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99 lines
2.4 KiB
C
99 lines
2.4 KiB
C
/*
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mini - a Free Software replacement for the Nintendo/BroadOn IOS.
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sd host controller driver
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Copyright (C) 2008, 2009 Sven Peter <svenpeter@gmail.com>
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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, version 2.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* parts based on:
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* * "SD Host Controller driver based on the SD Host Controller Standard" copyright (c) 2006 Uwe Stuehler <uwe@openbsd.org>
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* * Simplified SD Host Controller Standard
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*/
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#ifndef __SDHC_H__
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#define __SDHC_H__
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#include "types.h"
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#include "ipc.h"
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#define SDHC_ENOCARD -0x1001
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#define SDHC_ESTRANGE -0x1002
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#define SDHC_EOVERFLOW -0x1003
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#define SDHC_ETIMEDOUT -0x1004
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#define SDHC_EINVAL -0x1005
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#define SDHC_EIO -0x1006
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/*struct {
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unsigned int manfid;
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char prod_name[8];
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unsigned int serial;
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unsigned short oemid;
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unsigned short year;
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unsigned char hwrev;
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unsigned char fwrev;
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unsigned char month;
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} __attribute((packed) cid_str;
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*/
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typedef struct {
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unsigned char dummy;
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unsigned char mid;
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char oid[2];
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char pnm[5];
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unsigned char prv;
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unsigned int psn;
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unsigned short mdt;
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} __attribute__((packed)) cid_str;
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typedef struct
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{
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u32 reg_base;
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u8 is_sdhc;
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u8 is_selected;
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u8 is_mounted;
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u16 rca;
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u32 ocr;
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cid_str cid;
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u32 timeout;
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u32 num_sectors;
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} sdhci_t;
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int sd_init(sdhci_t *sdhci, int slot);
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int sd_reset(sdhci_t *sdhci);
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int sd_inserted(sdhci_t *sdhci);
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int sd_protected(sdhci_t *sdhci);
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int sd_mount(sdhci_t *sdhci);
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int sd_cmd(sdhci_t *sdhci, u32 cmd, u32 rsp_type, u32 arg, u32 blk_cnt, void *buffer, u32 *response, u8 rlen);
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int sd_select(sdhci_t *sdhci);
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int sd_read(sdhci_t *sdhci, u32 start_block, u32 blk_cnt, void *buffer);
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int sd_write(sdhci_t *sdhci, u32 start_block, u32 blk_cnt, const void *buffer);
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void sd_irq(void);
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void sd_initialize();
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void sd_ipc(volatile ipc_request *req);
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u8 __sd_read8(u32 addr);
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u16 __sd_read16(u32 addr);
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u32 __sd_read32(u32 addr);
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#endif
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