Lines Matching +full:hs200 +full:- +full:cmd +full:- +full:int +full:- +full:delay
1 /* SPDX-License-Identifier: GPL-2.0-only */
12 #include <linux/fault-inject.h>
18 #include <linux/dma-direction.h>
19 #include <linux/blk-crypto-profile.h>
23 unsigned int clock; /* clock rate */
25 unsigned int power_delay_ms; /* waiting for stable power */
171 int err);
175 int (*request_atomic)(struct mmc_host *host,
187 * ios->clock might be 0. For some controllers, setting 0Hz
197 * 1 for a read-only card
198 * -ENOSYS when not supported (equal to NULL callback)
201 int (*get_ro)(struct mmc_host *host);
207 * -ENOSYS when not supported (equal to NULL callback)
210 int (*get_cd)(struct mmc_host *host);
212 void (*enable_sdio_irq)(struct mmc_host *host, int enable);
219 int (*start_signal_voltage_switch)(struct mmc_host *host, struct mmc_ios *ios);
222 int (*card_busy)(struct mmc_host *host);
225 int (*execute_tuning)(struct mmc_host *host, u32 opcode);
228 int (*prepare_hs400_tuning)(struct mmc_host *host, struct mmc_ios *ios);
231 int (*execute_hs400_tuning)(struct mmc_host *host, struct mmc_card *card);
233 /* Optional callback to prepare for SD high-speed tuning */
234 int (*prepare_sd_hs_tuning)(struct mmc_host *host, struct mmc_card *card);
236 /* Optional callback to execute SD high-speed tuning */
237 int (*execute_sd_hs_tuning)(struct mmc_host *host, struct mmc_card *card);
240 int (*hs400_prepare_ddr)(struct mmc_host *host);
242 /* Prepare for switching from HS400 to HS200 */
251 int (*select_drive_strength)(struct mmc_card *card,
252 unsigned int max_dtr, int host_drv,
253 int card_drv, int *drv_type);
262 int (*multi_io_quirk)(struct mmc_card *card,
263 unsigned int direction, int blk_size);
266 int (*init_sd_express)(struct mmc_host *host, struct mmc_ios *ios);
269 * The uhs2_control callback is used to execute SD UHS-II specific
271 * SD UHS-II interface (MMC_CAP2_SD_UHS2). Expected return values are a
274 int (*uhs2_control)(struct mmc_host *host, enum sd_uhs2_operation op);
279 int (*cqe_enable)(struct mmc_host *host, struct mmc_card *card);
280 /* Free resources, and make the CQE non-operational */
284 * effect of ->cqe_off().
286 int (*cqe_request)(struct mmc_host *host, struct mmc_request *mrq);
290 * Prepare the CQE and host controller to accept non-CQ commands. There
291 * is no corresponding ->cqe_on(), instead ->cqe_request() is required
299 int (*cqe_wait_for_idle)(struct mmc_host *host);
315 * (data->error or cmd->error for DCMD). Requests that did not error
322 * struct mmc_slot - MMC slot functions
324 * @cd_irq: MMC/SD-card slot hotplug detection IRQ or -EINVAL
325 * @handler_priv: MMC/SD-card slot context
327 * Some MMC/SD host controllers implement slot-functions like card and
328 * write-protect detection natively. However, a large number of controllers
330 * such slot-function drivers.
