Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
diff --git a/drivers/scsi/sym53c416.c b/drivers/scsi/sym53c416.c
new file mode 100644
index 0000000..f26c3a2
--- /dev/null
+++ b/drivers/scsi/sym53c416.c
@@ -0,0 +1,881 @@
+/*
+ * sym53c416.c
+ * Low-level SCSI driver for sym53c416 chip.
+ * Copyright (C) 1998 Lieven Willems (lw_linux@hotmail.com)
+ *
+ * Changes :
+ *
+ * Marcelo Tosatti <marcelo@conectiva.com.br> : Added io_request_lock locking
+ * Alan Cox <alan@redhat.com> : Cleaned up code formatting
+ * Fixed an irq locking bug
+ * Added ISAPnP support
+ * Bjoern A. Zeeb <bzeeb@zabbadoz.net> : Initial irq locking updates
+ * Added another card with ISAPnP support
+ *
+ * LILO command line usage: sym53c416=<PORTBASE>[,<IRQ>]
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/string.h>
+#include <linux/ioport.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/proc_fs.h>
+#include <linux/spinlock.h>
+#include <asm/dma.h>
+#include <asm/system.h>
+#include <asm/io.h>
+#include <linux/blkdev.h>
+#include <linux/isapnp.h>
+#include "scsi.h"
+#include <scsi/scsi_host.h>
+#include "sym53c416.h"
+
+#define VERSION_STRING "Version 1.0.0-ac"
+
+#define TC_LOW 0x00 /* Transfer counter low */
+#define TC_MID 0x01 /* Transfer counter mid */
+#define SCSI_FIFO 0x02 /* SCSI FIFO register */
+#define COMMAND_REG 0x03 /* Command Register */
+#define STATUS_REG 0x04 /* Status Register (READ) */
+#define DEST_BUS_ID 0x04 /* Destination Bus ID (WRITE) */
+#define INT_REG 0x05 /* Interrupt Register (READ) */
+#define TOM 0x05 /* Time out multiplier (WRITE) */
+#define STP 0x06 /* Synchronous Transfer period */
+#define SYNC_OFFSET 0x07 /* Synchronous Offset */
+#define CONF_REG_1 0x08 /* Configuration register 1 */
+#define CONF_REG_2 0x0B /* Configuration register 2 */
+#define CONF_REG_3 0x0C /* Configuration register 3 */
+#define CONF_REG_4 0x0D /* Configuration register 4 */
+#define TC_HIGH 0x0E /* Transfer counter high */
+#define PIO_FIFO_1 0x10 /* PIO FIFO register 1 */
+#define PIO_FIFO_2 0x11 /* PIO FIFO register 2 */
+#define PIO_FIFO_3 0x12 /* PIO FIFO register 3 */
+#define PIO_FIFO_4 0x13 /* PIO FIFO register 4 */
+#define PIO_FIFO_CNT 0x14 /* PIO FIFO count */
+#define PIO_INT_REG 0x15 /* PIO interrupt register */
+#define CONF_REG_5 0x16 /* Configuration register 5 */
+#define FEATURE_EN 0x1D /* Feature Enable register */
+
+/* Configuration register 1 entries: */
+/* Bits 2-0: SCSI ID of host adapter */
+#define SCM 0x80 /* Slow Cable Mode */
+#define SRID 0x40 /* SCSI Reset Interrupt Disable */
+#define PTM 0x20 /* Parity Test Mode */
+#define EPC 0x10 /* Enable Parity Checking */
+#define CTME 0x08 /* Special Test Mode */
+
+/* Configuration register 2 entries: */
+#define FE 0x40 /* Features Enable */
+#define SCSI2 0x08 /* SCSI 2 Enable */
+#define TBPA 0x04 /* Target Bad Parity Abort */
+
+/* Configuration register 3 entries: */
+#define IDMRC 0x80 /* ID Message Reserved Check */
+#define QTE 0x40 /* Queue Tag Enable */
+#define CDB10 0x20 /* Command Descriptor Block 10 */
+#define FSCSI 0x10 /* FastSCSI */
+#define FCLK 0x08 /* FastClock */
