Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / isdn / hardware / mISDN / iohelper.h

diff --git a/kernel/drivers/isdn/hardware/mISDN/iohelper.h b/kernel/drivers/isdn/hardware/mISDN/iohelper.h
new file mode 100644 (file)
index 0000000..c3e7bb1
--- /dev/null
+++ b/kernel/drivers/isdn/hardware/mISDN/iohelper.h
@@ -0,0 +1,109 @@
+/*
+ * iohelper.h
+ *             helper for define functions to access ISDN hardware
+ *              supported are memory mapped IO
+ *             indirect port IO (one port for address, one for data)
+ *
+ * Author       Karsten Keil <keil@isdn4linux.de>
+ *
+ * Copyright 2009  by Karsten Keil <keil@isdn4linux.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef _IOHELPER_H
+#define _IOHELPER_H
+
+typedef        u8      (read_reg_func)(void *hwp, u8 offset);
+                              typedef  void    (write_reg_func)(void *hwp, u8 offset, u8 value);
+                              typedef  void    (fifo_func)(void *hwp, u8 offset, u8 *datap, int size);
+
+                              struct _ioport {
+                                      u32      port;
+                                      u32      ale;
+                              };
+
+#define IOFUNC_IO(name, hws, ap)                                       \
+       static u8 Read##name##_IO(void *p, u8 off) {                    \
+               struct hws *hw = p;                                     \
+               return inb(hw->ap.port + off);                          \
+       }                                                               \
+       static void Write##name##_IO(void *p, u8 off, u8 val) {         \
+               struct hws *hw = p;                                     \
+               outb(val, hw->ap.port + off);                           \
+       }                                                               \
+       static void ReadFiFo##name##_IO(void *p, u8 off, u8 *dp, int size) { \
+               struct hws *hw = p;                                     \
+               insb(hw->ap.port + off, dp, size);                      \
+       }                                                               \
+       static void WriteFiFo##name##_IO(void *p, u8 off, u8 *dp, int size) { \
+               struct hws *hw = p;                                     \
+               outsb(hw->ap.port + off, dp, size);                     \
+       }
+
+#define IOFUNC_IND(name, hws, ap)                                      \
+       static u8 Read##name##_IND(void *p, u8 off) {                   \
+               struct hws *hw = p;                                     \
+               outb(off, hw->ap.ale);                                  \
+               return inb(hw->ap.port);                                \
+       }                                                               \
+       static void Write##name##_IND(void *p, u8 off, u8 val) {        \
+               struct hws *hw = p;                                     \
+               outb(off, hw->ap.ale);                                  \
+               outb(val, hw->ap.port);                                 \
+       }                                                               \
+       static void ReadFiFo##name##_IND(void *p, u8 off, u8 *dp, int size) { \
+               struct hws *hw = p;                                     \
+               outb(off, hw->ap.ale);                                  \
+               insb(hw->ap.port, dp, size);                            \
+       }                                                               \
+       static void WriteFiFo##name##_IND(void *p, u8 off, u8 *dp, int size) { \
+               struct hws *hw = p;                                     \
+               outb(off, hw->ap.ale);                                  \
+               outsb(hw->ap.port, dp, size);                           \
+       }
+
+#define IOFUNC_MEMIO(name, hws, typ, adr)                              \
+       static u8 Read##name##_MIO(void *p, u8 off) {                   \
+               struct hws *hw = p;                                     \
+               return readb(((typ *)hw->adr) + off);                   \
+       }                                                               \
+       static void Write##name##_MIO(void *p, u8 off, u8 val) {        \
+               struct hws *hw = p;                                     \
+               writeb(val, ((typ *)hw->adr) + off);                    \
+       }                                                               \
+       static void ReadFiFo##name##_MIO(void *p, u8 off, u8 *dp, int size) { \
+               struct hws *hw = p;                                     \
+               while (size--)                                          \
+                       *dp++ = readb(((typ *)hw->adr) + off);          \
+       }                                                               \
+       static void WriteFiFo##name##_MIO(void *p, u8 off, u8 *dp, int size) { \
+               struct hws *hw = p;                                     \
+               while (size--)                                          \
+                       writeb(*dp++, ((typ *)hw->adr) + off);          \
+       }
+
+#define ASSIGN_FUNC(typ, name, dest)   do {                    \
+               dest.read_reg = &Read##name##_##typ;            \
+               dest.write_reg = &Write##name##_##typ;          \
+               dest.read_fifo = &ReadFiFo##name##_##typ;       \
+               dest.write_fifo = &WriteFiFo##name##_##typ;     \
+       } while (0)
+#define ASSIGN_FUNC_IPAC(typ, target)  do {            \
+               ASSIGN_FUNC(typ, ISAC, target.isac);    \
+               ASSIGN_FUNC(typ, IPAC, target);         \
+       } while (0)
+
+#endif