
| #include <linux/version.h> |
| #include <linux/module.h> |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/sched.h> |
| #include <linux/slab.h> |
| #include <linux/string.h> |
| #include <linux/timer.h> |
| #include <linux/ioport.h> |
| #include <linux/delay.h> |
| #include <linux/interrupt.h> |
| #include <linux/major.h> |
| #include <linux/blkdev.h> |
| #include <linux/stat.h> |
| |
| #include <asm/io.h> |
| #include <asm/irq.h> |
| |
| #include <../drivers/scsi/scsi.h> |
| #include <scsi/scsi_host.h> |
| |
| #include <scsi/scsi.h> |
| #include <scsi/scsi_ioctl.h> |
| |
| #include <pcmcia/cs_types.h> |
| #include <pcmcia/cs.h> |
| #include <pcmcia/cistpl.h> |
| #include <pcmcia/cisreg.h> |
| #include <pcmcia/ds.h> |
| |
| #include "nsp_cs.h" |
| |
| MODULE_AUTHOR("YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp>"); |
| MODULE_DESCRIPTION("WorkBit NinjaSCSI-3 / NinjaSCSI-32Bi(16bit) PCMCIA SCSI host adapter module $Revision: 1.23 $"); |
| MODULE_SUPPORTED_DEVICE("sd,sr,sg,st"); |
| #ifdef MODULE_LICENSE |
| MODULE_LICENSE("GPL"); |
| #endif |
| |
| #include "nsp_io.h" |
| |
| /*====================================================================*/ |
| /* Parameters that can be set with 'insmod' */ |
| |
| static int nsp_burst_mode = BURST_MEM32; |
| module_param(nsp_burst_mode, int, 0); |
| MODULE_PARM_DESC(nsp_burst_mode, "Burst transfer mode (0=io8, 1=io32, 2=mem32(default))"); |
| |
| /* Release IO ports after configuration? */ |
| static int free_ports = 0; |
| module_param(free_ports, bool, 0); |
| MODULE_PARM_DESC(free_ports, "Release IO ports after configuration? (default: 0 (=no))"); |
| |
| /* /usr/src/linux/drivers/scsi/hosts.h */ |
| static struct scsi_host_template nsp_driver_template = { |
| .proc_name = "nsp_cs", |
| .proc_info = nsp_proc_info, |
| .name = "WorkBit NinjaSCSI-3/32Bi(16bit)", |
| #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) |
| .detect = nsp_detect_old, |
| .release = nsp_release_old, |
| #endif |
| .info = nsp_info, |
| .queuecommand = nsp_queuecommand, |
| /* .eh_abort_handler = nsp_eh_abort,*/ |
| .eh_bus_reset_handler = nsp_eh_bus_reset, |
| .eh_host_reset_handler = nsp_eh_host_reset, |
| .can_queue = 1, |
| .this_id = NSP_INITIATOR_ID, |
| .sg_tablesize = SG_ALL, |
| .cmd_per_lun = 1, |
| .use_clustering = DISABLE_CLUSTERING, |
| #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,2)) |
| .use_new_eh_code = 1, |
| #endif |
| }; |
| |
| static nsp_hw_data nsp_data_base; /* attach <-> detect glue */ |
| |
| |
| |
| /* |
| * debug, error print |
| */ |
| #ifndef NSP_DEBUG |
| # define NSP_DEBUG_MASK 0x000000 |
| # define nsp_msg(type, args...) nsp_cs_message("", 0, (type), args) |
| # define nsp_dbg(mask, args...) /* */ |
| #else |
| # define NSP_DEBUG_MASK 0xffffff |
| # define nsp_msg(type, args...) \ |
| nsp_cs_message (__FUNCTION__, __LINE__, (type), args) |
| # define nsp_dbg(mask, args...) \ |
| nsp_cs_dmessage(__FUNCTION__, __LINE__, (mask), args) |
| #endif |
| |
| #define NSP_DEBUG_QUEUECOMMAND BIT(0) |
| #define NSP_DEBUG_REGISTER BIT(1) |
| #define NSP_DEBUG_AUTOSCSI BIT(2) |
| #define NSP_DEBUG_INTR BIT(3) |
| #define NSP_DEBUG_SGLIST BIT(4) |
| #define NSP_DEBUG_BUSFREE BIT(5) |
| #define NSP_DEBUG_CDB_CONTENTS BIT(6) |
| #define NSP_DEBUG_RESELECTION BIT(7) |
| #define NSP_DEBUG_MSGINOCCUR BIT(8) |
| #define NSP_DEBUG_EEPROM BIT(9) |
| #define NSP_DEBUG_MSGOUTOCCUR BIT(10) |
| #define NSP_DEBUG_BUSRESET BIT(11) |
| #define NSP_DEBUG_RESTART BIT(12) |
| #define NSP_DEBUG_SYNC BIT(13) |
| #define NSP_DEBUG_WAIT BIT(14) |
| #define NSP_DEBUG_TARGETFLAG BIT(15) |
| #define NSP_DEBUG_PROC BIT(16) |
| #define NSP_DEBUG_INIT BIT(17) |
| #define NSP_DEBUG_DATA_IO BIT(18) |
| #define NSP_SPECIAL_PRINT_REGISTER BIT(20) |
| |
| #define NSP_DEBUG_BUF_LEN 150 |
| |
| static void nsp_cs_message(const char *func, int line, char *type, char *fmt, ...) |
| { |
| va_list args; |
| char buf[NSP_DEBUG_BUF_LEN]; |
| |
| va_start(args, fmt); |
| vsnprintf(buf, sizeof(buf), fmt, args); |
| va_end(args); |
| |
| #ifndef NSP_DEBUG |
| printk("%snsp_cs: %s\n", type, buf); |
| #else |
| printk("%snsp_cs: %s (%d): %s\n", type, func, line, buf); |
| #endif |
| } |
| |
| #ifdef NSP_DEBUG |
| static void nsp_cs_dmessage(const char *func, int line, int mask, char *fmt, ...) |
| { |
| va_list args; |
| char buf[NSP_DEBUG_BUF_LEN]; |
| |
| va_start(args, fmt); |
| vsnprintf(buf, sizeof(buf), fmt, args); |
| va_end(args); |
| |
| if (mask & NSP_DEBUG_MASK) { |
| printk("nsp_cs-debug: 0x%x %s (%d): %s\n", mask, func, line, buf); |
| } |
| } |
| #endif |
| |
| /***********************************************************/ |
| |
| /*==================================================== |
| * Clenaup parameters and call done() functions. |
| * You must be set SCpnt->result before call this function. |
| */ |
| static void nsp_scsi_done(Scsi_Cmnd *SCpnt) |
| { |
| nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| |
| data->CurrentSC = NULL; |
| |
| SCpnt->scsi_done(SCpnt); |
| } |
| |
| static int nsp_queuecommand(Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *)) |
| { |
| #ifdef NSP_DEBUG |
| /*unsigned int host_id = SCpnt->device->host->this_id;*/ |
| /*unsigned int base = SCpnt->device->host->io_port;*/ |
| unsigned char target = scmd_id(SCpnt); |
| #endif |
| nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| |
| nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "SCpnt=0x%p target=%d lun=%d buff=0x%p bufflen=%d use_sg=%d", |
| SCpnt, target, SCpnt->device->lun, SCpnt->request_buffer, SCpnt->request_bufflen, SCpnt->use_sg); |
| //nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "before CurrentSC=0x%p", data->CurrentSC); |
| |
| SCpnt->scsi_done = done; |
| |
| if (data->CurrentSC != NULL) { |
| nsp_msg(KERN_DEBUG, "CurrentSC!=NULL this can't be happen"); |
| SCpnt->result = DID_BAD_TARGET << 16; |
| nsp_scsi_done(SCpnt); |
| return 0; |
| } |
| |
| #if 0 |
| /* XXX: pcmcia-cs generates SCSI command with "scsi_info" utility. |
| This makes kernel crash when suspending... */ |
| if (data->ScsiInfo->stop != 0) { |
| nsp_msg(KERN_INFO, "suspending device. reject command."); |
| SCpnt->result = DID_BAD_TARGET << 16; |
| nsp_scsi_done(SCpnt); |
| return SCSI_MLQUEUE_HOST_BUSY; |
| } |
| #endif |
| |
| show_command(SCpnt); |
| |
| data->CurrentSC = SCpnt; |
| |
| SCpnt->SCp.Status = CHECK_CONDITION; |
| SCpnt->SCp.Message = 0; |
| SCpnt->SCp.have_data_in = IO_UNKNOWN; |
| SCpnt->SCp.sent_command = 0; |
| SCpnt->SCp.phase = PH_UNDETERMINED; |
| SCpnt->resid = SCpnt->request_bufflen; |
| |
| /* setup scratch area |
| SCp.ptr : buffer pointer |
| SCp.this_residual : buffer length |
| SCp.buffer : next buffer |
| SCp.buffers_residual : left buffers in list |
| SCp.phase : current state of the command */ |
| if (SCpnt->use_sg) { |
| SCpnt->SCp.buffer = (struct scatterlist *) SCpnt->request_buffer; |
| SCpnt->SCp.ptr = BUFFER_ADDR; |
| SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; |
| SCpnt->SCp.buffers_residual = SCpnt->use_sg - 1; |
| } else { |
| SCpnt->SCp.ptr = (char *) SCpnt->request_buffer; |
| SCpnt->SCp.this_residual = SCpnt->request_bufflen; |
| SCpnt->SCp.buffer = NULL; |
| SCpnt->SCp.buffers_residual = 0; |
| } |
| |
| if (nsphw_start_selection(SCpnt) == FALSE) { |
| nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "selection fail"); |
| SCpnt->result = DID_BUS_BUSY << 16; |
| nsp_scsi_done(SCpnt); |
| return 0; |
| } |
| |
| |
| //nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "out"); |
| #ifdef NSP_DEBUG |
| data->CmdId++; |
| #endif |
