13 #include "clk-mux.h"
22 	struct mtk_clk_mux *mux = to_mtk_clk_mux(hw);  in mtk_clk_mux_enable_setclr()  local
25 	if (mux->lock)  in mtk_clk_mux_enable_setclr()
26 		spin_lock_irqsave(mux->lock, flags);  in mtk_clk_mux_enable_setclr()
28 		__acquire(mux->lock);  in mtk_clk_mux_enable_setclr()
30 	regmap_write(mux->regmap, mux->data->clr_ofs,  in mtk_clk_mux_enable_setclr()
31 		     BIT(mux->data->gate_shift));  in mtk_clk_mux_enable_setclr()
35 	 * not be effective yet. Set the update bit to ensure the mux gets  in mtk_clk_mux_enable_setclr()
38 	if (mux->reparent && mux->data->upd_shift >= 0) {  in mtk_clk_mux_enable_setclr()
39 		regmap_write(mux->regmap, mux->data->upd_ofs,  in mtk_clk_mux_enable_setclr()
40 			     BIT(mux->data->upd_shift));  in mtk_clk_mux_enable_setclr()
41 		mux->reparent = false;  in mtk_clk_mux_enable_setclr()
44 	if (mux->lock)  in mtk_clk_mux_enable_setclr()
45 		spin_unlock_irqrestore(mux->lock, flags);  in mtk_clk_mux_enable_setclr()
47 		__release(mux->lock);  in mtk_clk_mux_enable_setclr()
54 	struct mtk_clk_mux *mux = to_mtk_clk_mux(hw);  in mtk_clk_mux_disable_setclr()  local
56 	regmap_write(mux->regmap, mux->data->set_ofs,  in mtk_clk_mux_disable_setclr()
57 			BIT(mux->data->gate_shift));  in mtk_clk_mux_disable_setclr()
62 	struct mtk_clk_mux *mux = to_mtk_clk_mux(hw);  in mtk_clk_mux_is_enabled()  local
65 	regmap_read(mux->regmap, mux->data->mux_ofs, &val);  in mtk_clk_mux_is_enabled()
67 	return (val & BIT(mux->data->gate_shift)) == 0;  in mtk_clk_mux_is_enabled()
72 	struct mtk_clk_mux *mux = to_mtk_clk_mux(hw);  in mtk_clk_mux_get_parent()  local
73 	u32 mask = GENMASK(mux->data->mux_width - 1, 0);  in mtk_clk_mux_get_parent()
76 	regmap_read(mux->regmap, mux->data->mux_ofs, &val);  in mtk_clk_mux_get_parent()
77 	val = (val >> mux->data->mux_shift) & mask;  in mtk_clk_mux_get_parent()
84 	struct mtk_clk_mux *mux = to_mtk_clk_mux(hw);  in mtk_clk_mux_set_parent_setclr_lock()  local
85 	u32 mask = GENMASK(mux->data->mux_width - 1, 0);  in mtk_clk_mux_set_parent_setclr_lock()
89 	if (mux->lock)  in mtk_clk_mux_set_parent_setclr_lock()
90 		spin_lock_irqsave(mux->lock, flags);  in mtk_clk_mux_set_parent_setclr_lock()
92 		__acquire(mux->lock);  in mtk_clk_mux_set_parent_setclr_lock()
94 	regmap_read(mux->regmap, mux->data->mux_ofs, &orig);  in mtk_clk_mux_set_parent_setclr_lock()
95 	val = (orig & ~(mask << mux->data->mux_shift))  in mtk_clk_mux_set_parent_setclr_lock()
96 			| (index << mux->data->mux_shift);  in mtk_clk_mux_set_parent_setclr_lock()
99 		regmap_write(mux->regmap, mux->data->clr_ofs,  in mtk_clk_mux_set_parent_setclr_lock()
100 				mask << mux->data->mux_shift);  in mtk_clk_mux_set_parent_setclr_lock()
101 		regmap_write(mux->regmap, mux->data->set_ofs,  in mtk_clk_mux_set_parent_setclr_lock()
102 				index << mux->data->mux_shift);  in mtk_clk_mux_set_parent_setclr_lock()
104 		if (mux->data->upd_shift >= 0) {  in mtk_clk_mux_set_parent_setclr_lock()
105 			regmap_write(mux->regmap, mux->data->upd_ofs,  in mtk_clk_mux_set_parent_setclr_lock()
106 					BIT(mux->data->upd_shift));  in mtk_clk_mux_set_parent_setclr_lock()
107 			mux->reparent = true;  in mtk_clk_mux_set_parent_setclr_lock()
111 	if (mux->lock)  in mtk_clk_mux_set_parent_setclr_lock()
112 		spin_unlock_irqrestore(mux->lock, flags);  in mtk_clk_mux_set_parent_setclr_lock()
114 		__release(mux->lock);  in mtk_clk_mux_set_parent_setclr_lock()
132 static struct clk *mtk_clk_register_mux(const struct mtk_mux *mux,  in mtk_clk_register_mux()  argument
144 	init.name = mux->name;  in mtk_clk_register_mux()
145 	init.flags = mux->flags | CLK_SET_RATE_PARENT;  in mtk_clk_register_mux()
146 	init.parent_names = mux->parent_names;  in mtk_clk_register_mux()
147 	init.num_parents = mux->num_parents;  in mtk_clk_register_mux()
148 	init.ops = mux->ops;  in mtk_clk_register_mux()
151 	clk_mux->data = mux;  in mtk_clk_register_mux()
181 		const struct mtk_mux *mux = &muxes[i];  in mtk_clk_register_muxes()  local
183 		if (IS_ERR_OR_NULL(clk_data->clks[mux->id])) {  in mtk_clk_register_muxes()
184 			clk = mtk_clk_register_mux(mux, regmap, lock);  in mtk_clk_register_muxes()
188 				       mux->name, PTR_ERR(clk));  in mtk_clk_register_muxes()
192 			clk_data->clks[mux->id] = clk;  in mtk_clk_register_muxes()