1 files changed, 274 insertions, 0 deletions

diff --git a/utils/regtools/headergen.cpp b/utils/regtools/headergen.cpp
new file mode 100644
index 0000000000..b6905363d8
--- /dev/null
+++ b/utils/regtools/headergen.cpp
@@ -0,0 +1,274 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 by Amaury Pouly
+ *
+ * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/ 
+#include "desc_parser.hpp"
+#include <stdio.h>
+#include <stdlib.h>
+#include <algorithm>
+#include <map>
+
+#define error(...) do{ fprintf(stderr, __VA_ARGS__); exit(1); } while(0)
+
+std::string g_soc_name;
+std::string g_soc_dev;
+std::string g_soc_reg;
+std::string g_soc_dev_regs_base;
+std::string g_soc_dev_reg_core_name;
+
+namespace {
+
+std::string tolower(const std::string s)
+{
+    std::string res = s;
+    std::transform(res.begin(), res.end(), res.begin(), ::tolower);
+    return res;
+}
+
+std::string toupper(const std::string& s)
+{
+    std::string res = s;
+    std::transform(res.begin(), res.end(), res.begin(), ::toupper);
+    return res;
+}
+
+}
+
+void fprint_copyright(FILE *f)
+{
+    fprintf(f,"\
+/***************************************************************************\n\
+ *             __________               __   ___.\n\
+ *   Open      \\______   \\ ____   ____ |  | _\\_ |__   _______  ___\n\
+ *   Source     |       _//  _ \\_/ ___\\|  |/ /| __ \\ /  _ \\  \\/  /\n\
+ *   Jukebox    |    |   (  <_> )  \\___|    < | \\_\\ (  <_> > <  <\n\
+ *   Firmware   |____|_  /\\____/ \\___  >__|_ \\|___  /\\____/__/\\_ \\\n\
+ *                     \\/            \\/     \\/    \\/            \\/\n\
+ * This file was automatically generated by headergen, DO NOT EDIT it.\n\
+ *\n\
+ * Copyright (C) 2012 by Amaury Pouly\n\
+ *\n\
+ * This program is free software; you can redistribute it and/or\n\
+ * modify it under the terms of the GNU General Public License\n\
+ * as published by the Free Software Foundation; either version 2\n\
+ * of the License, or (at your option) any later version.\n\
+ *\n\
+ * This software is distributed on an \"AS IS\" basis, WITHOUT WARRANTY OF ANY\n\
+ * KIND, either express or implied.\n\
+ *\n\
+ ****************************************************************************/\n");
+}
+
+void fprint_include_guard_ex(FILE *f, bool begin, const std::string& name)
+{
+    if(begin)
+    {
+        fprintf(f, "#ifndef %s\n", name.c_str());
+        fprintf(f, "#define %s\n", name.c_str());
+        fprintf(f, "\n#include \"imx233.h\"\n");
+    }
+    else
+        fprintf(f, "#endif /* %s */\n", name.c_str());
+}
+
+void fprint_include_guard(FILE *f, bool begin)
+{
+    std::string name = "__" + toupper(g_soc_name) + "__" + toupper(g_soc_dev)
+        + "__H__";
+    fprint_include_guard_ex(f, begin, name);
+}
+
+void fprint_fields(FILE *f, const std::vector< soc_reg_field_t >& fields)
+{
+    for(size_t i = 0; i < fields.size(); i++)
+    {
+        fprintf(f, "#define BM_%s_%s %#x\n", g_soc_dev_reg_core_name.c_str(),
+            fields[i].name.c_str(), fields[i].bitmask());
+        fprintf(f, "#define BP_%s_%s %d\n", g_soc_dev_reg_core_name.c_str(),
+            fields[i].name.c_str(), fields[i].first_bit);
+        fprintf(f, "#define BF_%s_%s(v) (((v) << %d) & %#x)\n",
+            g_soc_dev_reg_core_name.c_str(), fields[i].name.c_str(),
+            fields[i].first_bit, fields[i].bitmask());
+        if(fields[i].values.size() > 0)
+        {
+            fprintf(f, "#define BF_%s_%s_V(sym) ((BV_%s_%s__##sym << %d) & %#x)\n",
+                g_soc_dev_reg_core_name.c_str(), fields[i].name.c_str(),
+                g_soc_dev_reg_core_name.c_str(), fields[i].name.c_str(),
+                fields[i].first_bit, fields[i].bitmask());
+        }
+        for(size_t j = 0; j < fields[i].values.size(); j++)
+        {
+            fprintf(f, "#define BV_%s_%s__%s %#x\n", g_soc_dev_reg_core_name.c_str(),
+                fields[i].name.c_str(), fields[i].values[j].name.c_str(),
+                fields[i].values[j].value);
+        }
+    }
+}
+
+void fprint_reg(FILE *f, const soc_reg_t& reg)
+{
+    g_soc_dev_reg_core_name = toupper(g_soc_dev) + "_" + toupper(reg.name);
+
+    fprintf(f, "#define RA_%s %#x\n", g_soc_dev_reg_core_name.c_str(), reg.addr);
+    fprintf(f, "#define HW_%s HW_REG(%s, %s)\n", g_soc_dev_reg_core_name.c_str(),
+        toupper(g_soc_dev).c_str(), toupper(reg.name).c_str());
+    if(reg.flags & REG_HAS_SCT)
+    {
+        fprintf(f, "#define HW_%s_SET HW_SET(%s, %s)\n", g_soc_dev_reg_core_name.c_str(),
+            toupper(g_soc_dev).c_str(), toupper(reg.name).c_str());
+        fprintf(f, "#define HW_%s_CLR HW_CLR(%s, %s)\n", g_soc_dev_reg_core_name.c_str(),
