release/src-rt-6.x.4708/linux/linux-2.6.36/sound/pci/asihpi/hpidebug.c

   1 /************************************************************************
   2
   3     AudioScience HPI driver
   4     Copyright (C) 1997-2010  AudioScience Inc. <support@audioscience.com>
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of version 2 of the GNU General Public License as
   8     published by the Free Software Foundation;
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18
  19 Debug macro translation.
  20
  21 ************************************************************************/
  22
  23 #include "hpi_internal.h"
  24 #include "hpidebug.h"
  25
  26 /* Debug level; 0 quiet; 1 informative, 2 debug, 3 verbose debug.  */
  27 int hpi_debug_level = HPI_DEBUG_LEVEL_DEFAULT;
  28
  29 void hpi_debug_init(void)
  30 {
  31         printk(KERN_INFO "debug start\n");
  32 }
  33
  34 int hpi_debug_level_set(int level)
  35 {
  36         int old_level;
  37
  38         old_level = hpi_debug_level;
  39         hpi_debug_level = level;
  40         return old_level;
  41 }
  42
  43 int hpi_debug_level_get(void)
  44 {
  45         return hpi_debug_level;
  46 }
  47
  48 #ifdef HPIOS_DEBUG_PRINT
  49 /* implies OS has no printf-like function */
  50 #include <stdarg.h>
  51
  52 void hpi_debug_printf(char *fmt, ...)
  53 {
  54         va_list arglist;
  55         char buffer[128];
  56
  57         va_start(arglist, fmt);
  58
  59         if (buffer[0])
  60                 HPIOS_DEBUG_PRINT(buffer);
  61         va_end(arglist);
  62 }
  63 #endif
  64
  65 struct treenode {
  66         void *array;
  67         unsigned int num_elements;
  68 };
  69
  70 #define make_treenode_from_array(nodename, array) \
  71 static void *tmp_strarray_##nodename[] = array; \
  72 static struct treenode nodename = { \
  73         &tmp_strarray_##nodename, \
  74         ARRAY_SIZE(tmp_strarray_##nodename) \
  75 };
  76
  77 #define get_treenode_elem(node_ptr, idx, type)  \
  78         (&(*((type *)(node_ptr)->array)[idx]))
  79
  80 make_treenode_from_array(hpi_control_type_strings, HPI_CONTROL_TYPE_STRINGS)
  81
  82         make_treenode_from_array(hpi_subsys_strings, HPI_SUBSYS_STRINGS)
  83         make_treenode_from_array(hpi_adapter_strings, HPI_ADAPTER_STRINGS)
  84         make_treenode_from_array(hpi_istream_strings, HPI_ISTREAM_STRINGS)
  85         make_treenode_from_array(hpi_ostream_strings, HPI_OSTREAM_STRINGS)
  86         make_treenode_from_array(hpi_mixer_strings, HPI_MIXER_STRINGS)
  87         make_treenode_from_array(hpi_node_strings,
  88         {
  89         "NODE is invalid object"})
  90
  91         make_treenode_from_array(hpi_control_strings, HPI_CONTROL_STRINGS)
  92         make_treenode_from_array(hpi_nvmemory_strings, HPI_OBJ_STRINGS)
  93         make_treenode_from_array(hpi_digitalio_strings, HPI_DIGITALIO_STRINGS)
  94         make_treenode_from_array(hpi_watchdog_strings, HPI_WATCHDOG_STRINGS)
  95         make_treenode_from_array(hpi_clock_strings, HPI_CLOCK_STRINGS)
  96         make_treenode_from_array(hpi_profile_strings, HPI_PROFILE_STRINGS)
  97         make_treenode_from_array(hpi_asyncevent_strings, HPI_ASYNCEVENT_STRINGS)
  98 #define HPI_FUNCTION_STRINGS \
  99 { \
 100   &hpi_subsys_strings,\
 101   &hpi_adapter_strings,\
 102   &hpi_ostream_strings,\
 103   &hpi_istream_strings,\
 104   &hpi_mixer_strings,\
 105   &hpi_node_strings,\
 106   &hpi_control_strings,\
 107   &hpi_nvmemory_strings,\
 108   &hpi_digitalio_strings,\
 109   &hpi_watchdog_strings,\
 110   &hpi_clock_strings,\
 111   &hpi_profile_strings,\
 112   &hpi_control_strings, \
 113   &hpi_asyncevent_strings \
 114 }
 115         make_treenode_from_array(hpi_function_strings, HPI_FUNCTION_STRINGS)
 116
 117         compile_time_assert(HPI_OBJ_MAXINDEX == 14, obj_list_doesnt_match);
 118
 119 static char *hpi_function_string(unsigned int function)
 120 {
 121         unsigned int object;
 122         struct treenode *tmp;
 123
 124         object = function / HPI_OBJ_FUNCTION_SPACING;
 125         function = function - object * HPI_OBJ_FUNCTION_SPACING;
 126
 127         if (object == 0 || object == HPI_OBJ_NODE
 128                 || object > hpi_function_strings.num_elements)
 129                 return "invalid object";
