sdmmc: add support for sandisk emmc device report

bdk/storage/mmc.h

@@ -2,6 +2,7 @@
  * Header for MultiMediaCard (MMC)
  *
  * Copyright 2002 Hewlett-Packard Company
+ * Copyright 2018-2021 CTCaer
  *
  * Use consistent with the GNU GPL is permitted,
  * provided that this copyright notice is
@@ -21,8 +22,8 @@
  *          15 May 2002
  */
 
-#ifndef LINUX_MMC_MMC_H
+#ifndef MMC_H
-#define LINUX_MMC_MMC_H
+#define MMC_H
 
 /* Standard MMC commands (4.1)           type  argument     response */
 /* class 1 */
@@ -108,18 +109,18 @@
  */
 
 /*
-MMC status in R1, for native mode (SPI bits are different)
+ * MMC status in R1, for native mode (SPI bits are different)
-Type
+ * Type
-e : error bit
+ * e : error bit
-s : status bit
+ * s : status bit
-r : detected and set for the actual command response
+ * r : detected and set for the actual command response
-x : detected and set during command execution. the host must poll
+ * x : detected and set during command execution. the host must poll
-the card by sending status command in order to read these bits.
+ *     the card by sending status command in order to read these bits.
-Clear condition
+ * Clear condition
-a : according to the card state
+ * a : according to the card state
-b : always related to the previous command. Reception of
+ * b : always related to the previous command. Reception of a valid
-a valid command will clear it (with a delay of one command)
+ *     command will clear it (with a delay of one command)
-c : clear by read
+ * c : clear by read
 */
 
 #define R1_OUT_OF_RANGE		(1 << 31)	/* er, c */
@@ -151,6 +152,7 @@ c : clear by read
 #define R1_AKE_SEQ_ERROR	(1 << 3)
 
 /* R1_CURRENT_STATE 12:9 */
+#define R1_STATE(x)     ((x) << 9)
 #define R1_STATE_IDLE	0
 #define R1_STATE_READY	1
 #define R1_STATE_IDENT	2
@@ -441,4 +443,9 @@ c : clear by read
 #define MMC_SECURE_ARGS			0x80000000
 #define MMC_TRIM_ARGS			0x00008001
 
-#endif /* LINUX_MMC_MMC_H */
+/*
+ * Vendor definitions and structs
+ */
+#define MMC_SANDISK_HEALTH_REPORT 0x96C9D71C
+
+#endif /* MMC_H */

bdk/storage/sdmmc.c

@@ -139,6 +139,60 @@ static int _sdmmc_storage_check_status(sdmmc_storage_t *storage)
 	return _sdmmc_storage_get_status(storage, &tmp, 0);
 }
 
+int sdmmc_storage_execute_vendor_cmd(sdmmc_storage_t *storage, u32 arg)
+{
+	sdmmc_cmd_t cmdbuf;
+	sdmmc_init_cmd(&cmdbuf, MMC_VENDOR_62_CMD, arg, SDMMC_RSP_TYPE_1, 1);
+	if (!sdmmc_execute_cmd(storage->sdmmc, &cmdbuf, 0, 0))
+		return 0;
+
+	u32 resp;
+	sdmmc_get_rsp(storage->sdmmc, &resp, 4, SDMMC_RSP_TYPE_1);
+
+	resp = -1;
+	u32 timeout = get_tmr_ms() + 1500;
+	while (resp != (R1_READY_FOR_DATA | R1_STATE(R1_STATE_TRAN)))
+	{
+		_sdmmc_storage_get_status(storage, &resp, 0);
+
+		if (get_tmr_ms() > timeout)
+			break;
+	}
+
+	return _sdmmc_storage_check_card_status(resp);
+}
+
+int sdmmc_storage_vendor_sandisk_report(sdmmc_storage_t *storage, void *buf)
+{
+	// Request health report.
+	if (!sdmmc_storage_execute_vendor_cmd(storage, MMC_SANDISK_HEALTH_REPORT))
+		return 2;
+
+	u32 tmp = 0;
+	sdmmc_cmd_t cmdbuf;
+	sdmmc_req_t reqbuf;
+
+	sdmmc_init_cmd(&cmdbuf, MMC_VENDOR_63_CMD, 0, SDMMC_RSP_TYPE_1, 0); // similar to CMD17 with arg 0x0.
+
+	reqbuf.buf = buf;
+	reqbuf.num_sectors = 1;
+	reqbuf.blksize = 512;
+	reqbuf.is_write = 0;
+	reqbuf.is_multi_block = 0;
+	reqbuf.is_auto_stop_trn = 0;
+
+	u32 blkcnt_out;
+	if (!sdmmc_execute_cmd(storage->sdmmc, &cmdbuf, &reqbuf, &blkcnt_out))
+	{
+		sdmmc_stop_transmission(storage->sdmmc, &tmp);
+		_sdmmc_storage_get_status(storage, &tmp, 0);
+
+		return 0;
+	}
+
+	return 1;
+}
+
 static int _sdmmc_storage_readwrite_ex(sdmmc_storage_t *storage, u32 *blkcnt_out, u32 sector, u32 num_sectors, void *buf, u32 is_write)
 {
 	u32 tmp = 0;
@@ -1360,8 +1414,6 @@ DPRINTF("[SD] SD does not support wide bus width\n");
 		if (!_sd_storage_enable_uhs_low_volt(storage, type, buf))
 			return 0;
 DPRINTF("[SD] enabled UHS\n");
-
-		sdmmc_card_clock_powersave(sdmmc, SDMMC_POWER_SAVE_ENABLE);
 	}
 	else if (type != SDHCI_TIMING_SD_DS12 && storage->scr.sda_vsn) // Not default speed and not SD Version 1.0.
 	{
@@ -1387,6 +1439,8 @@ DPRINTF("[SD] enabled HS\n");
 DPRINTF("[SD] got sd status\n");
 	}
 
