Lines Matching refs:host
38 struct mmc_host *host = cls_dev_to_mmc_host(dev); in mmc_host_class_prepare() local
44 if (!host->bus_ops) in mmc_host_class_prepare()
48 if (host->bus_ops->pre_suspend) in mmc_host_class_prepare()
49 return host->bus_ops->pre_suspend(host); in mmc_host_class_prepare()
56 struct mmc_host *host = cls_dev_to_mmc_host(dev); in mmc_host_class_complete() local
58 _mmc_detect_change(host, 0, false); in mmc_host_class_complete()
68 struct mmc_host *host = cls_dev_to_mmc_host(dev); in mmc_host_classdev_release() local
69 wakeup_source_unregister(host->ws); in mmc_host_classdev_release()
70 if (of_alias_get_id(host->parent->of_node, "mmc") < 0) in mmc_host_classdev_release()
71 ida_free(&mmc_host_ida, host->index); in mmc_host_classdev_release()
72 kfree(host); in mmc_host_classdev_release()
77 struct mmc_host *host = cls_dev_to_mmc_host(dev); in mmc_host_classdev_shutdown() local
79 __mmc_stop_host(host); in mmc_host_classdev_shutdown()
104 void mmc_retune_enable(struct mmc_host *host) in mmc_retune_enable() argument
106 host->can_retune = 1; in mmc_retune_enable()
107 if (host->retune_period) in mmc_retune_enable()
108 mod_timer(&host->retune_timer, in mmc_retune_enable()
109 jiffies + host->retune_period * HZ); in mmc_retune_enable()
116 void mmc_retune_pause(struct mmc_host *host) in mmc_retune_pause() argument
118 if (!host->retune_paused) { in mmc_retune_pause()
119 host->retune_paused = 1; in mmc_retune_pause()
120 mmc_retune_hold(host); in mmc_retune_pause()
125 void mmc_retune_unpause(struct mmc_host *host) in mmc_retune_unpause() argument
127 if (host->retune_paused) { in mmc_retune_unpause()
128 host->retune_paused = 0; in mmc_retune_unpause()
129 mmc_retune_release(host); in mmc_retune_unpause()
140 void mmc_retune_disable(struct mmc_host *host) in mmc_retune_disable() argument
142 mmc_retune_unpause(host); in mmc_retune_disable()
143 host->can_retune = 0; in mmc_retune_disable()
144 timer_delete_sync(&host->retune_timer); in mmc_retune_disable()
145 mmc_retune_clear(host); in mmc_retune_disable()
148 void mmc_retune_timer_stop(struct mmc_host *host) in mmc_retune_timer_stop() argument
150 timer_delete_sync(&host->retune_timer); in mmc_retune_timer_stop()
154 void mmc_retune_hold(struct mmc_host *host) in mmc_retune_hold() argument
156 if (!host->hold_retune) in mmc_retune_hold()
157 host->retune_now = 1; in mmc_retune_hold()
158 host->hold_retune += 1; in mmc_retune_hold()
161 void mmc_retune_release(struct mmc_host *host) in mmc_retune_release() argument
163 if (host->hold_retune) in mmc_retune_release()
164 host->hold_retune -= 1; in mmc_retune_release()
170 int mmc_retune(struct mmc_host *host) in mmc_retune() argument
175 if (host->retune_now) in mmc_retune()
176 host->retune_now = 0; in mmc_retune()
180 if (!host->need_retune || host->doing_retune || !host->card) in mmc_retune()
183 host->need_retune = 0; in mmc_retune()
185 host->doing_retune = 1; in mmc_retune()
187 if (host->ios.timing == MMC_TIMING_MMC_HS400) { in mmc_retune()
188 err = mmc_hs400_to_hs200(host->card); in mmc_retune()
195 err = mmc_execute_tuning(host->card); in mmc_retune()
200 err = mmc_hs200_to_hs400(host->card); in mmc_retune()
202 host->doing_retune = 0; in mmc_retune()
209 struct mmc_host *host = timer_container_of(host, t, retune_timer); in mmc_retune_timer() local
211 mmc_retune_needed(host); in mmc_retune_timer()
