Lines Matching refs:host
41 struct mmc_host *host = cls_dev_to_mmc_host(dev); in mmc_host_classdev_release() local
42 ida_simple_remove(&mmc_host_ida, host->index); in mmc_host_classdev_release()
43 kfree(host); in mmc_host_classdev_release()
61 void mmc_retune_enable(struct mmc_host *host) in mmc_retune_enable() argument
63 host->can_retune = 1; in mmc_retune_enable()
64 if (host->retune_period) in mmc_retune_enable()
65 mod_timer(&host->retune_timer, in mmc_retune_enable()
66 jiffies + host->retune_period * HZ); in mmc_retune_enable()
73 void mmc_retune_pause(struct mmc_host *host) in mmc_retune_pause() argument
75 if (!host->retune_paused) { in mmc_retune_pause()
76 host->retune_paused = 1; in mmc_retune_pause()
77 mmc_retune_needed(host); in mmc_retune_pause()
78 mmc_retune_hold(host); in mmc_retune_pause()
83 void mmc_retune_unpause(struct mmc_host *host) in mmc_retune_unpause() argument
85 if (host->retune_paused) { in mmc_retune_unpause()
86 host->retune_paused = 0; in mmc_retune_unpause()
87 mmc_retune_release(host); in mmc_retune_unpause()
92 void mmc_retune_disable(struct mmc_host *host) in mmc_retune_disable() argument
94 mmc_retune_unpause(host); in mmc_retune_disable()
95 host->can_retune = 0; in mmc_retune_disable()
96 del_timer_sync(&host->retune_timer); in mmc_retune_disable()
97 host->retune_now = 0; in mmc_retune_disable()
98 host->need_retune = 0; in mmc_retune_disable()
101 void mmc_retune_timer_stop(struct mmc_host *host) in mmc_retune_timer_stop() argument
103 del_timer_sync(&host->retune_timer); in mmc_retune_timer_stop()
107 void mmc_retune_hold(struct mmc_host *host) in mmc_retune_hold() argument
109 if (!host->hold_retune) in mmc_retune_hold()
110 host->retune_now = 1; in mmc_retune_hold()
111 host->hold_retune += 1; in mmc_retune_hold()
114 void mmc_retune_release(struct mmc_host *host) in mmc_retune_release() argument
116 if (host->hold_retune) in mmc_retune_release()
117 host->hold_retune -= 1; in mmc_retune_release()
123 int mmc_retune(struct mmc_host *host) in mmc_retune() argument
128 if (host->retune_now) in mmc_retune()
129 host->retune_now = 0; in mmc_retune()
133 if (!host->need_retune || host->doing_retune || !host->card) in mmc_retune()
136 host->need_retune = 0; in mmc_retune()
138 host->doing_retune = 1; in mmc_retune()
140 if (host->ios.timing == MMC_TIMING_MMC_HS400) { in mmc_retune()
141 err = mmc_hs400_to_hs200(host->card); in mmc_retune()
148 err = mmc_execute_tuning(host->card); in mmc_retune()
153 err = mmc_hs200_to_hs400(host->card); in mmc_retune()
155 host->doing_retune = 0; in mmc_retune()
162 struct mmc_host *host = from_timer(host, t, retune_timer); in mmc_retune_timer() local
164 mmc_retune_needed(host); in mmc_retune_timer()
176 int mmc_of_parse(struct mmc_host *host) in mmc_of_parse() argument
178 struct device *dev = host->parent; in mmc_of_parse()
189 dev_dbg(host->parent, in mmc_of_parse()
196 host->caps |= MMC_CAP_8_BIT_DATA; in mmc_of_parse()
199 host->caps |= MMC_CAP_4_BIT_DATA; in mmc_of_parse()
204 dev_err(host->parent, in mmc_of_parse()
210 device_property_read_u32(dev, "max-frequency", &host->f_max); in mmc_of_parse()
226 host->caps |= MMC_CAP_NONREMOVABLE; in mmc_of_parse()
235 host->caps |= MMC_CAP_NEEDS_POLL; in mmc_of_parse()
237 ret = mmc_gpiod_request_cd(host, "cd", 0, true, in mmc_of_parse()
241 dev_info(host->parent, "Got CD GPIO\n"); in mmc_of_parse()
257 host->caps2 |= MMC_CAP2_CD_ACTIVE_HIGH; in mmc_of_parse()
263 ret = mmc_gpiod_request_ro(host, "wp", 0, false, 0, &ro_gpio_invert); in mmc_of_parse()
265 dev_info(host->parent, "Got WP GPIO\n"); in mmc_of_parse()
270 host->caps2 |= MMC_CAP2_NO_WRITE_PROTECT; in mmc_of_parse()
274 host->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH; in mmc_of_parse()
277 host->caps |= MMC_CAP_SD_HIGHSPEED; in mmc_of_parse()
279 host->caps |= MMC_CAP_MMC_HIGHSPEED; in mmc_of_parse()
281 host->caps |= MMC_CAP_UHS_SDR12; in mmc_of_parse()
283 host->caps |= MMC_CAP_UHS_SDR25; in mmc_of_parse()
285 host->caps |= MMC_CAP_UHS_SDR50; in mmc_of_parse()
287 host->caps |= MMC_CAP_UHS_SDR104; in mmc_of_parse()
289 host->caps |= MMC_CAP_UHS_DDR50; in mmc_of_parse()
291 host->caps |= MMC_CAP_POWER_OFF_CARD; in mmc_of_parse()
