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<h1>include/analogy/subdevice.h</h1><a href="subdevice_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
<a name="l00023"></a>00023 <span class="preprocessor">#ifndef __ANALOGY_SUBDEVICE__</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#define __ANALOGY_SUBDEVICE__</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span>
<a name="l00026"></a>00026 <span class="preprocessor">#ifdef __KERNEL__</span>
<a name="l00027"></a>00027 <span class="preprocessor"></span><span class="preprocessor">#include <linux/list.h></span>
<a name="l00028"></a>00028 <span class="preprocessor">#endif </span><span class="comment">/* __KERNEL__ */</span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="preprocessor">#include <<a class="code" href="analogy_2types_8h.html" title="Analogy for Linux, misc declarations.">analogy/types.h</a>></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <<a class="code" href="context_8h.html" title="Analogy for Linux, context structure / macros declarations.">analogy/context.h</a>></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <<a class="code" href="instruction_8h.html" title="Analogy for Linux, instruction related features.">analogy/instruction.h</a>></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include <<a class="code" href="command_8h.html" title="Analogy for Linux, driver facilities.">analogy/command.h</a>></span>
<a name="l00034"></a>00034 <span class="preprocessor">#include <<a class="code" href="channel__range_8h.html" title="Analogy for Linux, channel, range related features.">analogy/channel_range.h</a>></span>
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="comment">/* --- Subdevice flags desc stuff --- */</span>
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="comment">/* TODO: replace ANALOGY_SUBD_AI with ANALOGY_SUBD_ANALOG</span>
<a name="l00039"></a>00039 <span class="comment"> and ANALOGY_SUBD_INPUT */</span>
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="comment">/* Subdevice types masks */</span>
<a name="l00042"></a>00042 <span class="preprocessor">#define A4L_SUBD_MASK_READ 0x80000000</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span><span class="preprocessor">#define A4L_SUBD_MASK_WRITE 0x40000000</span>
<a name="l00044"></a>00044 <span class="preprocessor"></span><span class="preprocessor">#define A4L_SUBD_MASK_SPECIAL 0x20000000</span>
<a name="l00045"></a>00045 <span class="preprocessor"></span>
<a name="l00060"></a><a class="code" href="group__subdevice.html#g0c70964ed18393fdeb7f6b985d7ae4f1">00060</a> <span class="preprocessor">#define A4L_SUBD_UNUSED (A4L_SUBD_MASK_SPECIAL|0x1)</span>
<a name="l00061"></a>00061 <span class="preprocessor"></span>
<a name="l00064"></a><a class="code" href="group__subdevice.html#gfe08fcb0bd2ac9015e058a1a38ebfade">00064</a> <span class="preprocessor">#define A4L_SUBD_AI (A4L_SUBD_MASK_READ|0x2)</span>
<a name="l00065"></a>00065 <span class="preprocessor"></span>
<a name="l00068"></a><a class="code" href="group__subdevice.html#g5285a5093bd9279588a4b8fd05bb7c3f">00068</a> <span class="preprocessor">#define A4L_SUBD_AO (A4L_SUBD_MASK_WRITE|0x4)</span>
<a name="l00069"></a>00069 <span class="preprocessor"></span>
<a name="l00072"></a><a class="code" href="group__subdevice.html#gd4b6ee48948dc35895606488de102e14">00072</a> <span class="preprocessor">#define A4L_SUBD_DI (A4L_SUBD_MASK_READ|0x8)</span>
<a name="l00073"></a>00073 <span class="preprocessor"></span>
<a name="l00076"></a><a class="code" href="group__subdevice.html#gf86e53e7a480bfb73df538dfd230efa2">00076</a> <span class="preprocessor">#define A4L_SUBD_DO (A4L_SUBD_MASK_WRITE|0x10)</span>
<a name="l00077"></a>00077 <span class="preprocessor"></span>
<a name="l00080"></a><a class="code" href="group__subdevice.html#g56fb70a0e2cf39e1be994d4b1e346162">00080</a> <span class="preprocessor">#define A4L_SUBD_DIO (A4L_SUBD_MASK_SPECIAL|0x20)</span>
