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Viewing changes to drivers/mmc/host/sdhci-of-hlwd.c

  • Committer: Bazaar Package Importer
  • Author(s): Mathieu Poirier
  • Date: 2011-02-18 09:43:31 UTC
  • Revision ID: james.westby@ubuntu.com-20110218094331-eyubsja4f9k0yhmq
Tags: 2.6.35-1.1
Initial release.

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drivers/mmc/host/sdhci-of-hlwd.c
 
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/*
 
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 * drivers/mmc/host/sdhci-of-hlwd.c
 
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 *
 
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 * Nintendo Wii Secure Digital Host Controller Interface.
 
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 * Copyright (C) 2009 The GameCube Linux Team
 
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 * Copyright (C) 2009 Albert Herranz
 
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 *
 
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 * Based on sdhci-of-esdhc.c
 
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 *
 
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 * Copyright (c) 2007 Freescale Semiconductor, Inc.
 
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 * Copyright (c) 2009 MontaVista Software, Inc.
 
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 *
 
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 * Authors: Xiaobo Xie <X.Xie@freescale.com>
 
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 *          Anton Vorontsov <avorontsov@ru.mvista.com>
 
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 *
 
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 * This program is free software; you can redistribute it and/or modify
 
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 * it under the terms of the GNU General Public License as published by
 
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 * the Free Software Foundation; either version 2 of the License, or (at
 
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 * your option) any later version.
 
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 */
 
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#include <linux/delay.h>
 
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#include <linux/mmc/host.h>
 
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#include "sdhci-of.h"
 
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#include "sdhci.h"
 
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/*
 
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 * Ops and quirks for the Nintendo Wii SDHCI controllers.
 
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 */
 
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/*
 
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 * We need a small delay after each write, or things go horribly wrong.
 
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 */
 
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#define SDHCI_HLWD_WRITE_DELAY  5 /* usecs */
 
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static void sdhci_hlwd_writel(struct sdhci_host *host, u32 val, int reg)
 
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{
 
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        sdhci_be32bs_writel(host, val, reg);
 
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        udelay(SDHCI_HLWD_WRITE_DELAY);
 
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}
 
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static void sdhci_hlwd_writew(struct sdhci_host *host, u16 val, int reg)
 
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{
 
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        sdhci_be32bs_writew(host, val, reg);
 
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        udelay(SDHCI_HLWD_WRITE_DELAY);
 
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}
 
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static void sdhci_hlwd_writeb(struct sdhci_host *host, u8 val, int reg)
 
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{
 
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        sdhci_be32bs_writeb(host, val, reg);
 
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        udelay(SDHCI_HLWD_WRITE_DELAY);
 
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}
 
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struct sdhci_of_data sdhci_hlwd = {
 
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        .quirks = SDHCI_QUIRK_32BIT_DMA_ADDR |
 
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                  SDHCI_QUIRK_32BIT_DMA_SIZE,
 
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        .ops = {
 
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                .read_l = sdhci_be32bs_readl,
 
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                .read_w = sdhci_be32bs_readw,
 
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                .read_b = sdhci_be32bs_readb,
 
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                .write_l = sdhci_hlwd_writel,
 
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                .write_w = sdhci_hlwd_writew,
 
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                .write_b = sdhci_hlwd_writeb,
 
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        },
 
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};