Linux kernel mirror (for testing)
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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
7struct platform_device;
8struct regmap_config;
9struct clk_regmap;
10struct qcom_reset_map;
11struct regmap;
12struct freq_tbl;
13struct 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
22struct qcom_icc_hws_data {
23 int master_id;
24 int slave_id;
25 int clk_id;
26};
27
28struct 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 */
48struct parent_map {
49 u8 src;
50 u8 cfg;
51};
52
53extern const struct freq_tbl *qcom_find_freq(const struct freq_tbl *f,
54 unsigned long rate);
55extern const struct freq_tbl *qcom_find_freq_floor(const struct freq_tbl *f,
56 unsigned long rate);
57extern const struct freq_multi_tbl *qcom_find_freq_multi(const struct freq_multi_tbl *f,
58 unsigned long rate);
59extern void
60qcom_pll_set_fsm_mode(struct regmap *m, u32 reg, u8 bias_count, u8 lock_count);
61extern int qcom_find_src_index(struct clk_hw *hw, const struct parent_map *map,
62 u8 src);
63extern int qcom_find_cfg_index(struct clk_hw *hw, const struct parent_map *map,
64 u8 cfg);
65
66extern int qcom_cc_register_board_clk(struct device *dev, const char *path,
67 const char *name, unsigned long rate);
68extern int qcom_cc_register_sleep_clk(struct device *dev);
69
70extern struct regmap *qcom_cc_map(struct platform_device *pdev,
71 const struct qcom_cc_desc *desc);
72extern int qcom_cc_really_probe(struct device *dev,
73 const struct qcom_cc_desc *desc,
74 struct regmap *regmap);
75extern int qcom_cc_probe(struct platform_device *pdev,
76 const struct qcom_cc_desc *desc);
77extern int qcom_cc_probe_by_index(struct platform_device *pdev, int index,
78 const struct qcom_cc_desc *desc);
79
80#endif