carl9170 firmware: add radar pattern generator

[carl9170fw.git] / include / pattern.h

diff --git a/include/pattern.h b/include/pattern.h
new file mode 100644 (file)
index 0000000..9f06923
--- /dev/null
+++ b/include/pattern.h
@@ -0,0 +1,156 @@
+/*
+ * carl9170 firmware - used by the ar9170 wireless device
+ *
+ * Pattern pulse definitions
+ *
+ * Copyright 2012 Christian Lamparter <chunkeey@googlemail.com>
+ *
+ * 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 of the License, 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.
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef __CARL9170FW_PATTERN_H
+#define __CARL9170FW_PATTERN_H
+
+#include "types.h"
+#include "compiler.h"
+#include "fwdesc.h"
+
+enum PATTERN_TYPE {
+       NO_PATTERN = 0,
+       ONE_KHZ,
+       TEN_KHZ,
+
+       ONE_TWO_KHZ,
+
+       FCC1,
+       FCC4,
+
+       ETSIFIXED,
+
+       /* keep last */
+       __CARL9170FW_NUM_PATTERNS
+};
+
+struct pattern_pulse_info {
+       unsigned int pulse_width;
+       unsigned int pulse_interval;
+       uint32_t     pulse_pattern;
+       uint32_t     pulse_mode;
+};
+
+struct pattern_info {
+       unsigned int pulses;
+       const struct pattern_pulse_info *pattern;
+};
+
+static const struct pattern_pulse_info pattern_NO_PATTERN[0] = {  };
+static const struct pattern_pulse_info pattern_ONE_KHZ[] = {
+       {
+               .pulse_width = 1,
+               .pulse_interval = 1000,
+               .pulse_pattern = 0xaa55,
+               .pulse_mode    = 0x17f01,
+       },
+};
+
+static const struct pattern_pulse_info pattern_TEN_KHZ[] = {
+       {
+               .pulse_width = 1,
+               .pulse_interval = 100,
+               .pulse_pattern = 0xaa55,
+               .pulse_mode    = 0x17f01,
+       },
+};
+
+static const struct pattern_pulse_info pattern_ONE_TWO_KHZ[] = {
+       {
+               .pulse_width = 1,
+               .pulse_interval = 1000,
+               .pulse_pattern = 0xaa55,
+               .pulse_mode    = 0x17f01,
+       },
+
+       {
+               .pulse_width = 10,
+               .pulse_interval = 500,
+               .pulse_pattern = 0xaa55,
+               .pulse_mode    = 0x17f01,
+       },
+};
+
+/*
+ * Data taken from:
+ * <http://linuxwireless.org/en/developers/DFS>
+ */
+
+/* FCC Test Signal 1 - 1us pulse, 1428 us interval */
+static const struct pattern_pulse_info pattern_FCC1[] = {
+       {
+               .pulse_width = 1,
+               .pulse_interval = 1428,
+               .pulse_pattern = 0xaa55,
+               .pulse_mode    = 0x17f01,
+       },
+};
+
+/* FCC Test Signal 4 - 11-20us pulse, 200-500 us interval */
+static const struct pattern_pulse_info pattern_FCC4[] = {
+       {
+               .pulse_width = 11,
+               .pulse_interval = 200,
+               .pulse_pattern = 0xaa55,
+               .pulse_mode    = 0x7f01,
+       },
+};
+
+/* ETSI Test Signal 1 (Fixed) - 1us Pulse, 750 us interval */
+static const struct pattern_pulse_info pattern_ETSIFIXED[] = {
+       {
+               .pulse_width = 1,
+               .pulse_interval = 750,
+               .pulse_pattern = 0xaa55,
+               .pulse_mode    = 0x7f01,
+       },
+};
+
+
+#define ADD_RADAR(name) [name] = { .pulses = ARRAY_SIZE(pattern_## name), .pattern = pattern_## name }
+
+static const struct pattern_info patterns[__CARL9170FW_NUM_PATTERNS] = {
+       ADD_RADAR(NO_PATTERN),
+       ADD_RADAR(ONE_KHZ),
+       ADD_RADAR(TEN_KHZ),
+       ADD_RADAR(ONE_TWO_KHZ),
+       ADD_RADAR(FCC1),
+       ADD_RADAR(FCC4),
+       ADD_RADAR(ETSIFIXED),
+};
+
+#define MAP_ENTRY(idx) [idx] = { .index = idx, .name = # idx , }
+#define NAMED_MAP_ENTRY(idx, named) [idx] = {.index = idx, .name = named, }
+
+static const struct carl9170fw_pattern_map_entry pattern_names[__CARL9170FW_NUM_PATTERNS] = {
+       MAP_ENTRY(NO_PATTERN),
+       MAP_ENTRY(ONE_KHZ),
+       MAP_ENTRY(TEN_KHZ),
+       MAP_ENTRY(ONE_TWO_KHZ),
+
+       MAP_ENTRY(FCC1),
+       MAP_ENTRY(FCC4),
+
+       MAP_ENTRY(ETSIFIXED),
+};
+
+#endif /* __CARL9170FW_PATTERN_H */