82f70b8efd
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30196 a1c6a512-1295-4272-9138-f99709370657
113 lines
3 KiB
C
113 lines
3 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2011 by Amaury Pouly
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "system.h"
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#include "sd.h"
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#include "sdmmc.h"
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#include "ssp-imx233.h"
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#include "pinctrl-imx233.h"
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#include "button-target.h"
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/**
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* This code assumes a single SD card slot
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*/
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#ifdef SANSA_FUZEPLUS
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#define SD_SSP 1
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#else
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#error You need to configure the ssp to use
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#endif
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static tCardInfo card_info;
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static struct mutex sd_mutex;
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static void sd_detect_callback(int ssp)
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{
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(void)ssp;
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/* This is called only if the state was stable for 300ms - check state
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* and post appropriate event. */
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if(imx233_ssp_sdmmc_detect(SD_SSP))
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queue_broadcast(SYS_HOTSWAP_INSERTED, 0);
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else
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queue_broadcast(SYS_HOTSWAP_EXTRACTED, 0);
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printf("sd_detect_callback(%d)", imx233_ssp_sdmmc_detect(SD_SSP));
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imx233_ssp_sdmmc_setup_detect(SD_SSP, true, sd_detect_callback);
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}
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int sd_init(void)
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{
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mutex_init(&sd_mutex);
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imx233_ssp_start(SD_SSP);
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imx233_ssp_softreset(SD_SSP);
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imx233_ssp_set_mode(SD_SSP, HW_SSP_CTRL1__SSP_MODE__SD_MMC);
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#ifdef SANSA_FUZEPLUS
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imx233_ssp_setup_ssp1_sd_mmc_pins(true, 4, PINCTRL_DRIVE_8mA, false);
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#endif
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imx233_ssp_sdmmc_setup_detect(SD_SSP, true, sd_detect_callback);
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/* SSPCLK @ 96MHz
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* gives bitrate of 96000 / 240 / 1 = 400kHz */
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imx233_ssp_set_timings(SD_SSP, 240, 0, 0xffff);
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imx233_ssp_set_bus_width(SD_SSP, 1);
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imx233_ssp_set_block_size(SD_SSP, 9);
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return 0;
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}
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int sd_read_sectors(IF_MD2(int drive,) unsigned long start, int count,
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void* buf)
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{
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IF_MD((void) drive);
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(void) start;
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(void) count;
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(void) buf;
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return -1;
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}
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int sd_write_sectors(IF_MD2(int drive,) unsigned long start, int count,
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const void* buf)
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{
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IF_MD((void) drive);
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(void) start;
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(void) count;
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(void) buf;
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return -1;
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}
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tCardInfo *card_get_info_target(int card_no)
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{
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(void)card_no;
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return NULL;
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}
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int sd_num_drives(int first_drive)
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{
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(void) first_drive;
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return 1;
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}
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bool sd_present(IF_MD(int drive))
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{
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IF_MD((void) drive);
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return imx233_ssp_sdmmc_detect(SD_SSP);
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}
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