common.h 2.0 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. /* Copyright (c) 2014, The Linux Foundation. All rights reserved. */
  3. #ifndef __QCOM_CLK_COMMON_H__
  4. #define __QCOM_CLK_COMMON_H__
  5. struct platform_device;
  6. struct regmap_config;
  7. struct clk_regmap;
  8. struct qcom_reset_map;
  9. struct regmap;
  10. struct freq_tbl;
  11. struct clk_hw;
  12. #define PLL_LOCK_COUNT_SHIFT 8
  13. #define PLL_LOCK_COUNT_MASK 0x3f
  14. #define PLL_BIAS_COUNT_SHIFT 14
  15. #define PLL_BIAS_COUNT_MASK 0x3f
  16. #define PLL_VOTE_FSM_ENA BIT(20)
  17. #define PLL_VOTE_FSM_RESET BIT(21)
  18. struct qcom_cc_desc {
  19. const struct regmap_config *config;
  20. struct clk_regmap **clks;
  21. size_t num_clks;
  22. const struct qcom_reset_map *resets;
  23. size_t num_resets;
  24. struct gdsc **gdscs;
  25. size_t num_gdscs;
  26. struct clk_hw **clk_hws;
  27. size_t num_clk_hws;
  28. };
  29. /**
  30. * struct parent_map - map table for source select configuration values
  31. * @src: source
  32. * @cfg: configuration value
  33. */
  34. struct parent_map {
  35. u8 src;
  36. u8 cfg;
  37. };
  38. extern const struct freq_tbl *qcom_find_freq(const struct freq_tbl *f,
  39. unsigned long rate);
  40. extern const struct freq_tbl *qcom_find_freq_floor(const struct freq_tbl *f,
  41. unsigned long rate);
  42. extern void
  43. qcom_pll_set_fsm_mode(struct regmap *m, u32 reg, u8 bias_count, u8 lock_count);
  44. extern int qcom_find_src_index(struct clk_hw *hw, const struct parent_map *map,
  45. u8 src);
  46. extern int qcom_find_cfg_index(struct clk_hw *hw, const struct parent_map *map,
  47. u8 cfg);
  48. extern int qcom_cc_register_board_clk(struct device *dev, const char *path,
  49. const char *name, unsigned long rate);
  50. extern int qcom_cc_register_sleep_clk(struct device *dev);
  51. extern struct regmap *qcom_cc_map(struct platform_device *pdev,
  52. const struct qcom_cc_desc *desc);
  53. extern int qcom_cc_really_probe(struct platform_device *pdev,
  54. const struct qcom_cc_desc *desc,
  55. struct regmap *regmap);
  56. extern int qcom_cc_probe(struct platform_device *pdev,
  57. const struct qcom_cc_desc *desc);
  58. extern int qcom_cc_probe_by_index(struct platform_device *pdev, int index,
  59. const struct qcom_cc_desc *desc);
  60. #endif