+
+/* Configuration register 4 entries: */
+#define RBS 0x08 /* Register bank select */
+#define EAN 0x04 /* Enable Active Negotiation */
+
+/* Configuration register 5 entries: */
+#define LPSR 0x80 /* Lower Power SCSI Reset */
+#define IE 0x20 /* Interrupt Enable */
+#define LPM 0x02 /* Low Power Mode */
+#define WSE0 0x01 /* 0WS Enable */
+
+/* Interrupt register entries: */
+#define SRST 0x80 /* SCSI Reset */
+#define ILCMD 0x40 /* Illegal Command */
+#define DIS 0x20 /* Disconnect */
+#define BS 0x10 /* Bus Service */
+#define FC 0x08 /* Function Complete */
+#define RESEL 0x04 /* Reselected */
+#define SI 0x03 /* Selection Interrupt */
+
+/* Status Register Entries: */
+#define SCI 0x80 /* SCSI Core Int */
+#define GE 0x40 /* Gross Error */
+#define PE 0x20 /* Parity Error */
+#define TC 0x10 /* Terminal Count */
+#define VGC 0x08 /* Valid Group Code */
+#define PHBITS 0x07 /* Phase bits */
+
+/* PIO Interrupt Register Entries: */
+#define SCI 0x80 /* SCSI Core Int */
+#define PFI 0x40 /* PIO FIFO Interrupt */
+#define FULL 0x20 /* PIO FIFO Full */
+#define EMPTY 0x10 /* PIO FIFO Empty */
+#define CE 0x08 /* Collision Error */
+#define OUE 0x04 /* Overflow / Underflow error */
+#define FIE 0x02 /* Full Interrupt Enable */
+#define EIE 0x01 /* Empty Interrupt Enable */
+
+/* SYM53C416 SCSI phases (lower 3 bits of SYM53C416_STATUS_REG) */
+#define PHASE_DATA_OUT 0x00
+#define PHASE_DATA_IN 0x01
+#define PHASE_COMMAND 0x02
+#define PHASE_STATUS 0x03
+#define PHASE_RESERVED_1 0x04
+#define PHASE_RESERVED_2 0x05
+#define PHASE_MESSAGE_OUT 0x06
+#define PHASE_MESSAGE_IN 0x07
+
+/* SYM53C416 core commands */
+#define NOOP 0x00
+#define FLUSH_FIFO 0x01
+#define RESET_CHIP 0x02
+#define RESET_SCSI_BUS 0x03
+#define DISABLE_SEL_RESEL 0x45
+#define RESEL_SEQ 0x40
+#define SEL_WITHOUT_ATN_SEQ 0x41
+#define SEL_WITH_ATN_SEQ 0x42
+#define SEL_WITH_ATN_AND_STOP_SEQ 0x43
+#define ENABLE_SEL_RESEL 0x44
+#define SEL_WITH_ATN3_SEQ 0x46
+#define RESEL3_SEQ 0x47
+#define SND_MSG 0x20
+#define SND_STAT 0x21
+#define SND_DATA 0x22
+#define DISCONNECT_SEQ 0x23
+#define TERMINATE_SEQ 0x24
+#define TARGET_COMM_COMPLETE_SEQ 0x25
+#define DISCONN 0x27
+#define RECV_MSG_SEQ 0x28
+#define RECV_CMD 0x29
+#define RECV_DATA 0x2A
+#define RECV_CMD_SEQ 0x2B
+#define TARGET_ABORT_PIO 0x04
+#define TRANSFER_INFORMATION 0x10
+#define INIT_COMM_COMPLETE_SEQ 0x11
+#define MSG_ACCEPTED 0x12
+#define TRANSFER_PAD 0x18
+#define SET_ATN 0x1A
+#define RESET_ATN 0x1B
+#define ILLEGAL 0xFF
+
+#define PIO_MODE 0x80
+
+#define IO_RANGE 0x20 /* 0x00 - 0x1F */
+#define ID "sym53c416" /* Attention: copied to the sym53c416.h */
+#define PIO_SIZE 128 /* Size of PIO fifo is 128 bytes */
+
+#define READ_TIMEOUT 150
+#define WRITE_TIMEOUT 150
+
+#ifdef MODULE
+
+#define sym53c416_base sym53c416
+#define sym53c416_base_1 sym53c416_1
+#define sym53c416_base_2 sym53c416_2
+#define sym53c416_base_3 sym53c416_3
+
+static unsigned int sym53c416_base[2] = {0,0};
+static unsigned int sym53c416_base_1[2] = {0,0};
+static unsigned int sym53c416_base_2[2] = {0,0};
