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hekate/bootloader/storage/sdmmc.h
Dave Murphy cc54df87d7 fixes for compiling with gcc 10
gcc 10 no longer lets you get away with not externing global variables in header files. This adds the necessary extern and adds defines in appropriate c files
2020-05-08 23:32:44 +01:00

126 lines
2.8 KiB
C

/*
* Copyright (c) 2018 naehrwert
* Copyright (c) 2018 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 "sdmmc_driver.h"
extern u32 sd_power_cycle_time_start;
typedef enum _sdmmc_type
{
MMC_SD = 0,
MMC_EMMC = 1,
EMMC_GPP = 0,
EMMC_BOOT0 = 1,
EMMC_BOOT1 = 2
} sdmmc_type;
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
{
u8 rev;
u32 sectors;
int bkops; /* background support bit */
int bkops_en; /* manual bkops enable bit */
u8 ext_struct; /* 194 */
u8 card_type; /* 196 */
u8 bkops_status; /* 246 */
u16 dev_version;
u8 boot_mult;
u8 rpmb_mult;
} 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;
} 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];
u8 raw_ssr[0x40];
mmc_cid_t cid;
mmc_csd_t csd;
mmc_ext_csd_t ext_csd;
sd_scr_t scr;
sd_ssr_t ssr;
} sdmmc_storage_t;
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);
void sdmmc_storage_init_wait_sd();
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);
#endif