// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2013, 2018, The Linux Foundation. All rights reserved. */ #include <linux/kernel.h> #include <linux/bitops.h> #include <linux/err.h> #include <linux/bug.h> #include <linux/export.h> #include <linux/clk-provider.h> #include <linux/delay.h> #include <linux/rational.h> #include <linux/regmap.h> #include <linux/math64.h> #include <linux/minmax.h> #include <linux/slab.h> #include <asm/div64.h> #include "clk-rcg.h" #include "common.h" #define CMD_REG … #define CMD_UPDATE … #define CMD_ROOT_EN … #define CMD_DIRTY_CFG … #define CMD_DIRTY_N … #define CMD_DIRTY_M … #define CMD_DIRTY_D … #define CMD_ROOT_OFF … #define CFG_REG … #define CFG_SRC_DIV_SHIFT … #define CFG_SRC_SEL_SHIFT … #define CFG_SRC_SEL_MASK … #define CFG_MODE_SHIFT … #define CFG_MODE_MASK … #define CFG_MODE_DUAL_EDGE … #define CFG_HW_CLK_CTRL_MASK … #define M_REG … #define N_REG … #define D_REG … #define RCG_CFG_OFFSET(rcg) … #define RCG_M_OFFSET(rcg) … #define RCG_N_OFFSET(rcg) … #define RCG_D_OFFSET(rcg) … /* Dynamic Frequency Scaling */ #define MAX_PERF_LEVEL … #define SE_CMD_DFSR_OFFSET … #define SE_CMD_DFS_EN … #define SE_PERF_DFSR(level) … #define SE_PERF_M_DFSR(level) … #define SE_PERF_N_DFSR(level) … enum freq_policy { … }; static int clk_rcg2_is_enabled(struct clk_hw *hw) { … } static u8 __clk_rcg2_get_parent(struct clk_hw *hw, u32 cfg) { … } static u8 clk_rcg2_get_parent(struct clk_hw *hw) { … } static int update_config(struct clk_rcg2 *rcg) { … } static int clk_rcg2_set_parent(struct clk_hw *hw, u8 index) { … } /* * Calculate m/n:d rate * * parent_rate m * rate = ----------- x --- * hid_div n */ static unsigned long calc_rate(unsigned long rate, u32 m, u32 n, u32 mode, u32 hid_div) { … } static unsigned long __clk_rcg2_recalc_rate(struct clk_hw *hw, unsigned long parent_rate, u32 cfg) { … } static unsigned long clk_rcg2_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { … } static int _freq_tbl_determine_rate(struct clk_hw *hw, const struct freq_tbl *f, struct clk_rate_request *req, enum freq_policy policy) { … } static const struct freq_conf * __clk_rcg2_select_conf(struct clk_hw *hw, const struct freq_multi_tbl *f, unsigned long req_rate) { … } static int _freq_tbl_fm_determine_rate(struct clk_hw *hw, const struct freq_multi_tbl *f, struct clk_rate_request *req) { … } static int clk_rcg2_determine_rate(struct clk_hw *hw, struct clk_rate_request *req) { … } static int clk_rcg2_determine_floor_rate(struct clk_hw *hw, struct clk_rate_request *req) { … } static int clk_rcg2_fm_determine_rate(struct clk_hw *hw, struct clk_rate_request *req) { … } static int __clk_rcg2_configure(struct clk_rcg2 *rcg, const struct freq_tbl *f, u32 *_cfg) { … } static int clk_rcg2_configure(struct clk_rcg2 *rcg, const struct freq_tbl *f) { … } static int __clk_rcg2_set_rate(struct clk_hw *hw, unsigned long rate, enum freq_policy policy) { … } static int __clk_rcg2_fm_set_rate(struct clk_hw *hw, unsigned long rate) { … } static int clk_rcg2_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { … } static int clk_rcg2_set_floor_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { … } static int clk_rcg2_fm_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { … } static int clk_rcg2_set_rate_and_parent(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate, u8 index) { … } static int clk_rcg2_set_floor_rate_and_parent(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate, u8 index) { … } static int clk_rcg2_fm_set_rate_and_parent(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate, u8 index) { … } static int clk_rcg2_get_duty_cycle(struct clk_hw *hw, struct clk_duty *duty) { … } static int clk_rcg2_set_duty_cycle(struct clk_hw *hw, struct clk_duty *duty) { … } const struct clk_ops clk_rcg2_ops = …; EXPORT_SYMBOL_GPL(…); const struct clk_ops clk_rcg2_floor_ops = …; EXPORT_SYMBOL_GPL(…); const struct clk_ops clk_rcg2_fm_ops = …; EXPORT_SYMBOL_GPL(…); const struct clk_ops