+static unsigned int sym53c416_base_3[2] = {0,0};
+
+#endif
+
+#define MAXHOSTS 4
+
+#define SG_ADDRESS(buffer) ((char *) (page_address((buffer)->page)+(buffer)->offset))
+
+enum phases
+{
+ idle,
+ data_out,
+ data_in,
+ command_ph,
+ status_ph,
+ message_out,
+ message_in
+};
+
+typedef struct
+{
+ int base;
+ int irq;
+ int scsi_id;
+} host;
+
+static host hosts[MAXHOSTS] = {
+ {0, 0, SYM53C416_SCSI_ID},
+ {0, 0, SYM53C416_SCSI_ID},
+ {0, 0, SYM53C416_SCSI_ID},
+ {0, 0, SYM53C416_SCSI_ID}
+ };
+
+static int host_index = 0;
+static char info[120];
+static Scsi_Cmnd *current_command = NULL;
+static int fastpio = 1;
+
+static int probeaddrs[] = {0x200, 0x220, 0x240, 0};
+
+static void sym53c416_set_transfer_counter(int base, unsigned int len)
+{
+ /* Program Transfer Counter */
+ outb(len & 0x0000FF, base + TC_LOW);
+ outb((len & 0x00FF00) >> 8, base + TC_MID);
+ outb((len & 0xFF0000) >> 16, base + TC_HIGH);
+}
+
+static DEFINE_SPINLOCK(sym53c416_lock);
+
+/* Returns the number of bytes read */
+static __inline__ unsigned int sym53c416_read(int base, unsigned char *buffer, unsigned int len)
+{
+ unsigned int orig_len = len;
+ unsigned long flags = 0;
+ unsigned int bytes_left;
+ unsigned long i;
+ int timeout = READ_TIMEOUT;
+
+ /* Do transfer */
+ spin_lock_irqsave(&sym53c416_lock, flags);
+ while(len && timeout)
+ {
+ bytes_left = inb(base + PIO_FIFO_CNT); /* Number of bytes in the PIO FIFO */
+ if(fastpio && bytes_left > 3)
+ {
+ insl(base + PIO_FIFO_1, buffer, bytes_left >> 2);
+ buffer += bytes_left & 0xFC;
+ len -= bytes_left & 0xFC;
+ }
+ else if(bytes_left > 0)
+ {
+ len -= bytes_left;
+ for(; bytes_left > 0; bytes_left--)
+ *(buffer++) = inb(base + PIO_FIFO_1);
+ }
+ else
+ {
+ i = jiffies + timeout;
+ spin_unlock_irqrestore(&sym53c416_lock, flags);
+ while(time_before(jiffies, i) && (inb(base + PIO_INT_REG) & EMPTY) && timeout)
+ if(inb(base + PIO_INT_REG) & SCI)
+ timeout = 0;
+ spin_lock_irqsave(&sym53c416_lock, flags);
+ if(inb(base + PIO_INT_REG) & EMPTY)
+ timeout = 0;
+ }
+ }
+ spin_unlock_irqrestore(&sym53c416_lock, flags);
+ return orig_len - len;
+}
+
+/* Returns the number of bytes written */
+static __inline__ unsigned int sym53c416_write(int base, unsigned char *buffer, unsigned int len)
+{
+ unsigned int orig_len = len;
+ unsigned long flags = 0;
+ unsigned int bufferfree;
+ unsigned long i;
+ unsigned int timeout = WRITE_TIMEOUT;
+
+ /* Do transfer */
+ spin_lock_irqsave(&sym53c416_lock, flags);
+ while(len && timeout)
+ {
+ bufferfree = PIO_SIZE - inb(base + PIO_FIFO_CNT);
+ if(bufferfree > len)
+ bufferfree = len;
+ if(fastpio && bufferfree > 3)
+ {
+ outsl(base + PIO_FIFO_1, buffer, bufferfree >> 2);
+ buffer += bufferfree & 0xFC;
+ len -= bufferfree & 0xFC;
+ }
+ else if(bufferfree > 0)
+ {
+ len -= bufferfree;
+ for(; bufferfree > 0; bufferfree--)
+ outb(*(buffer++), base + PIO_FIFO_1);
+ }
+ else
+ {
+ i = jiffies + timeout;
+ spin_unlock_irqrestore(&sym53c416_lock, flags);
+ while(time_before(jiffies, i) && (inb(base + PIO_INT_REG) & FULL) && timeout)
+ ;
+ spin_lock_irqsave(&sym53c416_lock, flags);
+ if(inb(base + PIO_INT_REG) & FULL)