| return 0; |
| } |
| |
| /* |
| * setup PIO FIFO transfer mode and enable/disable to data out |
| */ |
| static void nsp_setup_fifo(nsp_hw_data *data, int enabled) |
| { |
| unsigned int base = data->BaseAddress; |
| unsigned char transfer_mode_reg; |
| |
| //nsp_dbg(NSP_DEBUG_DATA_IO, "enabled=%d", enabled); |
| |
| if (enabled != FALSE) { |
| transfer_mode_reg = TRANSFER_GO | BRAIND; |
| } else { |
| transfer_mode_reg = 0; |
| } |
| |
| transfer_mode_reg |= data->TransferMode; |
| |
| nsp_index_write(base, TRANSFERMODE, transfer_mode_reg); |
| } |
| |
| static void nsphw_init_sync(nsp_hw_data *data) |
| { |
| sync_data tmp_sync = { .SyncNegotiation = SYNC_NOT_YET, |
| .SyncPeriod = 0, |
| .SyncOffset = 0 |
| }; |
| int i; |
| |
| /* setup sync data */ |
| for ( i = 0; i < ARRAY_SIZE(data->Sync); i++ ) { |
| data->Sync[i] = tmp_sync; |
| } |
| } |
| |
| /* |
| * Initialize Ninja hardware |
| */ |
| static int nsphw_init(nsp_hw_data *data) |
| { |
| unsigned int base = data->BaseAddress; |
| |
| nsp_dbg(NSP_DEBUG_INIT, "in base=0x%x", base); |
| |
| data->ScsiClockDiv = CLOCK_40M | FAST_20; |
| data->CurrentSC = NULL; |
| data->FifoCount = 0; |
| data->TransferMode = MODE_IO8; |
| |
| nsphw_init_sync(data); |
| |
| /* block all interrupts */ |
| nsp_write(base, IRQCONTROL, IRQCONTROL_ALLMASK); |
| |
| /* setup SCSI interface */ |
| nsp_write(base, IFSELECT, IF_IFSEL); |
| |
| nsp_index_write(base, SCSIIRQMODE, 0); |
| |
| nsp_index_write(base, TRANSFERMODE, MODE_IO8); |
| nsp_index_write(base, CLOCKDIV, data->ScsiClockDiv); |
| |
| nsp_index_write(base, PARITYCTRL, 0); |
| nsp_index_write(base, POINTERCLR, POINTER_CLEAR | |
| ACK_COUNTER_CLEAR | |
| REQ_COUNTER_CLEAR | |
| HOST_COUNTER_CLEAR); |
| |
| /* setup fifo asic */ |
| nsp_write(base, IFSELECT, IF_REGSEL); |
| nsp_index_write(base, TERMPWRCTRL, 0); |
| if ((nsp_index_read(base, OTHERCONTROL) & TPWR_SENSE) == 0) { |
| nsp_msg(KERN_INFO, "terminator power on"); |
| nsp_index_write(base, TERMPWRCTRL, POWER_ON); |
| } |
| |
| nsp_index_write(base, TIMERCOUNT, 0); |
| nsp_index_write(base, TIMERCOUNT, 0); /* requires 2 times!! */ |
| |
| nsp_index_write(base, SYNCREG, 0); |
| nsp_index_write(base, ACKWIDTH, 0); |
| |
| /* enable interrupts and ack them */ |
| nsp_index_write(base, SCSIIRQMODE, SCSI_PHASE_CHANGE_EI | |
| RESELECT_EI | |
| SCSI_RESET_IRQ_EI ); |
| nsp_write(base, IRQCONTROL, IRQCONTROL_ALLCLEAR); |
| |
| nsp_setup_fifo(data, FALSE); |
| |
| return TRUE; |
| } |
| |
| /* |
| * Start selection phase |
| */ |
| static int nsphw_start_selection(Scsi_Cmnd *SCpnt) |
| { |
| unsigned int host_id = SCpnt->device->host->this_id; |
| unsigned int base = SCpnt->device->host->io_port; |
| unsigned char target = scmd_id(SCpnt); |
| nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| int time_out; |
| unsigned char phase, arbit; |
| |
| //nsp_dbg(NSP_DEBUG_RESELECTION, "in"); |
| |
| phase = nsp_index_read(base, SCSIBUSMON); |
| if(phase != BUSMON_BUS_FREE) { |
| //nsp_dbg(NSP_DEBUG_RESELECTION, "bus busy"); |
| return FALSE; |
| } |
| |
| /* start arbitration */ |
| //nsp_dbg(NSP_DEBUG_RESELECTION, "start arbit"); |
| SCpnt->SCp.phase = PH_ARBSTART; |
| nsp_index_write(base, SETARBIT, ARBIT_GO); |
| |
| time_out = 1000; |
| do { |
| /* XXX: what a stupid chip! */ |
| arbit = nsp_index_read(base, ARBITSTATUS); |
| //nsp_dbg(NSP_DEBUG_RESELECTION, "arbit=%d, wait_count=%d", arbit, wait_count); |
| udelay(1); /* hold 1.2us */ |
| } while((arbit & (ARBIT_WIN | ARBIT_FAIL)) == 0 && |
| (time_out-- != 0)); |
| |
| if (!(arbit & ARBIT_WIN)) { |
| //nsp_dbg(NSP_DEBUG_RESELECTION, "arbit fail"); |
| nsp_index_write(base, SETARBIT, ARBIT_FLAG_CLEAR); |
| return FALSE; |
| } |
| |
| /* assert select line */ |
| //nsp_dbg(NSP_DEBUG_RESELECTION, "assert SEL line"); |
| SCpnt->SCp.phase = PH_SELSTART; |
| udelay(3); /* wait 2.4us */ |
| nsp_index_write(base, SCSIDATALATCH, BIT(host_id) | BIT(target)); |
| nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_BSY | SCSI_ATN); |
| udelay(2); /* wait >1.2us */ |
| nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_BSY | SCSI_DATAOUT_ENB | SCSI_ATN); |
| nsp_index_write(base, SETARBIT, ARBIT_FLAG_CLEAR); |
| /*udelay(1);*/ /* wait >90ns */ |
| nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_DATAOUT_ENB | SCSI_ATN); |
| |
| /* check selection timeout */ |
| nsp_start_timer(SCpnt, 1000/51); |
| data->SelectionTimeOut = 1; |
| |
| return TRUE; |
| } |
| |
| struct nsp_sync_table { |
| unsigned int min_period; |
| unsigned int max_period; |
| unsigned int chip_period; |
| unsigned int ack_width; |
| }; |
| |
| static struct nsp_sync_table nsp_sync_table_40M[] = { |
| {0x0c, 0x0c, 0x1, 0}, /* 20MB 50ns*/ |
| {0x19, 0x19, 0x3, 1}, /* 10MB 100ns*/ |
| {0x1a, 0x25, 0x5, 2}, /* 7.5MB 150ns*/ |
| {0x26, 0x32, 0x7, 3}, /* 5MB 200ns*/ |
| { 0, 0, 0, 0}, |
| }; |
| |
| static struct nsp_sync_table nsp_sync_table_20M[] = { |
| {0x19, 0x19, 0x1, 0}, /* 10MB 100ns*/ |
| {0x1a, 0x25, 0x2, 0}, /* 7.5MB 150ns*/ |
| {0x26, 0x32, 0x3, 1}, /* 5MB 200ns*/ |
| { 0, 0, 0, 0}, |
| }; |
| |
| /* |
| * setup synchronous data transfer mode |
| */ |
| static int nsp_analyze_sdtr(Scsi_Cmnd *SCpnt) |
| { |
| unsigned char target = scmd_id(SCpnt); |
| // unsigned char lun = SCpnt->device->lun; |
| nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| sync_data *sync = &(data->Sync[target]); |
| struct nsp_sync_table *sync_table; |
| unsigned int period, offset; |
| int i; |
| |
| |
| nsp_dbg(NSP_DEBUG_SYNC, "in"); |
| |
| period = sync->SyncPeriod; |
| offset = sync->SyncOffset; |
| |
| nsp_dbg(NSP_DEBUG_SYNC, "period=0x%x, offset=0x%x", period, offset); |
| |
| if ((data->ScsiClockDiv & (BIT(0)|BIT(1))) == CLOCK_20M) { |
| sync_table = nsp_sync_table_20M; |
| } else { |
| sync_table = nsp_sync_table_40M; |
| } |
| |
| for ( i = 0; sync_table->max_period != 0; i++, sync_table++) { |
| if ( period >= sync_table->min_period && |
| period <= sync_table->max_period ) { |
| break; |
| } |
| } |
| |
| if (period != 0 && sync_table->max_period == 0) { |
| /* |
| * No proper period/offset found |
| */ |
| nsp_dbg(NSP_DEBUG_SYNC, "no proper period/offset"); |
| |
| sync->SyncPeriod = 0; |
| sync->SyncOffset = 0; |
| sync->SyncRegister = 0; |
| sync->AckWidth = 0; |
| |
| return FALSE; |
| } |
| |
| sync->SyncRegister = (sync_table->chip_period << SYNCREG_PERIOD_SHIFT) | |
| (offset & SYNCREG_OFFSET_MASK); |
| sync->AckWidth = sync_table->ack_width; |
| |
| nsp_dbg(NSP_DEBUG_SYNC, "sync_reg=0x%x, ack_width=0x%x", sync->SyncRegister, sync->AckWidth); |
| |
| return TRUE; |
| } |
| |
| |
| /* |
| * start ninja hardware timer |
| */ |
| static void nsp_start_timer(Scsi_Cmnd *SCpnt, int time) |
| { |
| unsigned int base = SCpnt->device->host->io_port; |
| nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| |
| //nsp_dbg(NSP_DEBUG_INTR, "in SCpnt=0x%p, time=%d", SCpnt, time); |
| data->TimerCount = time; |
| nsp_index_write(base, TIMERCOUNT, time); |
| } |
| |
| /* |
| * wait for bus phase change |
| */ |
| static int nsp_negate_signal(Scsi_Cmnd *SCpnt, unsigned char mask, char *str) |
| { |
| unsigned int base = SCpnt->device->host->io_port; |
| unsigned char reg; |
| int time_out; |
| |
| //nsp_dbg(NSP_DEBUG_INTR, "in"); |
| |
| time_out = 100; |
| |
| do { |
| reg = nsp_index_read(base, SCSIBUSMON); |
| if (reg == 0xff) { |
| break; |
| } |
| } while ((time_out-- != 0) && (reg & mask) != 0); |
| |
| if (time_out == 0) { |
| nsp_msg(KERN_DEBUG, " %s signal off timeut", str); |
| } |
| |
| return 0; |
| } |
| |
| /* |
| * expect Ninja Irq |
| */ |
