1 // SPDX-License-Identifier: GPL-2.0
85 	if (be16_to_cpu(desc->feature_code) != 3) {  in zpodd_get_mech_type()
90 	if (desc->mech_type == 0 && desc->load == 0 && desc->eject == 1) {  in zpodd_get_mech_type()
93 	} else if (desc->mech_type == 1 && desc->load == 0 &&  in zpodd_get_mech_type()
94 		   desc->eject == 1) {  in zpodd_get_mech_type()
108 	struct zpodd *zpodd = dev->zpodd;  in zpready()
115 	sense_buf = dev->sector_buf;  in zpready()
132 	if (zpodd->mech_type == ODD_MECH_TYPE_SLOT)  in zpready()
141  * Update the zpodd->zp_ready field. This field will only be set
144  * is set, it will be cleared during resume from powered off state.
148 	struct zpodd *zpodd = dev->zpodd;  in zpodd_on_suspend()
152 		zpodd->zp_sampled = false;  in zpodd_on_suspend()
153 		zpodd->zp_ready = false;  in zpodd_on_suspend()
157 	if (!zpodd->zp_sampled) {  in zpodd_on_suspend()
158 		zpodd->zp_sampled = true;  in zpodd_on_suspend()
159 		zpodd->last_ready = jiffies;  in zpodd_on_suspend()
163 	expires = zpodd->last_ready + secs_to_jiffies(zpodd_poweroff_delay);  in zpodd_on_suspend()
167 	zpodd->zp_ready = true;  in zpodd_on_suspend()
172 	struct zpodd *zpodd = dev->zpodd;  in zpodd_zpready()
173 	return zpodd->zp_ready;  in zpodd_zpready()
178  * this flag will be used during resume to decide what operations are needed
181  * Also, media poll needs to be silenced, so that it doesn't bring the ODD
186 	struct zpodd *zpodd = dev->zpodd;  in zpodd_enable_run_wake()
188 	sdev_disable_disk_events(dev->sdev);  in zpodd_enable_run_wake()
190 	zpodd->powered_off = true;  in zpodd_enable_run_wake()
191 	acpi_pm_set_device_wakeup(&dev->tdev, true);  in zpodd_enable_run_wake()
197 	struct zpodd *zpodd = dev->zpodd;  in zpodd_disable_run_wake()
199 	if (zpodd->powered_off)  in zpodd_disable_run_wake()
200 		acpi_pm_set_device_wakeup(&dev->tdev, false);  in zpodd_disable_run_wake()
204  * Post power on processing after the ODD has been recovered. If the
207  * For drawer type ODD, if it is powered on due to user pressed the
208  * eject button, the tray needs to be ejected. This can only be done
210  * device is able to process NON_DATA PIO command, as eject needs to
214  * zpodd_wake_dev represents if power on is due to user's action.
216  * For both types of ODD, several fields need to be reset.
220 	struct zpodd *zpodd = dev->zpodd;  in zpodd_post_poweron()
222 	if (!zpodd->powered_off)  in zpodd_post_poweron()
225 	zpodd->powered_off = false;  in zpodd_post_poweron()
227 	if (zpodd->from_notify) {  in zpodd_post_poweron()
228 		zpodd->from_notify = false;  in zpodd_post_poweron()
229 		if (zpodd->mech_type == ODD_MECH_TYPE_DRAWER)  in zpodd_post_poweron()
233 	zpodd->zp_sampled = false;  in zpodd_post_poweron()
234 	zpodd->zp_ready = false;  in zpodd_post_poweron()
236 	sdev_enable_disk_events(dev->sdev);  in zpodd_post_poweron()
242 	struct zpodd *zpodd = ata_dev->zpodd;  in zpodd_wake_dev()
243 	struct device *dev = &ata_dev->sdev->sdev_gendev;  in zpodd_wake_dev()
246 		zpodd->from_notify = true;  in zpodd_wake_dev()
266 	struct acpi_device *adev = ACPI_COMPANION(&dev->tdev);  in zpodd_init()
270 	if (dev->zpodd || !adev || !acpi_device_can_poweroff(adev))  in zpodd_init()
281 	zpodd->mech_type = mech_type;  in zpodd_init()
284 	zpodd->dev = dev;  in zpodd_init()
285 	dev->zpodd = zpodd;  in zpodd_init()
286 	dev_pm_qos_expose_flags(&dev->tdev, 0);  in zpodd_init()
292 	kfree(dev->zpodd);  in zpodd_exit()
293 	dev->zpodd = NULL;  in zpodd_exit()