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/host.h | 93 ++++++++++++++++++++++++++++------------------
1 files changed, 56 insertions(+), 37 deletions(-)
diff --git a/kernel/include/linux/mmc/host.h b/kernel/include/linux/mmc/host.h
index c183aa4..45cbfce 100644
--- a/kernel/include/linux/mmc/host.h
+++ b/kernel/include/linux/mmc/host.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* linux/include/linux/mmc/host.h
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*
* Host driver specific definitions.
*/
@@ -18,6 +15,10 @@
#include <linux/mmc/card.h>
#include <linux/mmc/pm.h>
#include <linux/dma-direction.h>
+#include <linux/keyslot-manager.h>
+#include <linux/android_kabi.h>
+
+#include <linux/android_vendor.h>
struct mmc_ios {
unsigned int clock; /* clock rate */
@@ -134,6 +135,7 @@
int (*get_cd)(struct mmc_host *host);
void (*enable_sdio_irq)(struct mmc_host *host, int enable);
+ /* Mandatory callback when using MMC_CAP2_SDIO_IRQ_NOTHREAD. */
void (*ack_sdio_irq)(struct mmc_host *host);
/* optional callback for HC quirks */
@@ -143,13 +145,15 @@
/* Check if the card is pulling dat[0:3] low */
int (*card_busy)(struct mmc_host *host);
- int (*set_sdio_status)(struct mmc_host *host, int val);
/* The tuning command opcode value is different for SD and eMMC cards */
int (*execute_tuning)(struct mmc_host *host, u32 opcode);
/* Prepare HS400 target operating frequency depending host driver */
int (*prepare_hs400_tuning)(struct mmc_host *host, struct mmc_ios *ios);
+
+ /* Prepare switch to DDR during the HS400 init sequence */
+ int (*hs400_prepare_ddr)(struct mmc_host *host);
/* Prepare for switching from HS400 to HS200 */
void (*hs400_downgrade)(struct mmc_host *host);
@@ -163,6 +167,7 @@
int (*select_drive_strength)(struct mmc_card *card,
unsigned int max_dtr, int host_drv,
int card_drv, int *drv_type);
+ /* Reset the eMMC card via RST_n */
void (*hw_reset)(struct mmc_host *host);
void (*card_event)(struct mmc_host *host);
@@ -172,6 +177,9 @@
*/
int (*multi_io_quirk)(struct mmc_card *card,
unsigned int direction, int blk_size);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
struct mmc_cqe_ops {
@@ -216,6 +224,9 @@
* will have zero data bytes transferred.
*/
void (*cqe_recovery_finish)(struct mmc_host *host);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
struct mmc_async_req {
@@ -242,6 +253,7 @@
struct mmc_slot {
int cd_irq;
bool cd_wake_enabled;
+ ANDROID_OEM_DATA_ARRAY(1, 2);
void *handler_priv;
};
@@ -284,9 +296,7 @@
u32 ocr_avail_sdio; /* SDIO-specific OCR */
u32 ocr_avail_sd; /* SD-specific OCR */
u32 ocr_avail_mmc; /* MMC-specific OCR */
-#ifdef CONFIG_PM_SLEEP
- struct notifier_block pm_notify;
-#endif
+ struct wakeup_source *ws; /* Enable consume of uevents */
u32 max_current_330;
u32 max_current_300;
u32 max_current_180;
@@ -321,10 +331,11 @@
#define MMC_CAP_AGGRESSIVE_PM (1 << 7) /* Suspend (e)MMC/SD at idle */
#define MMC_CAP_NONREMOVABLE (1 << 8) /* Nonremovable e.g. eMMC */
#define MMC_CAP_WAIT_WHILE_BUSY (1 << 9) /* Waits while card is busy */
-#define MMC_CAP_ERASE (1 << 10) /* Allow erase/trim commands */
#define MMC_CAP_3_3V_DDR (1 << 11) /* Host supports eMMC DDR 3.3V */
