diff options
Diffstat (limited to 'drivers/scsi/ufs/ufshcd.h')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.h | 46 |
1 files changed, 36 insertions, 10 deletions
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 2570d9477..4bb65669f 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -3,6 +3,7 @@ * * This code is based on drivers/scsi/ufs/ufshcd.h * Copyright (C) 2011-2013 Samsung India Software Operations + * Copyright (c) 2013-2016, The Linux Foundation. All rights reserved. * * Authors: * Santosh Yaraganavi <santosh.sy@samsung.com> @@ -53,6 +54,7 @@ #include <linux/clk.h> #include <linux/completion.h> #include <linux/regulator/consumer.h> +#include "unipro.h" #include <asm/irq.h> #include <asm/byteorder.h> @@ -177,7 +179,7 @@ struct ufshcd_lrb { }; /** - * struct ufs_query - holds relevent data structures for query request + * struct ufs_query - holds relevant data structures for query request * @request: request upiu and function * @descriptor: buffer for sending/receiving descriptor * @response: response upiu and response @@ -382,6 +384,9 @@ struct ufs_init_prefetch { * @clk_list_head: UFS host controller clocks list node head * @pwr_info: holds current power mode * @max_pwr_info: keeps the device max valid pwm + * @urgent_bkops_lvl: keeps track of urgent bkops level for device + * @is_urgent_bkops_lvl_checked: keeps track if the urgent bkops level for + * device is known or not. */ struct ufs_hba { void __iomem *mmio_base; @@ -469,6 +474,9 @@ struct ufs_hba { unsigned int quirks; /* Deviations from standard UFSHCI spec. */ + /* Device deviations from standard UFS device spec. */ + unsigned int dev_quirks; + wait_queue_head_t tm_wq; wait_queue_head_t tm_tag_wq; unsigned long tm_condition; @@ -508,6 +516,8 @@ struct ufs_hba { bool wlun_dev_clr_ua; + /* Number of lanes available (1 or 2) for Rx/Tx */ + u32 lanes_per_direction; struct ufs_pa_layer_attr pwr_info; struct ufs_pwr_mode_info max_pwr_info; @@ -532,6 +542,9 @@ struct ufs_hba { struct devfreq *devfreq; struct ufs_clk_scaling clk_scaling; bool is_sys_suspended; + + enum bkops_status urgent_bkops_lvl; + bool is_urgent_bkops_lvl_checked; }; /* Returns true if clocks can be gated. Otherwise false */ @@ -587,15 +600,9 @@ int ufshcd_alloc_host(struct device *, struct ufs_hba **); void ufshcd_dealloc_host(struct ufs_hba *); int ufshcd_init(struct ufs_hba * , void __iomem * , unsigned int); void ufshcd_remove(struct ufs_hba *); - -/** - * ufshcd_hba_stop - Send controller to reset state - * @hba: per adapter instance - */ -static inline void ufshcd_hba_stop(struct ufs_hba *hba) -{ - ufshcd_writel(hba, CONTROLLER_DISABLE, REG_CONTROLLER_ENABLE); -} +int ufshcd_wait_for_register(struct ufs_hba *hba, u32 reg, u32 mask, + u32 val, unsigned long interval_us, + unsigned long timeout_ms, bool can_sleep); static inline void check_upiu_size(void) { @@ -681,8 +688,27 @@ static inline int ufshcd_dme_peer_get(struct ufs_hba *hba, return ufshcd_dme_get_attr(hba, attr_sel, mib_val, DME_PEER); } +int ufshcd_read_device_desc(struct ufs_hba *hba, u8 *buf, u32 size); + +static inline bool ufshcd_is_hs_mode(struct ufs_pa_layer_attr *pwr_info) +{ + return (pwr_info->pwr_rx == FAST_MODE || + pwr_info->pwr_rx == FASTAUTO_MODE) && + (pwr_info->pwr_tx == FAST_MODE || + pwr_info->pwr_tx == FASTAUTO_MODE); +} + +#define ASCII_STD true + +int ufshcd_read_string_desc(struct ufs_hba *hba, int desc_index, u8 *buf, + u32 size, bool ascii); + +/* Expose Query-Request API */ +int ufshcd_query_flag(struct ufs_hba *hba, enum query_opcode opcode, + enum flag_idn idn, bool *flag_res); int ufshcd_hold(struct ufs_hba *hba, bool async); void ufshcd_release(struct ufs_hba *hba); +u32 ufshcd_get_local_unipro_ver(struct ufs_hba *hba); /* Wrapper functions for safely calling variant operations */ static inline const char *ufshcd_get_var_name(struct ufs_hba *hba) |