| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Alim Akhtar | 883 | 88.12% | 3 | 21.43% |
| Chanho Park | 75 | 7.49% | 5 | 35.71% |
| Peter Griffin | 40 | 3.99% | 5 | 35.71% |
| Bart Van Assche | 4 | 0.40% | 1 | 7.14% |
| Total | 1002 | 14 |
/* SPDX-License-Identifier: GPL-2.0-only */ /* * UFS Host Controller driver for Exynos specific extensions * * Copyright (C) 2014-2015 Samsung Electronics Co., Ltd. * */ #ifndef _UFS_EXYNOS_H_ #define _UFS_EXYNOS_H_ /* * Component registers */ #define COMP_CLK_PERIOD 0x44 /* * UNIPRO registers */ #define UNIPRO_DBG_FORCE_DME_CTRL_STATE 0x150 /* * MIBs for PA debug registers */ #define PA_DBG_CLK_PERIOD 0x9514 #define PA_DBG_TXPHY_CFGUPDT 0x9518 #define PA_DBG_RXPHY_CFGUPDT 0x9519 #define PA_DBG_MODE 0x9529 #define PA_DBG_SKIP_RESET_PHY 0x9539 #define PA_DBG_AUTOMODE_THLD 0x9536 #define PA_DBG_OV_TM 0x9540 #define PA_DBG_SKIP_LINE_RESET 0x9541 #define PA_DBG_LINE_RESET_REQ 0x9543 #define PA_DBG_OPTION_SUITE 0x9564 #define PA_DBG_OPTION_SUITE_DYN 0x9565 /* * Note: GS101_DBG_OPTION offsets below differ from the TRM * but match the downstream driver. Following the TRM * results in non-functioning UFS. */ #define PA_GS101_DBG_OPTION_SUITE1 0x956a #define PA_GS101_DBG_OPTION_SUITE2 0x956d /* * MIBs for Transport Layer debug registers */ #define T_DBG_SKIP_INIT_HIBERN8_EXIT 0xc001 /* * Exynos MPHY attributes */ #define TX_LINERESET_N_VAL 0x0277 #define TX_LINERESET_N(v) (((v) >> 10) & 0xFF) #define TX_LINERESET_P_VAL 0x027D #define TX_LINERESET_P(v) (((v) >> 12) & 0xFF) #define TX_OV_SLEEP_CNT_TIMER 0x028E #define TX_OV_H8_ENTER_EN (1 << 7) #define TX_OV_SLEEP_CNT(v) (((v) >> 5) & 0x7F) #define TX_HIGH_Z_CNT_11_08 0x028C #define TX_HIGH_Z_CNT_H(v) (((v) >> 8) & 0xF) #define TX_HIGH_Z_CNT_07_00 0x028D #define TX_HIGH_Z_CNT_L(v) ((v) & 0xFF) #define TX_BASE_NVAL_07_00 0x0293 #define TX_BASE_NVAL_L(v) ((v) & 0xFF) #define TX_BASE_NVAL_15_08 0x0294 #define TX_BASE_NVAL_H(v) (((v) >> 8) & 0xFF) #define TX_GRAN_NVAL_07_00 0x0295 #define TX_GRAN_NVAL_L(v) ((v) & 0xFF) #define TX_GRAN_NVAL_10_08 0x0296 #define TX_GRAN_NVAL_H(v) (((v) >> 8) & 0x3) #define VND_TX_CLK_PRD 0xAA #define VND_TX_CLK_PRD_EN 0xA9 #define VND_TX_LINERESET_PVALUE0 0xAD #define VND_TX_LINERESET_PVALUE1 0xAC #define VND_TX_LINERESET_PVALUE2 0xAB #define TX_LINE_RESET_TIME 3200 #define VND_RX_CLK_PRD 0x12 #define VND_RX_CLK_PRD_EN 0x11 #define VND_RX_LINERESET_VALUE0 0x1D #define VND_RX_LINERESET_VALUE1 0x1C #define VND_RX_LINERESET_VALUE2 0x1B #define RX_LINE_RESET_TIME 1000 #define RX_FILLER_ENABLE 0x0316 #define RX_FILLER_EN (1 << 1) #define RX_LINERESET_VAL 0x0317 #define RX_LINERESET(v) (((v) >> 12) & 0xFF) #define RX_LCC_IGNORE 0x0318 #define RX_SYNC_MASK_LENGTH 0x0321 #define