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hc
2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b 
 kernel/include/linux/mmc/host.h
....@@ -1,9 +1,6 @@
1
+/* SPDX-License-Identifier: GPL-2.0-only */
12 /*
23  *  linux/include/linux/mmc/host.h
3
- *
4
- * This program is free software; you can redistribute it and/or modify
5
- * it under the terms of the GNU General Public License version 2 as
6
- * published by the Free Software Foundation.
74  *
85  *  Host driver specific definitions.
96  */
....@@ -18,6 +15,10 @@
1815 #include <linux/mmc/card.h>
1916 #include <linux/mmc/pm.h>
2017 #include <linux/dma-direction.h>
18
+#include <linux/keyslot-manager.h>
19
+#include <linux/android_kabi.h>
20
+
21
+#include <linux/android_vendor.h>
2122 
2223 struct mmc_ios {
2324 	unsigned int	clock;			/* clock rate */
....@@ -134,6 +135,7 @@
134135 	int	(*get_cd)(struct mmc_host *host);
135136 
136137 	void	(*enable_sdio_irq)(struct mmc_host *host, int enable);
138
+	/* Mandatory callback when using MMC_CAP2_SDIO_IRQ_NOTHREAD. */
137139 	void	(*ack_sdio_irq)(struct mmc_host *host);
138140 
139141 	/* optional callback for HC quirks */
....@@ -143,13 +145,15 @@
143145 
144146 	/* Check if the card is pulling dat[0:3] low */
145147 	int	(*card_busy)(struct mmc_host *host);
146
-	int     (*set_sdio_status)(struct mmc_host *host, int val);
147148 
148149 	/* The tuning command opcode value is different for SD and eMMC cards */
149150 	int	(*execute_tuning)(struct mmc_host *host, u32 opcode);
150151 
151152 	/* Prepare HS400 target operating frequency depending host driver */
152153 	int	(*prepare_hs400_tuning)(struct mmc_host *host, struct mmc_ios *ios);
154
+
155
+	/* Prepare switch to DDR during the HS400 init sequence */
156
+	int	(*hs400_prepare_ddr)(struct mmc_host *host);
153157 
154158 	/* Prepare for switching from HS400 to HS200 */
155159 	void	(*hs400_downgrade)(struct mmc_host *host);
....@@ -163,6 +167,7 @@
163167 	int	(*select_drive_strength)(struct mmc_card *card,
164168 					 unsigned int max_dtr, int host_drv,
165169 					 int card_drv, int *drv_type);
170
+	/* Reset the eMMC card via RST_n */
166171 	void	(*hw_reset)(struct mmc_host *host);
167172 	void	(*card_event)(struct mmc_host *host);
168173 
....@@ -172,6 +177,9 @@
172177 	 */
173178 	int	(*multi_io_quirk)(struct mmc_card *card,
174179 				  unsigned int direction, int blk_size);
180
+
181
+	ANDROID_KABI_RESERVE(1);
182
+	ANDROID_KABI_RESERVE(2);
175183 };
176184 
177185 struct mmc_cqe_ops {
....@@ -216,6 +224,9 @@
216224 	 * will have zero data bytes transferred.
217225 	 */
218226 	void	(*cqe_recovery_finish)(struct mmc_host *host);
227
+
228
+	ANDROID_KABI_RESERVE(1);
229
+	ANDROID_KABI_RESERVE(2);
219230 };
220231 
221232 struct mmc_async_req {
....@@ -242,6 +253,7 @@
242253 struct mmc_slot {
243254 	int cd_irq;
244255 	bool cd_wake_enabled;
256
+	ANDROID_OEM_DATA_ARRAY(1, 2);
245257 	void *handler_priv;
246258 };
247259 
....@@ -284,9 +296,7 @@
284296 	u32			ocr_avail_sdio;	/* SDIO-specific OCR */
285297 	u32			ocr_avail_sd;	/* SD-specific OCR */
286298 	u32			ocr_avail_mmc;	/* MMC-specific OCR */
287
-#ifdef CONFIG_PM_SLEEP
288
-	struct notifier_block	pm_notify;
289
-#endif
299
+	struct wakeup_source	*ws;		/* Enable consume of uevents */
290300 	u32			max_current_330;
291301 	u32			max_current_300;
292302 	u32			max_current_180;
....@@ -321,10 +331,11 @@
321331 #define MMC_CAP_AGGRESSIVE_PM	(1 << 7)	/* Suspend (e)MMC/SD at idle  */
322332 #define MMC_CAP_NONREMOVABLE	(1 << 8)	/* Nonremovable e.g. eMMC */
323333 #define MMC_CAP_WAIT_WHILE_BUSY	(1 << 9)	/* Waits while card is busy */
324
-#define MMC_CAP_ERASE		(1 << 10)	/* Allow erase/trim commands */
325334 #define MMC_CAP_3_3V_DDR	(1 << 11)	/* Host supports eMMC DDR 3.3V */