<a name="l00081"></a>00081 <span class="preprocessor"></span>
<a name="l00084"></a><a class="code" href="group__subdevice.html#g9769a5004db6f3d45c1ac908fd1b9123">00084</a> <span class="preprocessor">#define A4L_SUBD_COUNTER (A4L_SUBD_MASK_SPECIAL|0x40)</span>
<a name="l00085"></a>00085 <span class="preprocessor"></span>
<a name="l00088"></a><a class="code" href="group__subdevice.html#ge4e41940b17d812ba852ac8739165262">00088</a> <span class="preprocessor">#define A4L_SUBD_TIMER (A4L_SUBD_MASK_SPECIAL|0x80)</span>
<a name="l00089"></a>00089 <span class="preprocessor"></span>
<a name="l00092"></a><a class="code" href="group__subdevice.html#ga38f1355eb6a7874ce5dcf8f90072d14">00092</a> <span class="preprocessor">#define A4L_SUBD_MEMORY (A4L_SUBD_MASK_SPECIAL|0x100)</span>
<a name="l00093"></a>00093 <span class="preprocessor"></span>
<a name="l00096"></a><a class="code" href="group__subdevice.html#ge9eee756dede608de5263143191edec2">00096</a> <span class="preprocessor">#define A4L_SUBD_CALIB (A4L_SUBD_MASK_SPECIAL|0x200)</span>
<a name="l00097"></a>00097 <span class="preprocessor"></span>
<a name="l00100"></a><a class="code" href="group__subdevice.html#gcf4d6837ce92a27aaf9b78d59fb6ba8e">00100</a> <span class="preprocessor">#define A4L_SUBD_PROC (A4L_SUBD_MASK_SPECIAL|0x400)</span>
<a name="l00101"></a>00101 <span class="preprocessor"></span>
<a name="l00104"></a><a class="code" href="group__subdevice.html#g14c863f8e99d6be9a0d6371bcbe8fff1">00104</a> <span class="preprocessor">#define A4L_SUBD_SERIAL (A4L_SUBD_MASK_SPECIAL|0x800)</span>
<a name="l00105"></a>00105 <span class="preprocessor"></span>
<a name="l00108"></a><a class="code" href="group__subdevice.html#gffcb131508d9920aa4436c7df18a8ab1">00108</a> <span class="preprocessor">#define A4L_SUBD_TYPES (A4L_SUBD_UNUSED | \</span>
<a name="l00109"></a>00109 <span class="preprocessor"> A4L_SUBD_AI | \</span>
<a name="l00110"></a>00110 <span class="preprocessor"> A4L_SUBD_AO | \</span>
<a name="l00111"></a>00111 <span class="preprocessor"> A4L_SUBD_DI | \</span>
<a name="l00112"></a>00112 <span class="preprocessor"> A4L_SUBD_DO | \</span>
<a name="l00113"></a>00113 <span class="preprocessor"> A4L_SUBD_DIO | \</span>
<a name="l00114"></a>00114 <span class="preprocessor"> A4L_SUBD_COUNTER | \</span>
<a name="l00115"></a>00115 <span class="preprocessor"> A4L_SUBD_TIMER | \</span>
<a name="l00116"></a>00116 <span class="preprocessor"> A4L_SUBD_MEMORY | \</span>
<a name="l00117"></a>00117 <span class="preprocessor"> A4L_SUBD_CALIB | \</span>
<a name="l00118"></a>00118 <span class="preprocessor"> A4L_SUBD_PROC | \</span>
<a name="l00119"></a>00119 <span class="preprocessor"> A4L_SUBD_SERIAL)</span>
<a name="l00120"></a>00120 <span class="preprocessor"></span>
<a name="l00129"></a>00129 <span class="comment">/* Subdevice capabilities */</span>
<a name="l00134"></a><a class="code" href="group__subdevice.html#ge57f549ab2689782e35af2c8941aeecf">00134</a> <span class="preprocessor">#define A4L_SUBD_CMD 0x1000</span>
<a name="l00135"></a>00135 <span class="preprocessor"></span>
<a name="l00140"></a><a class="code" href="group__subdevice.html#g4ec26f0982c64fe7aab38678af7a20a4">00140</a> <span class="preprocessor">#define A4L_SUBD_MMAP 0x8000</span>
<a name="l00141"></a>00141 <span class="preprocessor"></span>
<a name="l00150"></a>00150 <span class="comment">/* Subdevice status flag(s) */</span>
<a name="l00155"></a><a class="code" href="group__subdevice.html#g943b015c909276644de277f4135e7579">00155</a> <span class="preprocessor">#define A4L_SUBD_BUSY_NR 0</span>
<a name="l00156"></a><a class="code" href="group__subdevice.html#gf6114bf76458b8c6fd84813fa30f9338">00156</a> <span class="preprocessor"></span><span class="preprocessor">#define A4L_SUBD_BUSY (1 << A4L_SUBD_BUSY_NR)</span>
