131 static long vt8500_dclk_round_rate(struct clk_hw *hw, unsigned long rate,  in vt8500_dclk_round_rate()  argument
137 	if (rate == 0)  in vt8500_dclk_round_rate()
140 	divisor = *prate / rate;  in vt8500_dclk_round_rate()
142 	/* If prate / rate would be decimal, incr the divisor */  in vt8500_dclk_round_rate()
143 	if (rate * divisor < *prate)  in vt8500_dclk_round_rate()
157 static int vt8500_dclk_set_rate(struct clk_hw *hw, unsigned long rate,  in vt8500_dclk_set_rate()  argument
164 	if (rate == 0)  in vt8500_dclk_set_rate()
167 	divisor =  parent_rate / rate;  in vt8500_dclk_set_rate()
350 static int vt8500_find_pll_bits(unsigned long rate, unsigned long parent_rate,  in vt8500_find_pll_bits()  argument
356 	if ((rate < parent_rate * 4) || (rate > parent_rate * 62)) {  in vt8500_find_pll_bits()
357 		pr_err("%s: requested rate out of range\n", __func__);  in vt8500_find_pll_bits()
362 	if (rate <= parent_rate * 31)  in vt8500_find_pll_bits()
368 	*multiplier = rate / (parent_rate / *prediv);  in vt8500_find_pll_bits()
371 	if (tclk != rate)  in vt8500_find_pll_bits()
372 		pr_warn("%s: requested rate %lu, found rate %lu\n", __func__,  in vt8500_find_pll_bits()
373 								rate, tclk);  in vt8500_find_pll_bits()
389 static int wm8650_find_pll_bits(unsigned long rate,  in wm8650_find_pll_bits()  argument
395 	if (!parent_rate || (rate < 37500000) || (rate > 600000000))  in wm8650_find_pll_bits()
398 	*divisor2 = rate <= 75000000 ? 3 : rate <= 150000000 ? 2 :  in wm8650_find_pll_bits()
399 					   rate <= 300000000 ? 1 : 0;  in wm8650_find_pll_bits()
402 	 * will be as close as possible to the requested rate.  in wm8650_find_pll_bits()
406 		O1 = rate * *divisor1 * (1 << (*divisor2));  in wm8650_find_pll_bits()
420 	pr_warn("%s: rate error is %lu\n", __func__, min_err);  in wm8650_find_pll_bits()
452 static int wm8750_find_pll_bits(unsigned long rate, unsigned long parent_rate,  in wm8750_find_pll_bits()  argument
466 				if (tclk > rate)  in wm8750_find_pll_bits()
469 				rate_err = rate - tclk;  in wm8750_find_pll_bits()
487 		pr_warn("%s: impossible rate %lu\n", __func__, rate);  in wm8750_find_pll_bits()
492 	pr_warn("%s: requested rate %lu, found rate %lu\n", __func__, rate,  in wm8750_find_pll_bits()
493 							rate - best_err);  in wm8750_find_pll_bits()
500 static int wm8850_find_pll_bits(unsigned long rate, unsigned long parent_rate,  in wm8850_find_pll_bits()  argument
515 				if (tclk > rate)  in wm8850_find_pll_bits()
518 				rate_err = rate - tclk;  in wm8850_find_pll_bits()
535 		pr_warn("%s: impossible rate %lu\n", __func__, rate);  in wm8850_find_pll_bits()
540 	pr_warn("%s: requested rate %lu, found rate %lu\n", __func__, rate,  in wm8850_find_pll_bits()
541 							rate - best_err);  in wm8850_find_pll_bits()
546 static int vtwm_pll_set_rate(struct clk_hw *hw, unsigned long rate,  in vtwm_pll_set_rate()  argument
559 		ret = vt8500_find_pll_bits(rate, parent_rate, &mul, &div1);  in vtwm_pll_set_rate()
564 		ret = wm8650_find_pll_bits(rate, parent_rate, &mul, &div1, &div2);  in vtwm_pll_set_rate()
569 		ret = wm8750_find_pll_bits(rate, parent_rate, &filter, &mul, &div1, &div2);  in vtwm_pll_set_rate()
574 		ret = wm8850_find_pll_bits(rate, parent_rate, &mul, &div1, &div2);  in vtwm_pll_set_rate()
597 static long vtwm_pll_round_rate(struct clk_hw *hw, unsigned long rate,  in vtwm_pll_round_rate()  argument
607 		ret = vt8500_find_pll_bits(rate, *prate, &mul, &div1);  in vtwm_pll_round_rate()
612 		ret = wm8650_find_pll_bits(rate, *prate, &mul, &div1, &div2);  in vtwm_pll_round_rate()
617 		ret = wm8750_find_pll_bits(rate, *prate, &filter, &mul, &div1, &div2);  in vtwm_pll_round_rate()
622 		ret = wm8850_find_pll_bits(rate, *prate, &mul, &div1, &div2);  in vtwm_pll_round_rate()