| static int nsp_expect_signal(Scsi_Cmnd *SCpnt, |
| unsigned char current_phase, |
| unsigned char mask) |
| { |
| unsigned int base = SCpnt->device->host->io_port; |
| int time_out; |
| unsigned char phase, i_src; |
| |
| //nsp_dbg(NSP_DEBUG_INTR, "current_phase=0x%x, mask=0x%x", current_phase, mask); |
| |
| time_out = 100; |
| do { |
| phase = nsp_index_read(base, SCSIBUSMON); |
| if (phase == 0xff) { |
| //nsp_dbg(NSP_DEBUG_INTR, "ret -1"); |
| return -1; |
| } |
| i_src = nsp_read(base, IRQSTATUS); |
| if (i_src & IRQSTATUS_SCSI) { |
| //nsp_dbg(NSP_DEBUG_INTR, "ret 0 found scsi signal"); |
| return 0; |
| } |
| if ((phase & mask) != 0 && (phase & BUSMON_PHASE_MASK) == current_phase) { |
| //nsp_dbg(NSP_DEBUG_INTR, "ret 1 phase=0x%x", phase); |
| return 1; |
| } |
| } while(time_out-- != 0); |
| |
| //nsp_dbg(NSP_DEBUG_INTR, "timeout"); |
| return -1; |
| } |
| |
| /* |
| * transfer SCSI message |
| */ |
| static int nsp_xfer(Scsi_Cmnd *SCpnt, int phase) |
| { |
| unsigned int base = SCpnt->device->host->io_port; |
| nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| char *buf = data->MsgBuffer; |
| int len = min(MSGBUF_SIZE, data->MsgLen); |
| int ptr; |
| int ret; |
| |
| //nsp_dbg(NSP_DEBUG_DATA_IO, "in"); |
| for (ptr = 0; len > 0; len--, ptr++) { |
| |
| ret = nsp_expect_signal(SCpnt, phase, BUSMON_REQ); |
| if (ret <= 0) { |
| nsp_dbg(NSP_DEBUG_DATA_IO, "xfer quit"); |
| return 0; |
| } |
| |
| /* if last byte, negate ATN */ |
| if (len == 1 && SCpnt->SCp.phase == PH_MSG_OUT) { |
| nsp_index_write(base, SCSIBUSCTRL, AUTODIRECTION | ACKENB); |
| } |
| |
| /* read & write message */ |
| if (phase & BUSMON_IO) { |
| nsp_dbg(NSP_DEBUG_DATA_IO, "read msg"); |
| buf[ptr] = nsp_index_read(base, SCSIDATAWITHACK); |
| } else { |
| nsp_dbg(NSP_DEBUG_DATA_IO, "write msg"); |
| nsp_index_write(base, SCSIDATAWITHACK, buf[ptr]); |
| } |
| nsp_negate_signal(SCpnt, BUSMON_ACK, "xfer<ack>"); |
| |
| } |
| return len; |
| } |
| |
| /* |
| * get extra SCSI data from fifo |
| */ |
| static int nsp_dataphase_bypass(Scsi_Cmnd *SCpnt) |
| { |
| nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| unsigned int count; |
| |
| //nsp_dbg(NSP_DEBUG_DATA_IO, "in"); |
| |
| if (SCpnt->SCp.have_data_in != IO_IN) { |
| return 0; |
| } |
| |
| count = nsp_fifo_count(SCpnt); |
| if (data->FifoCount == count) { |
| //nsp_dbg(NSP_DEBUG_DATA_IO, "not use bypass quirk"); |
| return 0; |
| } |
| |
| /* |
| * XXX: NSP_QUIRK |
| * data phase skip only occures in case of SCSI_LOW_READ |
| */ |
| nsp_dbg(NSP_DEBUG_DATA_IO, "use bypass quirk"); |
| SCpnt->SCp.phase = PH_DATA; |
| nsp_pio_read(SCpnt); |
| nsp_setup_fifo(data, FALSE); |
| |
| return 0; |
| } |
| |
| /* |
| * accept reselection |
| */ |
| static int nsp_reselected(Scsi_Cmnd *SCpnt) |
| { |
| unsigned int base = SCpnt->device->host->io_port; |
| unsigned int host_id = SCpnt->device->host->this_id; |
| //nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| unsigned char bus_reg; |
| unsigned char id_reg, tmp; |
| int target; |
| |
| nsp_dbg(NSP_DEBUG_RESELECTION, "in"); |
| |
| id_reg = nsp_index_read(base, RESELECTID); |
| tmp = id_reg & (~BIT(host_id)); |
| target = 0; |
| while(tmp != 0) { |
| if (tmp & BIT(0)) { |
| break; |
| } |
| tmp >>= 1; |
| target++; |
| } |
| |
| if (scmd_id(SCpnt) != target) { |
| nsp_msg(KERN_ERR, "XXX: reselect ID must be %d in this implementation.", target); |
| } |
| |
| nsp_negate_signal(SCpnt, BUSMON_SEL, "reselect<SEL>"); |
| |
| nsp_nexus(SCpnt); |
| bus_reg = nsp_index_read(base, SCSIBUSCTRL) & ~(SCSI_BSY | SCSI_ATN); |
| nsp_index_write(base, SCSIBUSCTRL, bus_reg); |
| nsp_index_write(base, SCSIBUSCTRL, bus_reg | AUTODIRECTION | ACKENB); |
| |
| return TRUE; |
| } |
| |
| /* |
| * count how many data transferd |
| */ |
| static int nsp_fifo_count(Scsi_Cmnd *SCpnt) |
| { |
| unsigned int base = SCpnt->device->host->io_port; |
| unsigned int count; |
| unsigned int l, m, h, dummy; |
| |
| nsp_index_write(base, POINTERCLR, POINTER_CLEAR | ACK_COUNTER); |
| |
| l = nsp_index_read(base, TRANSFERCOUNT); |
| m = nsp_index_read(base, TRANSFERCOUNT); |
| h = nsp_index_read(base, TRANSFERCOUNT); |
| dummy = nsp_index_read(base, TRANSFERCOUNT); /* required this! */ |
| |
| count = (h << 16) | (m << 8) | (l << 0); |
| |
| //nsp_dbg(NSP_DEBUG_DATA_IO, "count=0x%x", count); |
| |
| return count; |
| } |
| |
| /* fifo size */ |
| #define RFIFO_CRIT 64 |
| #define WFIFO_CRIT 64 |
| |
| /* |
| * read data in DATA IN phase |
| */ |
| static void nsp_pio_read(Scsi_Cmnd *SCpnt) |
| { |
| unsigned int base = SCpnt->device->host->io_port; |
| unsigned long mmio_base = SCpnt->device->host->base; |
| nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| long time_out; |
| int ocount, res; |
| unsigned char stat, fifo_stat; |
| |
| ocount = data->FifoCount; |
| |
| nsp_dbg(NSP_DEBUG_DATA_IO, "in SCpnt=0x%p resid=%d ocount=%d ptr=0x%p this_residual=%d buffers=0x%p nbuf=%d", |
| SCpnt, SCpnt->resid, ocount, SCpnt->SCp.ptr, SCpnt->SCp.this_residual, SCpnt->SCp.buffer, SCpnt->SCp.buffers_residual); |
| |
| time_out = 1000; |
| |
| while ((time_out-- != 0) && |
| (SCpnt->SCp.this_residual > 0 || SCpnt->SCp.buffers_residual > 0 ) ) { |
| |
| stat = nsp_index_read(base, SCSIBUSMON); |
| stat &= BUSMON_PHASE_MASK; |
| |
| |
| res = nsp_fifo_count(SCpnt) - ocount; |
| //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this=0x%x ocount=0x%x res=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, ocount, res); |
| if (res == 0) { /* if some data avilable ? */ |
| if (stat == BUSPHASE_DATA_IN) { /* phase changed? */ |
| //nsp_dbg(NSP_DEBUG_DATA_IO, " wait for data this=%d", SCpnt->SCp.this_residual); |
| continue; |
| } else { |
| nsp_dbg(NSP_DEBUG_DATA_IO, "phase changed stat=0x%x", stat); |
| break; |
| } |
| } |
| |
| fifo_stat = nsp_read(base, FIFOSTATUS); |
| if ((fifo_stat & FIFOSTATUS_FULL_EMPTY) == 0 && |
| stat == BUSPHASE_DATA_IN) { |
| continue; |
| } |
| |
| res = min(res, SCpnt->SCp.this_residual); |
| |
| switch (data->TransferMode) { |
| case MODE_IO32: |
| res &= ~(BIT(1)|BIT(0)); /* align 4 */ |
| nsp_fifo32_read(base, SCpnt->SCp.ptr, res >> 2); |
| break; |
| case MODE_IO8: |
| nsp_fifo8_read (base, SCpnt->SCp.ptr, res ); |
| break; |
| |
| case MODE_MEM32: |
| res &= ~(BIT(1)|BIT(0)); /* align 4 */ |
| nsp_mmio_fifo32_read(mmio_base, SCpnt->SCp.ptr, res >> 2); |
| break; |
| |
| default: |
| nsp_dbg(NSP_DEBUG_DATA_IO, "unknown read mode"); |
| return; |
| } |
| |
| SCpnt->resid -= res; |
| SCpnt->SCp.ptr += res; |
| SCpnt->SCp.this_residual -= res; |
| ocount += res; |
| //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this_residual=0x%x ocount=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, ocount); |
| |
| /* go to next scatter list if available */ |
| if (SCpnt->SCp.this_residual == 0 && |
| SCpnt->SCp.buffers_residual != 0 ) { |
| //nsp_dbg(NSP_DEBUG_DATA_IO, "scatterlist next timeout=%d", time_out); |
| SCpnt->SCp.buffers_residual--; |
| SCpnt->SCp.buffer++; |
| SCpnt->SCp.ptr = BUFFER_ADDR; |
| SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; |
| time_out = 1000; |
| |
| //nsp_dbg(NSP_DEBUG_DATA_IO, "page: 0x%p, off: 0x%x", SCpnt->SCp.buffer->page, SCpnt->SCp.buffer->offset); |
| } |
| } |
| |
| data->FifoCount = ocount; |
| |
| if (time_out == 0) { |
| nsp_msg(KERN_DEBUG, "pio read timeout resid=%d this_residual=%d buffers_residual=%d", |
| SCpnt->resid, SCpnt->SCp.this_residual, SCpnt->SCp.buffers_residual); |
| } |
| nsp_dbg(NSP_DEBUG_DATA_IO, "read ocount=0x%x", ocount); |
| nsp_dbg(NSP_DEBUG_DATA_IO, "r cmd=%d resid=0x%x\n", data->CmdId, SCpnt->resid); |