<a name="l00157"></a>00157 <span class="preprocessor"></span>
<a name="l00162"></a><a class="code" href="group__subdevice.html#g6992c2972bde497a4039a21c5436dc75">00162</a> <span class="preprocessor">#define A4L_SUBD_CLEAN_NR 1</span>
<a name="l00163"></a><a class="code" href="group__subdevice.html#g9cb84629a30d54bf81ea9daacc077238">00163</a> <span class="preprocessor"></span><span class="preprocessor">#define A4L_SUBD_CLEAN (1 << A4L_SUBD_CLEAN_NR)</span>
<a name="l00164"></a>00164 <span class="preprocessor"></span>
<a name="l00165"></a>00165
<a name="l00168"></a>00168 <span class="preprocessor">#ifdef __KERNEL__</span>
<a name="l00169"></a>00169 <span class="preprocessor"></span>
<a name="l00170"></a>00170 <span class="comment">/* --- Subdevice descriptor structure --- */</span>
<a name="l00171"></a>00171
<a name="l00172"></a>00172 <span class="keyword">struct </span>a4l_device;
<a name="l00173"></a>00173 <span class="keyword">struct </span>a4l_buffer;
<a name="l00174"></a>00174
<a name="l00180"></a><a class="code" href="structa4l__subdevice.html">00180</a> <span class="keyword">struct </span><a class="code" href="structa4l__subdevice.html" title="Structure describing the subdevice.">a4l_subdevice</a> {
<a name="l00181"></a>00181
<a name="l00182"></a><a class="code" href="structa4l__subdevice.html#3231505de3d86eea6446e5df3d508ef2">00182</a> <span class="keyword">struct </span>list_head <a class="code" href="structa4l__subdevice.html#3231505de3d86eea6446e5df3d508ef2" title="List stuff.">list</a>;
<a name="l00185"></a><a class="code" href="structa4l__subdevice.html#7c24cee67a888f7c6786e76a5375b534">00185</a> <span class="keyword">struct </span>a4l_device *<a class="code" href="structa4l__subdevice.html#7c24cee67a888f7c6786e76a5375b534" title="Containing device.">dev</a>;
<a name="l00188"></a>00188 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structa4l__subdevice.html#d19d9a857a45957e0bbbb8d28baab791" title="Subdevice index.">idx</a>;
<a name="l00191"></a><a class="code" href="structa4l__subdevice.html#102957cf30f6328e9b9cac05e4f980ec">00191</a> <span class="keyword">struct </span>a4l_buffer *<a class="code" href="structa4l__subdevice.html#102957cf30f6328e9b9cac05e4f980ec" title="Linked buffer.">buf</a>;
<a name="l00194"></a>00194 <span class="comment">/* Subdevice's status (busy, linked?) */</span>
<a name="l00195"></a>00195 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="structa4l__subdevice.html#f9aac6252faa3c04e045819823977ac8" title="Subdevice&#39;s status.">status</a>;
<a name="l00198"></a>00198 <span class="comment">/* Descriptors stuff */</span>
<a name="l00199"></a>00199 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="structa4l__subdevice.html#1c2510cef59e5ec58cb3edee397d886f" title="Type flags.">flags</a>;
<a name="l00201"></a>00201 <a class="code" href="structa4l__channels__desc.html" title="Structure describing a channels set.">a4l_chdesc_t</a> *<a class="code" href="structa4l__subdevice.html#435021004757c2b3d30422183f5c9ef5" title="Tab of channels descriptors pointers.">chan_desc</a>;
<a name="l00203"></a>00203 a4l_rngdesc_t *<a class="code" href="structa4l__subdevice.html#79d92d091d353625d8e63c4e550d7d32" title="Tab of ranges descriptors pointers.">rng_desc</a>;
<a name="l00205"></a>00205 <a class="code" href="structa4l__cmd__desc.html" title="Structure describing the asynchronous instruction.">a4l_cmd_t</a> *<a class="code" href="structa4l__subdevice.html#d15a08eed66ded21d0e918d1565801bf" title="Command capabilities mask.">cmd_mask</a>;
<a name="l00208"></a>00208 <span class="comment">/* Functions stuff */</span>
<a name="l00209"></a>00209 int (*<a class="code" href="structa4l__subdevice.html#626df8c670bdb8626857e9759f62b9c3" title="Callback for the instruction &quot;read&quot;.">insn_read</a>) (<span class="keyword">struct </span><a class="code" href="structa4l__subdevice.html" title="Structure describing the subdevice.">a4l_subdevice</a> *, a4l_kinsn_t *);
