* function declaration
*/
/* module entry point */
-static int nsp32_probe (struct pci_dev *, const struct pci_device_id *);
-static void nsp32_remove(struct pci_dev *);
+static int nsp32_probe (struct pci_dev *, const struct pci_device_id *);
+static void nsp32_remove(struct pci_dev *);
static int __init init_nsp32 (void);
static void __exit exit_nsp32 (void);
/* struct struct scsi_host_template */
-static int nsp32_show_info (struct seq_file *, struct Scsi_Host *);
+static int nsp32_show_info (struct seq_file *, struct Scsi_Host *);
-static int nsp32_detect (struct pci_dev *pdev);
-static int nsp32_queuecommand(struct Scsi_Host *, struct scsi_cmnd *);
-static const char *nsp32_info (struct Scsi_Host *);
-static int nsp32_release (struct Scsi_Host *);
+static int nsp32_detect (struct pci_dev *pdev);
+static int nsp32_queuecommand(struct Scsi_Host *, struct scsi_cmnd *);
+static const char *nsp32_info (struct Scsi_Host *);
+static int nsp32_release (struct Scsi_Host *);
/* SCSI error handler */
-static int nsp32_eh_abort (struct scsi_cmnd *);
-static int nsp32_eh_host_reset(struct scsi_cmnd *);
+static int nsp32_eh_abort (struct scsi_cmnd *);
+static int nsp32_eh_host_reset(struct scsi_cmnd *);
/* generate SCSI message */
static void nsp32_build_identify(struct scsi_cmnd *);
static void nsp32_build_nop (struct scsi_cmnd *);
static void nsp32_build_reject (struct scsi_cmnd *);
-static void nsp32_build_sdtr (struct scsi_cmnd *, unsigned char, unsigned char);
+static void nsp32_build_sdtr (struct scsi_cmnd *, unsigned char,
+ unsigned char);
/* SCSI message handler */
static int nsp32_busfree_occur(struct scsi_cmnd *, unsigned short);
static void nsp32_msgout_occur (struct scsi_cmnd *);
-static void nsp32_msgin_occur (struct scsi_cmnd *, unsigned long, unsigned short);
+static void nsp32_msgin_occur (struct scsi_cmnd *, unsigned long,
+ unsigned short);
static int nsp32_setup_sg_table (struct scsi_cmnd *);
static int nsp32_selection_autopara(struct scsi_cmnd *);
static int nsp32_selection_autoscsi(struct scsi_cmnd *);
-static void nsp32_scsi_done (struct scsi_cmnd *);
+static void nsp32_scsi_done (struct scsi_cmnd *);
static int nsp32_arbitration (struct scsi_cmnd *, unsigned int);
static int nsp32_reselection (struct scsi_cmnd *, unsigned char);
static void nsp32_adjust_busfree (struct scsi_cmnd *, unsigned int);
/* SCSI SDTR */
static void nsp32_analyze_sdtr (struct scsi_cmnd *);
-static int nsp32_search_period_entry(nsp32_hw_data *, nsp32_target *, unsigned char);
-static void nsp32_set_async (nsp32_hw_data *, nsp32_target *);
-static void nsp32_set_max_sync (nsp32_hw_data *, nsp32_target *, unsigned char *, unsigned char *);
-static void nsp32_set_sync_entry (nsp32_hw_data *, nsp32_target *, int, unsigned char);
+static int nsp32_search_period_entry(nsp32_hw_data *, nsp32_target *,
+ unsigned char);
+static void nsp32_set_async (nsp32_hw_data *, nsp32_target *);
+static void nsp32_set_max_sync (nsp32_hw_data *, nsp32_target *,
+ unsigned char *, unsigned char *);
+static void nsp32_set_sync_entry (nsp32_hw_data *, nsp32_target *,
+ int, unsigned char);
/* SCSI bus status handler */
static void nsp32_wait_req (nsp32_hw_data *, int);
static int nsp32hw_init(nsp32_hw_data *);
/* EEPROM handler */
-static int nsp32_getprom_param (nsp32_hw_data *);
-static int nsp32_getprom_at24 (nsp32_hw_data *);
-static int nsp32_getprom_c16 (nsp32_hw_data *);
-static void nsp32_prom_start (nsp32_hw_data *);
-static void nsp32_prom_stop (nsp32_hw_data *);
-static int nsp32_prom_read (nsp32_hw_data *, int);
-static int nsp32_prom_read_bit (nsp32_hw_data *);
-static void nsp32_prom_write_bit(nsp32_hw_data *, int);
-static void nsp32_prom_set (nsp32_hw_data *, int, int);
-static int nsp32_prom_get (nsp32_hw_data *, int);
+static int nsp32_getprom_param (nsp32_hw_data *);