265 int mmc_of_parse(struct mmc_host *host) in mmc_of_parse() argument
267 struct device *dev = host->parent; in mmc_of_parse()
276 dev_dbg(host->parent, in mmc_of_parse()
283 host->caps |= MMC_CAP_8_BIT_DATA; in mmc_of_parse()
286 host->caps |= MMC_CAP_4_BIT_DATA; in mmc_of_parse()
291 dev_err(host->parent, in mmc_of_parse()
297 device_property_read_u32(dev, "max-frequency", &host->f_max); in mmc_of_parse()
299 device_property_read_u32(dev, "max-sd-hs-hz", &host->max_sd_hs_hz); in mmc_of_parse()
316 host->caps |= MMC_CAP_NONREMOVABLE; in mmc_of_parse()
319 host->caps2 |= MMC_CAP2_CD_ACTIVE_HIGH; in mmc_of_parse()
326 host->caps |= MMC_CAP_NEEDS_POLL; in mmc_of_parse()
328 ret = mmc_gpiod_request_cd(host, "cd", 0, false, in mmc_of_parse()
331 dev_info(host->parent, "Got CD GPIO\n"); in mmc_of_parse()
339 host->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH; in mmc_of_parse()
341 ret = mmc_gpiod_request_ro(host, "wp", 0, 0); in mmc_of_parse()
343 dev_info(host->parent, "Got WP GPIO\n"); in mmc_of_parse()
348 host->caps2 |= MMC_CAP2_NO_WRITE_PROTECT; in mmc_of_parse()
351 host->caps |= MMC_CAP_SD_HIGHSPEED; in mmc_of_parse()
353 host->caps |= MMC_CAP_MMC_HIGHSPEED; in mmc_of_parse()
355 host->caps |= MMC_CAP_UHS_SDR12; in mmc_of_parse()
357 host->caps |= MMC_CAP_UHS_SDR25; in mmc_of_parse()
359 host->caps |= MMC_CAP_UHS_SDR50; in mmc_of_parse()
361 host->caps |= MMC_CAP_UHS_SDR104; in mmc_of_parse()
363 host->caps |= MMC_CAP_UHS_DDR50; in mmc_of_parse()
365 host->caps |= MMC_CAP_POWER_OFF_CARD; in mmc_of_parse()
367 host->caps |= MMC_CAP_HW_RESET; in mmc_of_parse()
369 host->caps |= MMC_CAP_SDIO_IRQ; in mmc_of_parse()
371 host->caps2 |= MMC_CAP2_FULL_PWR_CYCLE; in mmc_of_parse()
373 host->caps2 |= MMC_CAP2_FULL_PWR_CYCLE_IN_SUSPEND; in mmc_of_parse()
375 host->pm_caps |= MMC_PM_KEEP_POWER; in mmc_of_parse()
377 host->pm_caps |= MMC_PM_WAKE_SDIO_IRQ; in mmc_of_parse()
379 host->caps |= MMC_CAP_3_3V_DDR; in mmc_of_parse()
381 host->caps |= MMC_CAP_1_8V_DDR; in mmc_of_parse()
383 host->caps |= MMC_CAP_1_2V_DDR; in mmc_of_parse()
385 host->caps2 |= MMC_CAP2_HS200_1_8V_SDR; in mmc_of_parse()
387 host->caps2 |= MMC_CAP2_HS200_1_2V_SDR; in mmc_of_parse()
389 host->caps2 |= MMC_CAP2_HS400_1_8V | MMC_CAP2_HS200_1_8V_SDR; in mmc_of_parse()
391 host->caps2 |= MMC_CAP2_HS400_1_2V | MMC_CAP2_HS200_1_2V_SDR; in mmc_of_parse()
393 host->caps2 |= MMC_CAP2_HS400_ES; in mmc_of_parse()
395 host->caps2 |= MMC_CAP2_NO_SDIO; in mmc_of_parse()
397 host->caps2 |= MMC_CAP2_NO_SD; in mmc_of_parse()
399 host->caps2 |= MMC_CAP2_NO_MMC; in mmc_of_parse()
401 host->caps2 &= ~(MMC_CAP2_HS400_1_8V | MMC_CAP2_HS400_1_2V | in mmc_of_parse()
406 if (host->caps & MMC_CAP_NONREMOVABLE) in mmc_of_parse()
407 host->fixed_drv_type = drv_type; in mmc_of_parse()
409 dev_err(host->parent, in mmc_of_parse()
413 host->dsr_req = !device_property_read_u32(dev, "dsr", &host->dsr); in mmc_of_parse()
414 if (host->dsr_req && (host->dsr & ~0xffff)) { in mmc_of_parse()
415 dev_err(host->parent, in mmc_of_parse()
417 host->dsr); in mmc_of_parse()
418 host->dsr_req = 0; in mmc_of_parse()
422 &host->ios.power_delay_ms); in mmc_of_parse()
424 return mmc_pwrseq_alloc(host); in mmc_of_parse()
438 int mmc_of_parse_voltage(struct mmc_host *host, u32 *mask) in mmc_of_parse_voltage() argument
441 struct device *dev = host->parent; in mmc_of_parse_voltage()
515 struct mmc_host *host; in mmc_alloc_host() local
