These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / net / arcnet / com20020.h

diff --git a/kernel/drivers/net/arcnet/com20020.h b/kernel/drivers/net/arcnet/com20020.h
new file mode 100644 (file)
index 0000000..0bcc5d0
--- /dev/null
+++ b/kernel/drivers/net/arcnet/com20020.h
@@ -0,0 +1,132 @@
+/*
+ * 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
+#include <linux/leds.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
+
+#define PLX_PCI_MAX_CARDS 2
+
+struct ledoffsets {
+       int green;
+       int red;
+};
+
+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];
+       struct com20020_pci_channel_map misc_map;
+
+       struct ledoffsets leds[PLX_PCI_MAX_CARDS];
+       int rotary;
+
+       unsigned int flags;
+};
+
+struct com20020_priv {
+       struct com20020_pci_card_info *ci;
+       struct list_head list_dev;
+       resource_size_t misc;
+};
+
+struct com20020_dev {
+       struct list_head list;
+       struct net_device *dev;
+
+       struct led_classdev tx_led;
+       struct led_classdev recon_led;
+
+       struct com20020_priv *pci_priv;
+       int index;
+};
+
+#define COM20020_REG_W_INTMASK 0       /* writable */
+#define COM20020_REG_R_STATUS  0       /* readable */
+#define COM20020_REG_W_COMMAND 1       /* standard arcnet commands */
+#define COM20020_REG_R_DIAGSTAT        1       /* diagnostic status */
+#define COM20020_REG_W_ADDR_HI 2       /* control for IO-mapped memory */
+#define COM20020_REG_W_ADDR_LO 3
+#define COM20020_REG_RW_MEMDATA        4       /* data port for IO-mapped memory */
+#define COM20020_REG_W_SUBADR  5       /* the extended port _XREG refers to */
+#define COM20020_REG_W_CONFIG  6       /* configuration */
+#define COM20020_REG_W_XREG    7       /* extra
+                                        * (indexed by _CONFIG or _SUBADDR)
+                                        */
+
+/* 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 */
+#define XTOcfg(x)      ((x) << 3)      /* extended timeout */
+
+/* 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 */
+
+static inline void com20020_set_subaddress(struct arcnet_local *lp,
+                                          int ioaddr, int val)
+{
+       if (val < 4) {
+               lp->config = (lp->config & ~0x03) | val;
+               arcnet_outb(lp->config, ioaddr, COM20020_REG_W_CONFIG);
+       } else {
+               arcnet_outb(val, ioaddr, COM20020_REG_W_SUBADR);
+       }
+}
+
+#endif /* __COM20020_H */