+            toupper(g_soc_dev).c_str(), toupper(reg.name).c_str());
+        fprintf(f, "#define HW_%s_TOG HW_TOG(%s, %s)\n", g_soc_dev_reg_core_name.c_str(),
+            toupper(g_soc_dev).c_str(), toupper(reg.name).c_str());
+    }
+    fprint_fields(f, reg.fields);
+    fprintf(f, "\n");
+}
+
+void fprint_mreg(FILE *f, const soc_multireg_t& mreg)
+{
+}
+
+void gen_dev_header(const std::string& filename, const soc_dev_t& dev)
+{
+    g_soc_dev = dev.name;
+    printf("  Generate header for device %s: write to %s\n", dev.name.c_str(),
+        filename.c_str());
+    FILE *f = fopen(filename.c_str(), "w");
+    if(f == NULL)
+        error("Cannot open file %s\n", filename.c_str());
+    fprint_copyright(f);
+    fprint_include_guard(f, true);
+    fprintf(f, "\n");
+    g_soc_dev_regs_base = "RB_" + toupper(dev.name);
+    fprintf(f, "#define %s %#x\n", g_soc_dev_regs_base.c_str(), dev.addr);
+    fprintf(f, "\n");
+
+    for(size_t i = 0; i < dev.regs.size(); i++)
+        fprint_reg(f, dev.regs[i]);
+    for(size_t i = 0; i < dev.multiregs.size(); i++)
+        fprint_mreg(f, dev.multiregs[i]);
+    
+    fprint_include_guard(f, false);
+    fclose(f);
+}
+
+void gen_mdev_header(const std::string& filename, const soc_multidev_t& dev)
+{
+    g_soc_dev = dev.name;
+    printf("  Generate header for multi device %s: write to %s\n", dev.name.c_str(),
+        filename.c_str());
+}
+
+void gen_soc_headers(const std::string& prefix, const soc_t& soc)
+{
+    printf("Generate headers for soc %s: use directory %s (must exists)\n", soc.desc.c_str(),
+        prefix.c_str());
+    for(size_t i = 0; i < soc.devs.size(); i++)
+    {
+        std::string name = soc.devs[i].name;
+        name = tolower(name);
+        gen_dev_header(prefix + "/regs-" + name + ".h", soc.devs[i]);
+    }
+    for(size_t i = 0; i < soc.multidevs.size(); i++)
+    {
+        std::string name = soc.multidevs[i].name;
+        name = tolower(name);
+        gen_mdev_header(prefix + "/regs-" + name + ".h", soc.multidevs[i]);
+    }
+}
+
+void gen_headers(const std::string& prefix, const std::vector< soc_t >& socs)
+{
+    for(size_t i = 0; i < socs.size(); i++)
+    {
+        g_soc_name = socs[i].name;
+        gen_soc_headers(prefix + "/" + socs[i].name, socs[i]);
+    }
+}
+
+typedef std::map< std::string, std::vector< std::string > > general_dev_list_t;
+general_dev_list_t build_general_dev_list(const std::vector< soc_t >& socs)
+{
+    general_dev_list_t map;
+    for(size_t i = 0; i < socs.size(); i++)
+    {
+        for(size_t j = 0; j < socs[i].devs.size(); j++)
+            map[tolower(socs[i].devs[j].name)].push_back(socs[i].name);
+        for(size_t j = 0; j < socs[i].multidevs.size(); j++)
+            map[tolower(socs[i].multidevs[j].name)].push_back(socs[i].name);
+    }
+    return map;
+}
+
+void gen_select_header(const std::string& filename, const std::string& dev,
+    const std::vector< std::string >& socs)
+{
+    printf("Generate select header for device %s: write to %s\n", dev.c_str(),
+        filename.c_str());
+
+    std::string guard = "__SELECT__" + toupper(dev) + "__H__";
+    FILE *f = fopen(filename.c_str(), "w");
+    if(f == NULL)
+        error("Cannot open file %s\n", filename.c_str());
+    fprint_copyright(f);
+    fprint_include_guard_ex(f, true, guard);
+    fprintf(f, "\n");
+
+    for(size_t i = 0; i < socs.size(); i++)
+    {
+        fprintf(f, "#define %s_INCLUDE \"%s/regs-%s.h\"\n",
+            toupper(socs[i]).c_str(), tolower(socs[i]).c_str(),
+            tolower(dev).c_str());
+    }
+    fprintf(f, "\n#include \"regs-select.h\"\n\n");
+    for(size_t i = 0; i < socs.size(); i++)
+    {
+        fprintf(f, "#undef %s_INCLUDE\n", toupper(socs[i]).c_str());
+    }
+    fprintf(f, "\n");
+    fprint_include_guard_ex(f, false, guard);
+    fclose(f);
+}
+
+void gen_selectors(const std::string& prefix, const std::vector< soc_t >& socs)
+{
+    general_dev_list_t map = build_general_dev_list(socs);
+    for(general_dev_list_t::iterator it = map.begin(); it != map.end(); ++it)
+        gen_select_header(prefix + "/regs-" + it->first + ".h", it->first, it->second);
+}
+
+void usage()
+{
+    printf("usage: headergen <desc file> <output prefix>\n");
+    exit(1);
+}
+
+int main(int argc, char **argv)
+{
+    if(argc != 3)
+        usage();
+    std::vector< soc_t > socs;
+    bool ret = parse_soc_desc(argv[1], socs);
+    printf("parse result: %d\n", ret);
+    if(!ret) return 1;
+    gen_headers(argv[2], socs);
+    gen_selectors(argv[2], socs);
+    return 0;
+}
\ No newline at end of file