Lines Matching +full:needs +full:- +full:reset +full:- +full:on +full:- +full:resume
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
4 * Copyright (C) 2011-2013 Samsung India Software Operations
5 * Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
16 #include <linux/blk-crypto-profile.h>
17 #include <linux/blk-mq.h>
21 #include <linux/dma-direction.h>
65 * struct uic_command - UIC command structure
89 /* Host <-> Device UniPro Link state */
97 #define ufshcd_is_link_off(hba) ((hba)->uic_link_state == UIC_LINK_OFF_STATE)
98 #define ufshcd_is_link_active(hba) ((hba)->uic_link_state == \
100 #define ufshcd_is_link_hibern8(hba) ((hba)->uic_link_state == \
102 #define ufshcd_is_link_broken(hba) ((hba)->uic_link_state == \
104 #define ufshcd_set_link_off(hba) ((hba)->uic_link_state = UIC_LINK_OFF_STATE)
105 #define ufshcd_set_link_active(hba) ((hba)->uic_link_state = \
107 #define ufshcd_set_link_hibern8(hba) ((hba)->uic_link_state = \
109 #define ufshcd_set_link_broken(hba) ((hba)->uic_link_state = \
113 ((h)->curr_dev_pwr_mode = UFS_ACTIVE_PWR_MODE)
115 ((h)->curr_dev_pwr_mode = UFS_SLEEP_PWR_MODE)
117 ((h)->curr_dev_pwr_mode = UFS_POWERDOWN_PWR_MODE)
119 ((h)->curr_dev_pwr_mode = UFS_DEEPSLEEP_PWR_MODE)
121 ((h)->curr_dev_pwr_mode == UFS_ACTIVE_PWR_MODE)
123 ((h)->curr_dev_pwr_mode == UFS_SLEEP_PWR_MODE)
125 ((h)->curr_dev_pwr_mode == UFS_POWERDOWN_PWR_MODE)
127 ((h)->curr_dev_pwr_mode == UFS_DEEPSLEEP_PWR_MODE)
132 * which is lower than PowerDown with power on but not PowerDown with
152 * struct ufshcd_lrb - local reference block
171 * @crypto_key_slot: the key slot to use for inline crypto (-1 if none)
191 u8 lun; /* UPIU LUN id field is only 8-bit wide */
206 * struct ufs_query_req - parameters for building a query request
216 * struct ufs_query_resp - UPIU QUERY
225 * struct ufs_query - holds relevant data structures for query request
237 * struct ufs_dev_cmd - all assosiated fields with device management commands
238 * @type: device management command type - Query, NOP OUT
251 * struct ufs_clk_info - UFS clock related info
252 * @list: list headed by hba->clk_list_head
294 * struct ufs_hba_variant_ops - variant specific callbacks
302 * variant specific Uni-Pro initialization.
304 * to allow variant specific Uni-Pro initialization.
316 * @resume: called during host controller PM callback
319 * @device_reset: called to issue a reset pulse on the UFS device
356 int (*resume)(struct ufs_hba *, enum ufs_pm_op); member
385 * struct ufs_clk_gating - UFS clock gating related info
388 * @ungate_work: worker to turn on clocks that will be used in case of
393 * during suspend/resume
417 * struct ufs_clk_scaling - UFS clock scaling related data
419 * devfreq ->target() function is called then schedule "suspend_work" to
427 * @workq: workqueue to schedule devfreq suspend/resume work
429 * @resume_work: worker to resume devfreq
459 * struct ufs_event_hist - keeps history of errors
473 * struct ufs_stats - keeps usage/err statistics
477 * reset this after link-startup.
492 * enum ufshcd_state - UFS host controller state
526 * the LCC transmission on UFS device (by clearing TX_LCC_ENABLE
539 * This quirk needs to be enabled if the host controller only allows
546 * This quirk needs to be enabled if the host controller doesn't
559 * This quirk needs to be enabled if host controller doesn't allow
560 * that the interrupt aggregation timer and counter are reset by s/w.
565 * This quirks needs to be enabled if host controller cannot be
571 * This quirk needs to be enabled if the host controller regards
577 * This quirk needs to be enabled if the host controller reports
583 * This quirk needs to be enabled if the host controller has
584 * auto-hibernate capability but it doesn't work.
589 * This quirk needs to disable manual flush for write booster
594 * This quirk needs to disable unipro timeout values
600 * Align DMA SG entries on a 4 KiB boundary.
605 * This quirk needs to be enabled if the host controller does not
611 * This quirk needs to be enabled if the host controller cannot
617 * This quirk needs to be enabled if the host controller has
618 * 64-bit addressing supported capability but it doesn't work.