333 int cd_irq;
354 int index;
357 unsigned int f_min;
358 unsigned int f_max;
359 unsigned int f_init;
361 u32 ocr_avail_sdio; /* SDIO-specific OCR */
362 u32 ocr_avail_sd; /* SD-specific OCR */
363 u32 ocr_avail_mmc; /* MMC-specific OCR */
369 #define MMC_VDD_165_195 0x00000080 /* VDD voltage 1.65 - 1.95 */
390 #define MMC_CAP_MMC_HIGHSPEED (1 << 1) /* Can do MMC high-speed timing */
391 #define MMC_CAP_SD_HIGHSPEED (1 << 2) /* Can do SD high-speed timing */
394 #define MMC_CAP_NEEDS_POLL (1 << 5) /* Needs polling for card-detection */
436 #define MMC_CAP2_SD_UHS2 (1 << 9) /* SD UHS-II support */
437 #define MMC_CAP2_CD_ACTIVE_HIGH (1 << 10) /* Card-detect signal active high */
438 #define MMC_CAP2_RO_ACTIVE_HIGH (1 << 11) /* Write-protect signal active high */
447 …_WRITE_PROTECT (1 << 18) /* No physical write protect pin, assume that card is always read-write */
461 #define MMC_CAP2_ALT_GPT_TEGRA (1 << 28) /* Host with eMMC that has GPT entry at a non-standard loc…
463 bool uhs2_sd_tran; /* UHS-II flag for SD_TRAN state */
464 bool uhs2_app_cmd; /* UHS-II flag for APP command */
465 struct sd_uhs2_caps uhs2_caps; /* Host UHS-II capabilities */
467 int fixed_drv_type; /* fixed driver type for non-removable media */
472 unsigned int max_seg_size; /* lim->max_segment_size */
473 unsigned short max_segs; /* lim->max_segments */
475 unsigned int max_req_size; /* maximum number of bytes in one req */
476 unsigned int max_blk_size; /* maximum size of one mmc block */
477 unsigned int max_blk_count; /* maximum number of blocks in one req */
478 unsigned int max_busy_timeout; /* max busy timeout in ms */
486 unsigned int use_spi_crc:1;
487 unsigned int claimed:1; /* host exclusively claimed */
488 unsigned int doing_init_tune:1; /* initial tuning in progress */
489 unsigned int can_retune:1; /* re-tuning can be used */
490 unsigned int doing_retune:1; /* re-tuning in progress */
491 unsigned int retune_now:1; /* do re-tuning at next req */
492 unsigned int retune_paused:1; /* re-tuning is temporarily disabled */
493 unsigned int retune_crc_disable:1; /* don't trigger retune upon crc */
494 unsigned int can_dma_map_merge:1; /* merging can be used */
495 unsigned int vqmmc_enabled:1; /* vqmmc regulator is enabled */
497 int rescan_disable; /* disable card detection */
498 int rescan_entered; /* used with nonremovable devices */
500 int need_retune; /* re-tuning is needed */
501 int hold_retune; /* hold off re-tuning */
502 unsigned int retune_period; /* re-tuning period in secs */
503 struct timer_list retune_timer; /* for periodic re-tuning */
511 int claim_cnt; /* "claim" nesting count */
515 int detect_change; /* card detect flag */
520 unsigned int sdio_irqs;
544 unsigned int actual_clock; /* Actual HC clock rate */
546 unsigned int slotno; /* used for sdio acpi binding */
548 int dsr_req; /* DSR value is valid */
554 int cqe_qdepth;
565 int hsq_depth;
573 struct mmc_host *mmc_alloc_host(int extra, struct device *);
574 struct mmc_host *devm_mmc_alloc_host(struct device *dev, int extra);
575 int mmc_add_host(struct mmc_host *);
580 int mmc_of_parse(struct mmc_host *host);
581 int mmc_of_parse_voltage(struct mmc_host *host, u32 *mask);
585 return (void *)host->private; in mmc_priv()
601 #define mmc_host_is_spi(host) ((host)->caps & MMC_CAP_SPI)
603 #define mmc_dev(x) ((x)->parent)
604 #define mmc_classdev(x) (&(x)->class_dev)
