1 files changed, 151 insertions, 19 deletions

diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h
index 5345d156493e..a028b48be164 100644
--- a/drivers/mmc/core/core.h
+++ b/drivers/mmc/core/core.h
@@ -1,17 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  linux/drivers/mmc/core/core.h
  *
  *  Copyright (C) 2003 Russell King, All Rights Reserved.
  *  Copyright 2007 Pierre Ossman
- *
- * 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.
  */
 #ifndef _MMC_CORE_CORE_H
 #define _MMC_CORE_CORE_H
 
 #include <linux/delay.h>
+#include <linux/sched.h>
+
+struct mmc_host;
+struct mmc_card;
+struct mmc_request;
 
 #define MMC_CMD_RETRIES        3
 
@@ -23,63 +25,193 @@ struct mmc_bus_ops {
 	int (*resume)(struct mmc_host *);
 	int (*runtime_suspend)(struct mmc_host *);
 	int (*runtime_resume)(struct mmc_host *);
-	int (*power_save)(struct mmc_host *);
-	int (*power_restore)(struct mmc_host *);
 	int (*alive)(struct mmc_host *);
 	int (*shutdown)(struct mmc_host *);
+	int (*hw_reset)(struct mmc_host *);
+	int (*sw_reset)(struct mmc_host *);
+	bool (*cache_enabled)(struct mmc_host *);
+	int (*flush_cache)(struct mmc_host *);
+	int (*handle_undervoltage)(struct mmc_host *host);
 };
 
 void mmc_attach_bus(struct mmc_host *host, const struct mmc_bus_ops *ops);
 void mmc_detach_bus(struct mmc_host *host);
 
+struct device_node *mmc_of_find_child_device(struct mmc_host *host,
+		unsigned func_num);
+
 void mmc_init_erase(struct mmc_card *card);
 
 void mmc_set_chip_select(struct mmc_host *host, int mode);
 void mmc_set_clock(struct mmc_host *host, unsigned int hz);
-void mmc_gate_clock(struct mmc_host *host);
-void mmc_ungate_clock(struct mmc_host *host);
-void mmc_set_ungated(struct mmc_host *host);
 void mmc_set_bus_mode(struct mmc_host *host, unsigned int mode);
 void mmc_set_bus_width(struct mmc_host *host, unsigned int width);
 u32 mmc_select_voltage(struct mmc_host *host, u32 ocr);
+int mmc_set_uhs_voltage(struct mmc_host *host, u32 ocr);
+int mmc_host_set_uhs_voltage(struct mmc_host *host);
 int mmc_set_signal_voltage(struct mmc_host *host, int signal_voltage);
-int __mmc_set_signal_voltage(struct mmc_host *host, int signal_voltage);
+void mmc_set_initial_signal_voltage(struct mmc_host *host);
 void mmc_set_timing(struct mmc_host *host, unsigned int timing);
 void mmc_set_driver_type(struct mmc_host *host, unsigned int drv_type);
-void mmc_power_up(struct mmc_host *host);
+int mmc_select_drive_strength(struct mmc_card *card, unsigned int max_dtr,
+			      int card_drv_type, int *drv_type);
+void mmc_power_up(struct mmc_host *host, u32 ocr);
 void mmc_power_off(struct mmc_host *host);
-void mmc_power_cycle(struct mmc_host *host);
+void mmc_power_cycle(struct mmc_host *host, u32 ocr);
+void mmc_set_initial_state(struct mmc_host *host);
+u32 mmc_vddrange_to_ocrmask(int vdd_min, int vdd_max);
+int mmc_handle_undervoltage(struct mmc_host *host);
+void mmc_regulator_register_undervoltage_notifier(struct mmc_host *host);
+void mmc_regulator_unregister_undervoltage_notifier(struct mmc_host *host);
+void mmc_undervoltage_workfn(struct work_struct *work);
 
 static inline void mmc_delay(unsigned int ms)
 {
-	if (ms < 1000 / HZ) {
-		cond_resched();
-		mdelay(ms);
-	} else {
+	if (ms <= 20)
+		usleep_range(ms * 1000, ms * 1250);
+	else
 		msleep(ms);
-	}
 }
 
 void mmc_rescan(struct work_struct *work);
 void mmc_start_host(struct mmc_host *host);
+void __mmc_stop_host(struct mmc_host *host);
 void mmc_stop_host(struct mmc_host *host);
 
+void _mmc_detect_change(struct mmc_host *host, unsigned long delay,
+			bool cd_irq);
 int _mmc_detect_card_removed(struct mmc_host *host);
+int mmc_detect_card_removed(struct mmc_host *host);
 
 int mmc_attach_mmc(struct mmc_host *host);
 int mmc_attach_sd(struct mmc_host *host);
 int mmc_attach_sdio(struct mmc_host *host);
+int mmc_attach_sd_uhs2(struct mmc_host *host);
 
 /* Module parameters */
 extern bool use_spi_crc;
 