+ timeout = 0;
+ }
+ }
+ spin_unlock_irqrestore(&sym53c416_lock, flags);
+ return orig_len - len;
+}
+
+static irqreturn_t sym53c416_intr_handle(int irq, void *dev_id,
+ struct pt_regs *regs)
+{
+ struct Scsi_Host *dev = dev_id;
+ int base = 0;
+ int i;
+ unsigned long flags = 0;
+ unsigned char status_reg, pio_int_reg, int_reg;
+ struct scatterlist *sglist;
+ unsigned int sgcount;
+ unsigned int tot_trans = 0;
+
+ /* We search the base address of the host adapter which caused the interrupt */
+ /* FIXME: should pass dev_id sensibly as hosts[i] */
+ for(i = 0; i < host_index && !base; i++)
+ if(irq == hosts[i].irq)
+ base = hosts[i].base;
+ /* If no adapter found, we cannot handle the interrupt. Leave a message */
+ /* and continue. This should never happen... */
+ if(!base)
+ {
+ printk(KERN_ERR "sym53c416: No host adapter defined for interrupt %d\n", irq);
+ return IRQ_NONE;
+ }
+ /* Now we have the base address and we can start handling the interrupt */
+
+ spin_lock_irqsave(dev->host_lock,flags);
+ status_reg = inb(base + STATUS_REG);
+ pio_int_reg = inb(base + PIO_INT_REG);
+ int_reg = inb(base + INT_REG);
+ spin_unlock_irqrestore(dev->host_lock, flags);
+
+ /* First, we handle error conditions */
+ if(int_reg & SCI) /* SCSI Reset */
+ {
+ printk(KERN_DEBUG "sym53c416: Reset received\n");
+ current_command->SCp.phase = idle;
+ current_command->result = DID_RESET << 16;
+ spin_lock_irqsave(dev->host_lock, flags);
+ current_command->scsi_done(current_command);
+ spin_unlock_irqrestore(dev->host_lock, flags);
+ goto out;
+ }
+ if(int_reg & ILCMD) /* Illegal Command */
+ {
+ printk(KERN_WARNING "sym53c416: Illegal Command: 0x%02x.\n", inb(base + COMMAND_REG));
+ current_command->SCp.phase = idle;
+ current_command->result = DID_ERROR << 16;
+ spin_lock_irqsave(dev->host_lock, flags);
+ current_command->scsi_done(current_command);
+ spin_unlock_irqrestore(dev->host_lock, flags);
+ goto out;
+ }
+ if(status_reg & GE) /* Gross Error */
+ {
+ printk(KERN_WARNING "sym53c416: Controller reports gross error.\n");
+ current_command->SCp.phase = idle;
+ current_command->result = DID_ERROR << 16;
+ spin_lock_irqsave(dev->host_lock, flags);
+ current_command->scsi_done(current_command);
+ spin_unlock_irqrestore(dev->host_lock, flags);
+ goto out;
+ }
+ if(status_reg & PE) /* Parity Error */
+ {
+ printk(KERN_WARNING "sym53c416:SCSI parity error.\n");
+ current_command->SCp.phase = idle;
+ current_command->result = DID_PARITY << 16;
+ spin_lock_irqsave(dev->host_lock, flags);
+ current_command->scsi_done(current_command);
+ spin_unlock_irqrestore(dev->host_lock, flags);
+ goto out;
+ }
+ if(pio_int_reg & (CE | OUE))
+ {
+ printk(KERN_WARNING "sym53c416: PIO interrupt error.\n");
+ current_command->SCp.phase = idle;
+ current_command->result = DID_ERROR << 16;
+ spin_lock_irqsave(dev->host_lock, flags);
+ current_command->scsi_done(current_command);
+ spin_unlock_irqrestore(dev->host_lock, flags);
+ goto out;
+ }
+ if(int_reg & DIS) /* Disconnect */
+ {
+ if(current_command->SCp.phase != message_in)
+ current_command->result = DID_NO_CONNECT << 16;
+ else