518 host = kzalloc(sizeof(struct mmc_host) + extra, GFP_KERNEL); in mmc_alloc_host()
519 if (!host) in mmc_alloc_host()
523 host->rescan_disable = 1; in mmc_alloc_host()
535 kfree(host); in mmc_alloc_host()
540 host->index = index; in mmc_alloc_host()
542 dev_set_name(&host->class_dev, "mmc%d", host->index); in mmc_alloc_host()
543 host->ws = wakeup_source_register(NULL, dev_name(&host->class_dev)); in mmc_alloc_host()
545 host->parent = dev; in mmc_alloc_host()
546 host->class_dev.parent = dev; in mmc_alloc_host()
547 host->class_dev.class = &mmc_host_class; in mmc_alloc_host()
548 device_initialize(&host->class_dev); in mmc_alloc_host()
549 device_enable_async_suspend(&host->class_dev); in mmc_alloc_host()
551 if (mmc_gpio_alloc(host)) { in mmc_alloc_host()
552 put_device(&host->class_dev); in mmc_alloc_host()
556 spin_lock_init(&host->lock); in mmc_alloc_host()
557 init_waitqueue_head(&host->wq); in mmc_alloc_host()
558 INIT_DELAYED_WORK(&host->detect, mmc_rescan); in mmc_alloc_host()
559 INIT_WORK(&host->sdio_irq_work, sdio_irq_work); in mmc_alloc_host()
560 timer_setup(&host->retune_timer, mmc_retune_timer, 0); in mmc_alloc_host()
562 INIT_WORK(&host->supply.uv_work, mmc_undervoltage_workfn); in mmc_alloc_host()
568 host->max_segs = 1; in mmc_alloc_host()
569 host->max_seg_size = PAGE_SIZE; in mmc_alloc_host()
571 host->max_req_size = PAGE_SIZE; in mmc_alloc_host()
572 host->max_blk_size = 512; in mmc_alloc_host()
573 host->max_blk_count = PAGE_SIZE / 512; in mmc_alloc_host()
575 host->fixed_drv_type = -EINVAL; in mmc_alloc_host()
576 host->ios.power_delay_ms = 10; in mmc_alloc_host()
577 host->ios.power_mode = MMC_POWER_UNDEFINED; in mmc_alloc_host()
579 return host; in mmc_alloc_host()
591 struct mmc_host **dr, *host; in devm_mmc_alloc_host() local
597 host = mmc_alloc_host(extra, dev); in devm_mmc_alloc_host()
598 if (!host) { in devm_mmc_alloc_host()
603 *dr = host; in devm_mmc_alloc_host()
606 return host; in devm_mmc_alloc_host()
610 static int mmc_validate_host_caps(struct mmc_host *host) in mmc_validate_host_caps() argument
612 struct device *dev = host->parent; in mmc_validate_host_caps()
613 u32 caps = host->caps, caps2 = host->caps2; in mmc_validate_host_caps()
615 if (caps & MMC_CAP_SDIO_IRQ && !host->ops->enable_sdio_irq) { in mmc_validate_host_caps()
635 host->caps = caps; in mmc_validate_host_caps()
636 host->caps2 = caps2; in mmc_validate_host_caps()
649 int mmc_add_host(struct mmc_host *host) in mmc_add_host() argument
653 err = mmc_validate_host_caps(host); in mmc_add_host()
657 err = device_add(&host->class_dev); in mmc_add_host()
661 led_trigger_register_simple(dev_name(&host->class_dev), &host->led); in mmc_add_host()
663 mmc_add_host_debugfs(host); in mmc_add_host()
665 mmc_start_host(host); in mmc_add_host()
679 void mmc_remove_host(struct mmc_host *host) in mmc_remove_host() argument
681 mmc_stop_host(host); in mmc_remove_host()
683 mmc_remove_host_debugfs(host); in mmc_remove_host()
685 device_del(&host->class_dev); in mmc_remove_host()
687 led_trigger_unregister_simple(host->led); in mmc_remove_host()
698 void mmc_free_host(struct mmc_host *host) in mmc_free_host() argument
700 cancel_delayed_work_sync(&host->detect); in mmc_free_host()
701 cancel_work_sync(&host->sdio_irq_work); in mmc_free_host()
702 mmc_pwrseq_free(host); in mmc_free_host()
703 put_device(&host->class_dev); in mmc_free_host()