Lines Matching +full:sdio +full:- +full:attached
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>
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)
207 * -ENOSYS when not supported (equal to NULL callback)
233 /* Optional callback to prepare for SD high-speed tuning */
236 /* Optional callback to execute SD high-speed tuning */
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
280 /* Free resources, and make the CQE non-operational */
284 * effect of ->cqe_off().
290 * Prepare the CQE and host controller to accept non-CQ commands. There
291 * is no corresponding ->cqe_on(), instead ->cqe_request() is required
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.
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 */
392 #define MMC_CAP_SDIO_IRQ (1 << 3) /* Can signal pending SDIO IRQs */
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 */
448 #define MMC_CAP2_NO_SDIO (1 << 19) /* Do not send SDIO commands during initialization */
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 */
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 */
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 */
507 struct mmc_card *card; /* device attached to this host */
546 unsigned int slotno; /* used for sdio acpi binding */
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))
615 * to know if SDIO IRQs has been claimed.
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()
649 return -EINVAL; in mmc_regulator_set_vqmmc()
655 return -EINVAL; in mmc_regulator_set_vqmmc2()
665 return !(host->caps & MMC_CAP_NONREMOVABLE); in mmc_card_is_removable()
670 return host->pm_flags & MMC_PM_KEEP_POWER; in mmc_card_keep_power()
675 return host->pm_flags & MMC_PM_WAKE_SDIO_IRQ; in mmc_card_wake_sdio_irq()
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()
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()
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()