Lines Matching +full:down +full:- +full:scaling
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>
61 * struct uic_command - UIC command structure
85 /* Host <-> Device UniPro Link state */
87 UIC_LINK_OFF_STATE = 0, /* Link powered down or disabled */
93 #define ufshcd_is_link_off(hba) ((hba)->uic_link_state == UIC_LINK_OFF_STATE)
94 #define ufshcd_is_link_active(hba) ((hba)->uic_link_state == \
96 #define ufshcd_is_link_hibern8(hba) ((hba)->uic_link_state == \
98 #define ufshcd_is_link_broken(hba) ((hba)->uic_link_state == \
100 #define ufshcd_set_link_off(hba) ((hba)->uic_link_state = UIC_LINK_OFF_STATE)
101 #define ufshcd_set_link_active(hba) ((hba)->uic_link_state = \
103 #define ufshcd_set_link_hibern8(hba) ((hba)->uic_link_state = \
105 #define ufshcd_set_link_broken(hba) ((hba)->uic_link_state = \
109 ((h)->curr_dev_pwr_mode = UFS_ACTIVE_PWR_MODE)
111 ((h)->curr_dev_pwr_mode = UFS_SLEEP_PWR_MODE)
113 ((h)->curr_dev_pwr_mode = UFS_POWERDOWN_PWR_MODE)
115 ((h)->curr_dev_pwr_mode = UFS_DEEPSLEEP_PWR_MODE)
117 ((h)->curr_dev_pwr_mode == UFS_ACTIVE_PWR_MODE)
119 ((h)->curr_dev_pwr_mode == UFS_SLEEP_PWR_MODE)
121 ((h)->curr_dev_pwr_mode == UFS_POWERDOWN_PWR_MODE)
123 ((h)->curr_dev_pwr_mode == UFS_DEEPSLEEP_PWR_MODE)
148 * struct ufshcd_lrb - local reference block
167 * @crypto_key_slot: the key slot to use for inline crypto (-1 if none)
187 u8 lun; /* UPIU LUN id field is only 8-bit wide */
202 * struct ufs_query - holds relevant data structures for query request
214 * struct ufs_dev_cmd - all assosiated fields with device management commands
215 * @type: device management command type - Query, NOP OUT
228 * struct ufs_clk_info - UFS clock related info
229 * @list: list headed by hba->clk_list_head
233 * @min_freq: min frequency that can be used for clock scaling
271 * struct ufs_hba_variant_ops - variant specific callbacks
276 * @clk_scale_notify: notifies that clks are scaled up/down
279 * variant specific Uni-Pro initialization.
281 * to allow variant specific Uni-Pro initialization.
297 * @config_scaling_param: called to configure clock scaling parameters
349 * struct ufs_clk_gating - UFS clock gating related info
386 * struct ufs_clk_scaling - UFS clock scaling related data
388 * devfreq ->target() function is called then schedule "suspend_work" to
393 * @enable_attr: sysfs attribute to enable/disable clock scaling
394 * @saved_pwr_info: UFS power mode may also be changed during scaling and this
399 * @min_gear: lowest HS gear to scale down to
400 * @is_enabled: tracks if scaling is currently enabled or not, controlled by
402 * @is_allowed: tracks if scaling is currently allowed or not, used to block
403 * clock scaling which is not invoked from devfreq governor
404 * @is_initialized: Indicates whether clock scaling is initialized or not
428 * struct ufs_event_hist - keeps history of errors
442 * struct ufs_stats - keeps usage/err statistics
446 * reset this after link-startup.
461 * enum ufshcd_state - UFS host controller state
553 * auto-hibernate capability but it doesn't work.
587 * 64-bit addressing supported capability but it doesn't work.
593 * auto-hibernate capability but it's FASTAUTO only.
605 /* Allow dynamic clk scaling */
619 * This capability allows the device auto-bkops to be always enabled
635 * This capability allows the host controller driver to turn-on
657 * support device hardware reset via the hba->device_reset() callback,
669 * Enable WriteBooster when scaling up the clock and disable
670 * WriteBooster when scaling the clock down.
684 * struct ufshpb_dev_info - UFSHPB device related info
688 * @srgn_size: device reported HPB sub-region size
727 * struct ufs_hba - per adapter private structure
744 * @ahit: value of Auto-Hibernate Idle Timer register.
803 * @devfreq: frequency scaling information owned by the devfreq core
804 * @clk_scaling: frequency scaling information owned by the UFS driver
809 * @clk_scaling_lock: used to serialize device commands and clock scaling
861 /* Auto-Hibernate Idle Timer register value */
983 return hba->caps & UFSHCD_CAP_CLK_GATING; in ufshcd_is_clkgating_allowed()
987 return hba->caps & UFSHCD_CAP_HIBERN8_WITH_CLK_GATING; in ufshcd_can_hibern8_during_gating()
991 return hba->caps & UFSHCD_CAP_CLK_SCALING; in ufshcd_is_clkscaling_supported()
995 return hba->caps & UFSHCD_CAP_AUTO_BKOPS_SUSPEND; in ufshcd_can_autobkops_during_suspend()
999 return hba->caps & UFSHCD_CAP_RPM_AUTOSUSPEND; in ufshcd_is_rpm_autosuspend_allowed()
1004 return (hba->caps & UFSHCD_CAP_INTR_AGGR) && in ufshcd_is_intr_aggr_allowed()
1005 !(hba->quirks & UFSHCD_QUIRK_BROKEN_INTR_AGGR); in ufshcd_is_intr_aggr_allowed()
1011 (hba->caps & UFSHCD_CAP_AGGR_POWER_COLLAPSE)); in ufshcd_can_aggressive_pc()
1016 return (hba->capabilities & MASK_AUTO_HIBERN8_SUPPORT) && in ufshcd_is_auto_hibern8_supported()
1017 !(hba->quirks & UFSHCD_QUIRK_BROKEN_AUTO_HIBERN8); in ufshcd_is_auto_hibern8_supported()
1022 return FIELD_GET(UFSHCI_AHIBERN8_TIMER_MASK, hba->ahit); in ufshcd_is_auto_hibern8_enabled()
1027 return hba->caps & UFSHCD_CAP_WB_EN; in ufshcd_is_wb_allowed()
1032 return hba->caps & UFSHCD_CAP_WB_WITH_CLK_SCALING; in ufshcd_enable_wb_if_scaling_up()
1036 writel((val), (hba)->mmio_base + (reg))
1038 readl((hba)->mmio_base + (reg))
1041 * ufshcd_rmwl - perform read/modify/write for a controller register
1079 * ufshcd_set_variant - set variant specific data to the hba
1086 hba->priv = variant; in ufshcd_set_variant()
1090 * ufshcd_get_variant - get variant specific data from the hba
1096 return hba->priv; in ufshcd_get_variant()
1167 return (pwr_info->pwr_rx == FAST_MODE || in ufshcd_is_hs_mode()
1168 pwr_info->pwr_rx == FASTAUTO_MODE) && in ufshcd_is_hs_mode()
1169 (pwr_info->pwr_tx == FAST_MODE || in ufshcd_is_hs_mode()
1170 pwr_info->pwr_tx == FASTAUTO_MODE); in ufshcd_is_hs_mode()
1217 if (hba->vops && hba->vops->init) in ufshcd_vops_init()
1218 return hba->vops->init(hba); in ufshcd_vops_init()
1225 if (hba->vops && hba->vops->phy_initialization) in ufshcd_vops_phy_initialization()
1226 return hba->vops->phy_initialization(hba); in ufshcd_vops_phy_initialization()