clk_rcg2_mux_closest_ops = …; EXPORT_SYMBOL_GPL(…); struct frac_entry { … }; static const struct frac_entry frac_table_675m[] = …; static struct frac_entry frac_table_810m[] = …; static int clk_edp_pixel_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { … } static int clk_edp_pixel_set_rate_and_parent(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate, u8 index) { … } static int clk_edp_pixel_determine_rate(struct clk_hw *hw, struct clk_rate_request *req) { … } const struct clk_ops clk_edp_pixel_ops = …; EXPORT_SYMBOL_GPL(…); static int clk_byte_determine_rate(struct clk_hw *hw, struct clk_rate_request *req) { … } static int clk_byte_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { … } static int clk_byte_set_rate_and_parent(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate, u8 index) { … } const struct clk_ops clk_byte_ops = …; EXPORT_SYMBOL_GPL(…); static int clk_byte2_determine_rate(struct clk_hw *hw, struct clk_rate_request *req) { … } static int clk_byte2_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { … } static int clk_byte2_set_rate_and_parent(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate, u8 index) { … } const struct clk_ops clk_byte2_ops = …; EXPORT_SYMBOL_GPL(…); static const struct frac_entry frac_table_pixel[] = …; static int clk_pixel_determine_rate(struct clk_hw *hw, struct clk_rate_request *req) { … } static int clk_pixel_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { … } static int clk_pixel_set_rate_and_parent(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate, u8 index) { … } const struct clk_ops clk_pixel_ops = …; EXPORT_SYMBOL_GPL(…); static int clk_gfx3d_determine_rate(struct clk_hw *hw, struct clk_rate_request *req) { … } static int clk_gfx3d_set_rate_and_parent(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate, u8 index) { … } static int clk_gfx3d_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { … } const struct clk_ops clk_gfx3d_ops = …; EXPORT_SYMBOL_GPL(…); static int clk_rcg2_set_force_enable(struct clk_hw *hw) { … } static int clk_rcg2_clear_force_enable(struct clk_hw *hw) { … } static int clk_rcg2_shared_force_enable_clear(struct clk_hw *hw, const struct freq_tbl *f) { … } static int clk_rcg2_shared_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { … } static int clk_rcg2_shared_set_rate_and_parent(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate, u8 index) { … } static int clk_rcg2_shared_enable(struct clk_hw *hw) { … } static void clk_rcg2_shared_disable(struct clk_hw *hw) { … } static u8 clk_rcg2_shared_get_parent(struct clk_hw *hw) { … } static int clk_rcg2_shared_set_parent(struct clk_hw *hw, u8 index) { … } static unsigned long clk_rcg2_shared_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { … } static int clk_rcg2_shared_init(struct clk_hw *hw) { … } const struct clk_ops clk_rcg2_shared_ops = …; EXPORT_SYMBOL_GPL(…); /* Common APIs to be used for DFS based RCGR */ static void clk_rcg2_dfs_populate_freq(struct clk_hw *hw, unsigned int l, struct freq_tbl *f) { … } static int clk_rcg2_dfs_populate_freq_table(struct clk_rcg2 *rcg) { … } static int clk_rcg2_dfs_determine_rate(struct clk_hw *hw, struct clk_rate_request *req) { … } static unsigned long clk_rcg2_dfs_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { … } static const struct clk_ops clk_rcg2_dfs_ops = …; static int clk_rcg2_enable_dfs(const struct clk_rcg_dfs_data *data, struct regmap *regmap) { … } int qcom_cc_register_rcg_dfs(struct regmap *regmap, const struct clk_rcg_dfs_data *rcgs, size_t len) { … } EXPORT_SYMBOL_GPL(…); static int clk_rcg2_dp_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { … } static int clk_rcg2_dp_set_rate_and_parent(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate, u8 index) { … } static int clk_rcg2_dp_determine_rate(struct clk_hw *hw, struct clk_rate_request *req) { … } const struct clk_ops clk_dp_ops = …; EXPORT_SYMBOL_GPL(…);
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