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https://github.com/Atmosphere-NX/Atmosphere.git
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3a2bceef8d
subrepo: subdir: "emummc" merged: "5f51fa3b" upstream: origin: "https://github.com/m4xw/emuMMC" branch: "develop" commit: "5f51fa3b" git-subrepo: version: "0.4.0" origin: "https://github.com/ingydotnet/git-subrepo" commit: "5d6aba9"
120 lines
3 KiB
C
120 lines
3 KiB
C
/*
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* Copyright (c) 2018 naehrwert
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* Copyright (C) 2018 CTCaer
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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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, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _SDMMC_H_
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#define _SDMMC_H_
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#include "../utils/types.h"
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#include "../FS/FS.h"
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#include "sdmmc_driver.h"
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typedef struct _mmc_cid
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{
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u32 manfid;
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u8 prod_name[8];
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u8 card_bga;
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u8 prv;
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u32 serial;
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u16 oemid;
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u16 year;
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u8 hwrev;
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u8 fwrev;
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u8 month;
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} mmc_cid_t;
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typedef struct _mmc_csd
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{
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u8 structure;
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u8 mmca_vsn;
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u16 cmdclass;
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u32 c_size;
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u32 r2w_factor;
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u32 max_dtr;
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u32 erase_size; /* In sectors */
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u32 read_blkbits;
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u32 write_blkbits;
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u32 capacity;
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u8 write_protect;
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u16 busspeed;
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} mmc_csd_t;
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typedef struct _mmc_ext_csd
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{
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u8 rev;
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u32 sectors;
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int bkops; /* background support bit */
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int bkops_en; /* manual bkops enable bit */
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u8 ext_struct; /* 194 */
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u8 card_type; /* 196 */
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u8 bkops_status; /* 246 */
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u16 dev_version;
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u8 boot_mult;
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u8 rpmb_mult;
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} mmc_ext_csd_t;
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typedef struct _sd_scr
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{
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u8 sda_vsn;
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u8 sda_spec3;
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u8 bus_widths;
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u8 cmds;
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} sd_scr_t;
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typedef struct _sd_ssr
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{
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u8 bus_width;
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u8 speed_class;
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u8 uhs_grade;
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u8 video_class;
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u8 app_class;
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} sd_ssr_t;
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/*! SDMMC storage context. */
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typedef struct _sdmmc_storage_t
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{
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sdmmc_t *sdmmc;
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u32 rca;
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int has_sector_access;
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u32 sec_cnt;
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int is_low_voltage;
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u32 partition;
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u8 raw_cid[0x10];
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u8 raw_csd[0x10];
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u8 raw_scr[8];
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u8 raw_ssr[0x40];
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mmc_cid_t cid;
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mmc_csd_t csd;
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mmc_ext_csd_t ext_csd;
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sd_scr_t scr;
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sd_ssr_t ssr;
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} sdmmc_storage_t;
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extern sdmmc_accessor_t *_current_accessor;
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extern bool sdmmc_memcpy_buf;
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int sdmmc_storage_end(sdmmc_storage_t *storage);
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int sdmmc_storage_read(sdmmc_storage_t *storage, u32 sector, u32 num_sectors, void *buf);
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int sdmmc_storage_write(sdmmc_storage_t *storage, u32 sector, u32 num_sectors, void *buf);
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int sdmmc_storage_init_mmc(sdmmc_storage_t *storage, sdmmc_t *sdmmc, u32 id, u32 bus_width, u32 type);
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int sdmmc_storage_set_mmc_partition(sdmmc_storage_t *storage, u32 partition);
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int sdmmc_storage_init_sd(sdmmc_storage_t *storage, sdmmc_t *sdmmc, u32 id, u32 bus_width, u32 type);
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int sdmmc_storage_init_gc(sdmmc_storage_t *storage, sdmmc_t *sdmmc);
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intptr_t sdmmc_calculate_dma_addr(sdmmc_accessor_t *_this, void *buf, unsigned int num_sectors);
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int sdmmc_calculate_dma_index(sdmmc_accessor_t *_this, void *buf, unsigned int num_sectors);
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int sdmmc_calculate_fitting_dma_index(sdmmc_accessor_t *_this, unsigned int num_sectors);
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#endif
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