+static int nsp32_getprom_at24 (nsp32_hw_data *);
+static int nsp32_getprom_c16 (nsp32_hw_data *);
+static void nsp32_prom_start (nsp32_hw_data *);
+static void nsp32_prom_stop (nsp32_hw_data *);
+static int nsp32_prom_read (nsp32_hw_data *, int);
+static int nsp32_prom_read_bit (nsp32_hw_data *);
+static void nsp32_prom_write_bit(nsp32_hw_data *, int);
+static void nsp32_prom_set (nsp32_hw_data *, int, int);
+static int nsp32_prom_get (nsp32_hw_data *, int);
/* debug/warning/info message */
static void nsp32_message (const char *, int, char *, char *, ...);
static void nsp32_build_identify(struct scsi_cmnd *SCpnt)
{
nsp32_hw_data *data = (nsp32_hw_data *)SCpnt->device->host->hostdata;
- int pos = data->msgout_len;
- int mode = FALSE;
+ int pos = data->msgout_len;
+ int mode = FALSE;
/* XXX: Auto DiscPriv detection is progressing... */
if (disc_priv == 0) {
unsigned char offset)
{
nsp32_hw_data *data = (nsp32_hw_data *)SCpnt->device->host->hostdata;
- int pos = data->msgout_len;
+ int pos = data->msgout_len;
data->msgoutbuf[pos] = EXTENDED_MESSAGE; pos++;
data->msgoutbuf[pos] = EXTENDED_SDTR_LEN; pos++;
data->msgoutbuf[pos] = EXTENDED_SDTR; pos++;
- data->msgoutbuf[pos] = period; pos++;
- data->msgoutbuf[pos] = offset; pos++;
+ data->msgoutbuf[pos] = period; pos++;
+ data->msgoutbuf[pos] = offset; pos++;
data->msgout_len = pos;
}
static void nsp32_build_nop(struct scsi_cmnd *SCpnt)
{
nsp32_hw_data *data = (nsp32_hw_data *)SCpnt->device->host->hostdata;
- int pos = data->msgout_len;
+ int pos = data->msgout_len;
if (pos != 0) {
nsp32_msg(KERN_WARNING,
static void nsp32_build_reject(struct scsi_cmnd *SCpnt)
{
nsp32_hw_data *data = (nsp32_hw_data *)SCpnt->device->host->hostdata;
- int pos = data->msgout_len;
+ int pos = data->msgout_len;
data->msgoutbuf[pos] = MESSAGE_REJECT; pos++;
data->msgout_len = pos;
}
-
+
/*
* timer
*/
unsigned char phase;
int i, ret;
unsigned int msgout;
- u16_le s;
+ u16_le s;
nsp32_dbg(NSP32_DEBUG_AUTOSCSI, "in");
* the sending order of the message is:
* MCNT 3: MSG#0 -> MSG#1 -> MSG#2
* MCNT 2: MSG#1 -> MSG#2
- * MCNT 1: MSG#2
+ * MCNT 1: MSG#2
*/
msgout >>= 8;
msgout |= ((unsigned int)(data->msgoutbuf[i]) << 24);
msgout = 0;
}
- // nsp_dbg(NSP32_DEBUG_AUTOSCSI, "sel time out=0x%x\n", nsp32_read2(base, SEL_TIME_OUT));
+ // nsp_dbg(NSP32_DEBUG_AUTOSCSI, "sel time out=0x%x\n",
+ // nsp32_read2(base, SEL_TIME_OUT));
// nsp32_write2(base, SEL_TIME_OUT, SEL_TIMEOUT_TIME);
/*
/* command control */
param->command_control = cpu_to_le16(CLEAR_CDB_FIFO_POINTER |
- AUTOSCSI_START |
- AUTO_MSGIN_00_OR_04 |
- AUTO_MSGIN_02 |
- AUTO_ATN );
+ AUTOSCSI_START |
+ AUTO_MSGIN_00_OR_04 |
+ AUTO_MSGIN_02 |
+ AUTO_ATN );
/* transfer control */
/*
* transfer parameter to ASIC
*/
- nsp32_write4(base, SGT_ADR, data->auto_paddr);
- nsp32_write2(base, COMMAND_CONTROL, CLEAR_CDB_FIFO_POINTER |
- AUTO_PARAMETER );
+ nsp32_write4(base, SGT_ADR, data->auto_paddr);
+ nsp32_write2(base, COMMAND_CONTROL,
+ CLEAR_CDB_FIFO_POINTER | AUTO_PARAMETER );
/*
* Check arbitration
SCpnt->result = DID_BUS_BUSY << 16;
status = 1;
goto out;
- }
+ }
/*
* clear execph
*/
for (i = 0; i < SCpnt->cmd_len; i++) {
nsp32_write1(base, COMMAND_DATA, SCpnt->cmnd[i]);
- }
+ }
nsp32_dbg(NSP32_DEBUG_CDB_CONTENTS, "CDB[0]=[0x%x]", SCpnt->cmnd[0]);
/*
* set SCSIOUT LATCH(initiator)/TARGET(target) (OR-ed) ID
*/
- nsp32_write1(base, SCSI_OUT_LATCH_TARGET_ID, BIT(host_id) | BIT(target));
+ nsp32_write1(base, SCSI_OUT_LATCH_TARGET_ID,
+ BIT(host_id) | BIT(target));
/*
* set SCSI MSGOUT REG
* the sending order of the message is:
* MCNT 3: MSG#0 -> MSG#1 -> MSG#2
* MCNT 2: MSG#1 -> MSG#2
- * MCNT 1: MSG#2
+ * MCNT 1: MSG#2
*/
msgout >>= 8;
msgout |= ((unsigned int)(data->msgoutbuf[i]) << 24);
/*
* set SREQ hazard killer sampling rate
- *
+ *
* TODO: sample_rate (BASE+0F) is 0 when internal clock = 40MHz.
* check other internal clock!