623 * This quirk needs to be enabled if the host controller has
624 * auto-hibernate capability but it's FASTAUTO only.
629 * This quirk needs to be enabled if the host controller needs
669 * This capability allows the device auto-bkops to be always enabled
685 * This capability allows the host controller driver to turn-on
707 * support device hardware reset via the hba->device_reset() callback,
752 * struct ufshcd_res_info_t - MCQ related resource regions
776 * struct ufshcd_mcq_opr_info_t - Operation and Runtime registers
797 * struct ufs_hba - per adapter private structure
814 * @ahit: value of Auto-Hibernate Idle Timer register.
850 * @eh_wq: Workqueue that eh_work works on
858 * @force_reset: flag to force eh_work perform a full reset
877 * @system_suspending: system suspend has been started and system resume has
944 /* Auto-Hibernate Idle Timer register value */
1076 * struct ufs_hw_queue - per hardware queue structure
1117 return hba->mcq_enabled; in is_mcq_enabled()
1123 return hba->sg_entry_size; in ufshcd_sg_entry_size()
1129 hba->sg_entry_size = sg_entry_size; in ufshcd_set_sg_entry_size()
1149 return hba->caps & UFSHCD_CAP_CLK_GATING; in ufshcd_is_clkgating_allowed()
1153 return hba->caps & UFSHCD_CAP_HIBERN8_WITH_CLK_GATING; in ufshcd_can_hibern8_during_gating()
1157 return hba->caps & UFSHCD_CAP_CLK_SCALING; in ufshcd_is_clkscaling_supported()
1161 return hba->caps & UFSHCD_CAP_AUTO_BKOPS_SUSPEND; in ufshcd_can_autobkops_during_suspend()
1165 return hba->caps & UFSHCD_CAP_RPM_AUTOSUSPEND; in ufshcd_is_rpm_autosuspend_allowed()
1170 return (hba->caps & UFSHCD_CAP_INTR_AGGR) && in ufshcd_is_intr_aggr_allowed()
1171 !(hba->quirks & UFSHCD_QUIRK_BROKEN_INTR_AGGR); in ufshcd_is_intr_aggr_allowed()
1177 (hba->caps & UFSHCD_CAP_AGGR_POWER_COLLAPSE)); in ufshcd_can_aggressive_pc()
1182 return (hba->capabilities & MASK_AUTO_HIBERN8_SUPPORT) && in ufshcd_is_auto_hibern8_supported()
1183 !(hba->quirks & UFSHCD_QUIRK_BROKEN_AUTO_HIBERN8); in ufshcd_is_auto_hibern8_supported()
1188 return FIELD_GET(UFSHCI_AHIBERN8_TIMER_MASK, hba->ahit); in ufshcd_is_auto_hibern8_enabled()
1193 return hba->caps & UFSHCD_CAP_WB_EN; in ufshcd_is_wb_allowed()
1198 return hba->caps & UFSHCD_CAP_WB_WITH_CLK_SCALING; in ufshcd_enable_wb_if_scaling_up()
1202 writel((val), (hba)->mcq_base + (reg))
1204 readl((hba)->mcq_base + (reg))
1207 writel_relaxed((val), (hba)->mcq_base + (reg))
1209 readl_relaxed((hba)->mcq_base + (reg))
1212 writel((val), (hba)->mmio_base + (reg))
1214 readl((hba)->mmio_base + (reg))
1217 * ufshcd_rmwl - perform read/modify/write for a controller register
1219 * @mask: mask to apply on read value
1257 * ufshcd_set_variant - set variant specific data to the hba
1264 hba->priv = variant; in ufshcd_set_variant()
1268 * ufshcd_get_variant - get variant specific data from the hba
1274 return hba->priv; in ufshcd_get_variant()
1348 return (pwr_info->pwr_rx == FAST_MODE || in ufshcd_is_hs_mode()
1349 pwr_info->pwr_rx == FASTAUTO_MODE) && in ufshcd_is_hs_mode()
1350 (pwr_info->pwr_tx == FAST_MODE || in ufshcd_is_hs_mode()
1351 pwr_info->pwr_tx == FASTAUTO_MODE); in ufshcd_is_hs_mode()
1393 if (hba->vops && hba->vops->init) in ufshcd_vops_init()
1394 return hba->vops->init(hba); in ufshcd_vops_init()
1401 if (hba->vops && hba->vops->phy_initialization) in ufshcd_vops_phy_initialization()
1402 return hba->vops->phy_initialization(hba); in ufshcd_vops_phy_initialization()