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  3. <title>DesignWare USB 2.0 OTG Controller (DWC_otg) Device Driver: dwc_otg_hcd_intr.c Source File</title>
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  20. <h1>dwc_otg_hcd_intr.c</h1><a href="dwc__otg__hcd__intr_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ==========================================================================</span>
    21. 

  21. <a name="l00002"></a>00002 <span class="comment"> * $File: //dwh/usb_iip/dev/software/otg/linux/drivers/dwc_otg_hcd_intr.c $</span>
    22. 

  22. <a name="l00003"></a>00003 <span class="comment"> * $Revision: #77 $</span>
    23. 

  23. <a name="l00004"></a>00004 <span class="comment"> * $Date: 2009/04/21 $</span>
    24. 

  24. <a name="l00005"></a>00005 <span class="comment"> * $Change: 1237475 $</span>
    25. 

  25. <a name="l00006"></a>00006 <span class="comment"> *</span>
    26. 

  26. <a name="l00007"></a>00007 <span class="comment"> * Synopsys HS OTG Linux Software Driver and documentation (hereinafter,</span>
    27. 

  27. <a name="l00008"></a>00008 <span class="comment"> * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless</span>
    28. 

  28. <a name="l00009"></a>00009 <span class="comment"> * otherwise expressly agreed to in writing between Synopsys and you.</span>
    29. 

  29. <a name="l00010"></a>00010 <span class="comment"> *</span>
    30. 

  30. <a name="l00011"></a>00011 <span class="comment"> * The Software IS NOT an item of Licensed Software or Licensed Product under</span>
    31. 

  31. <a name="l00012"></a>00012 <span class="comment"> * any End User Software License Agreement or Agreement for Licensed Product</span>
    32. 

  32. <a name="l00013"></a>00013 <span class="comment"> * with Synopsys or any supplement thereto. You are permitted to use and</span>
    33. 

  33. <a name="l00014"></a>00014 <span class="comment"> * redistribute this Software in source and binary forms, with or without</span>
    34. 

  34. <a name="l00015"></a>00015 <span class="comment"> * modification, provided that redistributions of source code must retain this</span>
    35. 

  35. <a name="l00016"></a>00016 <span class="comment"> * notice. You may not view, use, disclose, copy or distribute this file or</span>
    36. 

  36. <a name="l00017"></a>00017 <span class="comment"> * any information contained herein except pursuant to this license grant from</span>
    37. 

  37. <a name="l00018"></a>00018 <span class="comment"> * Synopsys. If you do not agree with this notice, including the disclaimer</span>
    38. 

  38. <a name="l00019"></a>00019 <span class="comment"> * below, then you are not authorized to use the Software.</span>
    39. 

  39. <a name="l00020"></a>00020 <span class="comment"> *</span>
    40. 

  40. <a name="l00021"></a>00021 <span class="comment"> * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS</span>
    41. 

  41. <a name="l00022"></a>00022 <span class="comment"> * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span>
    42. 

  42. <a name="l00023"></a>00023 <span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span>
    43. 

  43. <a name="l00024"></a>00024 <span class="comment"> * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT,</span>
    44. 

  44. <a name="l00025"></a>00025 <span class="comment"> * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES</span>
    45. 

  45. <a name="l00026"></a>00026 <span class="comment"> * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR</span>
    46. 

  46. <a name="l00027"></a>00027 <span class="comment"> * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER</span>
    47. 

  47. <a name="l00028"></a>00028 <span class="comment"> * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT</span>
    48. 

  48. <a name="l00029"></a>00029 <span class="comment"> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY</span>
    49. 

  49. <a name="l00030"></a>00030 <span class="comment"> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH</span>
    50. 

  50. <a name="l00031"></a>00031 <span class="comment"> * DAMAGE.</span>
    51. 

  51. <a name="l00032"></a>00032 <span class="comment"> * ========================================================================== */</span>
    52. 

  52. <a name="l00033"></a>00033 <span class="preprocessor">#ifndef DWC_DEVICE_ONLY</span>
    53. 

  53. <a name="l00034"></a>00034 <span class="preprocessor"></span>
    54. 

  54. <a name="l00035"></a>00035 <span class="preprocessor">#include "<a class="code" href="dwc__otg__hcd_8h.html">dwc_otg_hcd.h</a>"</span>
    55. 

  55. <a name="l00036"></a>00036 <span class="preprocessor">#include "<a class="code" href="dwc__otg__regs_8h.html">dwc_otg_regs.h</a>"</span>
    56. 

  56. <a name="l00037"></a>00037 
    57. 

  57. <a name="l00043"></a><a class="code" href="dwc__otg__hcd__intr_8c.html#b9dde24773f2741b9ff67e2d46760dc0">00043</a> int32_t <a class="code" href="dwc__otg__hcd_8h.html#b9dde24773f2741b9ff67e2d46760dc0">dwc_otg_hcd_handle_intr</a>(<a class="code" href="structdwc__otg__hcd.html">dwc_otg_hcd_t</a> * <a class="code" href="structdwc__otg__hcd.html">dwc_otg_hcd</a>)
    58. 

  58. <a name="l00044"></a>00044 {
    59. 

  59. <a name="l00045"></a>00045         <span class="keywordtype">int</span> retval = 0;
    60. 

  60. <a name="l00046"></a>00046 
    61. 

  61. <a name="l00047"></a>00047         <a class="code" href="structdwc__otg__core__if.html">dwc_otg_core_if_t</a> *core_if = dwc_otg_hcd-&gt;<a class="code" href="structdwc__otg__hcd.html#e36b9560ce538a7d2ea9bd266d4041f0">core_if</a>;
    62. 

  62. <a name="l00048"></a>00048         <a class="code" href="uniongintsts__data.html">gintsts_data_t</a> gintsts;
    63. 

  63. <a name="l00049"></a>00049 <span class="preprocessor">#ifdef DEBUG</span>
    64. 

  64. <a name="l00050"></a>00050 <span class="preprocessor"></span>        <a class="code" href="structdwc__otg__core__global__regs.html">dwc_otg_core_global_regs_t</a> *global_regs = core_if-&gt;<a class="code" href="structdwc__otg__core__if.html#909eae7e3b9432ca1e278b99f7811f52">core_global_regs</a>;
    65. 

  65. <a name="l00051"></a>00051 <span class="preprocessor">#endif</span>
    66. 

  66. <a name="l00052"></a>00052 <span class="preprocessor"></span>
    67. 

  67. <a name="l00053"></a>00053         <span class="comment">/* Check if HOST Mode */</span>
    68. 

  68. <a name="l00054"></a>00054         <span class="keywordflow">if</span> (<a class="code" href="dwc__otg__cil_8c.html#f0bfe5f933e21a94ea06c96ffc086e72">dwc_otg_is_host_mode</a>(core_if)) {
    69. 

  69. <a name="l00055"></a>00055                 gintsts.<a class="code" href="uniongintsts__data.html#379f34f5a95628b735e3a965f9cea12d">d32</a> = <a class="code" href="dwc__otg__cil_8h.html#639809e3c27026b8f956c2a133b1d433">dwc_otg_read_core_intr</a>(core_if);
    70. 

  70. <a name="l00056"></a>00056                 <span class="keywordflow">if</span> (!gintsts.<a class="code" href="uniongintsts__data.html#379f34f5a95628b735e3a965f9cea12d">d32</a>) {
    71. 

  71. <a name="l00057"></a>00057                         <span class="keywordflow">return</span> 0;
    72. 

  72. <a name="l00058"></a>00058                 }
    73. 

  73. <a name="l00059"></a>00059 <span class="preprocessor">#ifdef DEBUG</span>
    74. 

  74. <a name="l00060"></a>00060 <span class="preprocessor"></span>                <span class="comment">/* Don't print debug message in the interrupt handler on SOF */</span>
    75. 

  75. <a name="l00061"></a>00061 <span class="preprocessor">#ifndef DEBUG_SOF</span>
    76. 

  76. <a name="l00062"></a>00062 <span class="preprocessor"></span>                <span class="keywordflow">if</span> (gintsts.<a class="code" href="uniongintsts__data.html#379f34f5a95628b735e3a965f9cea12d">d32</a> != <a class="code" href="dwc__otg__regs_8h.html#8cd1d59e0700e5b528deebdea7a7ac76">DWC_SOF_INTR_MASK</a>)
    77. 