| } |
| |
| /* |
| * write data in DATA OUT phase |
| */ |
| static void nsp_pio_write(Scsi_Cmnd *SCpnt) |
| { |
| unsigned int base = SCpnt->device->host->io_port; |
| unsigned long mmio_base = SCpnt->device->host->base; |
| nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| int time_out; |
| int ocount, res; |
| unsigned char stat; |
| |
| ocount = data->FifoCount; |
| |
| nsp_dbg(NSP_DEBUG_DATA_IO, "in fifocount=%d ptr=0x%p this_residual=%d buffers=0x%p nbuf=%d resid=0x%x", |
| data->FifoCount, SCpnt->SCp.ptr, SCpnt->SCp.this_residual, SCpnt->SCp.buffer, SCpnt->SCp.buffers_residual, SCpnt->resid); |
| |
| time_out = 1000; |
| |
| while ((time_out-- != 0) && |
| (SCpnt->SCp.this_residual > 0 || SCpnt->SCp.buffers_residual > 0)) { |
| stat = nsp_index_read(base, SCSIBUSMON); |
| stat &= BUSMON_PHASE_MASK; |
| |
| if (stat != BUSPHASE_DATA_OUT) { |
| res = ocount - nsp_fifo_count(SCpnt); |
| |
| nsp_dbg(NSP_DEBUG_DATA_IO, "phase changed stat=0x%x, res=%d\n", stat, res); |
| /* Put back pointer */ |
| SCpnt->resid += res; |
| SCpnt->SCp.ptr -= res; |
| SCpnt->SCp.this_residual += res; |
| ocount -= res; |
| |
| break; |
| } |
| |
| res = ocount - nsp_fifo_count(SCpnt); |
| if (res > 0) { /* write all data? */ |
| nsp_dbg(NSP_DEBUG_DATA_IO, "wait for all data out. ocount=0x%x res=%d", ocount, res); |
| continue; |
| } |
| |
| res = min(SCpnt->SCp.this_residual, WFIFO_CRIT); |
| |
| //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this=0x%x res=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, res); |
| switch (data->TransferMode) { |
| case MODE_IO32: |
| res &= ~(BIT(1)|BIT(0)); /* align 4 */ |
| nsp_fifo32_write(base, SCpnt->SCp.ptr, res >> 2); |
| break; |
| case MODE_IO8: |
| nsp_fifo8_write (base, SCpnt->SCp.ptr, res ); |
| break; |
| |
| case MODE_MEM32: |
| res &= ~(BIT(1)|BIT(0)); /* align 4 */ |
| nsp_mmio_fifo32_write(mmio_base, SCpnt->SCp.ptr, res >> 2); |
| break; |
| |
| default: |
| nsp_dbg(NSP_DEBUG_DATA_IO, "unknown write mode"); |
| break; |
| } |
| |
| SCpnt->resid -= res; |
| SCpnt->SCp.ptr += res; |
| SCpnt->SCp.this_residual -= res; |
| ocount += res; |
| |
| /* go to next scatter list if available */ |
| if (SCpnt->SCp.this_residual == 0 && |
| SCpnt->SCp.buffers_residual != 0 ) { |
| //nsp_dbg(NSP_DEBUG_DATA_IO, "scatterlist next"); |
| SCpnt->SCp.buffers_residual--; |
| SCpnt->SCp.buffer++; |
| SCpnt->SCp.ptr = BUFFER_ADDR; |
| SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; |
| time_out = 1000; |
| } |
| } |
| |
| data->FifoCount = ocount; |
| |
| if (time_out == 0) { |
| nsp_msg(KERN_DEBUG, "pio write timeout resid=0x%x", SCpnt->resid); |
| } |
| nsp_dbg(NSP_DEBUG_DATA_IO, "write ocount=0x%x", ocount); |
| nsp_dbg(NSP_DEBUG_DATA_IO, "w cmd=%d resid=0x%x\n", data->CmdId, SCpnt->resid); |
| } |
| #undef RFIFO_CRIT |
| #undef WFIFO_CRIT |
| |
| /* |
| * setup synchronous/asynchronous data transfer mode |
| */ |
| static int nsp_nexus(Scsi_Cmnd *SCpnt) |
| { |
| unsigned int base = SCpnt->device->host->io_port; |
| unsigned char target = scmd_id(SCpnt); |
| // unsigned char lun = SCpnt->device->lun; |
| nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| sync_data *sync = &(data->Sync[target]); |
| |
| //nsp_dbg(NSP_DEBUG_DATA_IO, "in SCpnt=0x%p", SCpnt); |
| |
| /* setup synch transfer registers */ |
| nsp_index_write(base, SYNCREG, sync->SyncRegister); |
| nsp_index_write(base, ACKWIDTH, sync->AckWidth); |
| |
| if (SCpnt->use_sg == 0 || |
| SCpnt->resid % 4 != 0 || |
| SCpnt->resid <= PAGE_SIZE ) { |
| data->TransferMode = MODE_IO8; |
| } else if (nsp_burst_mode == BURST_MEM32) { |
| data->TransferMode = MODE_MEM32; |
| } else if (nsp_burst_mode == BURST_IO32) { |
| data->TransferMode = MODE_IO32; |
| } else { |
| data->TransferMode = MODE_IO8; |
| } |
| |
| /* setup pdma fifo */ |
| nsp_setup_fifo(data, TRUE); |
| |
| /* clear ack counter */ |
| data->FifoCount = 0; |
| nsp_index_write(base, POINTERCLR, POINTER_CLEAR | |
| ACK_COUNTER_CLEAR | |
| REQ_COUNTER_CLEAR | |
| HOST_COUNTER_CLEAR); |
| |
| return 0; |
| } |
| |
| #include "nsp_message.c" |
| /* |
| * interrupt handler |
| */ |
| static irqreturn_t nspintr(int irq, void *dev_id, struct pt_regs *regs) |
| { |
| unsigned int base; |
| unsigned char irq_status, irq_phase, phase; |
| Scsi_Cmnd *tmpSC; |
| unsigned char target, lun; |
| unsigned int *sync_neg; |
| int i, tmp; |
| nsp_hw_data *data; |
| |
| |
| //nsp_dbg(NSP_DEBUG_INTR, "dev_id=0x%p", dev_id); |
| //nsp_dbg(NSP_DEBUG_INTR, "host=0x%p", ((scsi_info_t *)dev_id)->host); |
| |
| if ( dev_id != NULL && |
| ((scsi_info_t *)dev_id)->host != NULL ) { |
| scsi_info_t *info = (scsi_info_t *)dev_id; |
| |
| data = (nsp_hw_data *)info->host->hostdata; |
| } else { |
| nsp_dbg(NSP_DEBUG_INTR, "host data wrong"); |
| return IRQ_NONE; |
| } |
| |
| //nsp_dbg(NSP_DEBUG_INTR, "&nsp_data_base=0x%p, dev_id=0x%p", &nsp_data_base, dev_id); |
| |
| base = data->BaseAddress; |
| //nsp_dbg(NSP_DEBUG_INTR, "base=0x%x", base); |
| |
| /* |
| * interrupt check |
| */ |
| nsp_write(base, IRQCONTROL, IRQCONTROL_IRQDISABLE); |
| irq_status = nsp_read(base, IRQSTATUS); |
| //nsp_dbg(NSP_DEBUG_INTR, "irq_status=0x%x", irq_status); |
| if ((irq_status == 0xff) || ((irq_status & IRQSTATUS_MASK) == 0)) { |
| nsp_write(base, IRQCONTROL, 0); |
| //nsp_dbg(NSP_DEBUG_INTR, "no irq/shared irq"); |
| return IRQ_NONE; |
| } |
| |
| /* XXX: IMPORTANT |
| * Do not read an irq_phase register if no scsi phase interrupt. |
| * Unless, you should lose a scsi phase interrupt. |
| */ |
| phase = nsp_index_read(base, SCSIBUSMON); |
| if((irq_status & IRQSTATUS_SCSI) != 0) { |
| irq_phase = nsp_index_read(base, IRQPHASESENCE); |
| } else { |
| irq_phase = 0; |
| } |
| |
| //nsp_dbg(NSP_DEBUG_INTR, "irq_phase=0x%x", irq_phase); |
| |
| /* |
| * timer interrupt handler (scsi vs timer interrupts) |
| */ |
| //nsp_dbg(NSP_DEBUG_INTR, "timercount=%d", data->TimerCount); |
| if (data->TimerCount != 0) { |
| //nsp_dbg(NSP_DEBUG_INTR, "stop timer"); |
| nsp_index_write(base, TIMERCOUNT, 0); |
| nsp_index_write(base, TIMERCOUNT, 0); |
| data->TimerCount = 0; |
| } |
| |
| if ((irq_status & IRQSTATUS_MASK) == IRQSTATUS_TIMER && |
| data->SelectionTimeOut == 0) { |
| //nsp_dbg(NSP_DEBUG_INTR, "timer start"); |
| nsp_write(base, IRQCONTROL, IRQCONTROL_TIMER_CLEAR); |
| return IRQ_HANDLED; |
| } |
| |
| nsp_write(base, IRQCONTROL, IRQCONTROL_TIMER_CLEAR | IRQCONTROL_FIFO_CLEAR); |
| |
| if ((irq_status & IRQSTATUS_SCSI) && |
| (irq_phase & SCSI_RESET_IRQ)) { |
| nsp_msg(KERN_ERR, "bus reset (power off?)"); |
| |
| nsphw_init(data); |
| nsp_bus_reset(data); |
| |
| if(data->CurrentSC != NULL) { |
| tmpSC = data->CurrentSC; |
| tmpSC->result = (DID_RESET << 16) | |
| ((tmpSC->SCp.Message & 0xff) << 8) | |
| ((tmpSC->SCp.Status & 0xff) << 0); |
| nsp_scsi_done(tmpSC); |
| } |
| return IRQ_HANDLED; |
| } |
| |
| if (data->CurrentSC == NULL) { |
| nsp_msg(KERN_ERR, "CurrentSC==NULL irq_status=0x%x phase=0x%x irq_phase=0x%x this can't be happen. reset everything", irq_status, phase, irq_phase); |
| nsphw_init(data); |
| nsp_bus_reset(data); |
| return IRQ_HANDLED; |
| } |
| |
| tmpSC = data->CurrentSC; |
| target = tmpSC->device->id; |
| lun = tmpSC->device->lun; |
| sync_neg = &(data->Sync[target].SyncNegotiation); |
| |
| /* |
| * parse hardware SCSI irq reasons register |
| */ |
| if (irq_status & IRQSTATUS_SCSI) { |
| if (irq_phase & RESELECT_IRQ) { |
| nsp_dbg(NSP_DEBUG_INTR, "reselect"); |
| nsp_write(base, IRQCONTROL, IRQCONTROL_RESELECT_CLEAR); |
| if (nsp_reselected(tmpSC) != FALSE) { |