*/
nsp32_dbg(NSP32_DEBUG_AUTOSCSI,
"syncreg=0x%x, ackwidth=0x%x, sgtpaddr=0x%x, id=0x%x",
nsp32_read1(base, SYNC_REG), nsp32_read1(base, ACK_WIDTH),
- nsp32_read4(base, SGT_ADR), nsp32_read1(base, SCSI_OUT_LATCH_TARGET_ID));
+ nsp32_read4(base, SGT_ADR),
+ nsp32_read1(base, SCSI_OUT_LATCH_TARGET_ID));
nsp32_dbg(NSP32_DEBUG_AUTOSCSI, "msgout_len=%d, msgout=0x%x",
data->msgout_len, msgout);
* start AUTO SCSI, kick off arbitration
*/
command = (CLEAR_CDB_FIFO_POINTER |
- AUTOSCSI_START |
+ AUTOSCSI_START |
AUTO_MSGIN_00_OR_04 |
- AUTO_MSGIN_02 |
- AUTO_ATN );
+ AUTO_MSGIN_02 |
+ AUTO_ATN);
nsp32_write2(base, COMMAND_CONTROL, command);
/*
/*
* Arbitration Status Check
- *
+ *
* Note: Arbitration counter is waited during ARBIT_GO is not lifting.
- * Using udelay(1) consumes CPU time and system time, but
+ * Using udelay(1) consumes CPU time and system time, but
* arbitration delay time is defined minimal 2.4us in SCSI
* specification, thus udelay works as coarse grained wait timer.
*/
nsp32_dbg(NSP32_DEBUG_AUTOSCSI, "arbit timeout");
SCpnt->result = DID_NO_CONNECT << 16;
status = FALSE;
- }
+ }
/*
* clear Arbit
* or current nexus is not existed, unexpected
* reselection is occurred. Send reject message.
*/
- if (newid >= ARRAY_SIZE(data->lunt) || newlun >= ARRAY_SIZE(data->lunt[0])) {
+ if (newid >= ARRAY_SIZE(data->lunt) ||
+ newlun >= ARRAY_SIZE(data->lunt[0])) {
nsp32_msg(KERN_WARNING, "unknown id/lun");
return FALSE;
} else if(data->lunt[newid][newlun].SCpnt == NULL) {
if (le32_to_cpu(sgt[i].len) > 0x10000) {
nsp32_msg(KERN_ERR,
- "can't transfer over 64KB at a time, size=0x%x", le32_to_cpu(sgt[i].len));
+ "can't transfer over 64KB at a time, "
+ "size=0x%x", le32_to_cpu(sgt[i].len));
return FALSE;
}
nsp32_dbg(NSP32_DEBUG_SGLIST,
return TRUE;
}
-static int nsp32_queuecommand_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
+static int nsp32_queuecommand_lck(struct scsi_cmnd *SCpnt,
+ void (*done)(struct scsi_cmnd *))
{
nsp32_hw_data *data = (nsp32_hw_data *)SCpnt->device->host->hostdata;
nsp32_target *target;
nsp32_dbg(NSP32_DEBUG_QUEUECOMMAND,
"enter. target: 0x%x LUN: 0x%llx cmnd: 0x%x cmndlen: 0x%x "
"use_sg: 0x%x reqbuf: 0x%lx reqlen: 0x%x",
- SCpnt->device->id, SCpnt->device->lun, SCpnt->cmnd[0], SCpnt->cmd_len,
- scsi_sg_count(SCpnt), scsi_sglist(SCpnt), scsi_bufflen(SCpnt));
+ SCpnt->device->id, SCpnt->device->lun, SCpnt->cmnd[0],
+ SCpnt->cmd_len, scsi_sg_count(SCpnt), scsi_sglist(SCpnt),
+ scsi_bufflen(SCpnt));
if (data->CurrentSC != NULL) {
nsp32_msg(KERN_ERR, "Currentsc != NULL. Cancel this command request");
/* Build IDENTIFY */
nsp32_build_identify(SCpnt);
- /*
+ /*
* If target is the first time to transfer after the reset
* (target don't have SDTR_DONE and SDTR_INITIATOR), sync
* message SDTR is needed to do synchronous transfer.
nsp32_index_write2(base, CFG_LATE_CACHE, lc_reg & 0xffff);
}
- nsp32_write2(base, IRQ_CONTROL, IRQ_CONTROL_ALL_IRQ_MASK);
- nsp32_write2(base, TRANSFER_CONTROL, 0);
- nsp32_write4(base, BM_CNT, 0);
+ nsp32_write2(base, IRQ_CONTROL, IRQ_CONTROL_ALL_IRQ_MASK);
+ nsp32_write2(base, TRANSFER_CONTROL, 0);
+ nsp32_write4(base, BM_CNT, 0);
nsp32_write2(base, SCSI_EXECUTE_PHASE, 0);
do {
nsp32_index_read1(base, FIFO_EMPTY_SHLD_COUNT));
nsp32_index_write1(base, CLOCK_DIV, data->clock);
- nsp32_index_write1(base, BM_CYCLE, MEMRD_CMD1 | SGT_AUTO_PARA_MEMED_CMD);
+ nsp32_index_write1(base, BM_CYCLE,
+ MEMRD_CMD1 | SGT_AUTO_PARA_MEMED_CMD);
nsp32_write1(base, PARITY_CONTROL, 0); /* parity check is disable */
/*
* initialize MISC_WRRD register
- *
+ *
* Note: Designated parameters is obeyed as following:
* MISC_SCSI_DIRECTION_DETECTOR_SELECT: It must be set.
