OpenCloudOS-Kernel/drivers/clk/qcom/common.h

73 lines
2.2 KiB
C

/*
* Copyright (c) 2014, The Linux Foundation. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#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 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