  77. <a name="l00063"></a>00063 <span class="preprocessor">#endif</span>
    78. 

  78. <a name="l00064"></a>00064 <span class="preprocessor"></span>                        <a class="code" href="dwc__otg__dbg_8h.html#ed38f5a57cb756e97a17c0926cc9a10e">DWC_DEBUGPL</a>(<a class="code" href="dwc__otg__dbg_8h.html#e4a050e176c1c4f556da2b276a8c2b37">DBG_HCD</a>, <span class="stringliteral">"\n"</span>);
    79. 

  79. <a name="l00065"></a>00065 <span class="preprocessor">#endif</span>
    80. 

  80. <a name="l00066"></a>00066 <span class="preprocessor"></span>
    81. 

  81. <a name="l00067"></a>00067 <span class="preprocessor">#ifdef DEBUG</span>
    82. 

  82. <a name="l00068"></a>00068 <span class="preprocessor"></span><span class="preprocessor">#ifndef DEBUG_SOF</span>
    83. 

  83. <a name="l00069"></a>00069 <span class="preprocessor"></span>                <span class="keywordflow">if</span> (gintsts.<a class="code" href="uniongintsts__data.html#379f34f5a95628b735e3a965f9cea12d">d32</a> != <a class="code" href="dwc__otg__regs_8h.html#8cd1d59e0700e5b528deebdea7a7ac76">DWC_SOF_INTR_MASK</a>)
    84. 

  84. <a name="l00070"></a>00070 <span class="preprocessor">#endif</span>
    85. 

  85. <a name="l00071"></a>00071 <span class="preprocessor"></span>                        <a class="code" href="dwc__otg__dbg_8h.html#ed38f5a57cb756e97a17c0926cc9a10e">DWC_DEBUGPL</a>(DBG_HCD,
    86. 

  86. <a name="l00072"></a>00072                                     <span class="stringliteral">"DWC OTG HCD Interrupt Detected gintsts&amp;gintmsk=0x%08x\n"</span>,
    87. 

  87. <a name="l00073"></a>00073                                     gintsts.<a class="code" href="uniongintsts__data.html#379f34f5a95628b735e3a965f9cea12d">d32</a>);
    88. 

  88. <a name="l00074"></a>00074 <span class="preprocessor">#endif</span>
    89. 

  89. <a name="l00075"></a>00075 <span class="preprocessor"></span>
    90. 

  90. <a name="l00076"></a>00076                 <span class="keywordflow">if</span> (gintsts.<a class="code" href="uniongintsts__data.html#781da5558468e5dbdc93ae95e4cb872e">b</a>.<a class="code" href="uniongintsts__data.html#3f6ba377d6b1449884bb4da1b155c61b">sofintr</a>) {
    91. 

  91. <a name="l00077"></a>00077                         retval |= <a class="code" href="dwc__otg__hcd_8h.html#0eea8527657802e9cf0a62a00bd44a1d">dwc_otg_hcd_handle_sof_intr</a>(dwc_otg_hcd);
    92. 

  92. <a name="l00078"></a>00078                 }
    93. 

  93. <a name="l00079"></a>00079                 <span class="keywordflow">if</span> (gintsts.<a class="code" href="uniongintsts__data.html#781da5558468e5dbdc93ae95e4cb872e">b</a>.<a class="code" href="uniongintsts__data.html#7595576956c3a0ced9ea387880943012">rxstsqlvl</a>) {
    94. 

  94. <a name="l00080"></a>00080                         retval |=
    95. 

  95. <a name="l00081"></a>00081                             <a class="code" href="dwc__otg__hcd_8h.html#9d979e33e04fc694a72242dec63aeb89">dwc_otg_hcd_handle_rx_status_q_level_intr</a>
    96. 

  96. <a name="l00082"></a>00082                             (dwc_otg_hcd);
    97. 

  97. <a name="l00083"></a>00083                 }
    98. 

  98. <a name="l00084"></a>00084                 <span class="keywordflow">if</span> (gintsts.<a class="code" href="uniongintsts__data.html#781da5558468e5dbdc93ae95e4cb872e">b</a>.<a class="code" href="uniongintsts__data.html#adebf5ff5bdf69a2bcf0bd4b2ba55ef4">nptxfempty</a>) {
    99. 

  99. <a name="l00085"></a>00085                         retval |=
    100. 

  100. <a name="l00086"></a>00086                             <a class="code" href="dwc__otg__hcd_8h.html#51c953aefbc2382adee9f585fdb26f35">dwc_otg_hcd_handle_np_tx_fifo_empty_intr</a>
    101. 

  101. <a name="l00087"></a>00087                             (dwc_otg_hcd);
    102. 

  102. <a name="l00088"></a>00088                 }
    103. 

  103. <a name="l00089"></a>00089                 <span class="keywordflow">if</span> (gintsts.<a class="code" href="uniongintsts__data.html#781da5558468e5dbdc93ae95e4cb872e">b</a>.<a class="code" href="uniongintsts__data.html#2e8bd51ad285fd46db48f9fb5bbb7993">i2cintr</a>) {
    104. 

  104. <a name="l00091"></a>00091                 }
    105. 

  105. <a name="l00092"></a>00092                 <span class="keywordflow">if</span> (gintsts.<a class="code" href="uniongintsts__data.html#781da5558468e5dbdc93ae95e4cb872e">b</a>.<a class="code" href="uniongintsts__data.html#7490e48c2c93d20c182f00161f18b8e5">portintr</a>) {
    106. 

  106. <a name="l00093"></a>00093                         retval |= <a class="code" href="dwc__otg__hcd_8h.html#18bb807c86935a45f5fe5940e5ded70c">dwc_otg_hcd_handle_port_intr</a>(dwc_otg_hcd);
    107. 

  107. <a name="l00094"></a>00094                 }
    108. 

  108. <a name="l00095"></a>00095                 <span class="keywordflow">if</span> (gintsts.<a class="code" href="uniongintsts__data.html#781da5558468e5dbdc93ae95e4cb872e">b</a>.<a class="code" href="uniongintsts__data.html#e02f1a50b20ed1c4248fd76e155147e8">hcintr</a>) {
    109. 

  109. <a name="l00096"></a>00096                         retval |= <a class="code" href="dwc__otg__hcd_8h.html#1f28e296c0bc4146da309385d95b5d7e">dwc_otg_hcd_handle_hc_intr</a>(dwc_otg_hcd);
    110. 

  110. <a name="l00097"></a>00097                 }
    111. 

  111. <a name="l00098"></a>00098                 <span class="keywordflow">if</span> (gintsts.<a class="code" href="uniongintsts__data.html#781da5558468e5dbdc93ae95e4cb872e">b</a>.<a class="code" href="uniongintsts__data.html#54ed752629e9b8916507beca28d76162">ptxfempty</a>) {
    112. 

  112. <a name="l00099"></a>00099                         retval |=
    113. 

  113. <a name="l00100"></a>00100                             <a class="code" href="dwc__otg__hcd_8h.html#dcfa21f80c7732df9aaf3db59a86eb1d">dwc_otg_hcd_handle_perio_tx_fifo_empty_intr</a>
    114. 

  114. <a name="l00101"></a>00101                             (dwc_otg_hcd);
    115. 

  115. <a name="l00102"></a>00102                 }
    116. 

  116. <a name="l00103"></a>00103 <span class="preprocessor">#ifdef DEBUG</span>
    117. 

  117. <a name="l00104"></a>00104 <span class="preprocessor"></span><span class="preprocessor">#ifndef DEBUG_SOF</span>
    118. 

  118. <a name="l00105"></a>00105 <span class="preprocessor"></span>                <span class="keywordflow">if</span> (gintsts.<a class="code" href="uniongintsts__data.html#379f34f5a95628b735e3a965f9cea12d">d32</a> != <a class="code" href="dwc__otg__regs_8h.html#8cd1d59e0700e5b528deebdea7a7ac76">DWC_SOF_INTR_MASK</a>)
    119. 