* MISC_MASTER_TERMINATION_SELECT: It must be set.
*/
nsp32_index_write2(base, MISC_WR,
(SCSI_DIRECTION_DETECTOR_SELECT |
- DELAYED_BMSTART |
- MASTER_TERMINATION_SELECT |
- BMREQ_NEGATE_TIMING_SEL |
- AUTOSEL_TIMING_SEL |
+ DELAYED_BMSTART |
+ MASTER_TERMINATION_SELECT |
+ BMREQ_NEGATE_TIMING_SEL |
+ AUTOSEL_TIMING_SEL |
BMSTOP_CHANGE2_NONDATA_PHASE));
nsp32_index_write1(base, TERM_PWR_CONTROL, 0);
* enable to select designated IRQ (except for
* IRQSELECT_SERR, IRQSELECT_PERR, IRQSELECT_BMCNTERR)
*/
- nsp32_index_write2(base, IRQ_SELECT, IRQSELECT_TIMER_IRQ |
- IRQSELECT_SCSIRESET_IRQ |
- IRQSELECT_FIFO_SHLD_IRQ |
- IRQSELECT_RESELECT_IRQ |
- IRQSELECT_PHASE_CHANGE_IRQ |
- IRQSELECT_AUTO_SCSI_SEQ_IRQ |
- // IRQSELECT_BMCNTERR_IRQ |
- IRQSELECT_TARGET_ABORT_IRQ |
- IRQSELECT_MASTER_ABORT_IRQ );
+ nsp32_index_write2(base, IRQ_SELECT,
+ IRQSELECT_TIMER_IRQ |
+ IRQSELECT_SCSIRESET_IRQ |
+ IRQSELECT_FIFO_SHLD_IRQ |
+ IRQSELECT_RESELECT_IRQ |
+ IRQSELECT_PHASE_CHANGE_IRQ |
+ IRQSELECT_AUTO_SCSI_SEQ_IRQ |
+ // IRQSELECT_BMCNTERR_IRQ |
+ IRQSELECT_TARGET_ABORT_IRQ |
+ IRQSELECT_MASTER_ABORT_IRQ );
nsp32_write2(base, IRQ_CONTROL, 0);
/* PCI LED off */
* IRQ check, then enable IRQ mask
*/
irq_stat = nsp32_read2(base, IRQ_STATUS);
- nsp32_dbg(NSP32_DEBUG_INTR,
+ nsp32_dbg(NSP32_DEBUG_INTR,
"enter IRQ: %d, IRQstatus: 0x%x", irq, irq_stat);
/* is this interrupt comes from Ninja asic? */
if ((irq_stat & IRQSTATUS_ANY_IRQ) == 0) {
- nsp32_dbg(NSP32_DEBUG_INTR, "shared interrupt: irq other 0x%x", irq_stat);
+ nsp32_dbg(NSP32_DEBUG_INTR,
+ "shared interrupt: irq other 0x%x", irq_stat);
goto out2;
}
handled = 1;
if (SCpnt == NULL) {
nsp32_msg(KERN_WARNING, "SCpnt==NULL this can't be happened");
- nsp32_msg(KERN_WARNING, "irq_stat=0x%x trans_stat=0x%x", irq_stat, trans_stat);
+ nsp32_msg(KERN_WARNING, "irq_stat=0x%x trans_stat=0x%x",
+ irq_stat, trans_stat);
goto out;
}
"Data in/out phase processed");
/* read BMCNT, SGT pointer addr */
- nsp32_dbg(NSP32_DEBUG_INTR, "BMCNT=0x%lx",
+ nsp32_dbg(NSP32_DEBUG_INTR, "BMCNT=0x%lx",
nsp32_read4(base, BM_CNT));
- nsp32_dbg(NSP32_DEBUG_INTR, "addr=0x%lx",
+ nsp32_dbg(NSP32_DEBUG_INTR, "addr=0x%lx",
nsp32_read4(base, SGT_ADR));
- nsp32_dbg(NSP32_DEBUG_INTR, "SACK=0x%lx",
+ nsp32_dbg(NSP32_DEBUG_INTR, "SACK=0x%lx",
nsp32_read4(base, SACK_CNT));
- nsp32_dbg(NSP32_DEBUG_INTR, "SSACK=0x%lx",
+ nsp32_dbg(NSP32_DEBUG_INTR, "SSACK=0x%lx",
nsp32_read4(base, SAVED_SACK_CNT));
scsi_set_resid(SCpnt, 0); /* all data transferred! */
* Read CSB and substitute CSB for SCpnt->result
* to save status phase stutas byte.
* scsi error handler checks host_byte (DID_*:
- * low level driver to indicate status), then checks
+ * low level driver to indicate status), then checks
* status_byte (SCSI status byte).
