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CVS Update@linux-mips.org: linux

To: linux-cvs-patches@linux-mips.org
Subject: CVS Update@linux-mips.org: linux
From: ppopov@linux-mips.org
Date: Wed, 02 Feb 2005 04:27:12 +0000
Reply-to: linux-mips@linux-mips.org
Sender: linux-cvs-patches-bounce@linux-mips.org
CVSROOT:        /home/cvs
Module name:    linux
Changes by:     ppopov@ftp.linux-mips.org       05/02/02 04:27:06

Added files:
        arch/mips/au1000/hydrogen3: Tag: linux_2_4 mmc_support.c 

Log message:
        hydrogen3 mmc support functions

diff -urN linux/arch/mips/au1000/hydrogen3/mmc_support.c 
linux/arch/mips/au1000/hydrogen3/mmc_support.c
--- linux/arch/mips/au1000/hydrogen3/Attic/mmc_support.c        1970/01/01 
00:00:00
+++ linux/arch/mips/au1000/hydrogen3/Attic/mmc_support.c        Wed Feb  2 
04:27:06 2005        1.1.2.1
@@ -0,0 +1,89 @@
+/*
+ * BRIEF MODULE DESCRIPTION
+ *
+ *     MMC support routines for Hydrogen3.
+ *
+ *
+ * Copyright (c) 2003-2004 Embedded Edge, LLC.
+ * Author: Embedded Edge, LLC.
+ * Contact: dan@embeddededge.com
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+
+#include <asm/irq.h>
+#include <asm/au1000.h>
+#include <asm/au1100_mmc.h>
+
+#define GPIO_17_WP 0x20000
+
+/* SD/MMC controller support functions */
+
+/*
+ * Detect card.
+ */
+void mmc_card_inserted(int _n_, int *_res_)
+{
+       u32 gpios = au_readl(SYS_PINSTATERD);
+       u32 emptybit = (1<<16);
+       *_res_ = ((gpios & emptybit) == 0);
+}
+
+/*
+ * Check card write protection.
+ */
+void mmc_card_writable(int _n_, int *_res_)
+{
+       unsigned long mmc_wp, board_specific; 
+               board_specific = au_readl(SYS_OUTPUTSET);
+               mmc_wp=GPIO_17_WP;
+               if (!(board_specific & mmc_wp)) {/* low means card writable */ 
+                       *_res_ = 1; 
+               } else {
+                       *_res_ = 0; 
+               } 
+}
+/*
+ * Apply power to card slot.
+ */
+void mmc_power_on(int _n_)
+{
+}
+
+/*
+ * Remove power from card slot.
+ */
+void mmc_power_off(int _n_)
+{
+}
+
+EXPORT_SYMBOL(mmc_card_inserted);
+EXPORT_SYMBOL(mmc_card_writable);
+EXPORT_SYMBOL(mmc_power_on);
+EXPORT_SYMBOL(mmc_power_off);
+

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