  119. <a name="l00106"></a>00106 <span class="preprocessor">#endif</span>
    120. 

  120. <a name="l00107"></a>00107 <span class="preprocessor"></span>                {
    121. 

  121. <a name="l00108"></a>00108                         <a class="code" href="dwc__otg__dbg_8h.html#ed38f5a57cb756e97a17c0926cc9a10e">DWC_DEBUGPL</a>(DBG_HCD,
    122. 

  122. <a name="l00109"></a>00109                                     <span class="stringliteral">"DWC OTG HCD Finished Servicing Interrupts\n"</span>);
    123. 

  123. <a name="l00110"></a>00110                         <a class="code" href="dwc__otg__dbg_8h.html#ed38f5a57cb756e97a17c0926cc9a10e">DWC_DEBUGPL</a>(<a class="code" href="dwc__otg__dbg_8h.html#39931d908ba215b3d5d590e42d8408b5">DBG_HCDV</a>, <span class="stringliteral">"DWC OTG HCD gintsts=0x%08x\n"</span>,
    124. 

  124. <a name="l00111"></a>00111                                     dwc_read_reg32(&amp;global_regs-&gt;<a class="code" href="structdwc__otg__core__global__regs.html#aa1d909e3b0a60a56bf612968ff09019">gintsts</a>));
    125. 

  125. <a name="l00112"></a>00112                         <a class="code" href="dwc__otg__dbg_8h.html#ed38f5a57cb756e97a17c0926cc9a10e">DWC_DEBUGPL</a>(<a class="code" href="dwc__otg__dbg_8h.html#39931d908ba215b3d5d590e42d8408b5">DBG_HCDV</a>, <span class="stringliteral">"DWC OTG HCD gintmsk=0x%08x\n"</span>,
    126. 

  126. <a name="l00113"></a>00113                                     dwc_read_reg32(&amp;global_regs-&gt;<a class="code" href="structdwc__otg__core__global__regs.html#48827c76da2c6b18f369e2f2483cc4b6">gintmsk</a>));
    127. 

  127. <a name="l00114"></a>00114                 }
    128. 

  128. <a name="l00115"></a>00115 <span class="preprocessor">#endif</span>
    129. 

  129. <a name="l00116"></a>00116 <span class="preprocessor"></span>
    130. 

  130. <a name="l00117"></a>00117 <span class="preprocessor">#ifdef DEBUG</span>
    131. 

  131. <a name="l00118"></a>00118 <span class="preprocessor"></span><span class="preprocessor">#ifndef DEBUG_SOF</span>
    132. 

  132. <a name="l00119"></a>00119 <span class="preprocessor"></span>                <span class="keywordflow">if</span> (gintsts.<a class="code" href="uniongintsts__data.html#379f34f5a95628b735e3a965f9cea12d">d32</a> != <a class="code" href="dwc__otg__regs_8h.html#8cd1d59e0700e5b528deebdea7a7ac76">DWC_SOF_INTR_MASK</a>)
    133. 

  133. <a name="l00120"></a>00120 <span class="preprocessor">#endif</span>
    134. 

  134. <a name="l00121"></a>00121 <span class="preprocessor"></span>                        <a class="code" href="dwc__otg__dbg_8h.html#ed38f5a57cb756e97a17c0926cc9a10e">DWC_DEBUGPL</a>(DBG_HCD, <span class="stringliteral">"\n"</span>);
    135. 

  135. <a name="l00122"></a>00122 <span class="preprocessor">#endif</span>
    136. 

  136. <a name="l00123"></a>00123 <span class="preprocessor"></span>
    137. 

  137. <a name="l00124"></a>00124         }
    138. 

  138. <a name="l00125"></a>00125 
    139. 

  139. <a name="l00126"></a>00126         <span class="keywordflow">return</span> retval;
    140. 

  140. <a name="l00127"></a>00127 }
    141. 

  141. <a name="l00128"></a>00128 
    142. 

  142. <a name="l00129"></a>00129 <span class="preprocessor">#ifdef DWC_TRACK_MISSED_SOFS</span>
    143. 

  143. <a name="l00130"></a>00130 <span class="preprocessor"></span><span class="preprocessor">#warning Compiling code to track missed SOFs</span>
    144. 

  144. <a name="l00131"></a>00131 <span class="preprocessor"></span><span class="preprocessor">#define FRAME_NUM_ARRAY_SIZE 1000</span>
    145. 

  145. <a name="l00132"></a>00132 <span class="preprocessor"></span>
    146. 

  146. <a name="l00135"></a>00135 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> track_missed_sofs(uint16_t curr_frame_number)
    147. 

  147. <a name="l00136"></a>00136 {
    148. 

  148. <a name="l00137"></a>00137         <span class="keyword">static</span> uint16_t frame_num_array[FRAME_NUM_ARRAY_SIZE];
    149. 

  149. <a name="l00138"></a>00138         <span class="keyword">static</span> uint16_t last_frame_num_array[FRAME_NUM_ARRAY_SIZE];
    150. 

  150. <a name="l00139"></a>00139         <span class="keyword">static</span> <span class="keywordtype">int</span> frame_num_idx = 0;
    151. 

  151. <a name="l00140"></a>00140         <span class="keyword">static</span> uint16_t last_frame_num = <a class="code" href="dwc__otg__regs_8h.html#4903938414e67044883b7df5582d6eed">DWC_HFNUM_MAX_FRNUM</a>;
    152. 

  152. <a name="l00141"></a>00141         <span class="keyword">static</span> <span class="keywordtype">int</span> dumped_frame_num_array = 0;
    153. 

  153. <a name="l00142"></a>00142 
    154. 

  154. <a name="l00143"></a>00143         <span class="keywordflow">if</span> (frame_num_idx &lt; FRAME_NUM_ARRAY_SIZE) {
    155. 

  155. <a name="l00144"></a>00144                 <span class="keywordflow">if</span> (((last_frame_num + 1) &amp; <a class="code" href="dwc__otg__regs_8h.html#4903938414e67044883b7df5582d6eed">DWC_HFNUM_MAX_FRNUM</a>) !=
    156. 

  156. <a name="l00145"></a>00145                     curr_frame_number) {
    157. 

  157. <a name="l00146"></a>00146                         frame_num_array[frame_num_idx] = curr_frame_number;
    158. 

  158. <a name="l00147"></a>00147                         last_frame_num_array[frame_num_idx++] = last_frame_num;
    159. 

  159. <a name="l00148"></a>00148                 }
    160. 

  160. <a name="l00149"></a>00149         } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!dumped_frame_num_array) {
    161. 

  161. <a name="l00150"></a>00150                 <span class="keywordtype">int</span> i;
    162. 

  162. <a name="l00151"></a>00151                 DWC_PRINTF(<span class="stringliteral">"Frame     Last Frame\n"</span>);
    163. 

  163. <a name="l00152"></a>00152                 DWC_PRINTF(<span class="stringliteral">"-----     ----------\n"</span>);
    164. 

  164. <a name="l00153"></a>00153                 <span class="keywordflow">for</span> (i = 0; i &lt; FRAME_NUM_ARRAY_SIZE; i++) {
    165. 

  165. <a name="l00154"></a>00154                         DWC_PRINTF(<span class="stringliteral">"0x%04x    0x%04x\n"</span>,
    166. 

  166. <a name="l00155"></a>00155                                    frame_num_array[i], last_frame_num_array[i]);
    167. 

  167. <a name="l00156"></a>00156                 }
    168. 

  168. <a name="l00157"></a>00157                 dumped_frame_num_array = 1;
    169. 

  169. <a name="l00158"></a>00158         }
    170. 

  170. <a name="l00159"></a>00159         last_frame_num = curr_frame_number;
    171. 

  171. <a name="l00160"></a>00160 }
    172. 

  172. <a name="l00161"></a>00161 <span class="preprocessor">#endif</span>
    173. 

  173. <a name="l00162"></a>00162 <span class="preprocessor"></span>
    174. 

  174. <a name="l00169"></a><a class="code" href="dwc__otg__hcd__intr_8c.html#bbf5740390826d69bba80651ef9bd725">00169</a> int32_t <a class="code" href="dwc__otg__hcd_8h.html#0eea8527657802e9cf0a62a00bd44a1d">dwc_otg_hcd_handle_sof_intr</a>(<a class="code" href="structdwc__otg__hcd.html">dwc_otg_hcd_t</a> * hcd)
    175. 

