Lines Matching refs:host
38 struct mmc_host *host = cls_dev_to_mmc_host(dev); in mmc_host_classdev_release() local
39 ida_simple_remove(&mmc_host_ida, host->index); in mmc_host_classdev_release()
40 kfree(host); in mmc_host_classdev_release()
58 void mmc_retune_enable(struct mmc_host *host) in mmc_retune_enable() argument
60 host->can_retune = 1; in mmc_retune_enable()
61 if (host->retune_period) in mmc_retune_enable()
62 mod_timer(&host->retune_timer, in mmc_retune_enable()
63 jiffies + host->retune_period * HZ); in mmc_retune_enable()
70 void mmc_retune_pause(struct mmc_host *host) in mmc_retune_pause() argument
72 if (!host->retune_paused) { in mmc_retune_pause()
73 host->retune_paused = 1; in mmc_retune_pause()
74 mmc_retune_needed(host); in mmc_retune_pause()
75 mmc_retune_hold(host); in mmc_retune_pause()
80 void mmc_retune_unpause(struct mmc_host *host) in mmc_retune_unpause() argument
82 if (host->retune_paused) { in mmc_retune_unpause()
83 host->retune_paused = 0; in mmc_retune_unpause()
84 mmc_retune_release(host); in mmc_retune_unpause()
89 void mmc_retune_disable(struct mmc_host *host) in mmc_retune_disable() argument
91 mmc_retune_unpause(host); in mmc_retune_disable()
92 host->can_retune = 0; in mmc_retune_disable()
93 del_timer_sync(&host->retune_timer); in mmc_retune_disable()
94 host->retune_now = 0; in mmc_retune_disable()
95 host->need_retune = 0; in mmc_retune_disable()
98 void mmc_retune_timer_stop(struct mmc_host *host) in mmc_retune_timer_stop() argument
100 del_timer_sync(&host->retune_timer); in mmc_retune_timer_stop()
104 void mmc_retune_hold(struct mmc_host *host) in mmc_retune_hold() argument
106 if (!host->hold_retune) in mmc_retune_hold()
107 host->retune_now = 1; in mmc_retune_hold()
108 host->hold_retune += 1; in mmc_retune_hold()
111 void mmc_retune_release(struct mmc_host *host) in mmc_retune_release() argument
113 if (host->hold_retune) in mmc_retune_release()
114 host->hold_retune -= 1; in mmc_retune_release()
120 int mmc_retune(struct mmc_host *host) in mmc_retune() argument
125 if (host->retune_now) in mmc_retune()
126 host->retune_now = 0; in mmc_retune()
130 if (!host->need_retune || host->doing_retune || !host->card) in mmc_retune()
133 host->need_retune = 0; in mmc_retune()
135 host->doing_retune = 1; in mmc_retune()
137 if (host->ios.timing == MMC_TIMING_MMC_HS400) { in mmc_retune()
138 err = mmc_hs400_to_hs200(host->card); in mmc_retune()
145 err = mmc_execute_tuning(host->card); in mmc_retune()
150 err = mmc_hs200_to_hs400(host->card); in mmc_retune()
152 host->doing_retune = 0; in mmc_retune()
159 struct mmc_host *host = from_timer(host, t, retune_timer); in mmc_retune_timer() local
161 mmc_retune_needed(host); in mmc_retune_timer()
173 int mmc_of_parse(struct mmc_host *host) in mmc_of_parse() argument
175 struct device *dev = host->parent; in mmc_of_parse()
186 dev_dbg(host->parent, in mmc_of_parse()
193 host->caps |= MMC_CAP_8_BIT_DATA; in mmc_of_parse()
196 host->caps |= MMC_CAP_4_BIT_DATA; in mmc_of_parse()
201 dev_err(host->parent, in mmc_of_parse()
207 device_property_read_u32(dev, "max-frequency", &host->f_max); in mmc_of_parse()
223 host->caps |= MMC_CAP_NONREMOVABLE; in mmc_of_parse()
232 host->caps |= MMC_CAP_NEEDS_POLL; in mmc_of_parse()
234 ret = mmc_gpiod_request_cd(host, "cd", 0, false, in mmc_of_parse()
238 dev_info(host->parent, "Got CD GPIO\n"); in mmc_of_parse()
254 host->caps2 |= MMC_CAP2_CD_ACTIVE_HIGH; in mmc_of_parse()
260 ret = mmc_gpiod_request_ro(host, "wp", 0, 0, &ro_gpio_invert); in mmc_of_parse()
262 dev_info(host->parent, "Got WP GPIO\n"); in mmc_of_parse()
267 host->caps2 |= MMC_CAP2_NO_WRITE_PROTECT; in mmc_of_parse()
271 host->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH; in mmc_of_parse()
274 host->caps |= MMC_CAP_SD_HIGHSPEED; in mmc_of_parse()
276 host->caps |= MMC_CAP_MMC_HIGHSPEED; in mmc_of_parse()
278 host->caps |= MMC_CAP_UHS_SDR12; in mmc_of_parse()
280 host->caps |= MMC_CAP_UHS_SDR25; in mmc_of_parse()
282 host->caps |= MMC_CAP_UHS_SDR50; in mmc_of_parse()
284 host->caps |= MMC_CAP_UHS_SDR104; in mmc_of_parse()
286 host->caps |= MMC_CAP_UHS_DDR50; in mmc_of_parse()
