dramc_param.h

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#ifndef SOC_MEDIATEK_MT8183_DRAMC_PARAM_H
#define SOC_MEDIATEK_MT8183_DRAMC_PARAM_H
 
#include <soc/dramc_common_mt8183.h>
#include <soc/emi.h>
#include <stdint.h>
#include <sys/types.h>
 
enum {
        DRAMC_PARAM_HEADER_MAGIC = 0x44524d4b,
        DRAMC_PARAM_HEADER_VERSION = 5,
};
 
enum DRAMC_PARAM_STATUS_CODES {
        DRAMC_SUCCESS = 0,
        DRAMC_ERR_INVALID_MAGIC,
        DRAMC_ERR_INVALID_VERSION,
        DRAMC_ERR_INVALID_SIZE,
        DRAMC_ERR_INVALID_CHECKSUM,
        DRAMC_ERR_INVALID_FLAGS,
        DRAMC_ERR_RECALIBRATE,
        DRAMC_ERR_INIT_DRAM,
        DRAMC_ERR_COMPLEX_RW_MEM_TEST,
        DRAMC_ERR_1ST_COMPLEX_RW_MEM_TEST,
        DRAMC_ERR_2ND_COMPLEX_RW_MEM_TEST,
};
 
/* Bit flags */
enum DRAMC_PARAM_CONFIG {
        DRAMC_CONFIG_EMCP = 0x0001,
        DRAMC_CONFIG_DVFS = 0x0002,
};
 
enum DRAMC_PARAM_FLAGS {
        DRAMC_FLAG_HAS_SAVED_DATA = 0x0001,
};
 
enum DRAMC_PARAM_GEOMETRY_TYPE {
        DDR_TYPE_2CH_1RK_4GB_4,
        DDR_TYPE_2CH_2RK_4GB_2_2,
        DDR_TYPE_2CH_2RK_6GB_3_3,
        DDR_TYPE_2CH_2RK_8GB_4_4,
        DDR_TYPE_2CH_RK0_RK1_BYTE_8GB_4_4,
        DDR_TYPE_2CH_RK0_NORMAL_RK1_BYTE_8GB_4_4,
        DDR_TYPE_2CH_RK0_BYTE_RK1_NORMAL_8GB_4_4,
};
 
struct dramc_param_header {
        u32 status;     /* DRAMC_PARAM_STATUS_CODES */
        u32 magic;
        u32 version;    /* DRAMC_PARAM_HEADER_VERSION */
        u32 size;       /* size of whole dramc_param */
        u16 config;     /* DRAMC_PARAM_CONFIG */
        u16 flags;      /* DRAMC_PARAM_FLAGS */
        u32 checksum;
};
 
struct dramc_param {
        struct dramc_param_header header;
        void (*do_putc)(unsigned char c);
        struct sdram_params freq_params[DRAM_DFS_SHUFFLE_MAX];
};
 
struct dramc_param_ops {
        struct dramc_param *param;
        bool (*read_from_flash)(struct dramc_param *dparam);
        bool (*write_to_flash)(const struct dramc_param *dparam);
};
 
struct dramc_param *get_dramc_param_from_blob(void *blob);
int validate_dramc_param(const void *blob);
int is_valid_dramc_param(const void *blob);
int initialize_dramc_param(void *blob, u16 config);
 
#endif  /* SOC_MEDIATEK_MT8183_DRAMC_PARAM_H */