  175. <a name="l00170"></a>00170 {
    176. 

  176. <a name="l00171"></a>00171         <a class="code" href="unionhfnum__data.html">hfnum_data_t</a> hfnum;
    177. 

  177. <a name="l00172"></a>00172         dwc_list_link_t *qh_entry;
    178. 

  178. <a name="l00173"></a>00173         <a class="code" href="structdwc__otg__qh.html">dwc_otg_qh_t</a> *qh;
    179. 

  179. <a name="l00174"></a>00174         <a class="code" href="dwc__otg__hcd_8h.html#92c49783eebc5bcffa8b8a51c2127be9">dwc_otg_transaction_type_e</a> tr_type;
    180. 

  180. <a name="l00175"></a>00175         <a class="code" href="uniongintsts__data.html">gintsts_data_t</a> gintsts = {.d32 = 0 };
    181. 

  181. <a name="l00176"></a>00176 
    182. 

  182. <a name="l00177"></a>00177         hfnum.<a class="code" href="unionhfnum__data.html#e5ccbed3af86ac88577ded328e6c9932">d32</a> =
    183. 

  183. <a name="l00178"></a>00178             dwc_read_reg32(&amp;hcd-&gt;<a class="code" href="structdwc__otg__hcd.html#e36b9560ce538a7d2ea9bd266d4041f0">core_if</a>-&gt;<a class="code" href="structdwc__otg__core__if.html#51bac71891b5f6f435d7fc4582b974c1">host_if</a>-&gt;<a class="code" href="structdwc__otg__host__if.html#ff9692c2e10ca2bc7e24f981f25179c2">host_global_regs</a>-&gt;<a class="code" href="structdwc__otg__host__global__regs.html#cebb0d86d0776473ef30eeac61e8692c">hfnum</a>);
    184. 

  184. <a name="l00179"></a>00179 
    185. 

  185. <a name="l00180"></a>00180 <span class="preprocessor">#ifdef DEBUG_SOF</span>
    186. 

  186. <a name="l00181"></a>00181 <span class="preprocessor"></span>        <a class="code" href="dwc__otg__dbg_8h.html#ed38f5a57cb756e97a17c0926cc9a10e">DWC_DEBUGPL</a>(<a class="code" href="dwc__otg__dbg_8h.html#e4a050e176c1c4f556da2b276a8c2b37">DBG_HCD</a>, <span class="stringliteral">"--Start of Frame Interrupt--\n"</span>);
    187. 

  187. <a name="l00182"></a>00182 <span class="preprocessor">#endif</span>
    188. 

  188. <a name="l00183"></a>00183 <span class="preprocessor"></span>        hcd-&gt;<a class="code" href="structdwc__otg__hcd.html#f79fefeb7908c0ddf702331253acb292">frame_number</a> = hfnum.<a class="code" href="unionhfnum__data.html#81df6fbd20a454665803eb5790855c66">b</a>.<a class="code" href="unionhfnum__data.html#a64e8b6c4a1cd262dbc30e158f3cb8bc">frnum</a>;
    189. 

  189. <a name="l00184"></a>00184 
    190. 

  190. <a name="l00185"></a>00185 <span class="preprocessor">#ifdef DEBUG</span>
    191. 

  191. <a name="l00186"></a>00186 <span class="preprocessor"></span>        hcd-&gt;frrem_accum += hfnum.<a class="code" href="unionhfnum__data.html#81df6fbd20a454665803eb5790855c66">b</a>.<a class="code" href="unionhfnum__data.html#2a2ce50ebd4c4da5347a2d93c4bbc996">frrem</a>;
    192. 

  192. <a name="l00187"></a>00187         hcd-&gt;frrem_samples++;
    193. 

  193. <a name="l00188"></a>00188 <span class="preprocessor">#endif</span>
    194. 

  194. <a name="l00189"></a>00189 <span class="preprocessor"></span>
    195. 

  195. <a name="l00190"></a>00190 <span class="preprocessor">#ifdef DWC_TRACK_MISSED_SOFS</span>
    196. 

  196. <a name="l00191"></a>00191 <span class="preprocessor"></span>        track_missed_sofs(hcd-&gt;<a class="code" href="structdwc__otg__hcd.html#f79fefeb7908c0ddf702331253acb292">frame_number</a>);
    197. 

  197. <a name="l00192"></a>00192 <span class="preprocessor">#endif</span>
    198. 

  198. <a name="l00193"></a>00193 <span class="preprocessor"></span>        <span class="comment">/* Determine whether any periodic QHs should be executed. */</span>
    199. 

  199. <a name="l00194"></a>00194         qh_entry = DWC_LIST_FIRST(&amp;hcd-&gt;<a class="code" href="structdwc__otg__hcd.html#2a747cacd6bdbacbef86d4157c34a312">periodic_sched_inactive</a>);
    200. 

  200. <a name="l00195"></a>00195         <span class="keywordflow">while</span> (qh_entry != &amp;hcd-&gt;<a class="code" href="structdwc__otg__hcd.html#2a747cacd6bdbacbef86d4157c34a312">periodic_sched_inactive</a>) {
    201. 

  201. <a name="l00196"></a>00196                 qh = DWC_LIST_ENTRY(qh_entry, <a class="code" href="structdwc__otg__qh.html">dwc_otg_qh_t</a>, qh_list_entry);
    202. 

  202. <a name="l00197"></a>00197                 qh_entry = qh_entry-&gt;next;
    203. 

  203. <a name="l00198"></a>00198                 <span class="keywordflow">if</span> (<a class="code" href="dwc__otg__hcd_8h.html#02aa5e9853fcc705b9b5c839a249e2f8">dwc_frame_num_le</a>(qh-&gt;<a class="code" href="structdwc__otg__qh.html#977a8032f08e45a9e9bdcd558a6965d3">sched_frame</a>, hcd-&gt;<a class="code" href="structdwc__otg__hcd.html#f79fefeb7908c0ddf702331253acb292">frame_number</a>)) {
    204. 

  204. <a name="l00199"></a>00199                         <span class="comment">/*</span>
    205. 

  205. <a name="l00200"></a>00200 <span class="comment">                         * Move QH to the ready list to be executed next</span>
    206. 

  206. <a name="l00201"></a>00201 <span class="comment">                         * (micro)frame.</span>
    207. 

  207. <a name="l00202"></a>00202 <span class="comment">                         */</span>
    208. 

  208. <a name="l00203"></a>00203                         DWC_LIST_MOVE_HEAD(&amp;hcd-&gt;<a class="code" href="structdwc__otg__hcd.html#74b089e094911a558f7b5f24681d3242">periodic_sched_ready</a>,
    209. 

  209. <a name="l00204"></a>00204                                            &amp;qh-&gt;<a class="code" href="structdwc__otg__qh.html#3e1cb9863dc72139e1832c04244c25ff">qh_list_entry</a>);
    210. 

  210. <a name="l00205"></a>00205                 }
    211. 

  211. <a name="l00206"></a>00206         }
    212. 

  212. <a name="l00207"></a>00207         tr_type = <a class="code" href="dwc__otg__hcd_8c.html#96cc299f4f0478187ed7ba49b975ffc3">dwc_otg_hcd_select_transactions</a>(hcd);
    213. 

  213. <a name="l00208"></a>00208         <span class="keywordflow">if</span> (tr_type != DWC_OTG_TRANSACTION_NONE) {
    214. 

  214. <a name="l00209"></a>00209                 <a class="code" href="dwc__otg__hcd_8c.html#2f57bf2fc3013d63101f112702b913a0">dwc_otg_hcd_queue_transactions</a>(hcd, tr_type);
    215. 

  215. <a name="l00210"></a>00210         }
    216. 

  216. <a name="l00211"></a>00211 
    217. 

  217. <a name="l00212"></a>00212         <span class="comment">/* Clear interrupt */</span>
    218. 

