LXR linux/drivers/clk/qcom/common.h

   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
   7struct platform_device;
   8struct regmap_config;
   9struct clk_regmap;
  10struct qcom_reset_map;
  11struct regmap;
  12struct freq_tbl;
  13struct 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
  22struct 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 */
  39struct parent_map {
  40        u8 src;
  41        u8 cfg;
  42};
  43
  44extern const struct freq_tbl *qcom_find_freq(const struct freq_tbl *f,
  45                                             unsigned long rate);
  46extern const struct freq_tbl *qcom_find_freq_floor(const struct freq_tbl *f,
  47                                                   unsigned long rate);
  48extern void
  49qcom_pll_set_fsm_mode(struct regmap *m, u32 reg, u8 bias_count, u8 lock_count);
  50extern int qcom_find_src_index(struct clk_hw *hw, const struct parent_map *map,
  51                               u8 src);
  52
  53extern int qcom_cc_register_board_clk(struct device *dev, const char *path,
  54                                      const char *name, unsigned long rate);
  55extern int qcom_cc_register_sleep_clk(struct device *dev);
  56
  57extern struct regmap *qcom_cc_map(struct platform_device *pdev,
  58                                  const struct qcom_cc_desc *desc);
  59extern int qcom_cc_really_probe(struct platform_device *pdev,
  60                                const struct qcom_cc_desc *desc,
  61                                struct regmap *regmap);
  62extern int qcom_cc_probe(struct platform_device *pdev,
  63                         const struct qcom_cc_desc *desc);
  64extern int qcom_cc_probe_by_index(struct platform_device *pdev, int index,
  65                                  const struct qcom_cc_desc *desc);
  66
  67#endif
  68