326335 #define MMC_CAP_1_8V_DDR	(1 << 12)	/* Host supports eMMC DDR 1.8V */
327336 #define MMC_CAP_1_2V_DDR	(1 << 13)	/* Host supports eMMC DDR 1.2V */
337
+#define MMC_CAP_DDR		(MMC_CAP_3_3V_DDR | MMC_CAP_1_8V_DDR | \
338
+				 MMC_CAP_1_2V_DDR)
328339 #define MMC_CAP_POWER_OFF_CARD	(1 << 14)	/* Can power off after boot */
329340 #define MMC_CAP_BUS_WIDTH_TEST	(1 << 15)	/* CMD14/CMD19 bus width ok */
330341 #define MMC_CAP_UHS_SDR12	(1 << 16)	/* Host supports UHS SDR12 mode */
....@@ -335,7 +346,7 @@
335346 #define MMC_CAP_UHS		(MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25 | \
336347 				 MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR104 | \
337348 				 MMC_CAP_UHS_DDR50)
338
-/* (1 << 21) is free for reuse */
349
+#define MMC_CAP_SYNC_RUNTIME_PM	(1 << 21)	/* Synced runtime PM suspends. */
339350 #define MMC_CAP_NEED_RSP_BUSY	(1 << 22)	/* Commands with R1B can't use R1. */
340351 #define MMC_CAP_DRIVER_TYPE_A	(1 << 23)	/* Host supports Driver Type A */
341352 #define MMC_CAP_DRIVER_TYPE_C	(1 << 24)	/* Host supports Driver Type C */
....@@ -344,12 +355,13 @@
344355 #define MMC_CAP_CD_WAKE		(1 << 28)	/* Enable card detect wake */
345356 #define MMC_CAP_CMD_DURING_TFR	(1 << 29)	/* Commands during data transfer */
346357 #define MMC_CAP_CMD23		(1 << 30)	/* CMD23 supported. */
347
-#define MMC_CAP_HW_RESET	(1 << 31)	/* Hardware reset */
358
+#define MMC_CAP_HW_RESET	(1 << 31)	/* Reset the eMMC card via RST_n */
348359 
349360 	u32			caps2;		/* More host capabilities */
350361 
351362 #define MMC_CAP2_BOOTPART_NOACC	(1 << 0)	/* Boot partition no access */
352363 #define MMC_CAP2_FULL_PWR_CYCLE	(1 << 2)	/* Can do full power cycle */
364
+#define MMC_CAP2_FULL_PWR_CYCLE_IN_SUSPEND (1 << 3) /* Can do full power cycle in suspend */
353365 #define MMC_CAP2_HS200_1_8V_SDR	(1 << 5)        /* can support */
354366 #define MMC_CAP2_HS200_1_2V_SDR	(1 << 6)        /* can support */
355367 #define MMC_CAP2_HS200		(MMC_CAP2_HS200_1_8V_SDR | \
....@@ -372,21 +384,16 @@
372384 #define MMC_CAP2_CQE		(1 << 23)	/* Has eMMC command queue engine */
373385 #define MMC_CAP2_CQE_DCMD	(1 << 24)	/* CQE can issue a direct command */
374386 #define MMC_CAP2_AVOID_3_3V	(1 << 25)	/* Host must negotiate down from 3.3V */
387
+#define MMC_CAP2_MERGE_CAPABLE	(1 << 26)	/* Host can merge a segment over the segment size */
388
+#ifdef CONFIG_MMC_CRYPTO
375389 #define MMC_CAP2_CRYPTO		(1 << 27)	/* Host supports inline encryption */
390
+#else
391
+#define MMC_CAP2_CRYPTO		0
392
+#endif
376393 
377394 	int			fixed_drv_type;	/* fixed driver type for non-removable media */
378395 
379396 	mmc_pm_flag_t		pm_caps;	/* supported pm features */
380
-	u32			restrict_caps;  /* Indicate slot specific card type */
381
-#define RESTRICT_CARD_TYPE_SD   (1 << 0)        /* Can support Secure-Digital Card */
382
-#define RESTRICT_CARD_TYPE_SDIO (1 << 1)        /* Can support Secure-Digital I/O Card or Combo-Mem */
383
-#define RESTRICT_CARD_TYPE_EMMC (1 << 2)        /* Can support embedded Multi-Media Card */
384
-
385
-#ifdef CONFIG_SDIO_KEEPALIVE
386
-	bool		support_chip_alive;
387
-	bool		chip_alive;
388
-	bool		logic_remove_card;
389
-#endif
390397 
391398 	/* host specific block data */
392399 	unsigned int		max_seg_size;	/* see blk_queue_max_segment_size */
....@@ -406,12 +413,14 @@
406413 	unsigned int		use_spi_crc:1;
407414 	unsigned int		claimed:1;	/* host exclusively claimed */
408415 	unsigned int		bus_dead:1;	/* bus has been released */
416
+	unsigned int		doing_init_tune:1; /* initial tuning in progress */
409417 	unsigned int		can_retune:1;	/* re-tuning can be used */
410418 	unsigned int		doing_retune:1;	/* re-tuning in progress */
411419 	unsigned int		retune_now:1;	/* do re-tuning at next req */
412420 	unsigned int		retune_paused:1; /* re-tuning is temporarily disabled */
