1 /* 2 * Copyright (c) 2014, The Linux Foundation. All rights reserved. 3 * 4 * This software is licensed under the terms of the GNU General Public 5 * License version 2, as published by the Free Software Foundation, and 6 * may be copied, distributed, and modified under those terms. 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU General Public License for more details. 12 */ 13 #ifndef __QCOM_CLK_COMMON_H__ 14 #define __QCOM_CLK_COMMON_H__ 15 16 struct platform_device; 17 struct regmap_config; 18 struct clk_regmap; 19 struct qcom_reset_map; 20 struct regmap; 21 struct freq_tbl; 22 struct clk_hw; 23 24 #define PLL_LOCK_COUNT_SHIFT 8 25 #define PLL_LOCK_COUNT_MASK 0x3f 26 #define PLL_BIAS_COUNT_SHIFT 14 27 #define PLL_BIAS_COUNT_MASK 0x3f 28 #define PLL_VOTE_FSM_ENA BIT(20) 29 #define PLL_VOTE_FSM_RESET BIT(21) 30 31 struct qcom_cc_desc { 32 const struct regmap_config *config; 33 struct clk_regmap **clks; 34 size_t num_clks; 35 const struct qcom_reset_map *resets; 36 size_t num_resets; 37 struct gdsc **gdscs; 38 size_t num_gdscs; 39 }; 40 41 /** 42 * struct parent_map - map table for source select configuration values 43 * @src: source 44 * @cfg: configuration value 45 */ 46 struct parent_map { 47 u8 src; 48 u8 cfg; 49 }; 50 51 extern const struct freq_tbl *qcom_find_freq(const struct freq_tbl *f, 52 unsigned long rate); 53 extern const struct freq_tbl *qcom_find_freq_floor(const struct freq_tbl *f, 54 unsigned long rate); 55 extern void 56 qcom_pll_set_fsm_mode(struct regmap *m, u32 reg, u8 bias_count, u8 lock_count); 57 extern int qcom_find_src_index(struct clk_hw *hw, const struct parent_map *map, 58 u8 src); 59 60 extern int qcom_cc_register_board_clk(struct device *dev, const char *path, 61 const char *name, unsigned long rate); 62 extern int qcom_cc_register_sleep_clk(struct device *dev); 63 64 extern struct regmap *qcom_cc_map(struct platform_device *pdev, 65 const struct qcom_cc_desc *desc); 66 extern int qcom_cc_really_probe(struct platform_device *pdev, 67 const struct qcom_cc_desc *desc, 68 struct regmap *regmap); 69 extern int qcom_cc_probe(struct platform_device *pdev, 70 const struct qcom_cc_desc *desc); 71 72 #endif 73