1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
55 	uint32_t		ti_clksel_offset; /* mult-div1 */
82 	uint32_t max;  in ti_clk_factor_get_max()  local
84 	if (factor->flags & TI_CLK_FACTOR_FIXED)  in ti_clk_factor_get_max()
85 		max = factor->value;  in ti_clk_factor_get_max()
87 		max = (1 << factor->width);  in ti_clk_factor_get_max()
90 	return (max);  in ti_clk_factor_get_max()
98 	if (factor->flags & TI_CLK_FACTOR_FIXED)  in ti_clk_factor_get_min()
99 		min = factor->value;  in ti_clk_factor_get_min()
100 	else if (factor->flags & TI_CLK_FACTOR_ZERO_BASED)  in ti_clk_factor_get_min()
102 	else if (factor->flags & TI_CLK_FACTOR_MIN_VALUE)  in ti_clk_factor_get_min()
103 		min = factor->min_value;  in ti_clk_factor_get_min()
114 	uint64_t cur, best;  in ti_dpll_clk_find_best()  local
119 	max_n = ti_clk_factor_get_max(&sc->n);  in ti_dpll_clk_find_best()
120 	max_p = ti_clk_factor_get_max(&sc->p);  in ti_dpll_clk_find_best()
121 	min_n = ti_clk_factor_get_min(&sc->n);  in ti_dpll_clk_find_best()
122 	min_p = ti_clk_factor_get_min(&sc->p);  in ti_dpll_clk_find_best()
126 			cur = fparent * n / p;  in ti_dpll_clk_find_best()
127 			if (abs(*fout - cur) < abs(*fout - best)) {  in ti_dpll_clk_find_best()
128 				best = cur;  in ti_dpll_clk_find_best()
146 	if (factor->flags & TI_CLK_FACTOR_FIXED)  in ti_clk_get_factor()
147 		return (factor->value);  in ti_clk_get_factor()
149 	factor_val = (val & factor->mask) >> factor->shift;  in ti_clk_get_factor()
150 	if (!(factor->flags & TI_CLK_FACTOR_ZERO_BASED))  in ti_clk_get_factor()
161 	if (factor->flags & TI_CLK_FACTOR_FIXED)  in ti_clk_factor_get_value()
162 		return (factor->value);  in ti_clk_factor_get_value()
164 	if (factor->flags & TI_CLK_FACTOR_ZERO_BASED)  in ti_clk_factor_get_value()
166 	else if (factor->flags & TI_CLK_FACTOR_MAX_VALUE &&  in ti_clk_factor_get_value()
167 	    raw > factor->max_value)  in ti_clk_factor_get_value()
168 		val = factor->max_value;  in ti_clk_factor_get_value()
170 		val = raw - 1;  in ti_clk_factor_get_value()
180 	uint64_t cur, best;  in ti_dpll_clk_set_freq()  local
185 	best = cur = 0;  in ti_dpll_clk_set_freq()
209 	WRITE4(clk, sc->ti_clkmode_offset, DPLL_EN_MN_BYPASS_MODE);  in ti_dpll_clk_set_freq()
215 		READ4(clk, sc->ti_idlest_offset, &val);  in ti_dpll_clk_set_freq()
216 	} while (!(val & ST_MN_BYPASS_MASK) && timeout--);  in ti_dpll_clk_set_freq()
224 	READ4(clk, sc->ti_clksel_offset, &val);  in ti_dpll_clk_set_freq()
226 	n = ti_clk_factor_get_value(&sc->n, best_n);  in ti_dpll_clk_set_freq()
227 	p = ti_clk_factor_get_value(&sc->p, best_p);  in ti_dpll_clk_set_freq()
228 	val &= ~sc->n.mask;  in ti_dpll_clk_set_freq()
229 	val &= ~sc->p.mask;  in ti_dpll_clk_set_freq()
230 	val |= n << sc->n.shift;  in ti_dpll_clk_set_freq()
231 	val |= p << sc->p.shift;  in ti_dpll_clk_set_freq()
233 	WRITE4(clk, sc->ti_clksel_offset, val);  in ti_dpll_clk_set_freq()
242 	WRITE4(clk, sc->ti_clkmode_offset, DPLL_EN_LOCK_MODE);  in ti_dpll_clk_set_freq()
248 		READ4(clk, sc->ti_idlest_offset, &val);  in ti_dpll_clk_set_freq()
249 	} while (!(val & ST_DPLL_CLK_MASK) && timeout--);  in ti_dpll_clk_set_freq()
271 	READ4(clk, sc->ti_clksel_offset, &val);  in ti_dpll_clk_recalc()
274 	n = ti_clk_get_factor(val, &sc->n);  in ti_dpll_clk_recalc()
275 	p = ti_clk_get_factor(val, &sc->p);  in ti_dpll_clk_recalc()
299 	clk = clknode_create(clkdom, &ti_dpll_clknode_class, &clkdef->clkdef);  in ti_clknode_dpll_register()
305 	sc->ti_clkmode_offset = clkdef->ti_clkmode_offset;  in ti_clknode_dpll_register()
306 	sc->ti_clkmode_flags = clkdef->ti_clkmode_flags;  in ti_clknode_dpll_register()
307 	sc->ti_idlest_offset = clkdef->ti_idlest_offset;  in ti_clknode_dpll_register()
308 	sc->ti_clksel_offset = clkdef->ti_clksel_offset;  in ti_clknode_dpll_register()
310 	sc->n.shift = clkdef->ti_clksel_mult.shift;  in ti_clknode_dpll_register()
311 	sc->n.mask = clkdef->ti_clksel_mult.mask;  in ti_clknode_dpll_register()
312 	sc->n.width = clkdef->ti_clksel_mult.width;  in ti_clknode_dpll_register()
313 	sc->n.value = clkdef->ti_clksel_mult.value;  in ti_clknode_dpll_register()
314 	sc->n.min_value = clkdef->ti_clksel_mult.min_value;  in ti_clknode_dpll_register()
315 	sc->n.max_value = clkdef->ti_clksel_mult.max_value;  in ti_clknode_dpll_register()
316 	sc->n.flags = clkdef->ti_clksel_mult.flags;  in ti_clknode_dpll_register()
318 	sc->p.shift = clkdef->ti_clksel_div.shift;  in ti_clknode_dpll_register()
319 	sc->p.mask = clkdef->ti_clksel_div.mask;  in ti_clknode_dpll_register()
320 	sc->p.width = clkdef->ti_clksel_div.width;  in ti_clknode_dpll_register()
321 	sc->p.value = clkdef->ti_clksel_div.value;  in ti_clknode_dpll_register()
322 	sc->p.min_value = clkdef->ti_clksel_div.min_value;  in ti_clknode_dpll_register()
323 	sc->p.max_value = clkdef->ti_clksel_div.max_value;  in ti_clknode_dpll_register()
324 	sc->p.flags = clkdef->ti_clksel_div.flags;  in ti_clknode_dpll_register()
326 	sc->ti_autoidle_offset = clkdef->ti_autoidle_offset;  in ti_clknode_dpll_register()