| return IRQ_HANDLED; |
| } |
| } |
| |
| if ((irq_phase & (PHASE_CHANGE_IRQ | LATCHED_BUS_FREE)) == 0) { |
| return IRQ_HANDLED; |
| } |
| } |
| |
| //show_phase(tmpSC); |
| |
| switch(tmpSC->SCp.phase) { |
| case PH_SELSTART: |
| // *sync_neg = SYNC_NOT_YET; |
| if ((phase & BUSMON_BSY) == 0) { |
| //nsp_dbg(NSP_DEBUG_INTR, "selection count=%d", data->SelectionTimeOut); |
| if (data->SelectionTimeOut >= NSP_SELTIMEOUT) { |
| nsp_dbg(NSP_DEBUG_INTR, "selection time out"); |
| data->SelectionTimeOut = 0; |
| nsp_index_write(base, SCSIBUSCTRL, 0); |
| |
| tmpSC->result = DID_TIME_OUT << 16; |
| nsp_scsi_done(tmpSC); |
| |
| return IRQ_HANDLED; |
| } |
| data->SelectionTimeOut += 1; |
| nsp_start_timer(tmpSC, 1000/51); |
| return IRQ_HANDLED; |
| } |
| |
| /* attention assert */ |
| //nsp_dbg(NSP_DEBUG_INTR, "attention assert"); |
| data->SelectionTimeOut = 0; |
| tmpSC->SCp.phase = PH_SELECTED; |
| nsp_index_write(base, SCSIBUSCTRL, SCSI_ATN); |
| udelay(1); |
| nsp_index_write(base, SCSIBUSCTRL, SCSI_ATN | AUTODIRECTION | ACKENB); |
| return IRQ_HANDLED; |
| |
| break; |
| |
| case PH_RESELECT: |
| //nsp_dbg(NSP_DEBUG_INTR, "phase reselect"); |
| // *sync_neg = SYNC_NOT_YET; |
| if ((phase & BUSMON_PHASE_MASK) != BUSPHASE_MESSAGE_IN) { |
| |
| tmpSC->result = DID_ABORT << 16; |
| nsp_scsi_done(tmpSC); |
| return IRQ_HANDLED; |
| } |
| /* fall thru */ |
| default: |
| if ((irq_status & (IRQSTATUS_SCSI | IRQSTATUS_FIFO)) == 0) { |
| return IRQ_HANDLED; |
| } |
| break; |
| } |
| |
| /* |
| * SCSI sequencer |
| */ |
| //nsp_dbg(NSP_DEBUG_INTR, "start scsi seq"); |
| |
| /* normal disconnect */ |
| if (((tmpSC->SCp.phase == PH_MSG_IN) || (tmpSC->SCp.phase == PH_MSG_OUT)) && |
| (irq_phase & LATCHED_BUS_FREE) != 0 ) { |
| nsp_dbg(NSP_DEBUG_INTR, "normal disconnect irq_status=0x%x, phase=0x%x, irq_phase=0x%x", irq_status, phase, irq_phase); |
| |
| //*sync_neg = SYNC_NOT_YET; |
| |
| if ((tmpSC->SCp.Message == MSG_COMMAND_COMPLETE)) { /* all command complete and return status */ |
| tmpSC->result = (DID_OK << 16) | |
| ((tmpSC->SCp.Message & 0xff) << 8) | |
| ((tmpSC->SCp.Status & 0xff) << 0); |
| nsp_dbg(NSP_DEBUG_INTR, "command complete result=0x%x", tmpSC->result); |
| nsp_scsi_done(tmpSC); |
| |
| return IRQ_HANDLED; |
| } |
| |
| return IRQ_HANDLED; |
| } |
| |
| |
| /* check unexpected bus free state */ |
| if (phase == 0) { |
| nsp_msg(KERN_DEBUG, "unexpected bus free. irq_status=0x%x, phase=0x%x, irq_phase=0x%x", irq_status, phase, irq_phase); |
| |
| *sync_neg = SYNC_NG; |
| tmpSC->result = DID_ERROR << 16; |
| nsp_scsi_done(tmpSC); |
| return IRQ_HANDLED; |
| } |
| |
| switch (phase & BUSMON_PHASE_MASK) { |
| case BUSPHASE_COMMAND: |
| nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_COMMAND"); |
| if ((phase & BUSMON_REQ) == 0) { |
| nsp_dbg(NSP_DEBUG_INTR, "REQ == 0"); |
| return IRQ_HANDLED; |
| } |
| |
| tmpSC->SCp.phase = PH_COMMAND; |
| |
| nsp_nexus(tmpSC); |
| |
| /* write scsi command */ |
| nsp_dbg(NSP_DEBUG_INTR, "cmd_len=%d", tmpSC->cmd_len); |
| nsp_index_write(base, COMMANDCTRL, CLEAR_COMMAND_POINTER); |
| for (i = 0; i < tmpSC->cmd_len; i++) { |
| nsp_index_write(base, COMMANDDATA, tmpSC->cmnd[i]); |
| } |
| nsp_index_write(base, COMMANDCTRL, CLEAR_COMMAND_POINTER | AUTO_COMMAND_GO); |
| break; |
| |
| case BUSPHASE_DATA_OUT: |
| nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_DATA_OUT"); |
| |
| tmpSC->SCp.phase = PH_DATA; |
| tmpSC->SCp.have_data_in = IO_OUT; |
| |
| nsp_pio_write(tmpSC); |
| |
| break; |
| |
| case BUSPHASE_DATA_IN: |
| nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_DATA_IN"); |
| |
| tmpSC->SCp.phase = PH_DATA; |
| tmpSC->SCp.have_data_in = IO_IN; |
| |
| nsp_pio_read(tmpSC); |
| |
| break; |
| |
| case BUSPHASE_STATUS: |
| nsp_dataphase_bypass(tmpSC); |
| nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_STATUS"); |
| |
| tmpSC->SCp.phase = PH_STATUS; |
| |
| tmpSC->SCp.Status = nsp_index_read(base, SCSIDATAWITHACK); |
| nsp_dbg(NSP_DEBUG_INTR, "message=0x%x status=0x%x", tmpSC->SCp.Message, tmpSC->SCp.Status); |
| |
| break; |
| |
| case BUSPHASE_MESSAGE_OUT: |
| nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_MESSAGE_OUT"); |
| if ((phase & BUSMON_REQ) == 0) { |
| goto timer_out; |
| } |
| |
| tmpSC->SCp.phase = PH_MSG_OUT; |
| |
| //*sync_neg = SYNC_NOT_YET; |
| |
| data->MsgLen = i = 0; |
| data->MsgBuffer[i] = IDENTIFY(TRUE, lun); i++; |
| |
| if (*sync_neg == SYNC_NOT_YET) { |
| data->Sync[target].SyncPeriod = 0; |
| data->Sync[target].SyncOffset = 0; |
| |
| /**/ |
| data->MsgBuffer[i] = MSG_EXTENDED; i++; |
| data->MsgBuffer[i] = 3; i++; |
| data->MsgBuffer[i] = MSG_EXT_SDTR; i++; |
| data->MsgBuffer[i] = 0x0c; i++; |
| data->MsgBuffer[i] = 15; i++; |
| /**/ |
| } |
| data->MsgLen = i; |
| |
| nsp_analyze_sdtr(tmpSC); |
| show_message(data); |
| nsp_message_out(tmpSC); |
| break; |
| |
| case BUSPHASE_MESSAGE_IN: |
| nsp_dataphase_bypass(tmpSC); |
| nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_MESSAGE_IN"); |
| if ((phase & BUSMON_REQ) == 0) { |
| goto timer_out; |
| } |
| |
| tmpSC->SCp.phase = PH_MSG_IN; |
| nsp_message_in(tmpSC); |
| |
| /**/ |
| if (*sync_neg == SYNC_NOT_YET) { |
| //nsp_dbg(NSP_DEBUG_INTR, "sync target=%d,lun=%d",target,lun); |
| |
| if (data->MsgLen >= 5 && |
| data->MsgBuffer[0] == MSG_EXTENDED && |
| data->MsgBuffer[1] == 3 && |
| data->MsgBuffer[2] == MSG_EXT_SDTR ) { |
| data->Sync[target].SyncPeriod = data->MsgBuffer[3]; |
| data->Sync[target].SyncOffset = data->MsgBuffer[4]; |
| //nsp_dbg(NSP_DEBUG_INTR, "sync ok, %d %d", data->MsgBuffer[3], data->MsgBuffer[4]); |
| *sync_neg = SYNC_OK; |
| } else { |
| data->Sync[target].SyncPeriod = 0; |
| data->Sync[target].SyncOffset = 0; |
| *sync_neg = SYNC_NG; |
| } |
| nsp_analyze_sdtr(tmpSC); |
| } |
| /**/ |
| |
| /* search last messeage byte */ |
| tmp = -1; |
| for (i = 0; i < data->MsgLen; i++) { |
| tmp = data->MsgBuffer[i]; |
| if (data->MsgBuffer[i] == MSG_EXTENDED) { |
| i += (1 + data->MsgBuffer[i+1]); |
| } |
| } |
| tmpSC->SCp.Message = tmp; |
| |
| nsp_dbg(NSP_DEBUG_INTR, "message=0x%x len=%d", tmpSC->SCp.Message, data->MsgLen); |
| show_message(data); |
| |
| break; |
| |
| case BUSPHASE_SELECT: |
| default: |
| nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE other"); |
| |
| break; |
| } |
| |
| //nsp_dbg(NSP_DEBUG_INTR, "out"); |
| return IRQ_HANDLED; |
| |
| timer_out: |
| nsp_start_timer(tmpSC, 1000/102); |
| return IRQ_HANDLED; |
| } |
| |
| #ifdef NSP_DEBUG |
| #include "nsp_debug.c" |
| #endif /* NSP_DEBUG */ |
| |
| /*----------------------------------------------------------------*/ |
| /* look for ninja3 card and init if found */ |
| /*----------------------------------------------------------------*/ |
| static struct Scsi_Host *nsp_detect(struct scsi_host_template *sht) |
| { |
| struct Scsi_Host *host; /* registered host structure */ |
| nsp_hw_data *data_b = &nsp_data_base, *data; |
| |
| nsp_dbg(NSP_DEBUG_INIT, "this_id=%d", sht->this_id); |
| #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73)) |
| host = scsi_host_alloc(&nsp_driver_template, sizeof(nsp_hw_data)); |
| #else |
| host = scsi_register(sht, sizeof(nsp_hw_data)); |
| #endif |
| if (host == NULL) { |
| nsp_dbg(NSP_DEBUG_INIT, "host failed"); |
| return NULL; |
| } |
| |
| memcpy(host->hostdata, data_b, sizeof(nsp_hw_data)); |
| data = (nsp_hw_data *)host->hostdata; |
| data->ScsiInfo->host = host; |
| #ifdef NSP_DEBUG |
| data->CmdId = 0; |
| #endif |
| |
| nsp_dbg(NSP_DEBUG_INIT, "irq=%d,%d", data_b->IrqNumber, ((nsp_hw_data *)host->hostdata)->IrqNumber); |