<a name="l00211"></a>00211 int (*<a class="code" href="structa4l__subdevice.html#2cbf983f259840e38545f0a30a8f2ecf" title="Callback for the instruction &quot;write&quot;.">insn_write</a>) (<span class="keyword">struct </span><a class="code" href="structa4l__subdevice.html" title="Structure describing the subdevice.">a4l_subdevice</a> *, a4l_kinsn_t *);
<a name="l00213"></a>00213 int (*<a class="code" href="structa4l__subdevice.html#2057bd2551d99b8fb160b6aad1d5cfe2" title="Callback for the instruction &quot;bits&quot;.">insn_bits</a>) (<span class="keyword">struct </span><a class="code" href="structa4l__subdevice.html" title="Structure describing the subdevice.">a4l_subdevice</a> *, a4l_kinsn_t *);
<a name="l00215"></a>00215 int (*<a class="code" href="structa4l__subdevice.html#c0934a305068ea942ed221c1726ae50f" title="Callback for the configuration instruction.">insn_config</a>) (<span class="keyword">struct </span><a class="code" href="structa4l__subdevice.html" title="Structure describing the subdevice.">a4l_subdevice</a> *, a4l_kinsn_t *);
<a name="l00217"></a>00217 int (*<a class="code" href="structa4l__subdevice.html#1d1840a2330c4a11119d50d0e39bbab8" title="Callback for command handling.">do_cmd</a>) (<span class="keyword">struct </span><a class="code" href="structa4l__subdevice.html" title="Structure describing the subdevice.">a4l_subdevice</a> *, <a class="code" href="structa4l__cmd__desc.html" title="Structure describing the asynchronous instruction.">a4l_cmd_t</a> *);
<a name="l00219"></a>00219 int (*<a class="code" href="structa4l__subdevice.html#3ab89e39a80609d9677ca8fca5960112" title="Callback for command checking.">do_cmdtest</a>) (<span class="keyword">struct </span><a class="code" href="structa4l__subdevice.html" title="Structure describing the subdevice.">a4l_subdevice</a> *, <a class="code" href="structa4l__cmd__desc.html" title="Structure describing the asynchronous instruction.">a4l_cmd_t</a> *);
<a name="l00221"></a>00221 int (*<a class="code" href="structa4l__subdevice.html#8496445f2e1f5efbe0f8537240b9f74d" title="Callback for asynchronous transfer cancellation.">cancel</a>) (<span class="keyword">struct </span><a class="code" href="structa4l__subdevice.html" title="Structure describing the subdevice.">a4l_subdevice</a> *);
<a name="l00223"></a>00223 void (*<a class="code" href="structa4l__subdevice.html#582da21902802d224e94fbc4906cbf56" title="Callback for munge operation.">munge</a>) (<span class="keyword">struct </span><a class="code" href="structa4l__subdevice.html" title="Structure describing the subdevice.">a4l_subdevice</a> *, <span class="keywordtype">void</span> *, <span class="keywordtype">unsigned</span> long);
<a name="l00225"></a>00225 int (*<a class="code" href="structa4l__subdevice.html#82cde111d28d6629e10884611dcf122c" title="Callback for trigger operation.">trigger</a>) (<span class="keyword">struct </span><a class="code" href="structa4l__subdevice.html" title="Structure describing the subdevice.">a4l_subdevice</a> *, lsampl_t);
<a name="l00228"></a>00228 <span class="keywordtype">char</span> <a class="code" href="structa4l__subdevice.html#e6526aded52b0793cd9f032472bc5b41" title="Private data.">priv</a>[0];
<a name="l00230"></a>00230 };
<a name="l00231"></a>00231 <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structa4l__subdevice.html" title="Structure describing the subdevice.">a4l_subdevice</a> <a class="code" href="structa4l__subdevice.html" title="Structure describing the subdevice.">a4l_subd_t</a>;
<a name="l00232"></a>00232
<a name="l00233"></a>00233 <span class="preprocessor">#endif </span><span class="comment">/* __KERNEL__ */</span>
<a name="l00234"></a>00234
<a name="l00237"></a>00237 <span class="preprocessor">#ifndef DOXYGEN_CPP</span>
