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[J-linux.git] / drivers / clk / qcom / common.h
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_desc {
29         const struct regmap_config *config;
30         struct clk_regmap **clks;
31         size_t num_clks;
32         const struct qcom_reset_map *resets;
33         size_t num_resets;
34         struct gdsc **gdscs;
35         size_t num_gdscs;
36         struct clk_hw **clk_hws;
37         size_t num_clk_hws;
38         const struct qcom_icc_hws_data *icc_hws;
39         size_t num_icc_hws;
40         unsigned int icc_first_node_id;
41 };
42
43 /**
44  * struct parent_map - map table for source select configuration values
45  * @src: source
46  * @cfg: configuration value
47  */
48 struct parent_map {
49         u8 src;
50         u8 cfg;
51 };
52
53 extern const struct freq_tbl *qcom_find_freq(const struct freq_tbl *f,
54                                              unsigned long rate);
55 extern const struct freq_tbl *qcom_find_freq_floor(const struct freq_tbl *f,
56                                                    unsigned long rate);
57 extern const struct freq_multi_tbl *qcom_find_freq_multi(const struct freq_multi_tbl *f,
58                                                          unsigned long rate);
59 extern void
60 qcom_pll_set_fsm_mode(struct regmap *m, u32 reg, u8 bias_count, u8 lock_count);
61 extern int qcom_find_src_index(struct clk_hw *hw, const struct parent_map *map,
62                                u8 src);
63 extern int qcom_find_cfg_index(struct clk_hw *hw, const struct parent_map *map,
64                                u8 cfg);
65
66 extern int qcom_cc_register_board_clk(struct device *dev, const char *path,
67                                       const char *name, unsigned long rate);
68 extern int qcom_cc_register_sleep_clk(struct device *dev);
69
70 extern struct regmap *qcom_cc_map(struct platform_device *pdev,
71                                   const struct qcom_cc_desc *desc);
72 extern int qcom_cc_really_probe(struct device *dev,
73                                 const struct qcom_cc_desc *desc,
74                                 struct regmap *regmap);
75 extern int qcom_cc_probe(struct platform_device *pdev,
76                          const struct qcom_cc_desc *desc);
77 extern int qcom_cc_probe_by_index(struct platform_device *pdev, int index,
78                                   const struct qcom_cc_desc *desc);
79
80 #endif
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