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kernel_a52xq/drivers/clk/qcom/common.h
2026-09-27 19:03:59 +07:00

92 lines
2.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2014, 2017-2018, The Linux Foundation. All rights reserved.
*/
#ifndef __QCOM_CLK_COMMON_H__
#define __QCOM_CLK_COMMON_H__
#include <linux/reset-controller.h>
struct platform_device;
struct regmap_config;
struct clk_regmap;
struct qcom_reset_map;
struct regmap;
struct freq_tbl;
struct clk_hw;
#define PLL_LOCK_COUNT_SHIFT 8
#define PLL_LOCK_COUNT_MASK 0x3f
#define PLL_BIAS_COUNT_SHIFT 14
#define PLL_BIAS_COUNT_MASK 0x3f
#define PLL_VOTE_FSM_ENA BIT(20)
#define PLL_VOTE_FSM_RESET BIT(21)
struct qcom_cc_desc {
const struct regmap_config *config;
struct clk_regmap **clks;
struct clk_hw **hwclks;
size_t num_clks;
size_t num_hwclks;
const struct qcom_reset_map *resets;
size_t num_resets;
struct gdsc **gdscs;
size_t num_gdscs;
};
/**
* struct parent_map - map table for source select configuration values
* @src: source
* @cfg: configuration value
*/
struct parent_map {
u8 src;
u8 cfg;
};
struct clk_dummy {
struct clk_hw hw;
struct reset_controller_dev reset;
unsigned long rrate;
};
extern const struct freq_tbl *qcom_find_freq(const struct freq_tbl *f,
unsigned long rate);
extern const struct freq_tbl *qcom_find_freq_floor(const struct freq_tbl *f,
unsigned long rate);
extern void
qcom_pll_set_fsm_mode(struct regmap *m, u32 reg, u8 bias_count, u8 lock_count);
extern int qcom_find_src_index(struct clk_hw *hw, const struct parent_map *map,
u8 src);
extern int qcom_cc_register_board_clk(struct device *dev, const char *path,
const char *name, unsigned long rate);
extern int qcom_cc_register_sleep_clk(struct device *dev);
extern struct regmap *qcom_cc_map(struct platform_device *pdev,
const struct qcom_cc_desc *desc);
extern int qcom_cc_really_probe(struct platform_device *pdev,
const struct qcom_cc_desc *desc,
struct regmap *regmap);
extern int qcom_cc_probe(struct platform_device *pdev,
const struct qcom_cc_desc *desc);
extern const struct clk_ops clk_dummy_ops;
extern void clk_debug_print_hw(struct clk_core *clk, struct seq_file *f);
#define WARN_CLK(core, name, cond, fmt, ...) do { \
clk_debug_print_hw(core, NULL); \
WARN(cond, "%s: " fmt, name, ##__VA_ARGS__); \
} while (0)
#define clock_debug_output(m, c, fmt, ...) \
do { \
if (m) \
seq_printf(m, fmt, ##__VA_ARGS__); \
else if (c) \
pr_alert(fmt, ##__VA_ARGS__); \
else \
pr_info(fmt, ##__VA_ARGS__); \
} while (0)
#endif