*/
SCpnt->result = (int)nsp32_read1(base, SCSI_CSB_IN);
if (auto_stat & ILLEGAL_PHASE) {
/* Illegal phase is detected. SACK is not back. */
- nsp32_msg(KERN_WARNING,
+ nsp32_msg(KERN_WARNING,
"AUTO SCSI ILLEGAL PHASE OCCUR!!!!");
/* TODO: currently we don't have any action... bus reset? */
break;
default:
nsp32_dbg(NSP32_DEBUG_INTR, "fifo/other phase");
- nsp32_dbg(NSP32_DEBUG_INTR, "irq_stat=0x%x trans_stat=0x%x", irq_stat, trans_stat);
+ nsp32_dbg(NSP32_DEBUG_INTR, "irq_stat=0x%x trans_stat=0x%x",
+ irq_stat, trans_stat);
show_busphase(busphase);
break;
}
{
unsigned long flags;
nsp32_hw_data *data;
- int hostno;
+ int hostno;
unsigned int base;
unsigned char mode_reg;
- int id, speed;
- long model;
+ int id, speed;
+ long model;
hostno = host->host_no;
data = (nsp32_hw_data *)host->hostdata;
base = host->io_port;
seq_puts(m, "NinjaSCSI-32 status\n\n");
- seq_printf(m, "Driver version: %s, $Revision: 1.33 $\n", nsp32_release_version);
- seq_printf(m, "SCSI host No.: %d\n", hostno);
- seq_printf(m, "IRQ: %d\n", host->irq);
- seq_printf(m, "IO: 0x%lx-0x%lx\n", host->io_port, host->io_port + host->n_io_port - 1);
- seq_printf(m, "MMIO(virtual address): 0x%lx-0x%lx\n", host->base, host->base + data->MmioLength - 1);
- seq_printf(m, "sg_tablesize: %d\n", host->sg_tablesize);
- seq_printf(m, "Chip revision: 0x%x\n", (nsp32_read2(base, INDEX_REG) >> 8) & 0xff);
+ seq_printf(m, "Driver version: %s, $Revision: 1.33 $\n",
+ nsp32_release_version);
+ seq_printf(m, "SCSI host No.: %d\n", hostno);
+ seq_printf(m, "IRQ: %d\n", host->irq);
+ seq_printf(m, "IO: 0x%lx-0x%lx\n",
+ host->io_port, host->io_port + host->n_io_port - 1);
+ seq_printf(m, "MMIO(virtual address): 0x%lx-0x%lx\n",
+ host->base, host->base + data->MmioLength - 1);
+ seq_printf(m, "sg_tablesize: %d\n",
+ host->sg_tablesize);
+ seq_printf(m, "Chip revision: 0x%x\n",
+ (nsp32_read2(base, INDEX_REG) >> 8) & 0xff);
mode_reg = nsp32_index_read1(base, CHIP_MODE);
model = data->pci_devid->driver_data;
#ifdef CONFIG_PM
- seq_printf(m, "Power Management: %s\n", (mode_reg & OPTF) ? "yes" : "no");
+ seq_printf(m, "Power Management: %s\n",
+ (mode_reg & OPTF) ? "yes" : "no");
#endif
- seq_printf(m, "OEM: %ld, %s\n", (mode_reg & (OEM0|OEM1)), nsp32_model[model]);
+ seq_printf(m, "OEM: %ld, %s\n",
+ (mode_reg & (OEM0|OEM1)), nsp32_model[model]);
spin_lock_irqsave(&(data->Lock), flags);
seq_printf(m, "CurrentSC: 0x%p\n\n", data->CurrentSC);
}
if (data->target[id].sync_flag == SDTR_DONE) {
- if (data->target[id].period == 0 &&
+ if (data->target[id].period == 0 &&
data->target[id].offset == ASYNC_OFFSET ) {
seq_puts(m, "async");
} else {
* clear TRANSFERCONTROL_BM_START
*/
nsp32_write2(base, TRANSFER_CONTROL, 0);
- nsp32_write4(base, BM_CNT, 0);
+ nsp32_write4(base, BM_CNT, 0);
/*
* call scsi_done
/*
* reset parameters
*/
- data->cur_lunt->SCpnt = NULL;
- data->cur_lunt = NULL;
- data->cur_target = NULL;
- data->CurrentSC = NULL;
+ data->cur_lunt->SCpnt = NULL;
+ data->cur_lunt = NULL;
+ data->cur_target = NULL;
+ data->CurrentSC = NULL;
}
nsp32_dbg(NSP32_DEBUG_BUSFREE, "enter execph=0x%x", execph);
show_autophase(execph);
- nsp32_write4(base, BM_CNT, 0);
+ nsp32_write4(base, BM_CNT, 0);
nsp32_write2(base, TRANSFER_CONTROL, 0);
/*
*
* VALID:
* Save Data Pointer is received. Adjust pointer.
- *
+ *
* NO-VALID:
* SCSI-3 says if Save Data Pointer is not received, then we restart
* processing and we can't adjust any SCSI data pointer in next data
* Check sack_cnt/saved_sack_cnt, then adjust sg table if
* needed.
*/
- if (!(execph & MSGIN_00_VALID) &&
+ if (!(execph & MSGIN_00_VALID) &&
((execph & DATA_IN_PHASE) || (execph & DATA_OUT_PHASE))) {
unsigned int sacklen, s_sacklen;
* no processing.
*/
}
-
+
if (execph & MSGIN_03_VALID) {
/* MsgIn03 was valid to be processed. No need processing. */
}
* negotiating.
*/
if (execph & (MSGIN_00_VALID | MSGIN_04_VALID)) {
- /*
+ /*
* If valid message is received, then
* negotiation is succeeded.
