drivers/staging/mt7621-mmc/board.h

   1 /* Copyright Statement:
   2  *
   3  * This software/firmware and related documentation ("MediaTek Software") are
   4  * protected under relevant copyright laws. The information contained herein
   5  * is confidential and proprietary to MediaTek Inc. and/or its licensors.
   6  * Without the prior written permission of MediaTek inc. and/or its licensors,
   7  * any reproduction, modification, use or disclosure of MediaTek Software,
   8  * and information contained herein, in whole or in part, shall be strictly prohibited.
   9  */
  10 /* MediaTek Inc. (C) 2010. All rights reserved.
  11  *
  12  * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
  13  * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
  14  * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON
  15  * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
  18  * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
  19  * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
  20  * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH
  21  * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES
  22  * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES
  23  * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK
  24  * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
  25  * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND
  26  * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
  27  * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
  28  * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO
  29  * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
  30  *
  31  * The following software/firmware and/or related documentation ("MediaTek Software")
  32  * have been modified by MediaTek Inc. All revisions are subject to any receiver's
  33  * applicable license agreements with MediaTek Inc.
  34  */
  35
  36 #ifndef __ARCH_ARM_MACH_BOARD_H
  37 #define __ARCH_ARM_MACH_BOARD_H
  38
  39 #define MSDC_CD_PIN_EN      BIT(0)  /* card detection pin is wired   */
  40 #define MSDC_WP_PIN_EN      BIT(1)  /* write protection pin is wired */
  41 #define MSDC_RST_PIN_EN     BIT(2)  /* emmc reset pin is wired       */
  42 #define MSDC_REMOVABLE      BIT(5)  /* removable slot                */
  43
  44 #define MSDC_SMPL_RISING    (0)
  45 #define MSDC_SMPL_FALLING   (1)
  46
  47 #define MSDC_CMD_PIN        (0)
  48 #define MSDC_DAT_PIN        (1)
  49 #define MSDC_CD_PIN         (2)
  50 #define MSDC_WP_PIN         (3)
  51 #define MSDC_RST_PIN        (4)
  52
  53 struct msdc_hw {
  54         unsigned char  clk_src;          /* host clock source */
  55         unsigned long  flags;            /* hardware capability flags */
  56
  57         /* config gpio pull mode */
  58         void (*config_gpio_pin)(int type, int pull);
  59 };
  60
  61 extern struct msdc_hw msdc0_hw;
  62
  63 #endif /* __ARCH_ARM_MACH_BOARD_H */