<a name="l00238"></a>00238 <span class="preprocessor"></span>
<a name="l00239"></a>00239 <span class="comment">/* --- Subdevice related IOCTL arguments structures --- */</span>
<a name="l00240"></a>00240
<a name="l00241"></a>00241 <span class="comment">/* SUDBINFO IOCTL argument */</span>
<a name="l00242"></a>00242 <span class="keyword">struct </span>a4l_subd_info {
<a name="l00243"></a>00243 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> flags;
<a name="l00244"></a>00244 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> status;
<a name="l00245"></a>00245 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> nb_chan;
<a name="l00246"></a>00246 };
<a name="l00247"></a>00247 <span class="keyword">typedef</span> <span class="keyword">struct </span>a4l_subd_info a4l_sbinfo_t;
<a name="l00248"></a>00248
<a name="l00249"></a>00249 <span class="comment">/* CHANINFO / NBCHANINFO IOCTL arguments */</span>
<a name="l00250"></a>00250 <span class="keyword">struct </span>a4l_chan_info {
<a name="l00251"></a>00251 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> chan_flags;
<a name="l00252"></a>00252 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> nb_rng;
<a name="l00253"></a>00253 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> nb_bits;
<a name="l00254"></a>00254 };
<a name="l00255"></a>00255 <span class="keyword">typedef</span> <span class="keyword">struct </span>a4l_chan_info a4l_chinfo_t;
<a name="l00256"></a>00256
<a name="l00257"></a>00257 <span class="keyword">struct </span>a4l_chinfo_arg {
<a name="l00258"></a>00258 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> idx_subd;
<a name="l00259"></a>00259 <span class="keywordtype">void</span> *info;
<a name="l00260"></a>00260 };
<a name="l00261"></a>00261 <span class="keyword">typedef</span> <span class="keyword">struct </span>a4l_chinfo_arg a4l_chinfo_arg_t;
<a name="l00262"></a>00262
<a name="l00263"></a>00263 <span class="comment">/* RNGINFO / NBRNGINFO IOCTL arguments */</span>
<a name="l00264"></a>00264 <span class="keyword">struct </span>a4l_rng_info {
<a name="l00265"></a>00265 <span class="keywordtype">long</span> min;
<a name="l00266"></a>00266 <span class="keywordtype">long</span> max;
<a name="l00267"></a>00267 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> flags;
<a name="l00268"></a>00268 };
<a name="l00269"></a>00269 <span class="keyword">typedef</span> <span class="keyword">struct </span>a4l_rng_info a4l_rnginfo_t;
<a name="l00270"></a>00270
<a name="l00271"></a>00271 <span class="keyword">struct </span>a4l_rng_info_arg {
<a name="l00272"></a>00272 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> idx_subd;
<a name="l00273"></a>00273 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> idx_chan;
<a name="l00274"></a>00274 <span class="keywordtype">void</span> *info;
<a name="l00275"></a>00275 };
<a name="l00276"></a>00276 <span class="keyword">typedef</span> <span class="keyword">struct </span>a4l_rng_info_arg a4l_rnginfo_arg_t;
<a name="l00277"></a>00277
<a name="l00278"></a>00278 <span class="preprocessor">#ifdef __KERNEL__</span>
<a name="l00279"></a>00279 <span class="preprocessor"></span>
<a name="l00280"></a>00280 <span class="comment">/* --- Subdevice related functions and macros --- */</span>
<a name="l00281"></a>00281
<a name="l00282"></a>00282 <a class="code" href="structa4l__channel.html" title="Structure describing some channel&#39;s characteristics.">a4l_chan_t</a> *a4l_get_chfeat(<a class="code" href="structa4l__subdevice.html" title="Structure describing the subdevice.">a4l_subd_t</a> * sb, <span class="keywordtype">int</span> idx);
<a name="l00283"></a>00283 <a class="code" href="structa4l__range.html" title="Structure describing a (unique) range.">a4l_rng_t</a> *a4l_get_rngfeat(<a class="code" href="structa4l__subdevice.html" title="Structure describing the subdevice.">a4l_subd_t</a> * sb, <span class="keywordtype">int</span> chidx, <span class="keywordtype">int</span> rngidx);