*/
SCpnt->SCp.Status = nsp32_read1(base, SCSI_CSB_IN);
SCpnt->SCp.Message = 0;
- nsp32_dbg(NSP32_DEBUG_BUSFREE,
+ nsp32_dbg(NSP32_DEBUG_BUSFREE,
"normal end stat=0x%x resid=0x%x\n",
SCpnt->SCp.Status, scsi_get_resid(SCpnt));
- SCpnt->result = (DID_OK << 16) |
- (SCpnt->SCp.Message << 8) |
- (SCpnt->SCp.Status << 0);
+ SCpnt->result = (DID_OK << 16) |
+ (SCpnt->SCp.Message << 8) |
+ (SCpnt->SCp.Status << 0);
nsp32_scsi_done(SCpnt);
/* All operation is done */
return TRUE;
/* MsgIn 04: Disconnect */
SCpnt->SCp.Status = nsp32_read1(base, SCSI_CSB_IN);
SCpnt->SCp.Message = 4;
-
+
nsp32_dbg(NSP32_DEBUG_BUSFREE, "disconnect");
return TRUE;
} else {
static void nsp32_adjust_busfree(struct scsi_cmnd *SCpnt, unsigned int s_sacklen)
{
nsp32_hw_data *data = (nsp32_hw_data *)SCpnt->device->host->hostdata;
- int old_entry = data->cur_entry;
- int new_entry;
- int sg_num = data->cur_lunt->sg_num;
- nsp32_sgtable *sgt = data->cur_lunt->sglun->sgt;
- unsigned int restlen, sentlen;
- u32_le len, addr;
+ int old_entry = data->cur_entry;
+ int new_entry;
+ int sg_num = data->cur_lunt->sg_num;
+ nsp32_sgtable *sgt = data->cur_lunt->sglun->sgt;
+ unsigned int restlen, sentlen;
+ u32_le len, addr;
nsp32_dbg(NSP32_DEBUG_SGLIST, "old resid=0x%x", scsi_get_resid(SCpnt));
s_sacklen -= le32_to_cpu(sgt[old_entry].addr) & 3;
/*
- * calculate new_entry from sack count and each sgt[].len
+ * calculate new_entry from sack count and each sgt[].len
* calculate the byte which is intent to send
*/
sentlen = 0;
if (sentlen == s_sacklen) {
/* XXX: confirm it's ok or not */
- /* In this case, it's ok because we are at
- the head element of the sg. restlen is correctly calculated. */
+ /* In this case, it's ok because we are at
+ * the head element of the sg. restlen is correctly
+ * calculated.
+ */
}
/* calculate the rest length for transferring */
/* set cur_entry with new_entry */
data->cur_entry = new_entry;
-
+
return;
last:
nsp32_hw_data *data = (nsp32_hw_data *)SCpnt->device->host->hostdata;
unsigned int base = SCpnt->device->host->io_port;
int i;
-
+
nsp32_dbg(NSP32_DEBUG_MSGOUTOCCUR,
"enter: msgout_len: 0x%x", data->msgout_len);
//nsp32_restart_autoscsi(SCpnt, command);
nsp32_write2(base, COMMAND_CONTROL,
(CLEAR_CDB_FIFO_POINTER |
- AUTO_COMMAND_PHASE |
- AUTOSCSI_RESTART |
- AUTO_MSGIN_00_OR_04 |
- AUTO_MSGIN_02 ));
+ AUTO_COMMAND_PHASE |
+ AUTOSCSI_RESTART |
+ AUTO_MSGIN_00_OR_04 |
+ AUTO_MSGIN_02 ));
}
/*
* Write data with SACK, then wait sack is
unsigned char msgtype;
unsigned char newlun;
unsigned short command = 0;
- int msgclear = TRUE;
- long new_sgtp;
- int ret;
+ int msgclear = TRUE;
+ long new_sgtp;
+ int ret;
/*
* read first message
goto reject;
}
}
-
+
/*
* processing messages except for IDENTIFY
*
* These messages should not be occurred.
* They should be processed on AutoSCSI sequencer.
*/
- nsp32_msg(KERN_WARNING,
+ nsp32_msg(KERN_WARNING,
"unexpected message of AutoSCSI MsgIn: 0x%x", msg);
break;
-
+
case RESTORE_POINTERS:
/*
* AutoMsgIn03 is disabled, and HBA gets this message.
/*
* set new sg pointer
*/
- new_sgtp = data->cur_lunt->sglun_paddr +
+ new_sgtp = data->cur_lunt->sglun_paddr +
(data->cur_lunt->cur_entry * sizeof(nsp32_sgtable));
nsp32_write4(base, SGT_ADR, new_sgtp);
* These messages should not be occurred.
* They should be processed on AutoSCSI sequencer.
*/
- nsp32_msg (KERN_WARNING,
+ nsp32_msg (KERN_WARNING,
"unexpected message of AutoSCSI MsgIn: SAVE_POINTERS");
-
+
break;
-
+
case MESSAGE_REJECT:
- /* If previous message_out is sending SDTR, and get
+ /* If previous message_out is sending SDTR, and get
message_reject from target, SDTR negotiation is failed */
if (data->cur_target->sync_flag &
(SDTR_INITIATOR | SDTR_TARGET)) {
case LINKED_CMD_COMPLETE:
case LINKED_FLG_CMD_COMPLETE:
/* queue tag is not supported currently */
- nsp32_msg (KERN_WARNING,
+ nsp32_msg (KERN_WARNING,
"unsupported message: 0x%x", msgtype);
break;
}
/*
- * Reach here means regular length of each type of
+ * Reach here means regular length of each type of
* extended messages.