#define MMC_CAP_1_8V_DDR (1 << 12) /* Host supports eMMC DDR 1.8V */
#define MMC_CAP_1_2V_DDR (1 << 13) /* Host supports eMMC DDR 1.2V */
+#define MMC_CAP_DDR (MMC_CAP_3_3V_DDR | MMC_CAP_1_8V_DDR | \
+ MMC_CAP_1_2V_DDR)
#define MMC_CAP_POWER_OFF_CARD (1 << 14) /* Can power off after boot */
#define MMC_CAP_BUS_WIDTH_TEST (1 << 15) /* CMD14/CMD19 bus width ok */
#define MMC_CAP_UHS_SDR12 (1 << 16) /* Host supports UHS SDR12 mode */
@@ -335,7 +346,7 @@
#define MMC_CAP_UHS (MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25 | \
MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR104 | \
MMC_CAP_UHS_DDR50)
-/* (1 << 21) is free for reuse */
+#define MMC_CAP_SYNC_RUNTIME_PM (1 << 21) /* Synced runtime PM suspends. */
#define MMC_CAP_NEED_RSP_BUSY (1 << 22) /* Commands with R1B can't use R1. */
#define MMC_CAP_DRIVER_TYPE_A (1 << 23) /* Host supports Driver Type A */
#define MMC_CAP_DRIVER_TYPE_C (1 << 24) /* Host supports Driver Type C */
@@ -344,12 +355,13 @@
#define MMC_CAP_CD_WAKE (1 << 28) /* Enable card detect wake */
#define MMC_CAP_CMD_DURING_TFR (1 << 29) /* Commands during data transfer */
#define MMC_CAP_CMD23 (1 << 30) /* CMD23 supported. */
-#define MMC_CAP_HW_RESET (1 << 31) /* Hardware reset */
+#define MMC_CAP_HW_RESET (1 << 31) /* Reset the eMMC card via RST_n */
u32 caps2; /* More host capabilities */
#define MMC_CAP2_BOOTPART_NOACC (1 << 0) /* Boot partition no access */
#define MMC_CAP2_FULL_PWR_CYCLE (1 << 2) /* Can do full power cycle */
+#define MMC_CAP2_FULL_PWR_CYCLE_IN_SUSPEND (1 << 3) /* Can do full power cycle in suspend */
#define MMC_CAP2_HS200_1_8V_SDR (1 << 5) /* can support */
#define MMC_CAP2_HS200_1_2V_SDR (1 << 6) /* can support */
#define MMC_CAP2_HS200 (MMC_CAP2_HS200_1_8V_SDR | \
@@ -372,21 +384,16 @@
#define MMC_CAP2_CQE (1 << 23) /* Has eMMC command queue engine */
#define MMC_CAP2_CQE_DCMD (1 << 24) /* CQE can issue a direct command */
#define MMC_CAP2_AVOID_3_3V (1 << 25) /* Host must negotiate down from 3.3V */
+#define MMC_CAP2_MERGE_CAPABLE (1 << 26) /* Host can merge a segment over the segment size */
+#ifdef CONFIG_MMC_CRYPTO
#define MMC_CAP2_CRYPTO (1 << 27) /* Host supports inline encryption */
+#else
+#define MMC_CAP2_CRYPTO 0
+#endif
int fixed_drv_type; /* fixed driver type for non-removable media */
mmc_pm_flag_t pm_caps; /* supported pm features */
- u32 restrict_caps; /* Indicate slot specific card type */
-#define RESTRICT_CARD_TYPE_SD (1 << 0) /* Can support Secure-Digital Card */
-#define RESTRICT_CARD_TYPE_SDIO (1 << 1) /* Can support Secure-Digital I/O Card or Combo-Mem */
-#define RESTRICT_CARD_TYPE_EMMC (1 << 2) /* Can support embedded Multi-Media Card */
-
-#ifdef CONFIG_SDIO_KEEPALIVE
- bool support_chip_alive;
- bool chip_alive;
- bool logic_remove_card;
-#endif
/* host specific block data */
unsigned int max_seg_size; /* see blk_queue_max_segment_size */
@@ -406,12 +413,14 @@
unsigned int use_spi_crc:1;
unsigned int claimed:1; /* host exclusively claimed */
unsigned int bus_dead:1; /* bus has been released */
+ unsigned int doing_init_tune:1; /* initial tuning in progress */
unsigned int can_retune:1; /* re-tuning can be used */
unsigned int doing_retune:1; /* re-tuning in progress */