288 host->caps |= MMC_CAP_POWER_OFF_CARD; in mmc_of_parse()
290 host->caps |= MMC_CAP_HW_RESET; in mmc_of_parse()
292 host->caps |= MMC_CAP_SDIO_IRQ; in mmc_of_parse()
294 host->caps2 |= MMC_CAP2_FULL_PWR_CYCLE; in mmc_of_parse()
296 host->pm_caps |= MMC_PM_KEEP_POWER; in mmc_of_parse()
299 host->pm_caps |= MMC_PM_WAKE_SDIO_IRQ; in mmc_of_parse()
301 host->caps |= MMC_CAP_3_3V_DDR; in mmc_of_parse()
303 host->caps |= MMC_CAP_1_8V_DDR; in mmc_of_parse()
305 host->caps |= MMC_CAP_1_2V_DDR; in mmc_of_parse()
307 host->caps2 |= MMC_CAP2_HS200_1_8V_SDR; in mmc_of_parse()
309 host->caps2 |= MMC_CAP2_HS200_1_2V_SDR; in mmc_of_parse()
311 host->caps2 |= MMC_CAP2_HS400_1_8V | MMC_CAP2_HS200_1_8V_SDR; in mmc_of_parse()
313 host->caps2 |= MMC_CAP2_HS400_1_2V | MMC_CAP2_HS200_1_2V_SDR; in mmc_of_parse()
315 host->caps2 |= MMC_CAP2_HS400_ES; in mmc_of_parse()
317 host->caps2 |= MMC_CAP2_NO_SDIO; in mmc_of_parse()
319 host->caps2 |= MMC_CAP2_NO_SD; in mmc_of_parse()
321 host->caps2 |= MMC_CAP2_NO_MMC; in mmc_of_parse()
325 if (host->caps & MMC_CAP_NONREMOVABLE) in mmc_of_parse()
326 host->fixed_drv_type = drv_type; in mmc_of_parse()
328 dev_err(host->parent, in mmc_of_parse()
332 host->dsr_req = !device_property_read_u32(dev, "dsr", &host->dsr); in mmc_of_parse()
333 if (host->dsr_req && (host->dsr & ~0xffff)) { in mmc_of_parse()
334 dev_err(host->parent, in mmc_of_parse()
336 host->dsr); in mmc_of_parse()
337 host->dsr_req = 0; in mmc_of_parse()
341 &host->ios.power_delay_ms); in mmc_of_parse()
343 return mmc_pwrseq_alloc(host); in mmc_of_parse()
402 struct mmc_host *host; in mmc_alloc_host() local
404 host = kzalloc(sizeof(struct mmc_host) + extra, GFP_KERNEL); in mmc_alloc_host()
405 if (!host) in mmc_alloc_host()
409 host->rescan_disable = 1; in mmc_alloc_host()
413 kfree(host); in mmc_alloc_host()
417 host->index = err; in mmc_alloc_host()
419 dev_set_name(&host->class_dev, "mmc%d", host->index); in mmc_alloc_host()
421 host->parent = dev; in mmc_alloc_host()
422 host->class_dev.parent = dev; in mmc_alloc_host()
423 host->class_dev.class = &mmc_host_class; in mmc_alloc_host()
424 device_initialize(&host->class_dev); in mmc_alloc_host()
425 device_enable_async_suspend(&host->class_dev); in mmc_alloc_host()
427 if (mmc_gpio_alloc(host)) { in mmc_alloc_host()
428 put_device(&host->class_dev); in mmc_alloc_host()
432 spin_lock_init(&host->lock); in mmc_alloc_host()
433 init_waitqueue_head(&host->wq); in mmc_alloc_host()
434 INIT_DELAYED_WORK(&host->detect, mmc_rescan); in mmc_alloc_host()
435 INIT_DELAYED_WORK(&host->sdio_irq_work, sdio_irq_work); in mmc_alloc_host()
436 timer_setup(&host->retune_timer, mmc_retune_timer, 0); in mmc_alloc_host()
442 host->max_segs = 1; in mmc_alloc_host()
443 host->max_seg_size = PAGE_SIZE; in mmc_alloc_host()
445 host->max_req_size = PAGE_SIZE; in mmc_alloc_host()
446 host->max_blk_size = 512; in mmc_alloc_host()
447 host->max_blk_count = PAGE_SIZE / 512; in mmc_alloc_host()
449 host->fixed_drv_type = -EINVAL; in mmc_alloc_host()
450 host->ios.power_delay_ms = 10; in mmc_alloc_host()
452 return host; in mmc_alloc_host()
465 int mmc_add_host(struct mmc_host *host) in mmc_add_host() argument
469 WARN_ON((host->caps & MMC_CAP_SDIO_IRQ) && in mmc_add_host()
470 !host->ops->enable_sdio_irq); in mmc_add_host()
472 err = device_add(&host->class_dev); in mmc_add_host()
476 led_trigger_register_simple(dev_name(&host->class_dev), &host->led); in mmc_add_host()
479 mmc_add_host_debugfs(host); in mmc_add_host()
482 mmc_start_host(host); in mmc_add_host()
483 mmc_register_pm_notifier(host); in mmc_add_host()
498 void mmc_remove_host(struct mmc_host *host) in mmc_remove_host() argument
500 mmc_unregister_pm_notifier(host); in mmc_remove_host()
501 mmc_stop_host(host); in mmc_remove_host()
504 mmc_remove_host_debugfs(host); in mmc_remove_host()
507 device_del(&host->class_dev); in mmc_remove_host()
509 led_trigger_unregister_simple(host->led); in mmc_remove_host()
520 void mmc_free_host(struct mmc_host *host) in mmc_free_host() argument
522 mmc_pwrseq_free(host); in mmc_free_host()
523 put_device(&host->class_dev); in mmc_free_host()