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_cc_desc { |
23 | const struct regmap_config *config; |
24 | struct clk_regmap **clks; |
25 | size_t num_clks; |
26 | const struct qcom_reset_map *resets; |
27 | size_t num_resets; |
28 | struct gdsc **gdscs; |
29 | size_t num_gdscs; |
30 | struct clk_hw **clk_hws; |
31 | size_t num_clk_hws; |
32 | }; |
33 | |
34 | /** |
35 | * struct parent_map - map table for source select configuration values |
36 | * @src: source |
37 | * @cfg: configuration value |
38 | */ |
39 | struct parent_map { |
40 | u8 src; |
41 | u8 cfg; |
42 | }; |
43 | |
44 | extern const struct freq_tbl *qcom_find_freq(const struct freq_tbl *f, |
45 | unsigned long rate); |
46 | extern const struct freq_tbl *qcom_find_freq_floor(const struct freq_tbl *f, |
47 | unsigned long rate); |
48 | extern void |
49 | qcom_pll_set_fsm_mode(struct regmap *m, u32 reg, u8 bias_count, u8 lock_count); |
50 | extern int qcom_find_src_index(struct clk_hw *hw, const struct parent_map *map, |
51 | u8 src); |
52 | extern int qcom_find_cfg_index(struct clk_hw *hw, const struct parent_map *map, |
53 | u8 cfg); |
54 | |
55 | extern int qcom_cc_register_board_clk(struct device *dev, const char *path, |
56 | const char *name, unsigned long rate); |
57 | extern int qcom_cc_register_sleep_clk(struct device *dev); |
58 | |
59 | extern struct regmap *qcom_cc_map(struct platform_device *pdev, |
60 | const struct qcom_cc_desc *desc); |
61 | extern int qcom_cc_really_probe(struct platform_device *pdev, |
62 | const struct qcom_cc_desc *desc, |
63 | struct regmap *regmap); |
64 | extern int qcom_cc_probe(struct platform_device *pdev, |
65 | const struct qcom_cc_desc *desc); |
66 | extern int qcom_cc_probe_by_index(struct platform_device *pdev, int index, |
67 | const struct qcom_cc_desc *desc); |
68 | |
69 | #endif |
70 | |