31 static int sclk_div_maxval(struct meson_sclk_div_data *sclk)  in sclk_div_maxval()  argument
33 	return (1 << sclk->div.width) - 1;  in sclk_div_maxval()
36 static int sclk_div_maxdiv(struct meson_sclk_div_data *sclk)  in sclk_div_maxdiv()  argument
38 	return sclk_div_maxval(sclk) + 1;  in sclk_div_maxdiv()
51 			    struct meson_sclk_div_data *sclk)  in sclk_div_bestdiv()  argument
61 	maxdiv = sclk_div_maxdiv(sclk);  in sclk_div_bestdiv()
92 		bestdiv = sclk_div_maxdiv(sclk);  in sclk_div_bestdiv()
103 	struct meson_sclk_div_data *sclk = meson_sclk_div_data(clk);  in sclk_div_determine_rate()  local
106 	div = sclk_div_bestdiv(hw, req->rate, &req->best_parent_rate, sclk);  in sclk_div_determine_rate()
113 			     struct meson_sclk_div_data *sclk)  in sclk_apply_ratio()  argument
115 	unsigned int hi = DIV_ROUND_CLOSEST(sclk->cached_div *  in sclk_apply_ratio()
116 					    sclk->cached_duty.num,  in sclk_apply_ratio()
117 					    sclk->cached_duty.den);  in sclk_apply_ratio()
122 	meson_parm_write(clk->map, &sclk->hi, hi);  in sclk_apply_ratio()
129 	struct meson_sclk_div_data *sclk = meson_sclk_div_data(clk);  in sclk_div_set_duty_cycle()  local
131 	if (MESON_PARM_APPLICABLE(&sclk->hi)) {  in sclk_div_set_duty_cycle()
132 		memcpy(&sclk->cached_duty, duty, sizeof(*duty));  in sclk_div_set_duty_cycle()
133 		sclk_apply_ratio(clk, sclk);  in sclk_div_set_duty_cycle()
143 	struct meson_sclk_div_data *sclk = meson_sclk_div_data(clk);  in sclk_div_get_duty_cycle()  local
146 	if (!MESON_PARM_APPLICABLE(&sclk->hi)) {  in sclk_div_get_duty_cycle()
152 	hi = meson_parm_read(clk->map, &sclk->hi);  in sclk_div_get_duty_cycle()
154 	duty->den = sclk->cached_div;  in sclk_div_get_duty_cycle()
159 			       struct meson_sclk_div_data *sclk)  in sclk_apply_divider()  argument
161 	if (MESON_PARM_APPLICABLE(&sclk->hi))  in sclk_apply_divider()
162 		sclk_apply_ratio(clk, sclk);  in sclk_apply_divider()
164 	meson_parm_write(clk->map, &sclk->div, sclk->cached_div - 1);  in sclk_apply_divider()
171 	struct meson_sclk_div_data *sclk = meson_sclk_div_data(clk);  in sclk_div_set_rate()  local
172 	unsigned long maxdiv = sclk_div_maxdiv(sclk);  in sclk_div_set_rate()
174 	sclk->cached_div = sclk_div_getdiv(hw, rate, prate, maxdiv);  in sclk_div_set_rate()
177 		sclk_apply_divider(clk, sclk);  in sclk_div_set_rate()
186 	struct meson_sclk_div_data *sclk = meson_sclk_div_data(clk);  in sclk_div_recalc_rate()  local
188 	return DIV_ROUND_UP_ULL((u64)prate, sclk->cached_div);  in sclk_div_recalc_rate()
194 	struct meson_sclk_div_data *sclk = meson_sclk_div_data(clk);  in sclk_div_enable()  local
196 	sclk_apply_divider(clk, sclk);  in sclk_div_enable()
204 	struct meson_sclk_div_data *sclk = meson_sclk_div_data(clk);  in sclk_div_disable()  local
206 	meson_parm_write(clk->map, &sclk->div, 0);  in sclk_div_disable()
212 	struct meson_sclk_div_data *sclk = meson_sclk_div_data(clk);  in sclk_div_is_enabled()  local
214 	if (meson_parm_read(clk->map, &sclk->div))  in sclk_div_is_enabled()
223 	struct meson_sclk_div_data *sclk = meson_sclk_div_data(clk);  in sclk_div_init()  local
226 	val = meson_parm_read(clk->map, &sclk->div);  in sclk_div_init()
230 		sclk->cached_div = sclk_div_maxdiv(sclk);  in sclk_div_init()
232 		sclk->cached_div = val + 1;  in sclk_div_init()
234 	sclk_div_get_duty_cycle(hw, &sclk->cached_duty);  in sclk_div_init()