unsigned int retune_now:1; /* do re-tuning at next req */
unsigned int retune_paused:1; /* re-tuning is temporarily disabled */
unsigned int use_blk_mq:1; /* use blk-mq */
unsigned int retune_crc_disable:1; /* don't trigger retune upon crc */
+ unsigned int can_dma_map_merge:1; /* merging can be used */
int rescan_disable; /* disable card detection */
int rescan_entered; /* used with nonremovable devices */
@@ -474,31 +483,41 @@
int cqe_qdepth;
bool cqe_enabled;
bool cqe_on;
+
+ /* Inline encryption support */
#ifdef CONFIG_MMC_CRYPTO
- struct keyslot_manager *ksm;
-#endif /* CONFIG_MMC_CRYPTO */
+ struct blk_keyslot_manager ksm;
+#endif
/* Host Software Queue support */
bool hsq_enabled;
- unsigned long private[0] ____cacheline_aligned;
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_VENDOR_DATA(1);
+ ANDROID_OEM_DATA(1);
+
+ unsigned long private[] ____cacheline_aligned;
};
struct device_node;
struct mmc_host *mmc_alloc_host(int extra, struct device *);
+struct mmc_host *devm_mmc_alloc_host(struct device *dev, int extra);
int mmc_add_host(struct mmc_host *);
void mmc_remove_host(struct mmc_host *);
void mmc_free_host(struct mmc_host *);
int mmc_of_parse(struct mmc_host *host);
int mmc_of_parse_voltage(struct device_node *np, u32 *mask);
-extern struct mmc_host *primary_sdio_host;
-int mmc_host_rescan(struct mmc_host *host, int val, int is_cap_sdio_irq);
-
static inline void *mmc_priv(struct mmc_host *host)
{
return (void *)host->private;
+}
+
+static inline struct mmc_host *mmc_from_priv(void *priv)
+{
+ return container_of(priv, struct mmc_host, private);
}
#define mmc_host_is_spi(host) ((host)->caps & MMC_CAP_SPI)
@@ -530,21 +549,14 @@
wake_up_process(host->sdio_irq_thread);
}
-void sdio_run_irqs(struct mmc_host *host);
void sdio_signal_irq(struct mmc_host *host);
#ifdef CONFIG_REGULATOR
-int mmc_regulator_get_ocrmask(struct regulator *supply);
int mmc_regulator_set_ocr(struct mmc_host *mmc,
struct regulator *supply,
unsigned short vdd_bit);
int mmc_regulator_set_vqmmc(struct mmc_host *mmc, struct mmc_ios *ios);
#else
-static inline int mmc_regulator_get_ocrmask(struct regulator *supply)
-{
- return 0;
-}
-
static inline int mmc_regulator_set_ocr(struct mmc_host *mmc,
struct regulator *supply,
unsigned short vdd_bit)
@@ -559,7 +571,6 @@
}
#endif
-u32 mmc_vddrange_to_ocrmask(int vdd_min, int vdd_max);
int mmc_regulator_get_supply(struct mmc_host *mmc);
static inline int mmc_card_is_removable(struct mmc_host *host)
@@ -604,6 +615,16 @@
return host->can_retune == 1;
}
+static inline bool mmc_doing_retune(struct mmc_host *host)
+{
+ return host->doing_retune == 1;
+}
+
+static inline bool mmc_doing_tune(struct mmc_host *host)
+{
+ return host->doing_retune == 1 || host->doing_init_tune == 1;
+}
+
static inline enum dma_data_direction mmc_get_dma_dir(struct mmc_data *data)
{
return data->flags & MMC_DATA_WRITE ? DMA_TO_DEVICE : DMA_FROM_DEVICE;
@@ -611,7 +632,5 @@
int mmc_send_tuning(struct mmc_host *host, u32 opcode, int *cmd_error);
int mmc_abort_tuning(struct mmc_host *host, u32 opcode);
-void mmc_retune_enable(struct mmc_host *host);
-void mmc_retune_disable(struct mmc_host *host);
#endif /* LINUX_MMC_HOST_H */
--
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