+	sdmmc_card_clock_powersave(sdmmc, SDMMC_POWER_SAVE_ENABLE);
+
 	storage->initialized = 1;
 
 	return 1;

bdk/storage/sdmmc.h

@@ -34,6 +34,81 @@ typedef enum _sdmmc_type
 	EMMC_RPMB  = 3
 } sdmmc_type;
 
+typedef struct _mmc_sandisk_advanced_report_t
+{
+	u32 power_inits;
+
+	u32 max_erase_cycles_sys;
+	u32 max_erase_cycles_slc;
+	u32 max_erase_cycles_mlc;
+
+	u32 min_erase_cycles_sys;
+	u32 min_erase_cycles_slc;
+	u32 min_erase_cycles_mlc;
+
+	u32 max_erase_cycles_euda;
+	u32 min_erase_cycles_euda;
+	u32 avg_erase_cycles_euda;
+	u32 read_reclaim_cnt_euda;
+	u32 bad_blocks_euda;
+
+	u32 pre_eol_euda;
+	u32 pre_eol_sys;
+	u32 pre_eol_mlc;
+
+	u32 uncorrectable_ecc;
+
+	u32 temperature_now;
+	u32 temperature_min;
+	u32 temperature_max;
+
+	u32 health_pct_euda;
+	u32 health_pct_sys;
+	u32 health_pct_mlc;
+
+	u32 unk0;
+	u32 unk1;
+	u32 unk2;
+
+	u32 reserved[78];
+} mmc_sandisk_advanced_report_t;
+
+typedef struct _mmc_sandisk_report_t
+{
+	u32 avg_erase_cycles_sys;
+	u32 avg_erase_cycles_slc;
+	u32 avg_erase_cycles_mlc;
+
+	u32 read_reclaim_cnt_sys;
+	u32 read_reclaim_cnt_slc;
+	u32 read_reclaim_cnt_mlc;
+
+	u32 bad_blocks_factory;
+	u32 bad_blocks_sys;
+	u32 bad_blocks_slc;
+	u32 bad_blocks_mlc;
+
+	u32 fw_updates_cnt;
+
+	u8  fw_update_date[12];
+	u8  fw_update_time[8];
+
+	u32 total_writes_100mb;
+	u32 vdrops;
+	u32 vdroops;
+
+	u32 vdrops_failed_data_rec;
+	u32 vdrops_data_rec_ops;
+
+	u32 total_writes_slc_100mb;
+	u32 total_writes_mlc_100mb;
+
+	u32 mlc_bigfile_mode_limit_exceeded;
+	u32 avg_erase_cycles_hybrid;
+
+	mmc_sandisk_advanced_report_t advanced;
+} mmc_sandisk_report_t;
+
 typedef struct _mmc_cid
 {
 	u32 manfid;
@@ -131,6 +206,9 @@ 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);
 
+int  sdmmc_storage_execute_vendor_cmd(sdmmc_storage_t *storage, u32 arg);
+int  sdmmc_storage_vendor_sandisk_report(sdmmc_storage_t *storage, void *buf);
+
 int  sd_storage_get_ssr(sdmmc_storage_t *storage, u8 *buf);
 u32  sd_storage_get_ssr_au(sdmmc_storage_t *storage);