 130
 131         tmp = get_treenode_elem(&hpi_function_strings, object - 1,
 132                 struct treenode *);
 133
 134         if (function == 0 || function > tmp->num_elements)
 135                 return "invalid function";
 136
 137         return get_treenode_elem(tmp, function - 1, char *);
 138 }
 139
 140 void hpi_debug_message(struct hpi_message *phm, char *sz_fileline)
 141 {
 142         if (phm) {
 143                 if ((phm->object <= HPI_OBJ_MAXINDEX) && phm->object) {
 144                         u16 index = 0;
 145                         u16 attrib = 0;
 146                         int is_control = 0;
 147
 148                         index = phm->obj_index;
 149                         switch (phm->object) {
 150                         case HPI_OBJ_ADAPTER:
 151                         case HPI_OBJ_PROFILE:
 152                                 break;
 153                         case HPI_OBJ_MIXER:
 154                                 if (phm->function ==
 155                                         HPI_MIXER_GET_CONTROL_BY_INDEX)
 156                                         index = phm->u.m.control_index;
 157                                 break;
 158                         case HPI_OBJ_OSTREAM:
 159                         case HPI_OBJ_ISTREAM:
 160                                 break;
 161
 162                         case HPI_OBJ_CONTROLEX:
 163                         case HPI_OBJ_CONTROL:
 164                                 if (phm->version == 1)
 165                                         attrib = HPI_CTL_ATTR(UNIVERSAL, 1);
 166                                 else
 167                                         attrib = phm->u.c.attribute;
 168                                 is_control = 1;
 169                                 break;
 170                         default:
 171                                 break;
 172                         }
 173
 174                         if (is_control && (attrib & 0xFF00)) {
 175                                 int control_type = (attrib & 0xFF00) >> 8;
 176                                 int attr_index = HPI_CTL_ATTR_INDEX(attrib);
 177                                 /* note the KERN facility level
 178                                    is in szFileline already */
 179                                 printk("%s adapter %d %s "
 180                                         "ctrl_index x%04x %s %d\n",
 181                                         sz_fileline, phm->adapter_index,
 182                                         hpi_function_string(phm->function),
 183                                         index,
 184                                         get_treenode_elem
 185                                         (&hpi_control_type_strings,
 186                                                 control_type, char *),
 187                                         attr_index);
 188
 189                         } else
 190                                 printk("%s adapter %d %s "
 191                                         "idx x%04x attr x%04x \n",
 192                                         sz_fileline, phm->adapter_index,
 193                                         hpi_function_string(phm->function),
 194                                         index, attrib);
 195                 } else {
 196                         printk("adap=%d, invalid obj=%d, func=0x%x\n",
 197                                 phm->adapter_index, phm->object,
 198                                 phm->function);
 199                 }
 200         } else
 201                 printk(KERN_ERR
 202                         "NULL message pointer to hpi_debug_message!\n");
 203 }
 204
 205 void hpi_debug_data(u16 *pdata, u32 len)
 206 {
 207         u32 i;
 208         int j;
 209         int k;
 210         int lines;
 211         int cols = 8;
 212
 213         lines = (len + cols - 1) / cols;
 214         if (lines > 8)
 215                 lines = 8;
 216
 217         for (i = 0, j = 0; j < lines; j++) {
 218                 printk(KERN_DEBUG "%p:", (pdata + i));
 219
 220                 for (k = 0; k < cols && i < len; i++, k++)
 221                         printk("%s%04x", k == 0 ? "" : " ", pdata[i]);
 222
 223                 printk("\n");
 224         }
 225 }