  218. <a name="l00213"></a>00213         gintsts.<a class="code" href="uniongintsts__data.html#781da5558468e5dbdc93ae95e4cb872e">b</a>.<a class="code" href="uniongintsts__data.html#3f6ba377d6b1449884bb4da1b155c61b">sofintr</a> = 1;
    219. 

  219. <a name="l00214"></a>00214         dwc_write_reg32(&amp;hcd-&gt;<a class="code" href="structdwc__otg__hcd.html#e36b9560ce538a7d2ea9bd266d4041f0">core_if</a>-&gt;<a class="code" href="structdwc__otg__core__if.html#909eae7e3b9432ca1e278b99f7811f52">core_global_regs</a>-&gt;<a class="code" href="structdwc__otg__core__global__regs.html#aa1d909e3b0a60a56bf612968ff09019">gintsts</a>, gintsts.<a class="code" href="uniongintsts__data.html#379f34f5a95628b735e3a965f9cea12d">d32</a>);
    220. 

  220. <a name="l00215"></a>00215 
    221. 

  221. <a name="l00216"></a>00216         <span class="keywordflow">return</span> 1;
    222. 

  222. <a name="l00217"></a>00217 }
    223. 

  223. <a name="l00218"></a>00218 
    224. 

  224. <a name="l00222"></a><a class="code" href="dwc__otg__hcd__intr_8c.html#9d979e33e04fc694a72242dec63aeb89">00222</a> int32_t <a class="code" href="dwc__otg__hcd_8h.html#9d979e33e04fc694a72242dec63aeb89">dwc_otg_hcd_handle_rx_status_q_level_intr</a>(<a class="code" href="structdwc__otg__hcd.html">dwc_otg_hcd_t</a> * <a class="code" href="structdwc__otg__hcd.html">dwc_otg_hcd</a>)
    225. 

  225. <a name="l00223"></a>00223 {
    226. 

  226. <a name="l00224"></a>00224         <a class="code" href="unionhost__grxsts__data.html">host_grxsts_data_t</a> grxsts;
    227. 

  227. <a name="l00225"></a>00225         <a class="code" href="structdwc__hc.html">dwc_hc_t</a> *hc = NULL;
    228. 

  228. <a name="l00226"></a>00226 
    229. 

  229. <a name="l00227"></a>00227         <a class="code" href="dwc__otg__dbg_8h.html#ed38f5a57cb756e97a17c0926cc9a10e">DWC_DEBUGPL</a>(<a class="code" href="dwc__otg__dbg_8h.html#e4a050e176c1c4f556da2b276a8c2b37">DBG_HCD</a>, <span class="stringliteral">"--RxStsQ Level Interrupt--\n"</span>);
    230. 

  230. <a name="l00228"></a>00228 
    231. 

  231. <a name="l00229"></a>00229         grxsts.<a class="code" href="unionhost__grxsts__data.html#993969735da9c3615652391aae76359a">d32</a> =
    232. 

  232. <a name="l00230"></a>00230             dwc_read_reg32(&amp;dwc_otg_hcd-&gt;<a class="code" href="structdwc__otg__hcd.html#e36b9560ce538a7d2ea9bd266d4041f0">core_if</a>-&gt;<a class="code" href="structdwc__otg__core__if.html#909eae7e3b9432ca1e278b99f7811f52">core_global_regs</a>-&gt;<a class="code" href="structdwc__otg__core__global__regs.html#763b05035799e1c16d34957fb62a2d17">grxstsp</a>);
    233. 

  233. <a name="l00231"></a>00231 
    234. 

  234. <a name="l00232"></a>00232         hc = dwc_otg_hcd-&gt;<a class="code" href="structdwc__otg__hcd.html#cb393f6a676fb106e0e3d35396fb97f9">hc_ptr_array</a>[grxsts.<a class="code" href="unionhost__grxsts__data.html#9d67ba193008dd6afa7fe613c665238d">b</a>.<a class="code" href="unionhost__grxsts__data.html#684095394d11ec74a327f945c9e678bf">chnum</a>];
    235. 

  235. <a name="l00233"></a>00233 
    236. 

  236. <a name="l00234"></a>00234         <span class="comment">/* Packet Status */</span>
    237. 

  237. <a name="l00235"></a>00235         <a class="code" href="dwc__otg__dbg_8h.html#ed38f5a57cb756e97a17c0926cc9a10e">DWC_DEBUGPL</a>(<a class="code" href="dwc__otg__dbg_8h.html#39931d908ba215b3d5d590e42d8408b5">DBG_HCDV</a>, <span class="stringliteral">"    Ch num = %d\n"</span>, grxsts.<a class="code" href="unionhost__grxsts__data.html#9d67ba193008dd6afa7fe613c665238d">b</a>.<a class="code" href="unionhost__grxsts__data.html#684095394d11ec74a327f945c9e678bf">chnum</a>);
    238. 

  238. <a name="l00236"></a>00236         <a class="code" href="dwc__otg__dbg_8h.html#ed38f5a57cb756e97a17c0926cc9a10e">DWC_DEBUGPL</a>(<a class="code" href="dwc__otg__dbg_8h.html#39931d908ba215b3d5d590e42d8408b5">DBG_HCDV</a>, <span class="stringliteral">"    Count = %d\n"</span>, grxsts.<a class="code" href="unionhost__grxsts__data.html#9d67ba193008dd6afa7fe613c665238d">b</a>.<a class="code" href="unionhost__grxsts__data.html#026fd4d8ab68825fab038c083b8e9c60">bcnt</a>);
    239. 

  239. <a name="l00237"></a>00237         <a class="code" href="dwc__otg__dbg_8h.html#ed38f5a57cb756e97a17c0926cc9a10e">DWC_DEBUGPL</a>(<a class="code" href="dwc__otg__dbg_8h.html#39931d908ba215b3d5d590e42d8408b5">DBG_HCDV</a>, <span class="stringliteral">"    DPID = %d, hc.dpid = %d\n"</span>, grxsts.<a class="code" href="unionhost__grxsts__data.html#9d67ba193008dd6afa7fe613c665238d">b</a>.<a class="code" href="unionhost__grxsts__data.html#5c4ca6a6c4a85064dd024095607a634d">dpid</a>,
    240. 

  240. <a name="l00238"></a>00238                     hc-&gt;<a class="code" href="structdwc__hc.html#513427c5e8c4603ba344d4e7f9191064">data_pid_start</a>);
    241. 

  241. <a name="l00239"></a>00239         <a class="code" href="dwc__otg__dbg_8h.html#ed38f5a57cb756e97a17c0926cc9a10e">DWC_DEBUGPL</a>(<a class="code" href="dwc__otg__dbg_8h.html#39931d908ba215b3d5d590e42d8408b5">DBG_HCDV</a>, <span class="stringliteral">"    PStatus = %d\n"</span>, grxsts.<a class="code" href="unionhost__grxsts__data.html#9d67ba193008dd6afa7fe613c665238d">b</a>.<a class="code" href="unionhost__grxsts__data.html#6dc2553475a56a445c6e6f319feffac8">pktsts</a>);
    242. 

  242. <a name="l00240"></a>00240 
    243. 

  243. <a name="l00241"></a>00241         <span class="keywordflow">switch</span> (grxsts.<a class="code" href="unionhost__grxsts__data.html#9d67ba193008dd6afa7fe613c665238d">b</a>.<a class="code" href="unionhost__grxsts__data.html#6dc2553475a56a445c6e6f319feffac8">pktsts</a>) {
    244. 

  244. <a name="l00242"></a>00242         <span class="keywordflow">case</span> <a class="code" href="dwc__otg__regs_8h.html#d81c89ef7c3e40cfffe9ed08b7136e90">DWC_GRXSTS_PKTSTS_IN</a>:
    245. 

  245. <a name="l00243"></a>00243                 <span class="comment">/* Read the data into the host buffer. */</span>
    246. 

  246. <a name="l00244"></a>00244                 <span class="keywordflow">if</span> (grxsts.<a class="code" href="unionhost__grxsts__data.html#9d67ba193008dd6afa7fe613c665238d">b</a>.<a class="code" href="unionhost__grxsts__data.html#026fd4d8ab68825fab038c083b8e9c60">bcnt</a> &gt; 0) {
    247. 

