tool/mbed/mbed-sdk/libraries/USBHost/USBHost/TARGET_RENESAS/TARGET_RZ_A1H/usb0/src/common/usb0_host_intrn.c

   1 /*******************************************************************************
   2 * DISCLAIMER
   3 * This software is supplied by Renesas Electronics Corporation and is only
   4 * intended for use with Renesas products. No other uses are authorized. This
   5 * software is owned by Renesas Electronics Corporation and is protected under
   6 * all applicable laws, including copyright laws.
   7 * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
   8 * THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
   9 * LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
  10 * AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
  11 * TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
  12 * ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
  13 * FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
  14 * ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
  15 * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
  16 * Renesas reserves the right, without notice, to make changes to this software
  17 * and to discontinue the availability of this software. By using this software,
  18 * you agree to the additional terms and conditions found by accessing the
  19 * following link:
  20 * http://www.renesas.com/disclaimer
  21 * Copyright (C) 2012 - 2014 Renesas Electronics Corporation. All rights reserved.
  22 *******************************************************************************/
  23 /*******************************************************************************
  24 * File Name    : usb0_host_intrn.c
  25 * $Rev: 1116 $
  26 * $Date:: 2014-07-09 16:29:19 +0900#$
  27 * Device(s)    : RZ/A1H
  28 * Tool-Chain   :
  29 * OS           : None
  30 * H/W Platform :
  31 * Description  : RZ/A1H R7S72100 USB Sample Program
  32 * Operation    :
  33 * Limitations  :
  34 *******************************************************************************/
  35
  36
  37 /*******************************************************************************
  38 Includes   <System Includes> , "Project Includes"
  39 *******************************************************************************/
  40 #include "usb0_host.h"
  41 #if(1) /* ohci_wrapp */
  42 #include "ohci_wrapp_RZ_A1_local.h"
  43 #endif
  44
  45
  46 /*******************************************************************************
  47 Typedef definitions
  48 *******************************************************************************/
  49
  50
  51 /*******************************************************************************
  52 Macro definitions
  53 *******************************************************************************/
  54
  55
  56 /*******************************************************************************
  57 Imported global variables and functions (from other files)
  58 *******************************************************************************/
  59
  60
  61 /*******************************************************************************
  62 Exported global variables and functions (to be accessed by other files)
  63 *******************************************************************************/
  64
  65
  66 /*******************************************************************************
  67 Private global variables and functions
  68 *******************************************************************************/
  69
  70
  71 /*******************************************************************************
  72 * Function Name: usb0_host_brdy_int
  73 * Description  : Executes BRDY interrupt(USB_HOST_PIPE1-9).
  74 *              : According to the pipe that interrupt is generated in,
  75 *              : reads/writes buffer allocated in the pipe.
  76 *              : This function is executed in the BRDY interrupt handler.
  77 *              : This function clears BRDY interrupt status and BEMP interrupt
  78 *              : status.