| |
| host->unique_id = data->BaseAddress; |
| host->io_port = data->BaseAddress; |
| host->n_io_port = data->NumAddress; |
| host->irq = data->IrqNumber; |
| host->base = data->MmioAddress; |
| |
| spin_lock_init(&(data->Lock)); |
| |
| snprintf(data->nspinfo, |
| sizeof(data->nspinfo), |
| "NinjaSCSI-3/32Bi Driver $Revision: 1.23 $ IO:0x%04lx-0x%04lx MMIO(virt addr):0x%04lx IRQ:%02d", |
| host->io_port, host->io_port + host->n_io_port - 1, |
| host->base, |
| host->irq); |
| sht->name = data->nspinfo; |
| |
| nsp_dbg(NSP_DEBUG_INIT, "end"); |
| |
| |
| return host; /* detect done. */ |
| } |
| |
| #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) |
| static int nsp_detect_old(struct scsi_host_template *sht) |
| { |
| if (nsp_detect(sht) == NULL) { |
| return 0; |
| } else { |
| //MOD_INC_USE_COUNT; |
| return 1; |
| } |
| } |
| |
| |
| static int nsp_release_old(struct Scsi_Host *shpnt) |
| { |
| //nsp_hw_data *data = (nsp_hw_data *)shpnt->hostdata; |
| |
| /* PCMCIA Card Service dose same things below. */ |
| /* So we do nothing. */ |
| //if (shpnt->irq) { |
| // free_irq(shpnt->irq, data->ScsiInfo); |
| //} |
| //if (shpnt->io_port) { |
| // release_region(shpnt->io_port, shpnt->n_io_port); |
| //} |
| |
| //MOD_DEC_USE_COUNT; |
| |
| return 0; |
| } |
| #endif |
| |
| /*----------------------------------------------------------------*/ |
| /* return info string */ |
| /*----------------------------------------------------------------*/ |
| static const char *nsp_info(struct Scsi_Host *shpnt) |
| { |
| nsp_hw_data *data = (nsp_hw_data *)shpnt->hostdata; |
| |
| return data->nspinfo; |
| } |
| |
| #undef SPRINTF |
| #define SPRINTF(args...) \ |
| do { \ |
| if(length > (pos - buffer)) { \ |
| pos += snprintf(pos, length - (pos - buffer) + 1, ## args); \ |
| nsp_dbg(NSP_DEBUG_PROC, "buffer=0x%p pos=0x%p length=%d %d\n", buffer, pos, length, length - (pos - buffer));\ |
| } \ |
| } while(0) |
| static int |
| nsp_proc_info( |
| #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73)) |
| struct Scsi_Host *host, |
| #endif |
| char *buffer, |
| char **start, |
| off_t offset, |
| int length, |
| #if !(LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73)) |
| int hostno, |
| #endif |
| int inout) |
| { |
| int id; |
| char *pos = buffer; |
| int thislength; |
| int speed; |
| unsigned long flags; |
| nsp_hw_data *data; |
| #if !(LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73)) |
| struct Scsi_Host *host; |
| #else |
| int hostno; |
| #endif |
| if (inout) { |
| return -EINVAL; |
| } |
| |
| #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73)) |
| hostno = host->host_no; |
| #else |
| /* search this HBA host */ |
| host = scsi_host_hn_get(hostno); |
| if (host == NULL) { |
| return -ESRCH; |
| } |
| #endif |
| data = (nsp_hw_data *)host->hostdata; |
| |
| |
| SPRINTF("NinjaSCSI status\n\n"); |
| SPRINTF("Driver version: $Revision: 1.23 $\n"); |
| SPRINTF("SCSI host No.: %d\n", hostno); |
| SPRINTF("IRQ: %d\n", host->irq); |
| SPRINTF("IO: 0x%lx-0x%lx\n", host->io_port, host->io_port + host->n_io_port - 1); |
| SPRINTF("MMIO(virtual address): 0x%lx-0x%lx\n", host->base, host->base + data->MmioLength - 1); |
| SPRINTF("sg_tablesize: %d\n", host->sg_tablesize); |
| |
| SPRINTF("burst transfer mode: "); |
| switch (nsp_burst_mode) { |
| case BURST_IO8: |
| SPRINTF("io8"); |
| break; |
| case BURST_IO32: |
| SPRINTF("io32"); |
| break; |
| case BURST_MEM32: |
| SPRINTF("mem32"); |
| break; |
| default: |
| SPRINTF("???"); |
| break; |
| } |
| SPRINTF("\n"); |
| |
| |
| spin_lock_irqsave(&(data->Lock), flags); |
| SPRINTF("CurrentSC: 0x%p\n\n", data->CurrentSC); |
| spin_unlock_irqrestore(&(data->Lock), flags); |
| |
| SPRINTF("SDTR status\n"); |
| for(id = 0; id < ARRAY_SIZE(data->Sync); id++) { |
| |
| SPRINTF("id %d: ", id); |
| |
| if (id == host->this_id) { |
| SPRINTF("----- NinjaSCSI-3 host adapter\n"); |
| continue; |
| } |
| |
| switch(data->Sync[id].SyncNegotiation) { |
| case SYNC_OK: |
| SPRINTF(" sync"); |
| break; |
| case SYNC_NG: |
| SPRINTF("async"); |
| break; |
| case SYNC_NOT_YET: |
| SPRINTF(" none"); |
| break; |
| default: |
| SPRINTF("?????"); |
| break; |
| } |
| |
| if (data->Sync[id].SyncPeriod != 0) { |
| speed = 1000000 / (data->Sync[id].SyncPeriod * 4); |
| |
| SPRINTF(" transfer %d.%dMB/s, offset %d", |
| speed / 1000, |
| speed % 1000, |
| data->Sync[id].SyncOffset |
| ); |
| } |
| SPRINTF("\n"); |
| } |
| |
| thislength = pos - (buffer + offset); |
| |
| if(thislength < 0) { |
| *start = NULL; |
| return 0; |
| } |
| |
| |
| thislength = min(thislength, length); |
| *start = buffer + offset; |
| |
| return thislength; |
| } |
| #undef SPRINTF |
| |
| /*---------------------------------------------------------------*/ |
| /* error handler */ |
| /*---------------------------------------------------------------*/ |
| |
| /* |
| static int nsp_eh_abort(Scsi_Cmnd *SCpnt) |
| { |
| nsp_dbg(NSP_DEBUG_BUSRESET, "SCpnt=0x%p", SCpnt); |
| |
| return nsp_eh_bus_reset(SCpnt); |
| }*/ |
| |
| static int nsp_bus_reset(nsp_hw_data *data) |
| { |
| unsigned int base = data->BaseAddress; |
| int i; |
| |
| nsp_write(base, IRQCONTROL, IRQCONTROL_ALLMASK); |
| |
| nsp_index_write(base, SCSIBUSCTRL, SCSI_RST); |
| mdelay(100); /* 100ms */ |
| nsp_index_write(base, SCSIBUSCTRL, 0); |
| for(i = 0; i < 5; i++) { |
| nsp_index_read(base, IRQPHASESENCE); /* dummy read */ |
| } |
| |
| nsphw_init_sync(data); |
| |
| nsp_write(base, IRQCONTROL, IRQCONTROL_ALLCLEAR); |
| |
| return SUCCESS; |
| } |
| |
| static int nsp_eh_bus_reset(Scsi_Cmnd *SCpnt) |
| { |
| nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| |
| nsp_dbg(NSP_DEBUG_BUSRESET, "SCpnt=0x%p", SCpnt); |
| |
| return nsp_bus_reset(data); |
| } |
| |
| static int nsp_eh_host_reset(Scsi_Cmnd *SCpnt) |
| { |
| nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
| |
| nsp_dbg(NSP_DEBUG_BUSRESET, "in"); |
| |
| nsphw_init(data); |
| |
| return SUCCESS; |
| } |
| |
| |
| /********************************************************************** |
| PCMCIA functions |
| **********************************************************************/ |
| |
| /*====================================================================== |
| nsp_cs_attach() creates an "instance" of the driver, allocating |
| local data structures for one device. The device is registered |
| with Card Services. |
| |
| The dev_link structure is initialized, but we don't actually |
| configure the card at this point -- we wait until we receive a |
| card insertion event. |
| ======================================================================*/ |
| static int nsp_cs_attach(struct pcmcia_device *p_dev) |
| { |
| scsi_info_t *info; |
| dev_link_t *link; |
| nsp_hw_data *data = &nsp_data_base; |
| |
| nsp_dbg(NSP_DEBUG_INIT, "in"); |
| |
| /* Create new SCSI device */ |
| info = kmalloc(sizeof(*info), GFP_KERNEL); |
| if (info == NULL) { return -ENOMEM; } |
| memset(info, 0, sizeof(*info)); |
| link = &info->link; |
| link->priv = info; |
| data->ScsiInfo = info; |
| |
| nsp_dbg(NSP_DEBUG_INIT, "info=0x%p", info); |
| |
| /* The io structure describes IO port mapping */ |
| link->io.NumPorts1 = 0x10; |
| link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; |
| link->io.IOAddrLines = 10; /* not used */ |
| |
| /* Interrupt setup */ |
| link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; |
| link->irq.IRQInfo1 = IRQ_LEVEL_ID; |
| |
| /* Interrupt handler */ |
| link->irq.Handler = &nspintr; |
| link->irq.Instance = info; |
| link->irq.Attributes |= (SA_SHIRQ | SA_SAMPLE_RANDOM); |