  247. <a name="l00245"></a>00245                         <a class="code" href="dwc__otg__cil_8c.html#68f59dd23ccfffa9aa1dc590e99b7668">dwc_otg_read_packet</a>(dwc_otg_hcd-&gt;<a class="code" href="structdwc__otg__hcd.html#e36b9560ce538a7d2ea9bd266d4041f0">core_if</a>,
    248. 

  248. <a name="l00246"></a>00246                                             hc-&gt;<a class="code" href="structdwc__hc.html#9dc781cb9e4bc639765beee37ce76673">xfer_buff</a>, grxsts.<a class="code" href="unionhost__grxsts__data.html#9d67ba193008dd6afa7fe613c665238d">b</a>.<a class="code" href="unionhost__grxsts__data.html#026fd4d8ab68825fab038c083b8e9c60">bcnt</a>);
    249. 

  249. <a name="l00247"></a>00247 
    250. 

  250. <a name="l00248"></a>00248                         <span class="comment">/* Update the HC fields for the next packet received. */</span>
    251. 

  251. <a name="l00249"></a>00249                         hc-&gt;<a class="code" href="structdwc__hc.html#6199aaeab2d64954311c410b30270293">xfer_count</a> += grxsts.<a class="code" href="unionhost__grxsts__data.html#9d67ba193008dd6afa7fe613c665238d">b</a>.<a class="code" href="unionhost__grxsts__data.html#026fd4d8ab68825fab038c083b8e9c60">bcnt</a>;
    252. 

  252. <a name="l00250"></a>00250                         hc-&gt;<a class="code" href="structdwc__hc.html#9dc781cb9e4bc639765beee37ce76673">xfer_buff</a> += grxsts.<a class="code" href="unionhost__grxsts__data.html#9d67ba193008dd6afa7fe613c665238d">b</a>.<a class="code" href="unionhost__grxsts__data.html#026fd4d8ab68825fab038c083b8e9c60">bcnt</a>;
    253. 

  253. <a name="l00251"></a>00251                 }
    254. 

  254. <a name="l00252"></a>00252 
    255. 

  255. <a name="l00253"></a>00253         <span class="keywordflow">case</span> <a class="code" href="dwc__otg__regs_8h.html#c5c019a36ea5cb66d3cb436292d8c3de">DWC_GRXSTS_PKTSTS_IN_XFER_COMP</a>:
    256. 

  256. <a name="l00254"></a>00254         <span class="keywordflow">case</span> <a class="code" href="dwc__otg__regs_8h.html#63be63fa3258a785d81ded62ab27b30d">DWC_GRXSTS_PKTSTS_DATA_TOGGLE_ERR</a>:
    257. 

  257. <a name="l00255"></a>00255         <span class="keywordflow">case</span> <a class="code" href="dwc__otg__regs_8h.html#a6d1e988dc17e285244c4e587440cbef">DWC_GRXSTS_PKTSTS_CH_HALTED</a>:
    258. 

  258. <a name="l00256"></a>00256                 <span class="comment">/* Handled in interrupt, just ignore data */</span>
    259. 

  259. <a name="l00257"></a>00257                 <span class="keywordflow">break</span>;
    260. 

  260. <a name="l00258"></a>00258         <span class="keywordflow">default</span>:
    261. 

  261. <a name="l00259"></a>00259                 DWC_ERROR(<span class="stringliteral">"RX_STS_Q Interrupt: Unknown status %d\n"</span>,
    262. 

  262. <a name="l00260"></a>00260                           grxsts.<a class="code" href="unionhost__grxsts__data.html#9d67ba193008dd6afa7fe613c665238d">b</a>.<a class="code" href="unionhost__grxsts__data.html#6dc2553475a56a445c6e6f319feffac8">pktsts</a>);
    263. 

  263. <a name="l00261"></a>00261                 <span class="keywordflow">break</span>;
    264. 

  264. <a name="l00262"></a>00262         }
    265. 

  265. <a name="l00263"></a>00263 
    266. 

  266. <a name="l00264"></a>00264         <span class="keywordflow">return</span> 1;
    267. 

  267. <a name="l00265"></a>00265 }
    268. 

  268. <a name="l00266"></a>00266 
    269. 

  269. <a name="l00271"></a><a class="code" href="dwc__otg__hcd__intr_8c.html#51c953aefbc2382adee9f585fdb26f35">00271</a> int32_t <a class="code" href="dwc__otg__hcd_8h.html#51c953aefbc2382adee9f585fdb26f35">dwc_otg_hcd_handle_np_tx_fifo_empty_intr</a>(<a class="code" href="structdwc__otg__hcd.html">dwc_otg_hcd_t</a> * <a class="code" href="structdwc__otg__hcd.html">dwc_otg_hcd</a>)
    270. 

  270. <a name="l00272"></a>00272 {
    271. 

  271. <a name="l00273"></a>00273         <a class="code" href="dwc__otg__dbg_8h.html#ed38f5a57cb756e97a17c0926cc9a10e">DWC_DEBUGPL</a>(<a class="code" href="dwc__otg__dbg_8h.html#e4a050e176c1c4f556da2b276a8c2b37">DBG_HCD</a>, <span class="stringliteral">"--Non-Periodic TxFIFO Empty Interrupt--\n"</span>);
    272. 

  272. <a name="l00274"></a>00274         <a class="code" href="dwc__otg__hcd_8c.html#2f57bf2fc3013d63101f112702b913a0">dwc_otg_hcd_queue_transactions</a>(dwc_otg_hcd,
    273. 

  273. <a name="l00275"></a>00275                                        DWC_OTG_TRANSACTION_NON_PERIODIC);
    274. 

  274. <a name="l00276"></a>00276         <span class="keywordflow">return</span> 1;
    275. 

  275. <a name="l00277"></a>00277 }
    276. 

  276. <a name="l00278"></a>00278 
    277. 

  277. <a name="l00283"></a><a class="code" href="dwc__otg__hcd__intr_8c.html#dcfa21f80c7732df9aaf3db59a86eb1d">00283</a> int32_t <a class="code" href="dwc__otg__hcd_8h.html#dcfa21f80c7732df9aaf3db59a86eb1d">dwc_otg_hcd_handle_perio_tx_fifo_empty_intr</a>(<a class="code" href="structdwc__otg__hcd.html">dwc_otg_hcd_t</a> * <a class="code" href="structdwc__otg__hcd.html">dwc_otg_hcd</a>)
    278. 

  278. <a name="l00284"></a>00284 {
    279. 

  279. <a name="l00285"></a>00285         <a class="code" href="dwc__otg__dbg_8h.html#ed38f5a57cb756e97a17c0926cc9a10e">DWC_DEBUGPL</a>(<a class="code" href="dwc__otg__dbg_8h.html#e4a050e176c1c4f556da2b276a8c2b37">DBG_HCD</a>, <span class="stringliteral">"--Periodic TxFIFO Empty Interrupt--\n"</span>);
    280. 

  280. <a name="l00286"></a>00286         <a class="code" href="dwc__otg__hcd_8c.html#2f57bf2fc3013d63101f112702b913a0">dwc_otg_hcd_queue_transactions</a>(dwc_otg_hcd,
    281. 

  281. <a name="l00287"></a>00287                                        DWC_OTG_TRANSACTION_PERIODIC);
    282. 

  282. <a name="l00288"></a>00288         <span class="keywordflow">return</span> 1;
    283. 

  283. <a name="l00289"></a>00289 }
    284. 

  284. <a name="l00290"></a>00290 
    285. 

  285. <a name="l00294"></a><a class="code" href="dwc__otg__hcd__intr_8c.html#18bb807c86935a45f5fe5940e5ded70c">00294</a> int32_t <a class="code" href="dwc__otg__hcd_8h.html#18bb807c86935a45f5fe5940e5ded70c">dwc_otg_hcd_handle_port_intr</a>(<a class="code" href="structdwc__otg__hcd.html">dwc_otg_hcd_t</a> * <a class="code" href="structdwc__otg__hcd.html">dwc_otg_hcd</a>)
    286. 

  286. <a name="l00295"></a>00295 {
    287. 

  287. <a name="l00296"></a>00296         <span class="keywordtype">int</span> retval = 0;
    288. 

