clk/sunxi-ng/ccu_mux.c

18 			      struct ccu_mux_internal *cm,
34 		parent_index = reg >> cm->shift;
35 		parent_index &= (1 << cm->width) - 1;
41 		for (i = 0; i < cm->n_predivs; i++)
42 			if (parent_index == cm->fixed_predivs[i].index)
43 				prediv = cm->fixed_predivs[i].div;
49 		for (i = 0; i < cm->n_var_predivs; i++)
50 			if (parent_index == cm->var_predivs[i].index) {
53 				div = reg >> cm->var_predivs[i].shift;
54 				div &= (1 << cm->var_predivs[i].width) - 1;
63 					  struct ccu_mux_internal *cm,
67 	return parent_rate / ccu_mux_get_prediv(common, cm, parent_index);
72 					    struct ccu_mux_internal *cm,
76 	return parent_rate * ccu_mux_get_prediv(common, cm, parent_index);
80 				  struct ccu_mux_internal *cm,
98 		adj_parent_rate = ccu_mux_helper_apply_prediv(common, cm, -1,
101 		best_rate = round(cm, best_parent, &adj_parent_rate,
109 		best_parent_rate = ccu_mux_helper_unapply_prediv(common, cm, -1,
123 		parent_rate = ccu_mux_helper_apply_prediv(common, cm, i,
126 		tmp_rate = round(cm, parent, &parent_rate, req->rate, data);
133 		parent_rate = ccu_mux_helper_unapply_prediv(common, cm, i,
161 			     struct ccu_mux_internal *cm)
167 	parent = reg >> cm->shift;
168 	parent &= (1 << cm->width) - 1;
170 	if (cm->table) {
175 			if (cm->table[i] == parent)
184 			      struct ccu_mux_internal *cm,
190 	if (cm->table)
191 		index = cm->table[index];
201 	reg &= ~GENMASK(cm->width + cm->shift - 1, cm->shift);
202 	writel(reg | (index << cm->shift), common->base + common->reg);
212 	struct ccu_mux *cm = hw_to_ccu_mux(hw);
214 	return ccu_gate_helper_disable(&cm->common, cm->enable);
219 	struct ccu_mux *cm = hw_to_ccu_mux(hw);
221 	return ccu_gate_helper_enable(&cm->common, cm->enable);
226 	struct ccu_mux *cm = hw_to_ccu_mux(hw);
228 	return ccu_gate_helper_is_enabled(&cm->common, cm->enable);
233 	struct ccu_mux *cm = hw_to_ccu_mux(hw);
235 	return ccu_mux_helper_get_parent(&cm->common, &cm->mux);
240 	struct ccu_mux *cm = hw_to_ccu_mux(hw);
242 	return ccu_mux_helper_set_parent(&cm->common, &cm->mux, index);
248 	struct ccu_mux *cm = hw_to_ccu_mux(hw);
250 	if (cm->common.features & CCU_FEATURE_CLOSEST_RATE)
259 	struct ccu_mux *cm = hw_to_ccu_mux(hw);
261 	return ccu_mux_helper_apply_prediv(&cm->common, &cm->mux, -1,
292 								mux->cm);
293 		ret = ccu_mux_helper_set_parent(mux->common, mux->cm,
296 		ret = ccu_mux_helper_set_parent(mux->common, mux->cm,