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<h1>include/analogy/device.h</h1><a href="device_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_DEVICE__</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#define __ANALOGY_DEVICE__</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span>
<a name="l00026"></a>00026 <span class="preprocessor">#ifndef DOXYGEN_CPP</span>
<a name="l00027"></a>00027 <span class="preprocessor"></span>
<a name="l00028"></a>00028 <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="l00029"></a>00029 <span class="preprocessor">#include <<a class="code" href="driver_8h.html" title="Analogy for Linux, driver related features.">analogy/driver.h</a>></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <<a class="code" href="transfer_8h.html" title="Analogy for Linux, transfer related features.">analogy/transfer.h</a>></span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="preprocessor">#ifdef __KERNEL__</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span>
<a name="l00034"></a>00034 <span class="preprocessor">#define A4L_NB_DEVICES 10</span>
<a name="l00035"></a>00035 <span class="preprocessor"></span>
<a name="l00036"></a>00036 <span class="preprocessor">#define A4L_DEV_ATTACHED_NR 0</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span>
<a name="l00038"></a>00038 <span class="keyword">struct </span>a4l_device {
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="comment">/* Spinlock for global device use */</span>
<a name="l00041"></a>00041 a4l_lock_t lock;
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="comment">/* Device specific flags */</span>
<a name="l00044"></a>00044 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> flags;
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="comment">/* Driver assigned to this device thanks to attaching</span>
<a name="l00047"></a>00047 <span class="comment"> procedure */</span>
<a name="l00048"></a>00048 <a class="code" href="structa4l__driver.html" title="Structure containing driver declaration data.">a4l_drv_t</a> *driver;
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="comment">/* Hidden description stuff */</span>
<a name="l00051"></a>00051 <span class="keyword">struct </span>list_head subdvsq;
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="comment">/* Context-dependent stuff */</span>
<a name="l00054"></a>00054 a4l_trf_t transfer;
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="comment">/* Private data useful for drivers functioning */</span>
<a name="l00057"></a>00057 <span class="keywordtype">void</span> *priv;
<a name="l00058"></a>00058 };
<a name="l00059"></a>00059 <span class="keyword">typedef</span> <span class="keyword">struct </span>a4l_device a4l_dev_t;
<a name="l00060"></a>00060
<a name="l00061"></a>00061 <span class="preprocessor">#endif </span><span class="comment">/* __KERNEL__ */</span>
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="comment">/* DEVCFG ioctl argument structure */</span>
<a name="l00064"></a>00064 <span class="keyword">struct </span>a4l_link_desc {
<a name="l00065"></a>00065 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> bname_size;
<a name="l00066"></a>00066 <span class="keywordtype">char</span> *bname;
<a name="l00067"></a>00067 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> opts_size;
<a name="l00068"></a>00068 <span class="keywordtype">void</span> *opts;
<a name="l00069"></a>00069 };
<a name="l00070"></a>00070 <span class="keyword">typedef</span> <span class="keyword">struct </span>a4l_link_desc a4l_lnkdesc_t;
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="comment">/* DEVINFO ioctl argument structure */</span>
<a name="l00073"></a>00073 <span class="keyword">struct </span>a4l_dev_info {
<a name="l00074"></a>00074 <span class="keywordtype">char</span> board_name[A4L_NAMELEN];
<a name="l00075"></a>00075 <span class="keywordtype">int</span> nb_subd;
<a name="l00076"></a>00076 <span class="keywordtype">int</span> idx_read_subd;
<a name="l00077"></a>00077 <span class="keywordtype">int</span> idx_write_subd;
<a name="l00078"></a>00078 };
<a name="l00079"></a>00079 <span class="keyword">typedef</span> <span class="keyword">struct </span>a4l_dev_info a4l_dvinfo_t;
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="preprocessor">#ifdef __KERNEL__</span>
<a name="l00082"></a>00082 <span class="preprocessor"></span>
<a name="l00083"></a>00083 <span class="comment">/* --- Devices tab related functions --- */</span>
<a name="l00084"></a>00084 <span class="keywordtype">void</span> a4l_init_devs(<span class="keywordtype">void</span>);
<a name="l00085"></a>00085 <span class="keywordtype">int</span> a4l_check_cleanup_devs(<span class="keywordtype">void</span>);
<a name="l00086"></a>00086 <span class="keywordtype">int</span> a4l_rdproc_devs(<span class="keywordtype">char</span> *page,
<a name="l00087"></a>00087 <span class="keywordtype">char</span> **start,
<a name="l00088"></a>00088 off_t off, <span class="keywordtype">int</span> count, <span class="keywordtype">int</span> *eof, <span class="keywordtype">void</span> *data);
<a name="l00089"></a>00089
<a name="l00090"></a>00090 <span class="comment">/* --- Context related function / macro --- */</span>
<a name="l00091"></a>00091 <span class="keywordtype">void</span> a4l_set_dev(a4l_cxt_t *cxt);
<a name="l00092"></a>00092 <span class="preprocessor">#define a4l_get_dev(x) ((x)->dev)</span>
<a name="l00093"></a>00093 <span class="preprocessor"></span>
<a name="l00094"></a>00094 <span class="comment">/* --- Upper layer functions --- */</span>
<a name="l00095"></a>00095 <span class="keywordtype">int</span> a4l_ioctl_devcfg(a4l_cxt_t * cxt, <span class="keywordtype">void</span> *arg);
<a name="l00096"></a>00096 <span class="keywordtype">int</span> a4l_ioctl_devinfo(a4l_cxt_t * cxt, <span class="keywordtype">void</span> *arg);
<a name="l00097"></a>00097
<a name="l00098"></a>00098 <span class="preprocessor">#endif </span><span class="comment">/* __KERNEL__ */</span>
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <span class="preprocessor">#endif </span><span class="comment">/* !DOXYGEN_CPP */</span>
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="preprocessor">#endif </span><span class="comment">/* __ANALOGY_DEVICE__ */</span>
</pre></div></div>
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