Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / com20020.h

diff --git a/kernel/include/linux/com20020.h b/kernel/include/linux/com20020.h
new file mode 100644 (file)
index 0000000..8589899
--- /dev/null
+++ b/kernel/include/linux/com20020.h
@@ -0,0 +1,145 @@
+/*
+ * Linux ARCnet driver - COM20020 chipset support - function declarations
+ * 
+ * Written 1997 by David Woodhouse.
+ * Written 1994-1999 by Avery Pennarun.
+ * Derived from skeleton.c by Donald Becker.
+ *
+ * Special thanks to Contemporary Controls, Inc. (www.ccontrols.com)
+ *  for sponsoring the further development of this driver.
+ *
+ * **********************
+ *
+ * The original copyright of skeleton.c was as follows:
+ *
+ * skeleton.c Written 1993 by Donald Becker.
+ * Copyright 1993 United States Government as represented by the
+ * Director, National Security Agency.  This software may only be used
+ * and distributed according to the terms of the GNU General Public License as
+ * modified by SRC, incorporated herein by reference.
+ *
+ * **********************
+ *
+ * For more details, see drivers/net/arcnet.c
+ *
+ * **********************
+ */
+#ifndef __COM20020_H
+#define __COM20020_H
+
+int com20020_check(struct net_device *dev);
+int com20020_found(struct net_device *dev, int shared);
+extern const struct net_device_ops com20020_netdev_ops;
+
+/* The number of low I/O ports used by the card. */
+#define ARCNET_TOTAL_SIZE 8
+
+/* various register addresses */
+#ifdef CONFIG_SA1100_CT6001
+#define BUS_ALIGN  2  /* 8 bit device on a 16 bit bus - needs padding */
+#else
+#define BUS_ALIGN  1
+#endif
+
+#define PLX_PCI_MAX_CARDS 2
+
+struct com20020_pci_channel_map {
+       u32 bar;
+       u32 offset;
+       u32 size;               /* 0x00 - auto, e.g. length of entire bar */
+};
+
+struct com20020_pci_card_info {
+       const char *name;
+       int devcount;
+
+       struct com20020_pci_channel_map chan_map_tbl[PLX_PCI_MAX_CARDS];
+
+       unsigned int flags;
+};
+
+struct com20020_priv {
+       struct com20020_pci_card_info *ci;
+       struct list_head list_dev;
+};
+
+struct com20020_dev {
+       struct list_head list;
+       struct net_device *dev;
+
+       struct com20020_priv *pci_priv;
+       int index;
+};
+
+#define _INTMASK  (ioaddr+BUS_ALIGN*0) /* writable */
+#define _STATUS   (ioaddr+BUS_ALIGN*0) /* readable */
+#define _COMMAND  (ioaddr+BUS_ALIGN*1) /* standard arcnet commands */
+#define _DIAGSTAT (ioaddr+BUS_ALIGN*1) /* diagnostic status register */
+#define _ADDR_HI  (ioaddr+BUS_ALIGN*2) /* control registers for IO-mapped memory */
+#define _ADDR_LO  (ioaddr+BUS_ALIGN*3)
+#define _MEMDATA  (ioaddr+BUS_ALIGN*4) /* data port for IO-mapped memory */
+#define _SUBADR   (ioaddr+BUS_ALIGN*5) /* the extended port _XREG refers to */
+#define _CONFIG   (ioaddr+BUS_ALIGN*6) /* configuration register */
+#define _XREG     (ioaddr+BUS_ALIGN*7) /* extra registers (indexed by _CONFIG
+                                       or _SUBADR) */
+
+/* in the ADDR_HI register */
+#define RDDATAflag     0x80    /* next access is a read (not a write) */
+
+/* in the DIAGSTAT register */
+#define NEWNXTIDflag   0x02    /* ID to which token is passed has changed */
+
+/* in the CONFIG register */
+#define RESETcfg       0x80    /* put card in reset state */
+#define TXENcfg                0x20    /* enable TX */
+
+/* in SETUP register */
+#define PROMISCset     0x10    /* enable RCV_ALL */
+#define P1MODE         0x80    /* enable P1-MODE for Backplane */
+#define SLOWARB                0x01    /* enable Slow Arbitration for >=5Mbps */
+
+/* COM2002x */
+#define SUB_TENTATIVE  0       /* tentative node ID */
+#define SUB_NODE       1       /* node ID */
+#define SUB_SETUP1     2       /* various options */
+#define SUB_TEST       3       /* test/diag register */
+
+/* COM20022 only */
+#define SUB_SETUP2     4       /* sundry options */
+#define SUB_BUSCTL     5       /* bus control options */
+#define SUB_DMACOUNT   6       /* DMA count options */
+
+#define SET_SUBADR(x) do { \
+       if ((x) < 4) \
+       { \
+               lp->config = (lp->config & ~0x03) | (x); \
+               SETCONF; \
+       } \
+       else \
+       { \
+               outb(x, _SUBADR); \
+       } \
+} while (0)
+
+#undef ARCRESET
+#undef ASTATUS
+#undef ACOMMAND
+#undef AINTMASK
+
+#define ARCRESET { outb(lp->config | 0x80, _CONFIG); \
+                   udelay(5);                        \
+                   outb(lp->config , _CONFIG);       \
+                  }
+#define ARCRESET0 { outb(0x18 | 0x80, _CONFIG);   \
+                   udelay(5);                       \
+                   outb(0x18 , _CONFIG);            \
+                  }
+
+#define ASTATUS()      inb(_STATUS)
+#define ADIAGSTATUS()  inb(_DIAGSTAT)
+#define ACOMMAND(cmd)  outb((cmd),_COMMAND)
+#define AINTMASK(msk)  outb((msk),_INTMASK)
+
+#define SETCONF                outb(lp->config, _CONFIG)
+
+#endif /* __COM20020_H */