RX_HIBERN8_WAIT_VAL_BIT_20_16 0x0331 #define RX_HIBERN8_WAIT_VAL_BIT_15_08 0x0332 #define RX_HIBERN8_WAIT_VAL_BIT_07_00 0x0333 #define RX_OV_SLEEP_CNT_TIMER 0x0340 #define RX_OV_SLEEP_CNT(v) (((v) >> 6) & 0x1F) #define RX_OV_STALL_CNT_TIMER 0x0341 #define RX_OV_STALL_CNT(v) (((v) >> 4) & 0xFF) #define RX_BASE_NVAL_07_00 0x0355 #define RX_BASE_NVAL_L(v) ((v) & 0xFF) #define RX_BASE_NVAL_15_08 0x0354 #define RX_BASE_NVAL_H(v) (((v) >> 8) & 0xFF) #define RX_GRAN_NVAL_07_00 0x0353 #define RX_GRAN_NVAL_L(v) ((v) & 0xFF) #define RX_GRAN_NVAL_10_08 0x0352 #define RX_GRAN_NVAL_H(v) (((v) >> 8) & 0x3) #define CMN_PWM_CLK_CTRL 0x0402 #define PWM_CLK_CTRL_MASK 0x3 #define IATOVAL_NSEC 20000 /* unit: ns */ #define UNIPRO_PCLK_PERIOD(ufs) (NSEC_PER_SEC / ufs->pclk_rate) struct exynos_ufs; /* vendor specific pre-defined parameters */ #define SLOW 1 #define FAST 2 #define RX_ADV_FINE_GRAN_SUP_EN 0x1 #define RX_ADV_FINE_GRAN_STEP_VAL 0x3 #define RX_ADV_MIN_ACTV_TIME_CAP 0x9 #define PA_GRANULARITY_VAL 0x6 #define PA_TACTIVATE_VAL 0x3 #define PA_HIBERN8TIME_VAL 0x20 #define PCLK_AVAIL_MIN 70000000 #define PCLK_AVAIL_MAX 267000000 struct exynos_ufs_uic_attr { /* TX Attributes */ unsigned int tx_trailingclks; unsigned int tx_dif_p_nsec; unsigned int tx_dif_n_nsec; unsigned int tx_high_z_cnt_nsec; unsigned int tx_base_unit_nsec; unsigned int tx_gran_unit_nsec; unsigned int tx_sleep_cnt; unsigned int tx_min_activatetime; /* RX Attributes */ unsigned int rx_filler_enable; unsigned int rx_dif_p_nsec; unsigned int rx_hibern8_wait_nsec; unsigned int rx_base_unit_nsec; unsigned int rx_gran_unit_nsec; unsigned int rx_sleep_cnt; unsigned int rx_stall_cnt; unsigned int rx_hs_g1_sync_len_cap; unsigned int rx_hs_g2_sync_len_cap; unsigned int rx_hs_g3_sync_len_cap; unsigned int rx_hs_g1_prep_sync_len_cap; unsigned int rx_hs_g2_prep_sync_len_cap; unsigned int rx_hs_g3_prep_sync_len_cap; /* Common Attributes */ unsigned int cmn_pwm_clk_ctrl; /* Internal Attributes */ unsigned int pa_dbg_clk_period_off; unsigned int pa_dbg_opt_suite1_val; unsigned int pa_dbg_opt_suite1_off; unsigned int pa_dbg_opt_suite2_val; unsigned int pa_dbg_opt_suite2_off; /* Changeable Attributes */ unsigned int rx_adv_fine_gran_sup_en; unsigned int rx_adv_fine_gran_step; unsigned int rx_min_actv_time_cap; unsigned int rx_hibern8_time_cap; unsigned int rx_adv_min_actv_time_cap; unsigned int rx_adv_hibern8_time_cap; unsigned int pa_granularity; unsigned int pa_tactivate; unsigned int pa_hibern8time; }; struct exynos_ufs_drv_data { const struct ufs_hba_variant_ops *vops; struct exynos_ufs_uic_attr *uic_attr; unsigned int quirks; unsigned int opts; /* SoC's specific operations */ int (*drv_init)(struct device *dev, struct exynos_ufs *ufs); int (*pre_link)(struct