kernel_google_redbull/drivers/clk/qcom/common.h

/* 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_find_cfg_index(struct clk_hw *hw, const struct parent_map *map,
			       u8 cfg);

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);

#ifdef CONFIG_DEBUG_FS
#define WARN_CLK(core, name, cond, fmt, ...) do {	\
	clk_debug_print_hw(core, NULL);			\
	WARN(cond, "%s: " fmt, name, ##__VA_ARGS__);	\
} while (0)
#else
#define WARN_CLK(core, name, cond, fmt, ...) do {	\
	WARN(cond, "%s: " fmt, name, ##__VA_ARGS__);	\
} while (0)
#endif

#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