605 #define mmc_hostname(x) (dev_name(&(x)->class_dev))
607 void mmc_detect_change(struct mmc_host *, unsigned long delay);
619 return host->sdio_irqs > 0; in sdio_irq_claimed()
624 host->ops->enable_sdio_irq(host, 0); in mmc_signal_sdio_irq()
625 host->sdio_irq_pending = true; in mmc_signal_sdio_irq()
626 if (host->sdio_irq_thread) in mmc_signal_sdio_irq()
627 wake_up_process(host->sdio_irq_thread); in mmc_signal_sdio_irq()
633 int mmc_regulator_set_ocr(struct mmc_host *mmc,
636 int mmc_regulator_set_vqmmc(struct mmc_host *mmc, struct mmc_ios *ios);
637 int mmc_regulator_set_vqmmc2(struct mmc_host *mmc, struct mmc_ios *ios);
639 static inline int mmc_regulator_set_ocr(struct mmc_host *mmc, in mmc_regulator_set_ocr()
646 static inline int mmc_regulator_set_vqmmc(struct mmc_host *mmc, in mmc_regulator_set_vqmmc()
649 return -EINVAL; in mmc_regulator_set_vqmmc()
652 static inline int mmc_regulator_set_vqmmc2(struct mmc_host *mmc, in mmc_regulator_set_vqmmc2()
655 return -EINVAL; in mmc_regulator_set_vqmmc2()
659 int mmc_regulator_get_supply(struct mmc_host *mmc);
660 int mmc_regulator_enable_vqmmc(struct mmc_host *mmc);
663 static inline int mmc_card_is_removable(struct mmc_host *host) in mmc_card_is_removable()
665 return !(host->caps & MMC_CAP_NONREMOVABLE); in mmc_card_is_removable()
668 static inline int mmc_card_keep_power(struct mmc_host *host) in mmc_card_keep_power()
670 return host->pm_flags & MMC_PM_KEEP_POWER; in mmc_card_keep_power()
673 static inline int mmc_card_wake_sdio_irq(struct mmc_host *host) in mmc_card_wake_sdio_irq()
675 return host->pm_flags & MMC_PM_WAKE_SDIO_IRQ; in mmc_card_wake_sdio_irq()
679 static inline int mmc_card_hs(struct mmc_card *card) in mmc_card_hs()
681 return card->host->ios.timing == MMC_TIMING_SD_HS || in mmc_card_hs()
682 card->host->ios.timing == MMC_TIMING_MMC_HS; in mmc_card_hs()
686 static inline int mmc_card_uhs(struct mmc_card *card) in mmc_card_uhs()
688 return card->host->ios.timing >= MMC_TIMING_UHS_SDR12 && in mmc_card_uhs()
689 card->host->ios.timing <= MMC_TIMING_UHS_DDR50; in mmc_card_uhs()
694 return host->ios.timing == MMC_TIMING_UHS2_SPEED_A || in mmc_card_uhs2()
695 host->ios.timing == MMC_TIMING_UHS2_SPEED_A_HD || in mmc_card_uhs2()
696 host->ios.timing == MMC_TIMING_UHS2_SPEED_B || in mmc_card_uhs2()
697 host->ios.timing == MMC_TIMING_UHS2_SPEED_B_HD; in mmc_card_uhs2()
704 if (host->can_retune) in mmc_retune_needed()
705 host->need_retune = 1; in mmc_retune_needed()
710 return host->can_retune == 1; in mmc_can_retune()
715 return host->doing_retune == 1; in mmc_doing_retune()
720 return host->doing_retune == 1 || host->doing_init_tune == 1; in mmc_doing_tune()
725 return data->flags & MMC_DATA_WRITE ? DMA_TO_DEVICE : DMA_FROM_DEVICE; in mmc_get_dma_dir()
731 host->err_stats[stat] += 1; in mmc_debugfs_err_stats_inc()
734 static inline int mmc_card_uhs2_hd_mode(struct mmc_host *host) in mmc_card_uhs2_hd_mode()
736 return host->ios.timing == MMC_TIMING_UHS2_SPEED_A_HD || in mmc_card_uhs2_hd_mode()
737 host->ios.timing == MMC_TIMING_UHS2_SPEED_B_HD; in mmc_card_uhs2_hd_mode()
740 int mmc_sd_switch(struct mmc_card *card, bool mode, int group,
742 int mmc_send_status(struct mmc_card *card, u32 *status);
743 int mmc_send_tuning(struct mmc_host *host, u32 opcode, int *cmd_error);
744 int mmc_send_abort_tuning(struct mmc_host *host, u32 opcode);
745 int mmc_get_ext_csd(struct mmc_card *card, u8 **new_ext_csd);