| |
| /* General socket configuration */ |
| link->conf.Attributes = CONF_ENABLE_IRQ; |
| link->conf.Vcc = 50; |
| link->conf.IntType = INT_MEMORY_AND_IO; |
| link->conf.Present = PRESENT_OPTION; |
| |
| link->handle = p_dev; |
| p_dev->instance = link; |
| |
| link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; |
| nsp_cs_config(link); |
| |
| nsp_dbg(NSP_DEBUG_INIT, "link=0x%p", link); |
| return 0; |
| } /* nsp_cs_attach */ |
| |
| |
| /*====================================================================== |
| This deletes a driver "instance". The device is de-registered |
| with Card Services. If it has been released, all local data |
| structures are freed. Otherwise, the structures will be freed |
| when the device is released. |
| ======================================================================*/ |
| static void nsp_cs_detach(struct pcmcia_device *p_dev) |
| { |
| dev_link_t *link = dev_to_instance(p_dev); |
| |
| nsp_dbg(NSP_DEBUG_INIT, "in, link=0x%p", link); |
| |
| if (link->state & DEV_CONFIG) { |
| ((scsi_info_t *)link->priv)->stop = 1; |
| nsp_cs_release(link); |
| } |
| |
| kfree(link->priv); |
| link->priv = NULL; |
| } /* nsp_cs_detach */ |
| |
| |
| /*====================================================================== |
| nsp_cs_config() is scheduled to run after a CARD_INSERTION event |
| is received, to configure the PCMCIA socket, and to make the |
| ethernet device available to the system. |
| ======================================================================*/ |
| #define CS_CHECK(fn, ret) \ |
| do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) |
| /*====================================================================*/ |
| static void nsp_cs_config(dev_link_t *link) |
| { |
| client_handle_t handle = link->handle; |
| scsi_info_t *info = link->priv; |
| tuple_t tuple; |
| cisparse_t parse; |
| int last_ret, last_fn; |
| unsigned char tuple_data[64]; |
| config_info_t conf; |
| win_req_t req; |
| memreq_t map; |
| cistpl_cftable_entry_t dflt = { 0 }; |
| struct Scsi_Host *host; |
| nsp_hw_data *data = &nsp_data_base; |
| #if !(LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,74)) |
| struct scsi_device *dev; |
| dev_node_t **tail, *node; |
| #endif |
| |
| nsp_dbg(NSP_DEBUG_INIT, "in"); |
| |
| tuple.DesiredTuple = CISTPL_CONFIG; |
| tuple.Attributes = 0; |
| tuple.TupleData = tuple_data; |
| tuple.TupleDataMax = sizeof(tuple_data); |
| tuple.TupleOffset = 0; |
| CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); |
| CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); |
| CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); |
| link->conf.ConfigBase = parse.config.base; |
| link->conf.Present = parse.config.rmask[0]; |
| |
| /* Configure card */ |
| link->state |= DEV_CONFIG; |
| |
| /* Look up the current Vcc */ |
| CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &conf)); |
| link->conf.Vcc = conf.Vcc; |
| |
| tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; |
| CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); |
| while (1) { |
| cistpl_cftable_entry_t *cfg = &(parse.cftable_entry); |
| |
| if (pcmcia_get_tuple_data(handle, &tuple) != 0 || |
| pcmcia_parse_tuple(handle, &tuple, &parse) != 0) |
| goto next_entry; |
| |
| if (cfg->flags & CISTPL_CFTABLE_DEFAULT) { dflt = *cfg; } |
| if (cfg->index == 0) { goto next_entry; } |
| link->conf.ConfigIndex = cfg->index; |
| |
| /* Does this card need audio output? */ |
| if (cfg->flags & CISTPL_CFTABLE_AUDIO) { |
| link->conf.Attributes |= CONF_ENABLE_SPKR; |
| link->conf.Status = CCSR_AUDIO_ENA; |
| } |
| |
| /* Use power settings for Vcc and Vpp if present */ |
| /* Note that the CIS values need to be rescaled */ |
| if (cfg->vcc.present & (1<<CISTPL_POWER_VNOM)) { |
| if (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM]/10000) { |
| goto next_entry; |
| } |
| } else if (dflt.vcc.present & (1<<CISTPL_POWER_VNOM)) { |
| if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM]/10000) { |
| goto next_entry; |
| } |
| } |
| |
| if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM)) { |
| link->conf.Vpp1 = link->conf.Vpp2 = |
| cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000; |
| } else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM)) { |
| link->conf.Vpp1 = link->conf.Vpp2 = |
| dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000; |
| } |
| |
| /* Do we need to allocate an interrupt? */ |
| if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1) { |
| link->conf.Attributes |= CONF_ENABLE_IRQ; |
| } |
| |
| /* IO window settings */ |
| link->io.NumPorts1 = link->io.NumPorts2 = 0; |
| if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) { |
| cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io; |
| link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; |
| if (!(io->flags & CISTPL_IO_8BIT)) |
| link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; |
| if (!(io->flags & CISTPL_IO_16BIT)) |
| link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; |
| link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK; |
| link->io.BasePort1 = io->win[0].base; |
| link->io.NumPorts1 = io->win[0].len; |
| if (io->nwin > 1) { |
| link->io.Attributes2 = link->io.Attributes1; |
| link->io.BasePort2 = io->win[1].base; |
| link->io.NumPorts2 = io->win[1].len; |
| } |
| /* This reserves IO space but doesn't actually enable it */ |
| if (pcmcia_request_io(link->handle, &link->io) != 0) |
| goto next_entry; |
| } |
| |
| if ((cfg->mem.nwin > 0) || (dflt.mem.nwin > 0)) { |
| cistpl_mem_t *mem = |
| (cfg->mem.nwin) ? &cfg->mem : &dflt.mem; |
| req.Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM; |
| req.Attributes |= WIN_ENABLE; |
| req.Base = mem->win[0].host_addr; |
| req.Size = mem->win[0].len; |
| if (req.Size < 0x1000) { |
| req.Size = 0x1000; |
| } |
| req.AccessSpeed = 0; |
| if (pcmcia_request_window(&link->handle, &req, &link->win) != 0) |
| goto next_entry; |
| map.Page = 0; map.CardOffset = mem->win[0].card_addr; |
| if (pcmcia_map_mem_page(link->win, &map) != 0) |
| goto next_entry; |
| |
| data->MmioAddress = (unsigned long)ioremap_nocache(req.Base, req.Size); |
| data->MmioLength = req.Size; |
| } |
| /* If we got this far, we're cool! */ |
| break; |
| |
| next_entry: |
| nsp_dbg(NSP_DEBUG_INIT, "next"); |
| pcmcia_disable_device(handle); |
| CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple)); |
| } |
| |
| if (link->conf.Attributes & CONF_ENABLE_IRQ) { |
| CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq)); |
| } |
| CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf)); |
| |
| if (free_ports) { |
| if (link->io.BasePort1) { |
| release_region(link->io.BasePort1, link->io.NumPorts1); |
| } |
| if (link->io.BasePort2) { |
| release_region(link->io.BasePort2, link->io.NumPorts2); |
| } |
| } |
| |
| /* Set port and IRQ */ |
| data->BaseAddress = link->io.BasePort1; |
| data->NumAddress = link->io.NumPorts1; |
| data->IrqNumber = link->irq.AssignedIRQ; |
| |
| nsp_dbg(NSP_DEBUG_INIT, "I/O[0x%x+0x%x] IRQ %d", |
| data->BaseAddress, data->NumAddress, data->IrqNumber); |
| |
| if(nsphw_init(data) == FALSE) { |
| goto cs_failed; |
| } |
| |
| #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,2)) |
| host = nsp_detect(&nsp_driver_template); |
| #else |
| scsi_register_host(&nsp_driver_template); |
| for (host = scsi_host_get_next(NULL); host != NULL; |
| host = scsi_host_get_next(host)) { |
| if (host->hostt == &nsp_driver_template) { |
| break; |
| } |
| } |
| #endif |
| |
| if (host == NULL) { |
