3444 static int madera_find_sync_fratio(unsigned int fref, int *fratio)  in madera_find_sync_fratio()  argument
3449 		if (fll_sync_fratios[i].min <= fref &&  in madera_find_sync_fratio()
3450 		    fref <= fll_sync_fratios[i].max) {  in madera_find_sync_fratio()
3461 static int madera_find_main_fratio(unsigned int fref, unsigned int fout,  in madera_find_main_fratio()  argument
3466 	while ((fout / (ratio * fref)) > MADERA_FLL_MAX_N)  in madera_find_main_fratio()
3475 static int madera_find_fratio(struct madera_fll *fll, unsigned int fref,  in madera_find_fratio()  argument
3483 			return madera_find_sync_fratio(fref, fratio);  in madera_find_fratio()
3486 				return madera_find_sync_fratio(fref, fratio);  in madera_find_fratio()
3488 				return madera_find_main_fratio(fref,  in madera_find_fratio()
3496 		return madera_find_sync_fratio(fref, fratio);  in madera_find_fratio()
3499 			return madera_find_sync_fratio(fref, fratio);  in madera_find_fratio()
3501 			return madera_find_main_fratio(fref, fll->fout, fratio);  in madera_find_fratio()
3507 			      unsigned int fref, bool sync)  in madera_calc_fratio()  argument
3512 	/* fref must be <=13.5MHz, find initial refdiv */  in madera_calc_fratio()
3515 	while (fref > MADERA_FLL_MAX_FREF) {  in madera_calc_fratio()
3517 		fref /= 2;  in madera_calc_fratio()
3525 	init_ratio = madera_find_fratio(fll, fref, sync, &cfg->fratio);  in madera_calc_fratio()
3527 		madera_fll_err(fll, "Unable to find FRATIO for fref=%uHz\n",  in madera_calc_fratio()
3528 			       fref);  in madera_calc_fratio()
3567 			if (fll->fout % (ratio * fref)) {  in madera_calc_fratio()
3577 			    (MADERA_FLL_VCO_MULT * ratio) < fref)  in madera_calc_fratio()
3580 			if (fref > pseudo_fref_max[ratio - 1])  in madera_calc_fratio()
3583 			if (fll->fout % (ratio * fref)) {  in madera_calc_fratio()
3591 		fref /= 2;  in madera_calc_fratio()
3593 		init_ratio = madera_find_fratio(fll, fref, sync, NULL);  in madera_calc_fratio()
3603 				unsigned int fref,  in madera_find_fll_gain()  argument
3610 		if (gains[i].min <= fref && fref <= gains[i].max) {  in madera_find_fll_gain()
3617 	madera_fll_err(fll, "Unable to find gain for fref=%uHz\n", fref);  in madera_find_fll_gain()
3624 			   unsigned int fref, bool sync)  in madera_calc_fll()  argument
3631 	madera_fll_dbg(fll, "fref=%u Fout=%u fvco=%u\n",  in madera_calc_fll()
3632 		       fref, fll->fout, fll->fout * MADERA_FLL_VCO_MULT);  in madera_calc_fll()
3635 	ratio = madera_calc_fratio(fll, cfg, fref, sync);  in madera_calc_fll()
3640 	fref = fref / (1 << cfg->refdiv);  in madera_calc_fll()
3642 	cfg->n = fll->fout / (ratio * fref);  in madera_calc_fll()
3644 	if (fll->fout % (ratio * fref)) {  in madera_calc_fll()
3645 		gcd_fll = gcd(fll->fout, ratio * fref);  in madera_calc_fll()
3648 		cfg->theta = (fll->fout - (cfg->n * ratio * fref))  in madera_calc_fll()
3650 		cfg->lambda = (ratio * fref) / gcd_fll;  in madera_calc_fll()
3702 	ret = madera_find_fll_gain(fll, cfg, fref, gains, n_gains);  in madera_calc_fll()
4124 			   unsigned int fref, unsigned int fout)  in madera_set_fll_syncclk()  argument
4132 	if (fll->sync_src == source && fll->sync_freq == fref)  in madera_set_fll_syncclk()
4136 	fll->sync_freq = fref;  in madera_set_fll_syncclk()
4143 			  unsigned int fref, unsigned int fout)  in madera_set_fll_refclk()  argument
4148 	    fll->ref_freq == fref && fll->fout == fout)  in madera_set_fll_refclk()
4167 	fll->ref_freq = fref;  in madera_set_fll_refclk()
4424 	int refdiv, fref, fout, lockdet_thr, fbdiv, hp, fast_clk, fllgcd;  in madera_fllhj_apply()  local
4435 	fref = fin / (1 << refdiv);  in madera_fllhj_apply()
4442 	frac = fout % fref;  in madera_fllhj_apply()
4444 	if (fref < MADERA_FLLHJ_LOW_THRESH) {  in madera_fllhj_apply()
4451 	} else if (fref < MADERA_FLLHJ_MID_THRESH) {  in madera_fllhj_apply()
4478 	ratio = fout / fref;  in madera_fllhj_apply()
4480 	madera_fll_dbg(fll, "refdiv=%d, fref=%d, frac:%d\n",  in madera_fllhj_apply()
4481 		       refdiv, fref, frac);  in madera_fllhj_apply()
4502 	fllgcd = gcd(fout, fbdiv * fref);  in madera_fllhj_apply()
4504 	lambda = (fref * fbdiv) / fllgcd;  in madera_fllhj_apply()