  288. <a name="l00297"></a>00297         <a class="code" href="unionhprt0__data.html">hprt0_data_t</a> hprt0;
    289. 

  289. <a name="l00298"></a>00298         <a class="code" href="unionhprt0__data.html">hprt0_data_t</a> hprt0_modify;
    290. 

  290. <a name="l00299"></a>00299 
    291. 

  291. <a name="l00300"></a>00300         hprt0.<a class="code" href="unionhprt0__data.html#88e9271f697d2ec209fc6a6da67fe216">d32</a> = dwc_read_reg32(dwc_otg_hcd-&gt;<a class="code" href="structdwc__otg__hcd.html#e36b9560ce538a7d2ea9bd266d4041f0">core_if</a>-&gt;<a class="code" href="structdwc__otg__core__if.html#51bac71891b5f6f435d7fc4582b974c1">host_if</a>-&gt;<a class="code" href="structdwc__otg__host__if.html#dc8fe33e0bb3829cafa884d5fc603c4d">hprt0</a>);
    292. 

  292. <a name="l00301"></a>00301         hprt0_modify.<a class="code" href="unionhprt0__data.html#88e9271f697d2ec209fc6a6da67fe216">d32</a> = dwc_read_reg32(dwc_otg_hcd-&gt;<a class="code" href="structdwc__otg__hcd.html#e36b9560ce538a7d2ea9bd266d4041f0">core_if</a>-&gt;<a class="code" href="structdwc__otg__core__if.html#51bac71891b5f6f435d7fc4582b974c1">host_if</a>-&gt;<a class="code" href="structdwc__otg__host__if.html#dc8fe33e0bb3829cafa884d5fc603c4d">hprt0</a>);
    293. 

  293. <a name="l00302"></a>00302 
    294. 

  294. <a name="l00303"></a>00303         <span class="comment">/* Clear appropriate bits in HPRT0 to clear the interrupt bit in</span>
    295. 

  295. <a name="l00304"></a>00304 <span class="comment">         * GINTSTS */</span>
    296. 

  296. <a name="l00305"></a>00305 
    297. 

  297. <a name="l00306"></a>00306         hprt0_modify.<a class="code" href="unionhprt0__data.html#08cd86ce6da6462fc53601db7e2b73f3">b</a>.<a class="code" href="unionhprt0__data.html#a964274b5d22e89ca4490f66dff3c763">prtena</a> = 0;
    298. 

  298. <a name="l00307"></a>00307         hprt0_modify.<a class="code" href="unionhprt0__data.html#08cd86ce6da6462fc53601db7e2b73f3">b</a>.<a class="code" href="unionhprt0__data.html#5124a40eeafd92c9632c91a2c3132937">prtconndet</a> = 0;
    299. 

  299. <a name="l00308"></a>00308         hprt0_modify.<a class="code" href="unionhprt0__data.html#08cd86ce6da6462fc53601db7e2b73f3">b</a>.<a class="code" href="unionhprt0__data.html#75eae10eb537e49cc1ae2dc01c18aa47">prtenchng</a> = 0;
    300. 

  300. <a name="l00309"></a>00309         hprt0_modify.<a class="code" href="unionhprt0__data.html#08cd86ce6da6462fc53601db7e2b73f3">b</a>.<a class="code" href="unionhprt0__data.html#cc51da1d52cb824d419ef3feb6ba70b6">prtovrcurrchng</a> = 0;
    301. 

  301. <a name="l00310"></a>00310 
    302. 

  302. <a name="l00311"></a>00311         <span class="comment">/* Port Connect Detected</span>
    303. 

  303. <a name="l00312"></a>00312 <span class="comment">         * Set flag and clear if detected */</span>
    304. 

  304. <a name="l00313"></a>00313         <span class="keywordflow">if</span> (hprt0.<a class="code" href="unionhprt0__data.html#08cd86ce6da6462fc53601db7e2b73f3">b</a>.<a class="code" href="unionhprt0__data.html#5124a40eeafd92c9632c91a2c3132937">prtconndet</a>) {
    305. 

  305. <a name="l00314"></a>00314                 <a class="code" href="dwc__otg__dbg_8h.html#ed38f5a57cb756e97a17c0926cc9a10e">DWC_DEBUGPL</a>(<a class="code" href="dwc__otg__dbg_8h.html#e4a050e176c1c4f556da2b276a8c2b37">DBG_HCD</a>, <span class="stringliteral">"--Port Interrupt HPRT0=0x%08x "</span>
    306. 

  306. <a name="l00315"></a>00315                             <span class="stringliteral">"Port Connect Detected--\n"</span>, hprt0.<a class="code" href="unionhprt0__data.html#88e9271f697d2ec209fc6a6da67fe216">d32</a>);
    307. 

  307. <a name="l00316"></a>00316                 dwc_otg_hcd-&gt;<a class="code" href="structdwc__otg__hcd.html#9aaf2a112f5794f92dedd826342bd637">flags</a>.<a class="code" href="uniondwc__otg__hcd_1_1dwc__otg__hcd__internal__flags.html#76f573861d9316238ded198c58c228c7">b</a>.<a class="code" href="uniondwc__otg__hcd_1_1dwc__otg__hcd__internal__flags.html#cd31ac4b9658265e90773448f354f0e1">port_connect_status_change</a> = 1;
    308. 

  308. <a name="l00317"></a>00317                 dwc_otg_hcd-&gt;<a class="code" href="structdwc__otg__hcd.html#9aaf2a112f5794f92dedd826342bd637">flags</a>.<a class="code" href="uniondwc__otg__hcd_1_1dwc__otg__hcd__internal__flags.html#76f573861d9316238ded198c58c228c7">b</a>.<a class="code" href="uniondwc__otg__hcd_1_1dwc__otg__hcd__internal__flags.html#9314ac02ed140807687793b512f78c63">port_connect_status</a> = 1;
    309. 

  309. <a name="l00318"></a>00318                 hprt0_modify.<a class="code" href="unionhprt0__data.html#08cd86ce6da6462fc53601db7e2b73f3">b</a>.<a class="code" href="unionhprt0__data.html#5124a40eeafd92c9632c91a2c3132937">prtconndet</a> = 1;
    310. 

  310. <a name="l00319"></a>00319 
    311. 

  311. <a name="l00320"></a>00320                 <span class="comment">/* B-Device has connected, Delete the connection timer. */</span>
    312. 

  312. <a name="l00321"></a>00321                 DWC_TIMER_CANCEL(dwc_otg_hcd-&gt;<a class="code" href="structdwc__otg__hcd.html#de7796a41bb7d1e45ed9dbc20c995342">conn_timer</a>);
    313. 

  313. <a name="l00322"></a>00322 
    314. 

  314. <a name="l00323"></a>00323                 <span class="comment">/* The Hub driver asserts a reset when it sees port connect</span>
    315. 

  315. <a name="l00324"></a>00324 <span class="comment">                 * status change flag */</span>
    316. 

  316. <a name="l00325"></a>00325                 retval |= 1;
    317. 

  317. <a name="l00326"></a>00326         }
    318. 

  318. <a name="l00327"></a>00327 
    319. 

  319. <a name="l00328"></a>00328         <span class="comment">/* Port Enable Changed</span>
    320. 

  320. <a name="l00329"></a>00329 <span class="comment">         * Clear if detected - Set internal flag if disabled */</span>
    321. 

  321. <a name="l00330"></a>00330         <span class="keywordflow">if</span> (hprt0.<a class="code" href="unionhprt0__data.html#08cd86ce6da6462fc53601db7e2b73f3">b</a>.<a class="code" href="unionhprt0__data.html#75eae10eb537e49cc1ae2dc01c18aa47">prtenchng</a>) {
    322. 

  322. <a name="l00331"></a>00331                 <a class="code" href="dwc__otg__dbg_8h.html#ed38f5a57cb756e97a17c0926cc9a10e">DWC_DEBUGPL</a>(<a class="code" href="dwc__otg__dbg_8h.html#e4a050e176c1c4f556da2b276a8c2b37">DBG_HCD</a>, <span class="stringliteral">"  --Port Interrupt HPRT0=0x%08x "</span>
    323. 

