1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright (c) 2014, The Linux Foundation. All rights reserved. */ 3 4 #ifndef __QCOM_CLK_COMMON_H__ 5 #define __QCOM_CLK_COMMON_H__ 6 7 struct platform_device; 8 struct regmap_config; 9 struct clk_regmap; 10 struct qcom_reset_map; 11 struct regmap; 12 struct freq_tbl; 13 struct clk_hw; 14 15 #define PLL_LOCK_COUNT_SHIFT 8 16 #define PLL_LOCK_COUNT_MASK 0x3f 17 #define PLL_BIAS_COUNT_SHIFT 14 18 #define PLL_BIAS_COUNT_MASK 0x3f 19 #define PLL_VOTE_FSM_ENA BIT(20) 20 #define PLL_VOTE_FSM_RESET BIT(21) 21 22 struct qcom_icc_hws_data { 23 int master_id; 24 int slave_id; 25 int clk_id; 26 }; 27 28 struct qcom_cc_driver_data { 29 struct clk_alpha_pll **alpha_plls; 30 size_t num_alpha_plls; 31 u32 *clk_cbcrs; 32 size_t num_clk_cbcrs; 33 const struct clk_rcg_dfs_data *dfs_rcgs; 34 size_t num_dfs_rcgs; 35 void (*clk_regs_configure)(struct device *dev, struct regmap *regmap); 36 }; 37 38 struct qcom_cc_desc { 39 const struct regmap_config *config; 40 struct clk_regmap **clks; 41 size_t num_clks; 42 const struct qcom_reset_map *resets; 43 size_t num_resets; 44 struct gdsc **gdscs; 45 size_t num_gdscs; 46 struct clk_hw **clk_hws; 47 size_t num_clk_hws; 48 const struct qcom_icc_hws_data *icc_hws; 49 size_t num_icc_hws; 50 unsigned int icc_first_node_id; 51 bool use_rpm; 52 struct qcom_cc_driver_data *driver_data; 53 }; 54 55 /** 56 * struct parent_map - map table for source select configuration values 57 * @src: source 58 * @cfg: configuration value 59 */ 60 struct parent_map { 61 u8 src; 62 u8 cfg; 63 }; 64 65 extern const struct freq_tbl *qcom_find_freq(const struct freq_tbl *f, 66 unsigned long rate); 67 extern const struct freq_tbl *qcom_find_freq_floor(const struct freq_tbl *f, 68 unsigned long rate); 69 extern const struct freq_multi_tbl *qcom_find_freq_multi(const struct freq_multi_tbl *f, 70 unsigned long rate); 71 extern void 72 qcom_pll_set_fsm_mode(struct regmap *m, u32 reg, u8 bias_count, u8 lock_count); 73 extern int qcom_find_src_index(struct clk_hw *hw, const struct parent_map *map, 74 u8 src); 75 extern int qcom_find_cfg_index(struct clk_hw *hw, const struct parent_map *map, 76 u8 cfg); 77 78 extern int qcom_cc_register_board_clk(struct device *dev, const char *path, 79 const char *name, unsigned long rate); 80 extern int qcom_cc_register_sleep_clk(struct device *dev); 81 82 extern struct regmap *qcom_cc_map(struct platform_device *pdev, 83 const struct qcom_cc_desc *desc); 84 extern int qcom_cc_really_probe(struct device *dev, 85 const struct qcom_cc_desc *desc, 86 struct regmap *regmap); 87 extern int qcom_cc_probe(struct platform_device *pdev, 88 const struct qcom_cc_desc *desc); 89 extern int qcom_cc_probe_by_index(struct platform_device *pdev, int index, 90 const struct qcom_cc_desc *desc); 91 92 #endif 93