exynos_ufs *ufs); int (*post_link)(struct exynos_ufs *ufs); int (*pre_pwr_change)(struct exynos_ufs *ufs, struct ufs_pa_layer_attr *pwr); int (*post_pwr_change)(struct exynos_ufs *ufs, struct ufs_pa_layer_attr *pwr); int (*pre_hce_enable)(struct exynos_ufs *ufs); int (*post_hce_enable)(struct exynos_ufs *ufs); }; struct ufs_phy_time_cfg { u32 tx_linereset_p; u32 tx_linereset_n; u32 tx_high_z_cnt; u32 tx_base_n_val; u32 tx_gran_n_val; u32 tx_sleep_cnt; u32 rx_linereset; u32 rx_hibern8_wait; u32 rx_base_n_val; u32 rx_gran_n_val; u32 rx_sleep_cnt; u32 rx_stall_cnt; }; struct exynos_ufs { struct ufs_hba *hba; struct phy *phy; void __iomem *reg_hci; void __iomem *reg_unipro; void __iomem *reg_ufsp; struct clk *clk_hci_core; struct clk *clk_unipro_main; struct clk *clk_apb; u32 pclk_rate; u32 pclk_div; u32 pclk_avail_min; u32 pclk_avail_max; unsigned long mclk_rate; int avail_ln_rx; int avail_ln_tx; int rx_sel_idx; struct ufs_pa_layer_attr dev_req_params; struct ufs_phy_time_cfg t_cfg; ktime_t entry_hibern8_t; const struct exynos_ufs_drv_data *drv_data; struct regmap *sysreg; u32 shareability_reg_offset; u32 opts; #define EXYNOS_UFS_OPT_HAS_APB_CLK_CTRL BIT(0) #define EXYNOS_UFS_OPT_SKIP_CONNECTION_ESTAB BIT(1) #define EXYNOS_UFS_OPT_BROKEN_AUTO_CLK_CTRL BIT(2) #define EXYNOS_UFS_OPT_BROKEN_RX_SEL_IDX BIT(3) #define EXYNOS_UFS_OPT_USE_SW_HIBERN8_TIMER BIT(4) #define EXYNOS_UFS_OPT_SKIP_CONFIG_PHY_ATTR BIT(5) #define EXYNOS_UFS_OPT_UFSPR_SECURE BIT(6) #define EXYNOS_UFS_OPT_TIMER_TICK_SELECT BIT(7) }; #define for_each_ufs_rx_lane(ufs, i) \ for (i = (ufs)->rx_sel_idx; \ i < (ufs)->rx_sel_idx + (ufs)->avail_ln_rx; i++) #define for_each_ufs_tx_lane(ufs, i) \ for (i = 0; i < (ufs)->avail_ln_tx; i++) #define EXYNOS_UFS_MMIO_FUNC(name) \ static inline void name##_writel(struct exynos_ufs *ufs, u32 val, u32 reg)\ { \ writel(val, ufs->reg_##name + reg); \ } \ \ static inline u32 name##_readl(struct exynos_ufs *ufs, u32 reg) \ { \ return readl(ufs->reg_##name + reg); \ } EXYNOS_UFS_MMIO_FUNC(hci); EXYNOS_UFS_MMIO_FUNC(unipro); EXYNOS_UFS_MMIO_FUNC(ufsp); #undef EXYNOS_UFS_MMIO_FUNC long exynos_ufs_calc_time_cntr(struct exynos_ufs *, long); static inline void exynos_ufs_enable_ov_tm(struct ufs_hba *hba) { ufshcd_dme_set(hba, UIC_ARG_MIB(PA_DBG_OV_TM), true); } static inline void exynos_ufs_disable_ov_tm(struct ufs_hba *hba) { ufshcd_dme_set(hba, UIC_ARG_MIB(PA_DBG_OV_TM), false); } static inline void exynos_ufs_enable_dbg_mode(struct ufs_hba *hba) { ufshcd_dme_set(hba, UIC_ARG_MIB(PA_DBG_MODE), true); } static inline void exynos_ufs_disable_dbg_mode(struct ufs_hba *hba) { ufshcd_dme_set(hba, UIC_ARG_MIB(PA_DBG_MODE), false); } #endif /* _UFS_EXYNOS_H_ */
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