1
0
Fork 0
mirror of https://github.com/Atmosphere-NX/Atmosphere.git synced 2024-12-05 01:52:19 +00:00
Atmosphere/emummc/source/emmc/sdmmc.h

124 lines
3 KiB
C
Raw Normal View History

/*
* Copyright (c) 2018 naehrwert
* Copyright (c) 2018-2020 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SDMMC_H_
#define _SDMMC_H_
#include "../utils/types.h"
#include "../FS/FS.h"
#include "sdmmc_driver.h"
typedef struct _mmc_cid
{
u32 manfid;
u8 prod_name[8];
u8 card_bga;
u8 prv;
u32 serial;
u16 oemid;
u16 year;
u8 hwrev;
u8 fwrev;
u8 month;
} mmc_cid_t;
typedef struct _mmc_csd
{
u8 structure;
u8 mmca_vsn;
u16 cmdclass;
u32 c_size;
u32 r2w_factor;
u32 max_dtr;
u32 erase_size; /* In sectors */
u32 read_blkbits;
u32 write_blkbits;
u32 capacity;
u8 write_protect;
u16 busspeed;
} mmc_csd_t;
typedef struct _mmc_ext_csd
{
u32 sectors;
int bkops; /* background support bit */
int bkops_en; /* manual bkops enable bit */
u8 rev;
u8 ext_struct; /* 194 */
u8 card_type; /* 196 */
u8 bkops_status; /* 246 */
u8 pre_eol_info;
u8 dev_life_est_a;
u8 dev_life_est_b;
u8 boot_mult;
u8 rpmb_mult;
u16 dev_version;
} mmc_ext_csd_t;
typedef struct _sd_scr
{
u8 sda_vsn;
u8 sda_spec3;
u8 bus_widths;
u8 cmds;
} sd_scr_t;
typedef struct _sd_ssr
{
u8 bus_width;
u8 speed_class;
u8 uhs_grade;
u8 video_class;
u8 app_class;
u32 protected_size;
} sd_ssr_t;
/*! SDMMC storage context. */
typedef struct _sdmmc_storage_t
{
sdmmc_t *sdmmc;
u32 rca;
int has_sector_access;
u32 sec_cnt;
int is_low_voltage;
u32 partition;
u8 raw_cid[0x10];
u8 raw_csd[0x10];
u8 raw_scr[8];
mmc_cid_t cid;
mmc_csd_t csd;
mmc_ext_csd_t ext_csd;
sd_scr_t scr;
int initialized;
} sdmmc_storage_t;
extern sdmmc_accessor_t *_current_accessor;
extern bool sdmmc_memcpy_buf;
int sdmmc_storage_end(sdmmc_storage_t *storage);
int sdmmc_storage_read(sdmmc_storage_t *storage, u32 sector, u32 num_sectors, void *buf);
int sdmmc_storage_write(sdmmc_storage_t *storage, u32 sector, u32 num_sectors, void *buf);
int sdmmc_storage_init_mmc(sdmmc_storage_t *storage, sdmmc_t *sdmmc, u32 bus_width, u32 type);
int sdmmc_storage_set_mmc_partition(sdmmc_storage_t *storage, u32 partition);
int sdmmc_storage_init_sd(sdmmc_storage_t *storage, sdmmc_t *sdmmc, u32 bus_width, u32 type);
int sdmmc_storage_init_gc(sdmmc_storage_t *storage, sdmmc_t *sdmmc);
intptr_t sdmmc_calculate_dma_addr(sdmmc_accessor_t *_this, void *buf, unsigned int num_sectors);
int sdmmc_calculate_dma_index(sdmmc_accessor_t *_this, void *buf, unsigned int num_sectors);
int sdmmc_calculate_fitting_dma_index(sdmmc_accessor_t *_this, unsigned int num_sectors);
#endif