293 host->caps |= MMC_CAP_HW_RESET; in mmc_of_parse()
295 host->caps |= MMC_CAP_SDIO_IRQ; in mmc_of_parse()
297 host->caps2 |= MMC_CAP2_FULL_PWR_CYCLE; in mmc_of_parse()
299 host->pm_caps |= MMC_PM_KEEP_POWER; in mmc_of_parse()
302 host->pm_caps |= MMC_PM_WAKE_SDIO_IRQ; in mmc_of_parse()
304 host->caps |= MMC_CAP_3_3V_DDR; in mmc_of_parse()
306 host->caps |= MMC_CAP_1_8V_DDR; in mmc_of_parse()
308 host->caps |= MMC_CAP_1_2V_DDR; in mmc_of_parse()
310 host->caps2 |= MMC_CAP2_HS200_1_8V_SDR; in mmc_of_parse()
312 host->caps2 |= MMC_CAP2_HS200_1_2V_SDR; in mmc_of_parse()
314 host->caps2 |= MMC_CAP2_HS400_1_8V | MMC_CAP2_HS200_1_8V_SDR; in mmc_of_parse()
316 host->caps2 |= MMC_CAP2_HS400_1_2V | MMC_CAP2_HS200_1_2V_SDR; in mmc_of_parse()
318 host->caps2 |= MMC_CAP2_HS400_ES; in mmc_of_parse()
320 host->caps2 |= MMC_CAP2_NO_SDIO; in mmc_of_parse()
322 host->caps2 |= MMC_CAP2_NO_SD; in mmc_of_parse()
324 host->caps2 |= MMC_CAP2_NO_MMC; in mmc_of_parse()
328 if (host->caps & MMC_CAP_NONREMOVABLE) in mmc_of_parse()
329 host->fixed_drv_type = drv_type; in mmc_of_parse()
331 dev_err(host->parent, in mmc_of_parse()
335 host->dsr_req = !device_property_read_u32(dev, "dsr", &host->dsr); in mmc_of_parse()
336 if (host->dsr_req && (host->dsr & ~0xffff)) { in mmc_of_parse()
337 dev_err(host->parent, in mmc_of_parse()
339 host->dsr); in mmc_of_parse()
340 host->dsr_req = 0; in mmc_of_parse()
344 &host->ios.power_delay_ms); in mmc_of_parse()
346 return mmc_pwrseq_alloc(host); in mmc_of_parse()
361 struct mmc_host *host; in mmc_alloc_host() local
363 host = kzalloc(sizeof(struct mmc_host) + extra, GFP_KERNEL); in mmc_alloc_host()
364 if (!host) in mmc_alloc_host()
368 host->rescan_disable = 1; in mmc_alloc_host()
372 kfree(host); in mmc_alloc_host()
376 host->index = err; in mmc_alloc_host()
378 dev_set_name(&host->class_dev, "mmc%d", host->index); in mmc_alloc_host()
380 host->parent = dev; in mmc_alloc_host()
381 host->class_dev.parent = dev; in mmc_alloc_host()
382 host->class_dev.class = &mmc_host_class; in mmc_alloc_host()
383 device_initialize(&host->class_dev); in mmc_alloc_host()
384 device_enable_async_suspend(&host->class_dev); in mmc_alloc_host()
386 if (mmc_gpio_alloc(host)) { in mmc_alloc_host()
387 put_device(&host->class_dev); in mmc_alloc_host()
388 ida_simple_remove(&mmc_host_ida, host->index); in mmc_alloc_host()
389 kfree(host); in mmc_alloc_host()
393 spin_lock_init(&host->lock); in mmc_alloc_host()
394 init_waitqueue_head(&host->wq); in mmc_alloc_host()
395 INIT_DELAYED_WORK(&host->detect, mmc_rescan); in mmc_alloc_host()
396 INIT_DELAYED_WORK(&host->sdio_irq_work, sdio_irq_work); in mmc_alloc_host()
397 timer_setup(&host->retune_timer, mmc_retune_timer, 0); in mmc_alloc_host()
403 host->max_segs = 1; in mmc_alloc_host()
404 host->max_seg_size = PAGE_SIZE; in mmc_alloc_host()
406 host->max_req_size = PAGE_SIZE; in mmc_alloc_host()
407 host->max_blk_size = 512; in mmc_alloc_host()
408 host->max_blk_count = PAGE_SIZE / 512; in mmc_alloc_host()
410 host->fixed_drv_type = -EINVAL; in mmc_alloc_host()
411 host->ios.power_delay_ms = 10; in mmc_alloc_host()
413 return host; in mmc_alloc_host()
426 int mmc_add_host(struct mmc_host *host) in mmc_add_host() argument
430 WARN_ON((host->caps & MMC_CAP_SDIO_IRQ) && in mmc_add_host()
431 !host->ops->enable_sdio_irq); in mmc_add_host()
433 err = device_add(&host->class_dev); in mmc_add_host()
437 led_trigger_register_simple(dev_name(&host->class_dev), &host->led); in mmc_add_host()
440 mmc_add_host_debugfs(host); in mmc_add_host()
443 mmc_start_host(host); in mmc_add_host()
444 mmc_register_pm_notifier(host); in mmc_add_host()
459 void mmc_remove_host(struct mmc_host *host) in mmc_remove_host() argument
461 mmc_unregister_pm_notifier(host); in mmc_remove_host()
462 mmc_stop_host(host); in mmc_remove_host()
465 mmc_remove_host_debugfs(host); in mmc_remove_host()
468 device_del(&host->class_dev); in mmc_remove_host()
470 led_trigger_unregister_simple(host->led); in mmc_remove_host()
481 void mmc_free_host(struct mmc_host *host) in mmc_free_host() argument
483 mmc_pwrseq_free(host); in mmc_free_host()
484 put_device(&host->class_dev); in mmc_free_host()