<a name="l00284"></a>00284 <span class="keywordtype">int</span> a4l_check_chanlist(<a class="code" href="structa4l__subdevice.html" title="Structure describing the subdevice.">a4l_subd_t</a> * subd,
<a name="l00285"></a>00285 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> nb_chan, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *chans);
<a name="l00286"></a>00286
<a name="l00287"></a>00287 <span class="preprocessor">#define a4l_subd_is_input(x) ((A4L_SUBD_MASK_READ & (x)->flags) != 0)</span>
<a name="l00288"></a>00288 <span class="preprocessor"></span><span class="comment">/* The following macro considers that a DIO subdevice is firstly an</span>
<a name="l00289"></a>00289 <span class="comment"> output subdevice */</span>
<a name="l00290"></a>00290 <span class="preprocessor">#define a4l_subd_is_output(x) \</span>
<a name="l00291"></a>00291 <span class="preprocessor"> ((A4L_SUBD_MASK_WRITE & (x)->flags) != 0 || \</span>
<a name="l00292"></a>00292 <span class="preprocessor"> (A4L_SUBD_DIO & (x)->flags) != 0)</span>
<a name="l00293"></a>00293 <span class="preprocessor"></span>
<a name="l00294"></a>00294 <span class="comment">/* --- Upper layer functions --- */</span>
<a name="l00295"></a>00295
<a name="l00296"></a>00296 <a class="code" href="structa4l__subdevice.html" title="Structure describing the subdevice.">a4l_subd_t</a> * <a class="code" href="group__subdevice.html#ga8b2dfadeac340e288725e1f2ce9b63b" title="Get a pointer to the subdevice descriptor referenced by its registration index.">a4l_get_subd</a>(<span class="keyword">struct</span> a4l_device *dev, <span class="keywordtype">int</span> idx);
<a name="l00297"></a>00297 <a class="code" href="structa4l__subdevice.html" title="Structure describing the subdevice.">a4l_subd_t</a> * <a class="code" href="group__subdevice.html#g32595b3806dd3e73038a2022c0b1e204" title="Allocate a subdevice descriptor.">a4l_alloc_subd</a>(<span class="keywordtype">int</span> sizeof_priv,
<a name="l00298"></a>00298 <span class="keywordtype">void</span> (*setup)(<a class="code" href="structa4l__subdevice.html" title="Structure describing the subdevice.">a4l_subd_t</a> *));
<a name="l00299"></a>00299 <span class="keywordtype">int</span> <a class="code" href="group__subdevice.html#g229e7725db234534da6e6973c63f1cef" title="Add a subdevice to the driver descriptor.">a4l_add_subd</a>(<span class="keyword">struct</span> a4l_device *dev, <a class="code" href="structa4l__subdevice.html" title="Structure describing the subdevice.">a4l_subd_t</a> * subd);
<a name="l00300"></a>00300 <span class="keywordtype">int</span> a4l_ioctl_subdinfo(a4l_cxt_t * cxt, <span class="keywordtype">void</span> *arg);
<a name="l00301"></a>00301 <span class="keywordtype">int</span> a4l_ioctl_chaninfo(a4l_cxt_t * cxt, <span class="keywordtype">void</span> *arg);
<a name="l00302"></a>00302 <span class="keywordtype">int</span> a4l_ioctl_rnginfo(a4l_cxt_t * cxt, <span class="keywordtype">void</span> *arg);
<a name="l00303"></a>00303 <span class="keywordtype">int</span> a4l_ioctl_nbchaninfo(a4l_cxt_t * cxt, <span class="keywordtype">void</span> *arg);
<a name="l00304"></a>00304 <span class="keywordtype">int</span> a4l_ioctl_nbrnginfo(a4l_cxt_t * cxt, <span class="keywordtype">void</span> *arg);
<a name="l00305"></a>00305
<a name="l00306"></a>00306 <span class="preprocessor">#endif </span><span class="comment">/* __KERNEL__ */</span>
<a name="l00307"></a>00307
<a name="l00308"></a>00308 <span class="preprocessor">#endif </span><span class="comment">/* !DOXYGEN_CPP */</span>
<a name="l00309"></a>00309
<a name="l00310"></a>00310 <span class="preprocessor">#endif </span><span class="comment">/* __ANALOGY_SUBDEVICE__ */</span>
</pre></div></div>
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