 /* Debugfs information for hosts and cards */
+#ifdef CONFIG_DEBUG_FS
 void mmc_add_host_debugfs(struct mmc_host *host);
 void mmc_remove_host_debugfs(struct mmc_host *host);
 
 void mmc_add_card_debugfs(struct mmc_card *card);
 void mmc_remove_card_debugfs(struct mmc_card *card);
-
-void mmc_init_context_info(struct mmc_host *host);
+#else
+static inline void mmc_add_host_debugfs(struct mmc_host *host)
+{
+}
+static inline void mmc_remove_host_debugfs(struct mmc_host *host)
+{
+}
+static inline void mmc_add_card_debugfs(struct mmc_card *card)
+{
+}
+static inline void mmc_remove_card_debugfs(struct mmc_card *card)
+{
+}
 #endif
 
+int mmc_execute_tuning(struct mmc_card *card);
+int mmc_hs200_to_hs400(struct mmc_card *card);
+int mmc_hs400_to_hs200(struct mmc_card *card);
+
+void mmc_wait_for_req_done(struct mmc_host *host, struct mmc_request *mrq);
+bool mmc_is_req_done(struct mmc_host *host, struct mmc_request *mrq);
+
+int mmc_start_request(struct mmc_host *host, struct mmc_request *mrq);
+
+int mmc_erase(struct mmc_card *card, sector_t from, unsigned int nr, unsigned int arg);
+bool mmc_card_can_erase(struct mmc_card *card);
+bool mmc_card_can_trim(struct mmc_card *card);
+bool mmc_card_can_discard(struct mmc_card *card);
+bool mmc_card_can_sanitize(struct mmc_card *card);
+bool mmc_card_can_secure_erase_trim(struct mmc_card *card);
+bool mmc_card_can_cmd23(struct mmc_card *card);
+int mmc_erase_group_aligned(struct mmc_card *card, sector_t from, unsigned int nr);
+unsigned int mmc_calc_max_discard(struct mmc_card *card);
+
+int mmc_set_blocklen(struct mmc_card *card, unsigned int blocklen);
+
+int __mmc_claim_host(struct mmc_host *host, struct mmc_ctx *ctx,
+		     atomic_t *abort);
+void mmc_release_host(struct mmc_host *host);
+void mmc_get_card(struct mmc_card *card, struct mmc_ctx *ctx);
+void mmc_put_card(struct mmc_card *card, struct mmc_ctx *ctx);
+
+int mmc_card_alternative_gpt_sector(struct mmc_card *card, sector_t *sector);
+
+/**
+ *	mmc_claim_host - exclusively claim a host
+ *	@host: mmc host to claim
+ *
+ *	Claim a host for a set of operations.
+ */
+static inline void mmc_claim_host(struct mmc_host *host)
+{
+	__mmc_claim_host(host, NULL, NULL);
+}
+
+int mmc_cqe_start_req(struct mmc_host *host, struct mmc_request *mrq);
+void mmc_cqe_post_req(struct mmc_host *host, struct mmc_request *mrq);
+int mmc_cqe_recovery(struct mmc_host *host);
+
+/**
+ *	mmc_pre_req - Prepare for a new request
+ *	@host: MMC host to prepare command
+ *	@mrq: MMC request to prepare for
+ *
+ *	mmc_pre_req() is called in prior to mmc_start_req() to let
+ *	host prepare for the new request. Preparation of a request may be
+ *	performed while another request is running on the host.
+ */
+static inline void mmc_pre_req(struct mmc_host *host, struct mmc_request *mrq)
+{
+	if (host->ops->pre_req)
+		host->ops->pre_req(host, mrq);
+}
+
+/**
+ *	mmc_post_req - Post process a completed request
+ *	@host: MMC host to post process command
+ *	@mrq: MMC request to post process for
+ *	@err: Error, if non zero, clean up any resources made in pre_req
+ *
+ *	Let the host post process a completed request. Post processing of
+ *	a request may be performed while another request is running.
+ */
+static inline void mmc_post_req(struct mmc_host *host, struct mmc_request *mrq,
+				int err)
+{
+	if (host->ops->post_req)
+		host->ops->post_req(host, mrq, err);
+}
+
+static inline bool mmc_cache_enabled(struct mmc_host *host)
+{
+	if (host->bus_ops->cache_enabled)
+		return host->bus_ops->cache_enabled(host);
+
+	return false;
+}
+
+static inline int mmc_flush_cache(struct mmc_host *host)
+{
+	if (host->bus_ops->flush_cache)
+		return host->bus_ops->flush_cache(host);
+
+	return 0;
+}
+
+static inline unsigned int mmc_sector_div(sector_t dividend, u32 divisor)
+{
+	return div_u64(dividend, divisor);
+}
+
+static inline unsigned int mmc_sector_mod(sector_t dividend, u32 divisor)
+{
+	return sector_div(dividend, divisor);
+}
+
+#endif