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_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
38struct 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 */
60struct parent_map {
61 u8 src;
62 u8 cfg;
63};
64
65extern const struct freq_tbl *qcom_find_freq(const struct freq_tbl *f,
66 unsigned long rate);
67extern const struct freq_tbl *qcom_find_freq_floor(const struct freq_tbl *f,
68 unsigned long rate);
69extern const struct freq_multi_tbl *qcom_find_freq_multi(const struct freq_multi_tbl *f,
70 unsigned long rate);
71extern void
72qcom_pll_set_fsm_mode(struct regmap *m, u32 reg, u8 bias_count, u8 lock_count);
73extern int qcom_find_src_index(struct clk_hw *hw, const struct parent_map *map,
74 u8 src);
75extern int qcom_find_cfg_index(struct clk_hw *hw, const struct parent_map *map,
76 u8 cfg);
77
78extern int qcom_cc_register_board_clk(struct device *dev, const char *path,
79 const char *name, unsigned long rate);
80extern int qcom_cc_register_sleep_clk(struct device *dev);
81
82extern struct regmap *qcom_cc_map(struct platform_device *pdev,
83 const struct qcom_cc_desc *desc);
84extern int qcom_cc_really_probe(struct device *dev,
85 const struct qcom_cc_desc *desc,
86 struct regmap *regmap);
87extern int qcom_cc_probe(struct platform_device *pdev,
88 const struct qcom_cc_desc *desc);
89extern int qcom_cc_probe_by_index(struct platform_device *pdev, int index,
90 const struct qcom_cc_desc *desc);
91
92#endif