64drive_ll.h

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#ifndef FLASHCART_64DRIVE_LL_H__
#define FLASHCART_64DRIVE_LL_H__
 
#include <stdbool.h>
#include <stdint.h>
 
typedef struct {
    uint8_t BUFFER[512]; 
    uint32_t STATUS; 
    uint32_t __unused_1; 
    uint32_t COMMAND; 
    uint32_t __unused_2; 
    uint32_t LBA; 
    uint32_t __unused_3; 
    uint32_t LENGTH; 
    uint32_t __unused_4; 
    uint32_t RESULT; 
    uint32_t __unused_5[49]; 
    uint32_t SDRAM_SIZE; 
    uint32_t MAGIC; 
    uint32_t VARIANT; 
    uint32_t PERSISTENT; 
    uint32_t BUTTON_UPGRADE; 
    uint32_t REVISION; 
    uint32_t __unused_6[64]; 
    uint32_t USB_COMMAND_STATUS; 
    uint32_t USB_PARAM_RESULT[2]; 
    uint32_t __unused_7[5]; 
    uint32_t WIFI_COMMAND_STATUS; 
    uint32_t WIFI_PARAM_RESULT[2]; 
    uint32_t __unused_8[757]; 
    uint8_t EEPROM[2048]; 
    uint32_t WRITEBACK[256]; 
} d64_regs_t;
 
#define D64_REGS_BASE       (0x18000000UL)
#define D64_REGS_BASE_EXT   (0x1F800000UL)
#define D64_REGS            ((d64_regs_t *) D64_REGS_BASE)
#define D64_REGS_EXT        ((d64_regs_t *) D64_REGS_BASE_EXT)
 
typedef enum {
    DEVICE_VARIANT_UNKNOWN  = 0x0000, 
    DEVICE_VARIANT_A        = 0x4100, 
    DEVICE_VARIANT_B        = 0x4200, 
} d64_device_variant_t;
 
typedef enum {
    TV_TYPE_PAL = 0, 
    TV_TYPE_NTSC = 1, 
    TV_TYPE_MPAL = 2, 
    TV_TYPE_UNKNOWN = 3, 
} d64_tv_type_t;
 
typedef enum {
    SAVE_TYPE_NONE, 
    SAVE_TYPE_EEPROM_4KBIT, 
    SAVE_TYPE_EEPROM_16KBIT, 
    SAVE_TYPE_SRAM_256KBIT, 
    SAVE_TYPE_FLASHRAM_1MBIT, 
    SAVE_TYPE_SRAM_BANKED, 
    SAVE_TYPE_FLASHRAM_PKST2, 
} d64_save_type_t;
 
bool d64_ll_get_version(d64_device_variant_t *device_variant, uint16_t *fpga_revision, uint32_t *bootloader_version);
 
bool d64_ll_set_persistent_variable_storage(bool quick_reboot, d64_tv_type_t force_tv_type, uint8_t cic_seed);
 
bool d64_ll_set_save_type(d64_save_type_t save_type);
 
bool d64_ll_enable_save_writeback(bool enabled);
 
bool d64_ll_enable_cartrom_writes(bool enabled);
 
bool d64_ll_enable_extended_mode(bool enabled);
 
bool d64_ll_write_eeprom_contents(void *contents);
 
bool d64_ll_write_save_writeback_lba_list(void *list);
 
 /* 64drive */
 
#endif /* FLASHCART_64DRIVE_LL_H__ */