  79 * Arguments    : uint16_t status       ; BRDYSTS Register Value
  80 *              : uint16_t int_enb      ; BRDYENB Register Value
  81 * Return Value : none
  82 *******************************************************************************/
  83 void usb0_host_brdy_int (uint16_t status, uint16_t int_enb)
  84 {
  85     uint32_t int_sense = 0;
  86     uint16_t pipe;
  87     uint16_t pipebit;
  88
  89     for (pipe = USB_HOST_PIPE1; pipe <= USB_HOST_MAX_PIPE_NO; pipe++)
  90     {
  91         pipebit = g_usb0_host_bit_set[pipe];
  92
  93         if ((status & pipebit) && (int_enb & pipebit))
  94         {
  95             USB200.BRDYSTS = (uint16_t)~pipebit;
  96             USB200.BEMPSTS = (uint16_t)~pipebit;
  97
  98             if ((g_usb0_host_PipeTbl[pipe] & USB_HOST_FIFO_USE) == USB_HOST_D0FIFO_DMA)
  99             {
 100                 if (g_usb0_host_DmaStatus[USB_HOST_D0FIFO] != USB_HOST_DMA_READY)
 101                 {
 102                     usb0_host_dma_interrupt_d0fifo(int_sense);
 103                 }
 104
 105                 if (RZA_IO_RegRead_16(&g_usb0_host_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0)
 106                 {
 107                     usb0_host_read_dma(pipe);
 108                     usb0_host_disable_brdy_int(pipe);
 109                 }
 110                 else
 111                 {
 112                     USB200.D0FIFOCTR = USB_HOST_BITBCLR;
 113                     g_usb0_host_pipe_status[pipe] = USB_HOST_PIPE_DONE;
 114                 }
 115             }
 116             else if ((g_usb0_host_PipeTbl[pipe] & USB_HOST_FIFO_USE) == USB_HOST_D1FIFO_DMA)
 117             {
 118                 if (g_usb0_host_DmaStatus[USB_HOST_D1FIFO] != USB_HOST_DMA_READY)
 119                 {
 120                     usb0_host_dma_interrupt_d1fifo(int_sense);
 121                 }
 122
 123                 if (RZA_IO_RegRead_16(&g_usb0_host_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0)
 124                 {
 125                     usb0_host_read_dma(pipe);
 126                     usb0_host_disable_brdy_int(pipe);
 127                 }
 128                 else
 129                 {
 130                     USB200.D1FIFOCTR = USB_HOST_BITBCLR;
 131                     g_usb0_host_pipe_status[pipe] = USB_HOST_PIPE_DONE;
 132                 }
 133             }
 134             else
 135             {
 136                 if (RZA_IO_RegRead_16(&g_usb0_host_pipecfg[pipe], USB_PIPECFG_DIR_SHIFT, USB_PIPECFG_DIR) == 0)
 137                 {
 138                     usb0_host_read_buffer(pipe);
 139                 }
 140                 else
 141                 {
 142                     usb0_host_write_buffer(pipe);
 143                 }
 144             }
 145 #if(1) /* ohci_wrapp */
 146             switch (g_usb0_host_pipe_status[pipe])
 147             {
 148                 case USB_HOST_PIPE_DONE:
 149                     ohciwrapp_loc_TransEnd(pipe, TD_CC_NOERROR);
 150                 break;
 151                 case USB_HOST_PIPE_NORES:
 152                 case USB_HOST_PIPE_STALL:
 153                 case USB_HOST_PIPE_ERROR:
 154                     ohciwrapp_loc_TransEnd(pipe, TD_CC_STALL);
 155                 break;
 156                 default:
 157                     /* Do Nothing */
 158                 break;
 159             }
 160 #endif
 161         }
 162     }
 163 }
 164
 165 /*******************************************************************************
 166 * Function Name: usb0_host_nrdy_int
 167 * Description  : Executes NRDY interrupt(USB_HOST_PIPE1-9).
 168 *              : Checks NRDY interrupt cause by PID. When the cause if STALL,
 169 *              : regards the pipe state as STALL and ends the processing.
 170 *              : Then the cause is not STALL, increments the error count to
 171 *              : communicate again. When the error count is 3, determines
 172 *              : the pipe state as USB_HOST_PIPE_NORES and ends the processing.
 173 *              : This function is executed in the NRDY interrupt handler.
 174 *              : This function clears NRDY interrupt status.