*/
switch (data->msginbuf[2]) {
goto reject; /* not implemented yet */
break;
-
+
default:
goto reject;
}
break;
-
+
default:
goto reject;
}
* AutoSCSI restart, at the same time MsgOutOccur should be
* happened (however, such situation is really possible...?).
*/
- if (data->msgout_len > 0) {
+ if (data->msgout_len > 0) {
nsp32_write4(base, SCSI_MSG_OUT, 0);
command |= AUTO_ATN;
}
return;
reject:
- nsp32_msg(KERN_WARNING,
+ nsp32_msg(KERN_WARNING,
"invalid or unsupported MessageIn, rejected. "
"current msg: 0x%x (len: 0x%x), processing msg: 0x%x",
msg, data->msgin_len, msgtype);
}
/*
- *
+ *
*/
static void nsp32_analyze_sdtr(struct scsi_cmnd *SCpnt)
{
nsp32_hw_data *data = (nsp32_hw_data *)SCpnt->device->host->hostdata;
- nsp32_target *target = data->cur_target;
- unsigned char get_period = data->msginbuf[3];
- unsigned char get_offset = data->msginbuf[4];
- int entry;
+ nsp32_target *target = data->cur_target;
+ unsigned char get_period = data->msginbuf[3];
+ unsigned char get_offset = data->msginbuf[4];
+ int entry;
nsp32_dbg(NSP32_DEBUG_MSGINOCCUR, "enter");
* If this inititor sent the SDTR message, then target responds SDTR,
* initiator SYNCREG, ACKWIDTH from SDTR parameter.
* Messages are not appropriate, then send back reject message.
- * If initiator did not send the SDTR, but target sends SDTR,
+ * If initiator did not send the SDTR, but target sends SDTR,
* initiator calculator the appropriate parameter and send back SDTR.
- */
+ */
if (target->sync_flag & SDTR_INITIATOR) {
/*
* Initiator sent SDTR, the target responds and
* send back negotiation SDTR.
*/
nsp32_dbg(NSP32_DEBUG_MSGINOCCUR, "target responds SDTR");
-
+
target->sync_flag &= ~SDTR_INITIATOR;
target->sync_flag |= SDTR_DONE;
*/
goto reject;
}
-
+
if (get_offset == ASYNC_OFFSET) {
/*
* Negotiation is succeeded, the target want
if (entry < 0) {
/*
- * Target want to use long period which is not
+ * Target want to use long period which is not
* acceptable NinjaSCSI-32Bi/UDE.
*/
goto reject;
} else {
/* Target send SDTR to initiator. */
nsp32_dbg(NSP32_DEBUG_MSGINOCCUR, "target send SDTR");
-
+
target->sync_flag |= SDTR_INITIATOR;
/* offset: */
*/
static void nsp32_set_sync_entry(nsp32_hw_data *data,
nsp32_target *target,
- int entry,
+ int entry,
unsigned char offset)
{
unsigned char period, ackwidth, sample_rate;
static void nsp32_wait_req(nsp32_hw_data *data, int state)
{
unsigned int base = data->BaseAddress;
- int wait_time = 0;
+ int wait_time = 0;
unsigned char bus, req_bit;
if (!((state == ASSERT) || (state == NEGATE))) {
do {
bus = nsp32_read1(base, SCSI_BUS_MONITOR);
if ((bus & BUSMON_REQ) == req_bit) {
- nsp32_dbg(NSP32_DEBUG_WAIT,
+ nsp32_dbg(NSP32_DEBUG_WAIT,
"wait_time: %d", wait_time);
return;
}
static void nsp32_wait_sack(nsp32_hw_data *data, int state)
{
unsigned int base = data->BaseAddress;
- int wait_time = 0;
+ int wait_time = 0;
unsigned char bus, ack_bit;
if (!((state == ASSERT) || (state == NEGATE))) {
struct Scsi_Host *host; /* registered host structure */
struct resource *res;
nsp32_hw_data *data;
- int ret;
- int i, j;
+ int ret;
+ int i, j;
nsp32_dbg(NSP32_DEBUG_REGISTER, "enter");
*/
/*
- * setup DMA
+ * setup DMA
*/
if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
nsp32_msg (KERN_ERR, "failed to set PCI DMA mask");
goto free_sg_list;
}
- /*
+ /*
* PCI IO register
*/
res = request_region(host->io_port, host->n_io_port, "nsp32");
if (res == NULL) {
- nsp32_msg(KERN_ERR,
+ nsp32_msg(KERN_ERR,
"I/O region 0x%x+0x%x is already used",
data->BaseAddress, data->NumAddress);
goto free_irq;
- }
+ }
ret = scsi_add_host(host, &pdev->dev);
if (ret) {
free_autoparam:
dma_free_coherent(&pdev->dev, sizeof(nsp32_autoparam),
data->autoparam, data->auto_paddr);
-
+
scsi_unregister:
scsi_host_put(host);
}
nsp32_write2(base, TRANSFER_CONTROL, 0);