+ current_command->result = (current_command->SCp.Status & 0xFF) | ((current_command->SCp.Message & 0xFF) << 8) | (DID_OK << 16);
+ current_command->SCp.phase = idle;
+ spin_lock_irqsave(dev->host_lock, flags);
+ current_command->scsi_done(current_command);
+ spin_unlock_irqrestore(dev->host_lock, flags);
+ goto out;
+ }
+ /* Now we handle SCSI phases */
+
+ switch(status_reg & PHBITS) /* Filter SCSI phase out of status reg */
+ {
+ case PHASE_DATA_OUT:
+ {
+ if(int_reg & BS)
+ {
+ current_command->SCp.phase = data_out;
+ outb(FLUSH_FIFO, base + COMMAND_REG);
+ sym53c416_set_transfer_counter(base, current_command->request_bufflen);
+ outb(TRANSFER_INFORMATION | PIO_MODE, base + COMMAND_REG);
+ if(!current_command->use_sg)
+ tot_trans = sym53c416_write(base, current_command->request_buffer, current_command->request_bufflen);
+ else
+ {
+ sgcount = current_command->use_sg;
+ sglist = current_command->request_buffer;
+ while(sgcount--)
+ {
+ tot_trans += sym53c416_write(base, SG_ADDRESS(sglist), sglist->length);
+ sglist++;
+ }
+ }
+ if(tot_trans < current_command->underflow)
+ printk(KERN_WARNING "sym53c416: Underflow, wrote %d bytes, request for %d bytes.\n", tot_trans, current_command->underflow);
+ }
+ break;
+ }
+
+ case PHASE_DATA_IN:
+ {
+ if(int_reg & BS)
+ {
+ current_command->SCp.phase = data_in;
+ outb(FLUSH_FIFO, base + COMMAND_REG);
+ sym53c416_set_transfer_counter(base, current_command->request_bufflen);
+ outb(TRANSFER_INFORMATION | PIO_MODE, base + COMMAND_REG);
+ if(!current_command->use_sg)
+ tot_trans = sym53c416_read(base, current_command->request_buffer, current_command->request_bufflen);
+ else
+ {
+ sgcount = current_command->use_sg;
+ sglist = current_command->request_buffer;
+ while(sgcount--)
+ {
+ tot_trans += sym53c416_read(base, SG_ADDRESS(sglist), sglist->length);
+ sglist++;
+ }
+ }
+ if(tot_trans < current_command->underflow)
+ printk(KERN_WARNING "sym53c416: Underflow, read %d bytes, request for %d bytes.\n", tot_trans, current_command->underflow);
+ }
+ break;
+ }
+
+ case PHASE_COMMAND:
+ {
+ current_command->SCp.phase = command_ph;
+ printk(KERN_ERR "sym53c416: Unknown interrupt in command phase.\n");
+ break;
+ }
+
+ case PHASE_STATUS:
+ {
+ current_command->SCp.phase = status_ph;
+ outb(FLUSH_FIFO, base + COMMAND_REG);
+ outb(INIT_COMM_COMPLETE_SEQ, base + COMMAND_REG);
+ break;
+ }
+
+ case PHASE_RESERVED_1:
+ case PHASE_RESERVED_2:
+ {
+ printk(KERN_ERR "sym53c416: Reserved phase occurred.\n");
+ break;
+ }
+
+ case PHASE_MESSAGE_OUT:
+ {
+ current_command->SCp.phase = message_out;
+ outb(SET_ATN, base + COMMAND_REG);
+ outb(MSG_ACCEPTED, base + COMMAND_REG);
+ break;
+ }
+
+ case PHASE_MESSAGE_IN:
+ {
+ current_command->SCp.phase = message_in;
+ current_command->SCp.Status = inb(base + SCSI_FIFO);
+ current_command->SCp.Message = inb(base + SCSI_FIFO);
+ if(current_command->SCp.Message == SAVE_POINTERS || current_command->SCp.Message == DISCONNECT)
+ outb(SET_ATN, base + COMMAND_REG);
+ outb(MSG_ACCEPTED, base + COMMAND_REG);
+ break;
+ }
+ }
+out:
+ return IRQ_HANDLED;
+}
+
+static void sym53c416_init(int base, int scsi_id)