 175 * Arguments    : uint16_t status       ; NRDYSTS Register Value
 176 *              : uint16_t int_enb      ; NRDYENB Register Value
 177 * Return Value : none
 178 *******************************************************************************/
 179 void usb0_host_nrdy_int (uint16_t status, uint16_t int_enb)
 180 {
 181     uint16_t pid;
 182     uint16_t pipe;
 183     uint16_t bitcheck;
 184
 185     bitcheck = (uint16_t)(status & int_enb);
 186
 187     USB200.NRDYSTS = (uint16_t)~status;
 188
 189     for (pipe = USB_HOST_PIPE1; pipe <= USB_HOST_MAX_PIPE_NO; pipe++)
 190     {
 191         if ((bitcheck&g_usb0_host_bit_set[pipe]) == g_usb0_host_bit_set[pipe])
 192         {
 193             if (RZA_IO_RegRead_16(&USB200.SYSCFG0,
 194                                     USB_SYSCFG_DCFM_SHIFT,
 195                                     USB_SYSCFG_DCFM) == 1)
 196             {
 197                 if (g_usb0_host_pipe_status[pipe] == USB_HOST_PIPE_WAIT)
 198                 {
 199                     pid = usb0_host_get_pid(pipe);
 200
 201                     if ((pid == USB_HOST_PID_STALL) || (pid == USB_HOST_PID_STALL2))
 202                     {
 203                         g_usb0_host_pipe_status[pipe] = USB_HOST_PIPE_STALL;
 204 #if(1) /* ohci_wrapp */
 205                         ohciwrapp_loc_TransEnd(pipe, TD_CC_STALL);
 206 #endif
 207                     }
 208                     else
 209                     {
 210 #if(1) /* ohci_wrapp */
 211                         g_usb0_host_pipe_status[pipe] = USB_HOST_PIPE_NORES;
 212                         ohciwrapp_loc_TransEnd(pipe, TD_CC_DEVICENOTRESPONDING);
 213 #else
 214                         g_usb0_host_PipeIgnore[pipe]++;
 215
 216                         if (g_usb0_host_PipeIgnore[pipe] == 3)
 217                         {
 218                             g_usb0_host_pipe_status[pipe] = USB_HOST_PIPE_NORES;
 219                         }
 220                         else
 221                         {
 222                             usb0_host_set_pid_buf(pipe);
 223                         }
 224 #endif
 225                     }
 226                 }
 227             }
 228             else
 229             {
 230                 /* USB Function */
 231             }
 232         }
 233     }
 234 }
 235
 236 /*******************************************************************************
 237 * Function Name: usb0_host_bemp_int
 238 * Description  : Executes BEMP interrupt(USB_HOST_PIPE1-9).
 239 * Arguments    : uint16_t status       ; BEMPSTS Register Value
 240 *              : uint16_t int_enb      ; BEMPENB Register Value
 241 * Return Value : none
 242 *******************************************************************************/
 243 void usb0_host_bemp_int (uint16_t status, uint16_t int_enb)
 244 {
 245     uint16_t pid;
 246     uint16_t pipe;
 247     uint16_t bitcheck;
 248     uint16_t inbuf;
 249
 250     bitcheck = (uint16_t)(status & int_enb);
 251
 252     USB200.BEMPSTS = (uint16_t)~status;
 253
 254     for (pipe = USB_HOST_PIPE1; pipe <= USB_HOST_MAX_PIPE_NO; pipe++)
 255     {
 256         if ((bitcheck&g_usb0_host_bit_set[pipe]) == g_usb0_host_bit_set[pipe])
 257         {
 258             pid = usb0_host_get_pid(pipe);
 259
 260             if ((pid == USB_HOST_PID_STALL) || (pid == USB_HOST_PID_STALL2))
 261             {
 262                 g_usb0_host_pipe_status[pipe] = USB_HOST_PIPE_STALL;
 263 #if(1) /* ohci_wrapp */
 264                 ohciwrapp_loc_TransEnd(pipe, TD_CC_STALL);
 265 #endif
 266             }
 267             else
 268             {
 269                 inbuf = usb0_host_get_inbuf(pipe);
 270
 271                 if (inbuf == 0)
 272                 {
 273                     usb0_host_disable_bemp_int(pipe);
 274                     usb0_host_set_pid_nak(pipe);
 275                     g_usb0_host_pipe_status[pipe] = USB_HOST_PIPE_DONE;
 276 #if(1) /* ohci_wrapp */
 277                     ohciwrapp_loc_TransEnd(pipe, TD_CC_NOERROR);
 278 #endif
 279                 }
 280             }
 281         }
 282     }
 283 }
 284
 285 /* End of File */