From 04dd17822334871b23ea2862f7798fb0e0007777 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 08:53:19 +0000
Subject: [PATCH] change otg to host mode
---
kernel/include/linux/mmc/mmc.h | 22 +++++++++++++++++++++-
1 files changed, 21 insertions(+), 1 deletions(-)
diff --git a/kernel/include/linux/mmc/mmc.h b/kernel/include/linux/mmc/mmc.h
index 897a87c..9051aca 100644
--- a/kernel/include/linux/mmc/mmc.h
+++ b/kernel/include/linux/mmc/mmc.h
@@ -161,6 +161,16 @@
#define R1_STATE_PRG 7
#define R1_STATE_DIS 8
+static inline bool mmc_ready_for_data(u32 status)
+{
+ /*
+ * Some cards mishandle the status bits, so make sure to check both the
+ * busy indication and the card state.
+ */
+ return status & R1_READY_FOR_DATA &&
+ R1_CURRENT_STATE(status) == R1_STATE_TRAN;
+}
+
/*
* MMC/SD in SPI mode reports R1 status always, and R2 for SEND_STATUS
* R1 is the low order byte; R2 is the next highest byte, when present.
@@ -315,6 +325,7 @@
*/
#define EXT_CSD_WR_REL_PARAM_EN (1<<2)
+#define EXT_CSD_WR_REL_PARAM_EN_RPMB_REL_WR (1<<4)
#define EXT_CSD_BOOT_WP_B_PWR_WP_DIS (0x40)
#define EXT_CSD_BOOT_WP_B_PERM_WP_DIS (0x10)
@@ -434,8 +445,17 @@
#define MMC_SECURE_TRIM1_ARG 0x80000001
#define MMC_SECURE_TRIM2_ARG 0x80008000
#define MMC_SECURE_ARGS 0x80000000
-#define MMC_TRIM_ARGS 0x00008001
+#define MMC_TRIM_OR_DISCARD_ARGS 0x00008003
#define mmc_driver_type_mask(n) (1 << (n))
+struct mmc_card;
+
+extern int mmc_select_bus_width(struct mmc_card *card);
+extern int mmc_select_hs(struct mmc_card *card);
+extern int mmc_select_hs_ddr(struct mmc_card *card);
+extern int mmc_select_hs400(struct mmc_card *card);
+extern int mmc_hs200_tuning(struct mmc_card *card);
+extern int mmc_select_timing(struct mmc_card *card);
+
#endif /* LINUX_MMC_MMC_H */
--
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