  323. <a name="l00332"></a>00332                             <span class="stringliteral">"Port Enable Changed--\n"</span>, hprt0.<a class="code" href="unionhprt0__data.html#88e9271f697d2ec209fc6a6da67fe216">d32</a>);
    324. 

  324. <a name="l00333"></a>00333                 hprt0_modify.<a class="code" href="unionhprt0__data.html#08cd86ce6da6462fc53601db7e2b73f3">b</a>.<a class="code" href="unionhprt0__data.html#75eae10eb537e49cc1ae2dc01c18aa47">prtenchng</a> = 1;
    325. 

  325. <a name="l00334"></a>00334                 <span class="keywordflow">if</span> (hprt0.<a class="code" href="unionhprt0__data.html#08cd86ce6da6462fc53601db7e2b73f3">b</a>.<a class="code" href="unionhprt0__data.html#a964274b5d22e89ca4490f66dff3c763">prtena</a> == 1) {
    326. 

  326. <a name="l00335"></a>00335                         <span class="keywordtype">int</span> do_reset = 0;
    327. 

  327. <a name="l00336"></a>00336                         <a class="code" href="structdwc__otg__core__params.html">dwc_otg_core_params_t</a> *params =
    328. 

  328. <a name="l00337"></a>00337                             dwc_otg_hcd-&gt;<a class="code" href="structdwc__otg__hcd.html#e36b9560ce538a7d2ea9bd266d4041f0">core_if</a>-&gt;<a class="code" href="structdwc__otg__core__if.html#63ffc9b8e36340bd59bf1fab9ca490ad">core_params</a>;
    329. 

  329. <a name="l00338"></a>00338                         <a class="code" href="structdwc__otg__core__global__regs.html">dwc_otg_core_global_regs_t</a> *global_regs =
    330. 

  330. <a name="l00339"></a>00339                             dwc_otg_hcd-&gt;<a class="code" href="structdwc__otg__hcd.html#e36b9560ce538a7d2ea9bd266d4041f0">core_if</a>-&gt;<a class="code" href="structdwc__otg__core__if.html#909eae7e3b9432ca1e278b99f7811f52">core_global_regs</a>;
    331. 

  331. <a name="l00340"></a>00340                         <a class="code" href="structdwc__otg__host__if.html">dwc_otg_host_if_t</a> *host_if =
    332. 

  332. <a name="l00341"></a>00341                             dwc_otg_hcd-&gt;<a class="code" href="structdwc__otg__hcd.html#e36b9560ce538a7d2ea9bd266d4041f0">core_if</a>-&gt;<a class="code" href="structdwc__otg__core__if.html#51bac71891b5f6f435d7fc4582b974c1">host_if</a>;
    333. 

  333. <a name="l00342"></a>00342 
    334. 

  334. <a name="l00343"></a>00343                         <span class="comment">/* Check if we need to adjust the PHY clock speed for</span>
    335. 

  335. <a name="l00344"></a>00344 <span class="comment">                         * low power and adjust it */</span>
    336. 

  336. <a name="l00345"></a>00345                         <span class="keywordflow">if</span> (params-&gt;<a class="code" href="structdwc__otg__core__params.html#85cad588a450b8497347af9cf166bfde">host_support_fs_ls_low_power</a>) {
    337. 

  337. <a name="l00346"></a>00346                                 <a class="code" href="uniongusbcfg__data.html">gusbcfg_data_t</a> usbcfg;
    338. 

  338. <a name="l00347"></a>00347 
    339. 

  339. <a name="l00348"></a>00348                                 usbcfg.<a class="code" href="uniongusbcfg__data.html#c3d8f2d95fd61a172eb108cb72a85b47">d32</a> =
    340. 

  340. <a name="l00349"></a>00349                                     dwc_read_reg32(&amp;global_regs-&gt;<a class="code" href="structdwc__otg__core__global__regs.html#ef39e181e246447df47c56aa4e37cc42">gusbcfg</a>);
    341. 

  341. <a name="l00350"></a>00350 
    342. 

  342. <a name="l00351"></a>00351                                 <span class="keywordflow">if</span> (hprt0.<a class="code" href="unionhprt0__data.html#08cd86ce6da6462fc53601db7e2b73f3">b</a>.<a class="code" href="unionhprt0__data.html#59f1c27b8c912de0237d2d2974fc2a22">prtspd</a> == <a class="code" href="dwc__otg__regs_8h.html#db9e36d1ab76c334f6e004ee270bd36f">DWC_HPRT0_PRTSPD_LOW_SPEED</a>
    343. 

  343. <a name="l00352"></a>00352                                     || hprt0.<a class="code" href="unionhprt0__data.html#08cd86ce6da6462fc53601db7e2b73f3">b</a>.<a class="code" href="unionhprt0__data.html#59f1c27b8c912de0237d2d2974fc2a22">prtspd</a> ==
    344. 

  344. <a name="l00353"></a>00353                                     <a class="code" href="dwc__otg__regs_8h.html#1d144361f6655bb79e7503e7159e6be5">DWC_HPRT0_PRTSPD_FULL_SPEED</a>) {
    345. 

  345. <a name="l00354"></a>00354                                         <span class="comment">/*</span>
    346. 

  346. <a name="l00355"></a>00355 <span class="comment">                                         * Low power</span>
    347. 

  347. <a name="l00356"></a>00356 <span class="comment">                                         */</span>
    348. 

  348. <a name="l00357"></a>00357                                         <a class="code" href="unionhcfg__data.html">hcfg_data_t</a> hcfg;
    349. 

  349. <a name="l00358"></a>00358                                         <span class="keywordflow">if</span> (usbcfg.<a class="code" href="uniongusbcfg__data.html#1dab81bf7260b1e23f97298c34abea06">b</a>.<a class="code" href="uniongusbcfg__data.html#9e4bac4a0ef0a045f97792f68c5f35df">phylpwrclksel</a> == 0) {
    350. 

  350. <a name="l00359"></a>00359                                                 <span class="comment">/* Set PHY low power clock select for FS/LS devices */</span>
    351. 

  351. <a name="l00360"></a>00360                                                 usbcfg.<a class="code" href="uniongusbcfg__data.html#1dab81bf7260b1e23f97298c34abea06">b</a>.<a class="code" href="uniongusbcfg__data.html#9e4bac4a0ef0a045f97792f68c5f35df">phylpwrclksel</a> = 1;
    352. 

  352. <a name="l00361"></a>00361                                                 dwc_write_reg32(&amp;global_regs-&gt;
    353. 

  353. <a name="l00362"></a>00362                                                                 gusbcfg,
    354. 

  354. <a name="l00363"></a>00363                                                                 usbcfg.<a class="code" href="uniongusbcfg__data.html#c3d8f2d95fd61a172eb108cb72a85b47">d32</a>);
    355. 

  355. <a name="l00364"></a>00364                                                 do_reset = 1;
    356. 

  356. <a name="l00365"></a>00365                                         }
    357. 

  357. <a name="l00366"></a>00366 
    358. 

  358. <a name="l00367"></a>00367                                         hcfg.<a class="code" href="unionhcfg__data.html#381a253b3a38a7f943dcbb42f7bf10be">d32</a> =
    359. 

  359. <a name="l00368"></a>00368                                             dwc_read_reg32(&amp;host_if-&gt;
    360. 

  360. <a name="l00369"></a>00369                                                            host_global_regs-&gt;hcfg);
    361. 

  361. <a name="l00370"></a>00370 
    362. 

  362. <a name="l00371"></a>00371                                         <span class="keywordflow">if</span> (hprt0.<a class="code" href="unionhprt0__data.html#08cd86ce6da6462fc53601db7e2b73f3">b</a>.<a class="code" href="unionhprt0__data.html#59f1c27b8c912de0237d2d2974fc2a22">prtspd</a> ==
    363. 

  363. <a name="l00372"></a>00372                                             <a class="code" href="dwc__otg__regs_8h.html#db9e36d1ab76c334f6e004ee270bd36f">DWC_HPRT0_PRTSPD_LOW_SPEED</a>
    364. 

  364. <a name="l00373"></a>00373                                             &amp;&amp; params-&gt;
    365. 

  365. <a name="l00374"></a>0…
    366.

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