+{
+ outb(RESET_CHIP, base + COMMAND_REG);
+ outb(NOOP, base + COMMAND_REG);
+ outb(0x99, base + TOM); /* Time out of 250 ms */
+ outb(0x05, base + STP);
+ outb(0x00, base + SYNC_OFFSET);
+ outb(EPC | scsi_id, base + CONF_REG_1);
+ outb(FE | SCSI2 | TBPA, base + CONF_REG_2);
+ outb(IDMRC | QTE | CDB10 | FSCSI | FCLK, base + CONF_REG_3);
+ outb(0x83 | EAN, base + CONF_REG_4);
+ outb(IE | WSE0, base + CONF_REG_5);
+ outb(0, base + FEATURE_EN);
+}
+
+static int sym53c416_probeirq(int base, int scsi_id)
+{
+ int irq, irqs;
+ unsigned long i;
+
+ /* Clear interrupt register */
+ inb(base + INT_REG);
+ /* Start probing for irq's */
+ irqs = probe_irq_on();
+ /* Reinit chip */
+ sym53c416_init(base, scsi_id);
+ /* Cause interrupt */
+ outb(NOOP, base + COMMAND_REG);
+ outb(ILLEGAL, base + COMMAND_REG);
+ outb(0x07, base + DEST_BUS_ID);
+ outb(0x00, base + DEST_BUS_ID);
+ /* Wait for interrupt to occur */
+ i = jiffies + 20;
+ while(time_before(jiffies, i) && !(inb(base + STATUS_REG) & SCI))
+ barrier();
+ if(time_before_eq(i, jiffies)) /* timed out */
+ return 0;
+ /* Get occurred irq */
+ irq = probe_irq_off(irqs);
+ sym53c416_init(base, scsi_id);
+ return irq;
+}
+
+/* Setup: sym53c416=base,irq */
+void sym53c416_setup(char *str, int *ints)
+{
+ int i;
+
+ if(host_index >= MAXHOSTS)
+ {
+ printk(KERN_WARNING "sym53c416: Too many hosts defined\n");
+ return;
+ }
+ if(ints[0] < 1 || ints[0] > 2)
+ {
+ printk(KERN_ERR "sym53c416: Wrong number of parameters:\n");
+ printk(KERN_ERR "sym53c416: usage: sym53c416=<base>[,<irq>]\n");
+ return;
+ }
+ for(i = 0; i < host_index && i >= 0; i++)
+ if(hosts[i].base == ints[1])
+ i = -2;
+ if(i >= 0)
+ {
+ hosts[host_index].base = ints[1];
+ hosts[host_index].irq = (ints[0] == 2)? ints[2] : 0;
+ host_index++;
+ }
+}
+
+static int sym53c416_test(int base)
+{
+ outb(RESET_CHIP, base + COMMAND_REG);
+ outb(NOOP, base + COMMAND_REG);
+ if(inb(base + COMMAND_REG) != NOOP)
+ return 0;
+ if(!inb(base + TC_HIGH) || inb(base + TC_HIGH) == 0xFF)
+ return 0;
+ if((inb(base + PIO_INT_REG) & (FULL | EMPTY | CE | OUE | FIE | EIE)) != EMPTY)
+ return 0;
+ return 1;
+}
+
+
+static struct isapnp_device_id id_table[] __devinitdata = {
+ { ISAPNP_ANY_ID, ISAPNP_ANY_ID,
+ ISAPNP_VENDOR('S','L','I'), ISAPNP_FUNCTION(0x4161), 0 },
+ { ISAPNP_ANY_ID, ISAPNP_ANY_ID,
+ ISAPNP_VENDOR('S','L','I'), ISAPNP_FUNCTION(0x4163), 0 },
+ { ISAPNP_DEVICE_SINGLE_END }
+};
+
+MODULE_DEVICE_TABLE(isapnp, id_table);
+
+static void sym53c416_probe(void)
+{
+ int *base = probeaddrs;
+ int ints[2];
+
+ ints[0] = 1;
+ for(; *base; base++) {
+ if (request_region(*base, IO_RANGE, ID)) {
+ if (sym53c416_test(*base)) {
+ ints[1] = *base;
+ sym53c416_setup(NULL, ints);
+ }
+ release_region(*base, IO_RANGE);
+ }
+ }
+}
+
+int __init sym53c416_detect(Scsi_Host_Template *tpnt)
+{
+ unsigned long flags;
+ struct Scsi_Host * shpnt = NULL;
+ int i;
+ int count;
+ struct pnp_dev *idev = NULL;
+
+#ifdef MODULE
+ int ints[3];
+
+ ints[0] = 2;
+ if(sym53c416_base)
+ {
+ ints[1] = sym53c416_base[0];
+ ints[2] = sym53c416_base[1];
+ sym53c416_setup(NULL, ints);