| nsp_dbg(NSP_DEBUG_INIT, "detect failed"); |
| goto cs_failed; |
| } |
| |
| |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,74)) |
| scsi_add_host (host, NULL); |
| scsi_scan_host(host); |
| |
| snprintf(info->node.dev_name, sizeof(info->node.dev_name), "scsi%d", host->host_no); |
| link->dev = &info->node; |
| info->host = host; |
| |
| #else |
| nsp_dbg(NSP_DEBUG_INIT, "GET_SCSI_INFO"); |
| tail = &link->dev; |
| info->ndev = 0; |
| |
| nsp_dbg(NSP_DEBUG_INIT, "host=0x%p", host); |
| |
| for (dev = host->host_queue; dev != NULL; dev = dev->next) { |
| unsigned long id; |
| id = (dev->id & 0x0f) + ((dev->lun & 0x0f) << 4) + |
| ((dev->channel & 0x0f) << 8) + |
| ((dev->host->host_no & 0x0f) << 12); |
| node = &info->node[info->ndev]; |
| node->minor = 0; |
| switch (dev->type) { |
| case TYPE_TAPE: |
| node->major = SCSI_TAPE_MAJOR; |
| snprintf(node->dev_name, sizeof(node->dev_name), "st#%04lx", id); |
| break; |
| case TYPE_DISK: |
| case TYPE_MOD: |
| node->major = SCSI_DISK0_MAJOR; |
| snprintf(node->dev_name, sizeof(node->dev_name), "sd#%04lx", id); |
| break; |
| case TYPE_ROM: |
| case TYPE_WORM: |
| node->major = SCSI_CDROM_MAJOR; |
| snprintf(node->dev_name, sizeof(node->dev_name), "sr#%04lx", id); |
| break; |
| default: |
| node->major = SCSI_GENERIC_MAJOR; |
| snprintf(node->dev_name, sizeof(node->dev_name), "sg#%04lx", id); |
| break; |
| } |
| *tail = node; tail = &node->next; |
| info->ndev++; |
| info->host = dev->host; |
| } |
| |
| *tail = NULL; |
| if (info->ndev == 0) { |
| nsp_msg(KERN_INFO, "no SCSI devices found"); |
| } |
| nsp_dbg(NSP_DEBUG_INIT, "host=0x%p", host); |
| #endif |
| |
| /* Finally, report what we've done */ |
| printk(KERN_INFO "nsp_cs: index 0x%02x: Vcc %d.%d", |
| link->conf.ConfigIndex, |
| link->conf.Vcc/10, link->conf.Vcc%10); |
| if (link->conf.Vpp1) { |
| printk(", Vpp %d.%d", link->conf.Vpp1/10, link->conf.Vpp1%10); |
| } |
| if (link->conf.Attributes & CONF_ENABLE_IRQ) { |
| printk(", irq %d", link->irq.AssignedIRQ); |
| } |
| if (link->io.NumPorts1) { |
| printk(", io 0x%04x-0x%04x", link->io.BasePort1, |
| link->io.BasePort1+link->io.NumPorts1-1); |
| } |
| if (link->io.NumPorts2) |
| printk(" & 0x%04x-0x%04x", link->io.BasePort2, |
| link->io.BasePort2+link->io.NumPorts2-1); |
| if (link->win) |
| printk(", mem 0x%06lx-0x%06lx", req.Base, |
| req.Base+req.Size-1); |
| printk("\n"); |
| |
| link->state &= ~DEV_CONFIG_PENDING; |
| return; |
| |
| cs_failed: |
| nsp_dbg(NSP_DEBUG_INIT, "config fail"); |
| cs_error(link->handle, last_fn, last_ret); |
| nsp_cs_release(link); |
| |
| return; |
| } /* nsp_cs_config */ |
| #undef CS_CHECK |
| |
| |
| /*====================================================================== |
| After a card is removed, nsp_cs_release() will unregister the net |
| device, and release the PCMCIA configuration. If the device is |
| still open, this will be postponed until it is closed. |
| ======================================================================*/ |
| static void nsp_cs_release(dev_link_t *link) |
| { |
| scsi_info_t *info = link->priv; |
| nsp_hw_data *data = NULL; |
| |
| if (info->host == NULL) { |
| nsp_msg(KERN_DEBUG, "unexpected card release call."); |
| } else { |
| data = (nsp_hw_data *)info->host->hostdata; |
| } |
| |
| nsp_dbg(NSP_DEBUG_INIT, "link=0x%p", link); |
| |
| /* Unlink the device chain */ |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,2)) |
| if (info->host != NULL) { |
| scsi_remove_host(info->host); |
| } |
| #else |
| scsi_unregister_host(&nsp_driver_template); |
| #endif |
| link->dev = NULL; |
| |
| if (link->win) { |
| if (data != NULL) { |
| iounmap((void *)(data->MmioAddress)); |
| } |
| } |
| pcmcia_disable_device(link->handle); |
| |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,2)) |
| if (info->host != NULL) { |
| scsi_host_put(info->host); |
| } |
| #endif |
| } /* nsp_cs_release */ |
| |
| static int nsp_cs_suspend(struct pcmcia_device *dev) |
| { |
| dev_link_t *link = dev_to_instance(dev); |
| scsi_info_t *info = link->priv; |
| nsp_hw_data *data; |
| |
| link->state |= DEV_SUSPEND; |
| |
| nsp_dbg(NSP_DEBUG_INIT, "event: suspend"); |
| |
| if (info->host != NULL) { |
| nsp_msg(KERN_INFO, "clear SDTR status"); |
| |
| data = (nsp_hw_data *)info->host->hostdata; |
| |
| nsphw_init_sync(data); |
| } |
| |
| info->stop = 1; |
| |
| if (link->state & DEV_CONFIG) |
| pcmcia_release_configuration(link->handle); |
| |
| return 0; |
| } |
| |
| static int nsp_cs_resume(struct pcmcia_device *dev) |
| { |
| dev_link_t *link = dev_to_instance(dev); |
| scsi_info_t *info = link->priv; |
| nsp_hw_data *data; |
| |
| nsp_dbg(NSP_DEBUG_INIT, "event: resume"); |
| |
| link->state &= ~DEV_SUSPEND; |
| |
| if (link->state & DEV_CONFIG) |
| pcmcia_request_configuration(link->handle, &link->conf); |
| |
| info->stop = 0; |
| |
| if (info->host != NULL) { |
| nsp_msg(KERN_INFO, "reset host and bus"); |
| |
| data = (nsp_hw_data *)info->host->hostdata; |
| |
| nsphw_init (data); |
| nsp_bus_reset(data); |
| } |
| |
| return 0; |
| } |
| |
| /*======================================================================* |
| * module entry point |
| *====================================================================*/ |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,68)) |
| static struct pcmcia_device_id nsp_cs_ids[] = { |
| PCMCIA_DEVICE_PROD_ID123("IO DATA", "CBSC16 ", "1", 0x547e66dc, 0x0d63a3fd, 0x51de003a), |
| PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-001", "1", 0x534c02bc, 0x52008408, 0x51de003a), |
| PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-002", "1", 0x534c02bc, 0xcb09d5b2, 0x51de003a), |
| PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-003", "1", 0x534c02bc, 0xbc0ee524, 0x51de003a), |
| PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-004", "1", 0x534c02bc, 0x226a7087, 0x51de003a), |
| PCMCIA_DEVICE_PROD_ID123("WBT", "NinjaSCSI-3", "R1.0", 0xc7ba805f, 0xfdc7c97d, 0x6973710e), |
| PCMCIA_DEVICE_PROD_ID123("WORKBIT", "UltraNinja-16", "1", 0x28191418, 0xb70f4b09, 0x51de003a), |
| PCMCIA_DEVICE_NULL |
| }; |
| MODULE_DEVICE_TABLE(pcmcia, nsp_cs_ids); |
| |
| static struct pcmcia_driver nsp_driver = { |
| .owner = THIS_MODULE, |
| .drv = { |
| .name = "nsp_cs", |
| }, |
| .probe = nsp_cs_attach, |
| .remove = nsp_cs_detach, |
| .id_table = nsp_cs_ids, |
| .suspend = nsp_cs_suspend, |
| .resume = nsp_cs_resume, |
| }; |
| #endif |
| |
| static int __init nsp_cs_init(void) |
| { |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,68)) |
| nsp_msg(KERN_INFO, "loading..."); |
| |
| return pcmcia_register_driver(&nsp_driver); |
| #else |
| servinfo_t serv; |
| |
| nsp_msg(KERN_INFO, "loading..."); |
| pcmcia_get_card_services_info(&serv); |
| if (serv.Revision != CS_RELEASE_CODE) { |
| nsp_msg(KERN_DEBUG, "Card Services release does not match!"); |
| return -EINVAL; |
| } |
| register_pcmcia_driver(&dev_info, &nsp_cs_attach, &nsp_cs_detach); |
| |
| nsp_dbg(NSP_DEBUG_INIT, "out"); |
| return 0; |
| #endif |
| } |
| |
| static void __exit nsp_cs_exit(void) |
| { |
| nsp_msg(KERN_INFO, "unloading..."); |
| |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,68)) |
| pcmcia_unregister_driver(&nsp_driver); |
| #else |
| unregister_pcmcia_driver(&dev_info); |
| /* XXX: this really needs to move into generic code.. */ |
| while (dev_list != NULL) { |
| if (dev_list->state & DEV_CONFIG) { |
| nsp_cs_release(dev_list); |
| } |
| nsp_cs_detach(dev_list); |
| } |
| #endif |
| } |
| |
| |
| module_init(nsp_cs_init) |
| module_exit(nsp_cs_exit) |
| |
| /* end */ |