[mirror_ubuntu-jammy-kernel.git] / drivers / clk / qcom / common.h

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2014, The Linux Foundation. All rights reserved. */

#ifndef __QCOM_CLK_COMMON_H__
#define __QCOM_CLK_COMMON_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;
	size_t num_clks;
	const struct qcom_reset_map *resets;
	size_t num_resets;
	struct gdsc **gdscs;
	size_t num_gdscs;
	struct clk_hw **clk_hws;
	size_t num_clk_hws;
};

/**
 * struct parent_map - map table for source select configuration values
 * @src: source
 * @cfg: configuration value
 */
struct parent_map {
	u8 src;
	u8 cfg;
};

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);

#endif
Commit	Line	Data
f9419783 TD	1	/* SPDX-License-Identifier: GPL-2.0 */
	2	/* Copyright (c) 2014, The Linux Foundation. All rights reserved. */
	3
49fc825f SB	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;
5b6b7490	11	struct regmap;
50c6a503	12	struct freq_tbl;
293d2e97	13	struct clk_hw;
49fc825f	14
400d9fda RN	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
49fc825f SB	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;
5e5cc241 RN	28	struct gdsc **gdscs;
5e5cc241 RN	29	size_t num_gdscs;
760be658 JH	30	struct clk_hw **clk_hws;
760be658 JH	31	size_t num_clk_hws;
49fc825f SB	32	};
49fc825f SB	33
df964016 AS	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
50c6a503 SB	44	extern const struct freq_tbl qcom_find_freq(const struct freq_tbl f,
50c6a503 SB	45	unsigned long rate);
081ba802 RN	46	extern const struct freq_tbl qcom_find_freq_floor(const struct freq_tbl f,
081ba802 RN	47	unsigned long rate);
400d9fda RN	48	extern void
400d9fda RN	49	qcom_pll_set_fsm_mode(struct regmap *m, u32 reg, u8 bias_count, u8 lock_count);
293d2e97 GD	50	extern int qcom_find_src_index(struct clk_hw hw, const struct parent_map map,
293d2e97 GD	51	u8 src);
50c6a503	52
ee15faff SB	53	extern int qcom_cc_register_board_clk(struct device dev, const char path,
	54	const char *name, unsigned long rate);
	55	extern int qcom_cc_register_sleep_clk(struct device *dev);
	56
5b6b7490 SB	57	extern struct regmap qcom_cc_map(struct platform_device pdev,
	58	const struct qcom_cc_desc *desc);
	59	extern int qcom_cc_really_probe(struct platform_device *pdev,
	60	const struct qcom_cc_desc *desc,
	61	struct regmap *regmap);
49fc825f SB	62	extern int qcom_cc_probe(struct platform_device *pdev,
	63	const struct qcom_cc_desc *desc);
	64
49fc825f	65	#endif