+ }
+ if(sym53c416_base_1)
+ {
+ ints[1] = sym53c416_base_1[0];
+ ints[2] = sym53c416_base_1[1];
+ sym53c416_setup(NULL, ints);
+ }
+ if(sym53c416_base_2)
+ {
+ ints[1] = sym53c416_base_2[0];
+ ints[2] = sym53c416_base_2[1];
+ sym53c416_setup(NULL, ints);
+ }
+ if(sym53c416_base_3)
+ {
+ ints[1] = sym53c416_base_3[0];
+ ints[2] = sym53c416_base_3[1];
+ sym53c416_setup(NULL, ints);
+ }
+#endif
+ printk(KERN_INFO "sym53c416.c: %s\n", VERSION_STRING);
+
+ for (i=0; id_table[i].vendor != 0; i++) {
+ while((idev=pnp_find_dev(NULL, id_table[i].vendor,
+ id_table[i].function, idev))!=NULL)
+ {
+ int i[3];
+
+ if(pnp_device_attach(idev)<0)
+ {
+ printk(KERN_WARNING "sym53c416: unable to attach PnP device.\n");
+ continue;
+ }
+ if(pnp_activate_dev(idev) < 0)
+ {
+ printk(KERN_WARNING "sym53c416: unable to activate PnP device.\n");
+ pnp_device_detach(idev);
+ continue;
+
+ }
+
+ i[0] = 2;
+ i[1] = pnp_port_start(idev, 0);
+ i[2] = pnp_irq(idev, 0);
+
+ printk(KERN_INFO "sym53c416: ISAPnP card found and configured at 0x%X, IRQ %d.\n",
+ i[1], i[2]);
+ sym53c416_setup(NULL, i);
+ }
+ }
+ sym53c416_probe();
+
+ /* Now we register and set up each host adapter found... */
+ for(count = 0, i = 0; i < host_index; i++) {
+ if (!request_region(hosts[i].base, IO_RANGE, ID))
+ continue;
+ if (!sym53c416_test(hosts[i].base)) {
+ printk(KERN_WARNING "No sym53c416 found at address 0x%03x\n", hosts[i].base);
+ goto fail_release_region;
+ }
+
+ /* We don't have an irq yet, so we should probe for one */
+ if (!hosts[i].irq)
+ hosts[i].irq = sym53c416_probeirq(hosts[i].base, hosts[i].scsi_id);
+ if (!hosts[i].irq)
+ goto fail_release_region;
+
+ shpnt = scsi_register(tpnt, 0);
+ if (!shpnt)
+ goto fail_release_region;
+ /* Request for specified IRQ */
+ if (request_irq(hosts[i].irq, sym53c416_intr_handle, 0, ID, shpnt))
+ goto fail_free_host;
+
+ spin_lock_irqsave(&sym53c416_lock, flags);
+ shpnt->unique_id = hosts[i].base;
+ shpnt->io_port = hosts[i].base;
+ shpnt->n_io_port = IO_RANGE;
+ shpnt->irq = hosts[i].irq;
+ shpnt->this_id = hosts[i].scsi_id;
+ sym53c416_init(hosts[i].base, hosts[i].scsi_id);
+ count++;
+ spin_unlock_irqrestore(&sym53c416_lock, flags);
+ continue;
+
+ fail_free_host:
+ scsi_unregister(shpnt);
+ fail_release_region:
+ release_region(hosts[i].base, IO_RANGE);
+ }
+ return count;
+}
+
+const char *sym53c416_info(struct Scsi_Host *SChost)
+{
+ int i;
+ int base = SChost->io_port;
+ int irq = SChost->irq;
+ int scsi_id = 0;
+ int rev = inb(base + TC_HIGH);
+
+ for(i = 0; i < host_index; i++)
+ if(hosts[i].base == base)
+ scsi_id = hosts[i].scsi_id;
+ sprintf(info, "Symbios Logic 53c416 (rev. %d) at 0x%03x, irq %d, SCSI-ID %d, %s pio", rev, base, irq, scsi_id, (fastpio)? "fast" : "slow");
+ return info;
+}
+
+int sym53c416_queuecommand(Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *))
+{
+ int base;
+ unsigned long flags = 0;
+ int i;
+
+ /* Store base register as we can have more than one controller in the system */
+ base = SCpnt->device->host->io_port;
+ current_command = SCpnt; /* set current command */
