release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-bcmring/csp/chipc/chipcHw_str.c

   1 /*****************************************************************************
   2 * Copyright 2008 Broadcom Corporation.  All rights reserved.
   3 *
   4 * Unless you and Broadcom execute a separate written software license
   5 * agreement governing use of this software, this software is licensed to you
   6 * under the terms of the GNU General Public License version 2, available at
   7 * http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
   8 *
   9 * Notwithstanding the above, under no circumstances may you combine this
  10 * software in any way with any other Broadcom software provided under a
  11 * license other than the GPL, without Broadcom's express prior written
  12 * consent.
  13 *****************************************************************************/
  14 /****************************************************************************/
  15 /**
  16 *  @file    chipcHw_str.c
  17 *
  18 *  @brief   Contains strings which are useful to linux and csp
  19 *
  20 *  @note
  21 */
  22 /****************************************************************************/
  23
  24 /* ---- Include Files ---------------------------------------------------- */
  25
  26 #include <mach/csp/chipcHw_inline.h>
  27
  28 /* ---- Private Constants and Types --------------------------------------- */
  29
  30 static const char *gMuxStr[] = {
  31         "GPIO",                 /* 0 */
  32         "KeyPad",               /* 1 */
  33         "I2C-Host",             /* 2 */
  34         "SPI",                  /* 3 */
  35         "Uart",                 /* 4 */
  36         "LED-Mtx-P",            /* 5 */
  37         "LED-Mtx-S",            /* 6 */
  38         "SDIO-0",               /* 7 */
  39         "SDIO-1",               /* 8 */
  40         "PCM",                  /* 9 */
  41         "I2S",                  /* 10 */
  42         "ETM",                  /* 11 */
  43         "Debug",                /* 12 */
  44         "Misc",                 /* 13 */
  45         "0xE",                  /* 14 */
  46         "0xF",                  /* 15 */
  47 };
  48
  49 /****************************************************************************/
  50 /**
  51 *  @brief   Retrieves a string representation of the mux setting for a pin.
  52 *
  53 *  @return  Pointer to a character string.
  54 */
  55 /****************************************************************************/
  56
  57 const char *chipcHw_getGpioPinFunctionStr(int pin)
  58 {
  59         if ((pin < 0) || (pin >= chipcHw_GPIO_COUNT)) {
  60                 return "";
  61         }
  62
  63         return gMuxStr[chipcHw_getGpioPinFunction(pin)];
  64 }