413421 	unsigned int		use_blk_mq:1;	/* use blk-mq */
414422 	unsigned int		retune_crc_disable:1; /* don't trigger retune upon crc */
423
+	unsigned int		can_dma_map_merge:1; /* merging can be used */
415424 
416425 	int			rescan_disable;	/* disable card detection */
417426 	int			rescan_entered;	/* used with nonremovable devices */
....@@ -474,31 +483,41 @@
474483 	int			cqe_qdepth;
475484 	bool			cqe_enabled;
476485 	bool			cqe_on;
486
+
487
+	/* Inline encryption support */
477488 #ifdef CONFIG_MMC_CRYPTO
478
-	struct keyslot_manager	*ksm;
479
-#endif /* CONFIG_MMC_CRYPTO */
489
+	struct blk_keyslot_manager ksm;
490
+#endif
480491 
481492 	/* Host Software Queue support */
482493 	bool			hsq_enabled;
483494 
484
-	unsigned long		private[0] ____cacheline_aligned;
495
+	ANDROID_KABI_RESERVE(1);
496
+	ANDROID_KABI_RESERVE(2);
497
+	ANDROID_VENDOR_DATA(1);
498
+	ANDROID_OEM_DATA(1);
499
+
500
+	unsigned long		private[] ____cacheline_aligned;
485501 };
486502 
487503 struct device_node;
488504 
489505 struct mmc_host *mmc_alloc_host(int extra, struct device *);
506
+struct mmc_host *devm_mmc_alloc_host(struct device *dev, int extra);
490507 int mmc_add_host(struct mmc_host *);
491508 void mmc_remove_host(struct mmc_host *);
492509 void mmc_free_host(struct mmc_host *);
493510 int mmc_of_parse(struct mmc_host *host);
494511 int mmc_of_parse_voltage(struct device_node *np, u32 *mask);
495512 
496
-extern struct mmc_host *primary_sdio_host;
497
-int mmc_host_rescan(struct mmc_host *host, int val, int is_cap_sdio_irq);
498
-
499513 static inline void *mmc_priv(struct mmc_host *host)
500514 {
501515 	return (void *)host->private;
516
+}
517
+
518
+static inline struct mmc_host *mmc_from_priv(void *priv)
519
+{
520
+	return container_of(priv, struct mmc_host, private);
502521 }
503522 
504523 #define mmc_host_is_spi(host)	((host)->caps & MMC_CAP_SPI)
....@@ -530,21 +549,14 @@
530549 		wake_up_process(host->sdio_irq_thread);
531550 }
532551 
533
-void sdio_run_irqs(struct mmc_host *host);
534552 void sdio_signal_irq(struct mmc_host *host);
535553 
536554 #ifdef CONFIG_REGULATOR
537
-int mmc_regulator_get_ocrmask(struct regulator *supply);
538555 int mmc_regulator_set_ocr(struct mmc_host *mmc,
539556 			struct regulator *supply,
540557 			unsigned short vdd_bit);
541558 int mmc_regulator_set_vqmmc(struct mmc_host *mmc, struct mmc_ios *ios);
542559 #else
543
-static inline int mmc_regulator_get_ocrmask(struct regulator *supply)
544
-{
545
-	return 0;
546
-}
547
-
548560 static inline int mmc_regulator_set_ocr(struct mmc_host *mmc,
549561 				 struct regulator *supply,
550562 				 unsigned short vdd_bit)
....@@ -559,7 +571,6 @@
559571 }
560572 #endif
561573 
562
-u32 mmc_vddrange_to_ocrmask(int vdd_min, int vdd_max);
563574 int mmc_regulator_get_supply(struct mmc_host *mmc);
564575 
565576 static inline int mmc_card_is_removable(struct mmc_host *host)
....@@ -604,6 +615,16 @@
604615 	return host->can_retune == 1;
605616 }
606617 
618
+static inline bool mmc_doing_retune(struct mmc_host *host)
619
+{
620
+	return host->doing_retune == 1;
621
+}
622
+
623
+static inline bool mmc_doing_tune(struct mmc_host *host)
624
+{
625
+	return host->doing_retune == 1 || host->doing_init_tune == 1;
626
+}
627
+
607628 static inline enum dma_data_direction mmc_get_dma_dir(struct mmc_data *data)
608629 {
609630 	return data->flags & MMC_DATA_WRITE ? DMA_TO_DEVICE : DMA_FROM_DEVICE;
....@@ -611,7 +632,5 @@
611632 
612633 int mmc_send_tuning(struct mmc_host *host, u32 opcode, int *cmd_error);
613634 int mmc_abort_tuning(struct mmc_host *host, u32 opcode);
614
-void mmc_retune_enable(struct mmc_host *host);
615
-void mmc_retune_disable(struct mmc_host *host);
616635 
617636 #endif /* LINUX_MMC_HOST_H */