+ current_command->scsi_done = done; /* set ptr to done function */
+ current_command->SCp.phase = command_ph; /* currect phase is the command phase */
+ current_command->SCp.Status = 0;
+ current_command->SCp.Message = 0;
+
+ spin_lock_irqsave(&sym53c416_lock, flags);
+ outb(SCpnt->device->id, base + DEST_BUS_ID); /* Set scsi id target */
+ outb(FLUSH_FIFO, base + COMMAND_REG); /* Flush SCSI and PIO FIFO's */
+ /* Write SCSI command into the SCSI fifo */
+ for(i = 0; i < SCpnt->cmd_len; i++)
+ outb(SCpnt->cmnd[i], base + SCSI_FIFO);
+ /* Start selection sequence */
+ outb(SEL_WITHOUT_ATN_SEQ, base + COMMAND_REG);
+ /* Now an interrupt will be generated which we will catch in out interrupt routine */
+ spin_unlock_irqrestore(&sym53c416_lock, flags);
+ return 0;
+}
+
+static int sym53c416_abort(Scsi_Cmnd *SCpnt)
+{
+ return FAILED;
+}
+
+static int sym53c416_bus_reset(Scsi_Cmnd *SCpnt)
+{
+ return FAILED;
+}
+
+static int sym53c416_device_reset(Scsi_Cmnd *SCpnt)
+{
+ return FAILED;
+}
+
+static int sym53c416_host_reset(Scsi_Cmnd *SCpnt)
+{
+ int base;
+ int scsi_id = -1;
+ int i;
+
+ /* printk("sym53c416_reset\n"); */
+ base = SCpnt->device->host->io_port;
+ /* search scsi_id - fixme, we shouldnt need to iterate for this! */
+ for(i = 0; i < host_index && scsi_id != -1; i++)
+ if(hosts[i].base == base)
+ scsi_id = hosts[i].scsi_id;
+ outb(RESET_CHIP, base + COMMAND_REG);
+ outb(NOOP | PIO_MODE, base + COMMAND_REG);
+ outb(RESET_SCSI_BUS, base + COMMAND_REG);
+ sym53c416_init(base, scsi_id);
+ return SUCCESS;
+}
+
+static int sym53c416_release(struct Scsi_Host *shost)
+{
+ if (shost->irq)
+ free_irq(shost->irq, shost);
+ if (shost->io_port && shost->n_io_port)
+ release_region(shost->io_port, shost->n_io_port);
+ return 0;
+}
+
+static int sym53c416_bios_param(struct scsi_device *sdev,
+ struct block_device *dev,
+ sector_t capacity, int *ip)
+{
+ int size;
+
+ size = capacity;
+ ip[0] = 64; /* heads */
+ ip[1] = 32; /* sectors */
+ if((ip[2] = size >> 11) > 1024) /* cylinders, test for big disk */
+ {
+ ip[0] = 255; /* heads */
+ ip[1] = 63; /* sectors */
+ ip[2] = size / (255 * 63); /* cylinders */
+ }
+ return 0;
+}
+
+/* Loadable module support */
+#ifdef MODULE
+
+MODULE_AUTHOR("Lieven Willems");
+MODULE_LICENSE("GPL");
+
+module_param_array(sym53c416, uint, NULL, 0);
+module_param_array(sym53c416_1, uint, NULL, 0);
+module_param_array(sym53c416_2, uint, NULL, 0);
+module_param_array(sym53c416_3, uint, NULL, 0);
+
+#endif
+
+static Scsi_Host_Template driver_template = {
+ .proc_name = "sym53c416",
+ .name = "Symbios Logic 53c416",
+ .detect = sym53c416_detect,
+ .info = sym53c416_info,
+ .queuecommand = sym53c416_queuecommand,
+ .eh_abort_handler = sym53c416_abort,
+ .eh_host_reset_handler =sym53c416_host_reset,
+ .eh_bus_reset_handler = sym53c416_bus_reset,
+ .eh_device_reset_handler =sym53c416_device_reset,
+ .release = sym53c416_release,
+ .bios_param = sym53c416_bios_param,
+ .can_queue = 1,
+ .this_id = SYM53C416_SCSI_ID,
+ .sg_tablesize = 32,
+ .cmd_per_lun = 1,
+ .unchecked_isa_dma = 1,
+ .use_clustering = ENABLE_CLUSTERING,
+};
+#include "scsi_module.c"