18 #include "clk-mux.h"
35 	struct mtk_clk_mux *mux = to_mtk_clk_mux(hw);  in mtk_clk_mux_enable_setclr()  local
38 	if (mux->lock)  in mtk_clk_mux_enable_setclr()
39 		spin_lock_irqsave(mux->lock, flags);  in mtk_clk_mux_enable_setclr()
41 		__acquire(mux->lock);  in mtk_clk_mux_enable_setclr()
43 	regmap_write(mux->regmap, mux->data->clr_ofs,  in mtk_clk_mux_enable_setclr()
44 		     BIT(mux->data->gate_shift));  in mtk_clk_mux_enable_setclr()
48 	 * not be effective yet. Set the update bit to ensure the mux gets  in mtk_clk_mux_enable_setclr()
51 	if (mux->reparent && mux->data->upd_shift >= 0) {  in mtk_clk_mux_enable_setclr()
52 		regmap_write(mux->regmap, mux->data->upd_ofs,  in mtk_clk_mux_enable_setclr()
53 			     BIT(mux->data->upd_shift));  in mtk_clk_mux_enable_setclr()
54 		mux->reparent = false;  in mtk_clk_mux_enable_setclr()
57 	if (mux->lock)  in mtk_clk_mux_enable_setclr()
58 		spin_unlock_irqrestore(mux->lock, flags);  in mtk_clk_mux_enable_setclr()
60 		__release(mux->lock);  in mtk_clk_mux_enable_setclr()
67 	struct mtk_clk_mux *mux = to_mtk_clk_mux(hw);  in mtk_clk_mux_disable_setclr()  local
69 	regmap_write(mux->regmap, mux->data->set_ofs,  in mtk_clk_mux_disable_setclr()
70 			BIT(mux->data->gate_shift));  in mtk_clk_mux_disable_setclr()
75 	struct mtk_clk_mux *mux = to_mtk_clk_mux(hw);  in mtk_clk_mux_is_enabled()  local
78 	regmap_read(mux->regmap, mux->data->mux_ofs, &val);  in mtk_clk_mux_is_enabled()
80 	return (val & BIT(mux->data->gate_shift)) == 0;  in mtk_clk_mux_is_enabled()
85 	struct mtk_clk_mux *mux = to_mtk_clk_mux(hw);  in mtk_clk_mux_get_parent()  local
86 	u32 mask = GENMASK(mux->data->mux_width - 1, 0);  in mtk_clk_mux_get_parent()
89 	regmap_read(mux->regmap, mux->data->mux_ofs, &val);  in mtk_clk_mux_get_parent()
90 	val = (val >> mux->data->mux_shift) & mask;  in mtk_clk_mux_get_parent()
97 	struct mtk_clk_mux *mux = to_mtk_clk_mux(hw);  in mtk_clk_mux_set_parent_setclr_lock()  local
98 	u32 mask = GENMASK(mux->data->mux_width - 1, 0);  in mtk_clk_mux_set_parent_setclr_lock()
102 	if (mux->lock)  in mtk_clk_mux_set_parent_setclr_lock()
103 		spin_lock_irqsave(mux->lock, flags);  in mtk_clk_mux_set_parent_setclr_lock()
105 		__acquire(mux->lock);  in mtk_clk_mux_set_parent_setclr_lock()
107 	regmap_read(mux->regmap, mux->data->mux_ofs, &orig);  in mtk_clk_mux_set_parent_setclr_lock()
108 	val = (orig & ~(mask << mux->data->mux_shift))  in mtk_clk_mux_set_parent_setclr_lock()
109 			| (index << mux->data->mux_shift);  in mtk_clk_mux_set_parent_setclr_lock()
112 		regmap_write(mux->regmap, mux->data->clr_ofs,  in mtk_clk_mux_set_parent_setclr_lock()
113 				mask << mux->data->mux_shift);  in mtk_clk_mux_set_parent_setclr_lock()
114 		regmap_write(mux->regmap, mux->data->set_ofs,  in mtk_clk_mux_set_parent_setclr_lock()
115 				index << mux->data->mux_shift);  in mtk_clk_mux_set_parent_setclr_lock()
117 		if (mux->data->upd_shift >= 0) {  in mtk_clk_mux_set_parent_setclr_lock()
118 			regmap_write(mux->regmap, mux->data->upd_ofs,  in mtk_clk_mux_set_parent_setclr_lock()
119 					BIT(mux->data->upd_shift));  in mtk_clk_mux_set_parent_setclr_lock()
120 			mux->reparent = true;  in mtk_clk_mux_set_parent_setclr_lock()
124 	if (mux->lock)  in mtk_clk_mux_set_parent_setclr_lock()
125 		spin_unlock_irqrestore(mux->lock, flags);  in mtk_clk_mux_set_parent_setclr_lock()
127 		__release(mux->lock);  in mtk_clk_mux_set_parent_setclr_lock()
135 	struct mtk_clk_mux *mux = to_mtk_clk_mux(hw);  in mtk_clk_mux_determine_rate()  local
137 	return clk_mux_determine_rate_flags(hw, req, mux->data->flags);  in mtk_clk_mux_determine_rate()
157 static struct clk_hw *mtk_clk_register_mux(const struct mtk_mux *mux,  in mtk_clk_register_mux()  argument
169 	init.name = mux->name;  in mtk_clk_register_mux()
170 	init.flags = mux->flags | CLK_SET_RATE_PARENT;  in mtk_clk_register_mux()
171 	init.parent_names = mux->parent_names;  in mtk_clk_register_mux()
172 	init.num_parents = mux->num_parents;  in mtk_clk_register_mux()
173 	init.ops = mux->ops;  in mtk_clk_register_mux()
176 	clk_mux->data = mux;  in mtk_clk_register_mux()
191 	struct mtk_clk_mux *mux;  in mtk_clk_unregister_mux()  local
195 	mux = to_mtk_clk_mux(hw);  in mtk_clk_unregister_mux()
198 	kfree(mux);  in mtk_clk_unregister_mux()
217 		const struct mtk_mux *mux = &muxes[i];  in mtk_clk_register_muxes()  local
219 		if (!IS_ERR_OR_NULL(clk_data->hws[mux->id])) {  in mtk_clk_register_muxes()
221 				node, mux->id);  in mtk_clk_register_muxes()
225 		hw = mtk_clk_register_mux(mux, regmap, lock);  in mtk_clk_register_muxes()
228 			pr_err("Failed to register clk %s: %pe\n", mux->name,  in mtk_clk_register_muxes()
233 		clk_data->hws[mux->id] = hw;  in mtk_clk_register_muxes()
240 		const struct mtk_mux *mux = &muxes[i];  in mtk_clk_register_muxes()  local
242 		if (IS_ERR_OR_NULL(clk_data->hws[mux->id]))  in mtk_clk_register_muxes()
245 		mtk_clk_unregister_mux(clk_data->hws[mux->id]);  in mtk_clk_register_muxes()
246 		clk_data->hws[mux->id] = ERR_PTR(-ENOENT);  in mtk_clk_register_muxes()
262 		const struct mtk_mux *mux = &muxes[i - 1];  in mtk_clk_unregister_muxes()  local
264 		if (IS_ERR_OR_NULL(clk_data->hws[mux->id]))  in mtk_clk_unregister_muxes()
267 		mtk_clk_unregister_mux(clk_data->hws[mux->id]);  in mtk_clk_unregister_muxes()
268 		clk_data->hws[mux->id] = ERR_PTR(-ENOENT);  in mtk_clk_unregister_muxes()