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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-17 02:20:36 +0400
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-17 02:20:36 +0400
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /drivers/scsi/qlogicfas408.h
downloadlinux-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.tar.xz
Linux-2.6.12-rc2v2.6.12-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!
Diffstat (limited to 'drivers/scsi/qlogicfas408.h')
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diff --git a/drivers/scsi/qlogicfas408.h b/drivers/scsi/qlogicfas408.h
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+++ b/drivers/scsi/qlogicfas408.h
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+/* to be used by qlogicfas and qlogic_cs */
+#ifndef __QLOGICFAS408_H
+#define __QLOGICFAS408_H
+
+/*----------------------------------------------------------------*/
+/* Configuration */
+
+/* Set the following to max out the speed of the PIO PseudoDMA transfers,
+ again, 0 tends to be slower, but more stable. */
+
+#define QL_TURBO_PDMA 1
+
+/* This should be 1 to enable parity detection */
+
+#define QL_ENABLE_PARITY 1
+
+/* This will reset all devices when the driver is initialized (during bootup).
+ The other linux drivers don't do this, but the DOS drivers do, and after
+ using DOS or some kind of crash or lockup this will bring things back
+ without requiring a cold boot. It does take some time to recover from a
+ reset, so it is slower, and I have seen timeouts so that devices weren't
+ recognized when this was set. */
+
+#define QL_RESET_AT_START 0
+
+/* crystal frequency in megahertz (for offset 5 and 9)
+ Please set this for your card. Most Qlogic cards are 40 Mhz. The
+ Control Concepts ISA (not VLB) is 24 Mhz */
+
+#define XTALFREQ 40
+
+/**********/
+/* DANGER! modify these at your own risk */
+/* SLOWCABLE can usually be reset to zero if you have a clean setup and
+ proper termination. The rest are for synchronous transfers and other
+ advanced features if your device can transfer faster than 5Mb/sec.
+ If you are really curious, email me for a quick howto until I have
+ something official */
+/**********/
+
+/*****/
+/* config register 1 (offset 8) options */
+/* This needs to be set to 1 if your cabling is long or noisy */
+#define SLOWCABLE 1
+
+/*****/
+/* offset 0xc */
+/* This will set fast (10Mhz) synchronous timing when set to 1
+ For this to have an effect, FASTCLK must also be 1 */
+#define FASTSCSI 0
+
+/* This when set to 1 will set a faster sync transfer rate */
+#define FASTCLK 0 /*(XTALFREQ>25?1:0)*/
+
+/*****/
+/* offset 6 */
+/* This is the sync transfer divisor, XTALFREQ/X will be the maximum
+ achievable data rate (assuming the rest of the system is capable
+ and set properly) */
+#define SYNCXFRPD 5 /*(XTALFREQ/5)*/
+
+/*****/
+/* offset 7 */
+/* This is the count of how many synchronous transfers can take place
+ i.e. how many reqs can occur before an ack is given.
+ The maximum value for this is 15, the upper bits can modify
+ REQ/ACK assertion and deassertion during synchronous transfers
+ If this is 0, the bus will only transfer asynchronously */
+#define SYNCOFFST 0
+/* for the curious, bits 7&6 control the deassertion delay in 1/2 cycles
+ of the 40Mhz clock. If FASTCLK is 1, specifying 01 (1/2) will
+ cause the deassertion to be early by 1/2 clock. Bits 5&4 control
+ the assertion delay, also in 1/2 clocks (FASTCLK is ignored here). */
+
+/*----------------------------------------------------------------*/
+
+struct qlogicfas408_priv {
+ int qbase; /* Port */
+ int qinitid; /* initiator ID */
+ int qabort; /* Flag to cause an abort */
+ int qlirq; /* IRQ being used */
+ int int_type; /* type of irq, 2 for ISA board, 0 for PCMCIA */
+ char qinfo[80]; /* description */
+ Scsi_Cmnd *qlcmd; /* current command being processed */
+ struct Scsi_Host *shost; /* pointer back to host */
+ struct qlogicfas408_priv *next; /* next private struct */
+};
+
+/* The qlogic card uses two register maps - These macros select which one */
+#define REG0 ( outb( inb( qbase + 0xd ) & 0x7f , qbase + 0xd ), outb( 4 , qbase + 0xd ))
+#define REG1 ( outb( inb( qbase + 0xd ) | 0x80 , qbase + 0xd ), outb( 0xb4 | int_type, qbase + 0xd ))
+
+/* following is watchdog timeout in microseconds */
+#define WATCHDOG 5000000
+
+/*----------------------------------------------------------------*/
+/* the following will set the monitor border color (useful to find
+ where something crashed or gets stuck at and as a simple profiler) */
+
+#define rtrc(i) {}
+
+#define get_priv_by_cmd(x) (struct qlogicfas408_priv *)&((x)->device->host->hostdata[0])
+#define get_priv_by_host(x) (struct qlogicfas408_priv *)&((x)->hostdata[0])
+
+irqreturn_t qlogicfas408_ihandl(int irq, void *dev_id, struct pt_regs *regs);
+int qlogicfas408_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *));
+int qlogicfas408_biosparam(struct scsi_device * disk,
+ struct block_device *dev,
+ sector_t capacity, int ip[]);
+int qlogicfas408_abort(Scsi_Cmnd * cmd);
+int qlogicfas408_bus_reset(Scsi_Cmnd * cmd);
+int qlogicfas408_host_reset(Scsi_Cmnd * cmd);
+int qlogicfas408_device_reset(Scsi_Cmnd * cmd);
+const char *qlogicfas408_info(struct Scsi_Host *host);
+int qlogicfas408_get_chip_type(int qbase, int int_type);
+void qlogicfas408_setup(int qbase, int id, int int_type);
+int qlogicfas408_detect(int qbase, int int_type);
+void qlogicfas408_disable_ints(struct qlogicfas408_priv *priv);
+#endif /* __QLOGICFAS408_H */
+