- nsp32_write2(base, BM_CNT, 0);
+ nsp32_write2(base, BM_CNT, 0);
SCpnt->result = DID_ABORT << 16;
nsp32_scsi_done(SCpnt);
* clear counter
*/
nsp32_write2(base, TRANSFER_CONTROL, 0);
- nsp32_write4(base, BM_CNT, 0);
- nsp32_write4(base, CLR_COUNTER, CLRCOUNTER_ALLMASK);
+ nsp32_write4(base, BM_CNT, 0);
+ nsp32_write4(base, CLR_COUNTER, CLRCOUNTER_ALLMASK);
/*
* fall back to asynchronous transfer mode
for(i = 0; i < 5; i++) {
intrdat = nsp32_read2(base, IRQ_STATUS); /* dummy read */
nsp32_dbg(NSP32_DEBUG_BUSRESET, "irq:1: 0x%x", intrdat);
- }
+ }
data->CurrentSC = NULL;
}
unsigned int base = SCpnt->device->host->io_port;
nsp32_hw_data *data = (nsp32_hw_data *)host->hostdata;
- nsp32_msg(KERN_INFO, "Host Reset");
+ nsp32_msg(KERN_INFO, "Host Reset");
nsp32_dbg(NSP32_DEBUG_BUSRESET, "SCpnt=0x%x", SCpnt);
spin_lock_irq(SCpnt->device->host->host_lock);
* AT24C01A (Logitec: LHA-600S), AT24C02 (Melco Buffalo: IFC-USLP) data map:
*
* ROMADDR
- * 0x00 - 0x06 : Device Synchronous Transfer Period (SCSI ID 0 - 6)
+ * 0x00 - 0x06 : Device Synchronous Transfer Period (SCSI ID 0 - 6)
* Value 0x0: ASYNC, 0x0c: Ultra-20M, 0x19: Fast-10M
* 0x07 : HBA Synchronous Transfer Period
* Value 0: AutoSync, 1: Manual Setting
* 0x08 - 0x0f : Not Used? (0x0)
* 0x10 : Bus Termination
- * Value 0: Auto[ON], 1: ON, 2: OFF
+ * Value 0: Auto[ON], 1: ON, 2: OFF
* 0x11 : Not Used? (0)
* 0x12 : Bus Reset Delay Time (0x03)
* 0x13 : Bootable CD Support
* 0x14 : Device Scan
* Bit 7 6 5 4 3 2 1 0
* | <----------------->
- * | SCSI ID: Value 0: Skip, 1: YES
+ * | SCSI ID: Value 0: Skip, 1: YES
* |-> Value 0: ALL scan, Value 1: Manual
* 0x15 - 0x1b : Not Used? (0)
* 0x1c : Constant? (0x01) (clock div?)
*/
static int nsp32_getprom_at24(nsp32_hw_data *data)
{
- int ret, i;
- int auto_sync;
+ int ret, i;
+ int auto_sync;
nsp32_target *target;
- int entry;
+ int entry;
/*
* Reset time which is designated by EEPROM.
* C16 110 (I-O Data: SC-NBD) data map:
*
* ROMADDR
- * 0x00 - 0x06 : Device Synchronous Transfer Period (SCSI ID 0 - 6)
+ * 0x00 - 0x06 : Device Synchronous Transfer Period (SCSI ID 0 - 6)
* Value 0x0: 20MB/S, 0x1: 10MB/S, 0x2: 5MB/S, 0x3: ASYNC
* 0x07 : 0 (HBA Synchronous Transfer Period: Auto Sync)
* 0x08 - 0x0f : Not Used? (0x0)
* Value 0: PIO, 1: Busmater
* 0x11 : Bus Reset Delay Time (0x00-0x20)
* 0x12 : Bus Termination
- * Value 0: Disable, 1: Enable
+ * Value 0: Disable, 1: Enable
* 0x13 - 0x19 : Disconnection
* Value 0: Disable, 1: Enable
* 0x1a - 0x7c : Not Used? (0)
*/
static int nsp32_getprom_c16(nsp32_hw_data *data)
{
- int ret, i;
+ int ret, i;
nsp32_target *target;
- int entry, val;
+ int entry, val;
/*
* Reset time which is designated by EEPROM.
for (i = 7; i >= 0; i--) {
val += (nsp32_prom_read_bit(data) << i);
}
-
+
/* no ack */
nsp32_prom_write_bit(data, 1);
nsp32_hw_data *data = (nsp32_hw_data *)host->hostdata;
unsigned short reg;
- nsp32_msg(KERN_INFO, "pci-resume: pdev=0x%p, slot=%s, host=0x%p", pdev, pci_name(pdev), host);
+ nsp32_msg(KERN_INFO, "pci-resume: pdev=0x%p, slot=%s, host=0x%p",
+ pdev, pci_name(pdev), host);
pci_set_power_state(pdev, PCI_D0);
pci_enable_wake (pdev, PCI_D0, 0);
nsp32_dbg(NSP32_DEBUG_REGISTER, "enter");
- ret = pci_enable_device(pdev);
+ ret = pci_enable_device(pdev);
if (ret) {
nsp32_msg(KERN_ERR, "failed to enable pci device");
return ret;
}
- data->Pci = pdev;
+ data->Pci = pdev;
data->pci_devid = id;
data->IrqNumber = pdev->irq;
data->BaseAddress = pci_resource_start(pdev, 0);
nsp32_dbg(NSP32_DEBUG_REGISTER, "enter");
- scsi_remove_host(host);
+ scsi_remove_host(host);
nsp32_release(host);
.probe = nsp32_probe,
.remove = nsp32_remove,
#ifdef CONFIG_PM
- .suspend = nsp32_suspend,
- .resume = nsp32_resume,
+ .suspend = nsp32_suspend,
+ .resume = nsp32_resume,
#endif
};
projects / linux-2.6-microblaze.git / commitdiff