424 static bool dai_ssp_find_mn(uint32_t freq, uint32_t bclk, uint32_t *out_scr_div, uint32_t *out_m,  in dai_ssp_find_mn()  argument
428 	uint32_t scr_div = freq / bclk;  in dai_ssp_find_mn()
430 	LOG_INF("for freq %d bclk %d", freq, bclk);  in dai_ssp_find_mn()
432 	if (freq % bclk == 0 && scr_div < (SSCR0_SCR_MASK >> 8) + 1) {  in dai_ssp_find_mn()
441 	if ((bclk * 2) >= freq) {  in dai_ssp_find_mn()
459 	mn_div = dai_ssp_gcd(bclk, freq / scr_div);  in dai_ssp_find_mn()
461 	m = bclk / mn_div;  in dai_ssp_find_mn()
487 static int dai_ssp_find_bclk_source(struct dai_intel_ssp *dp, uint32_t bclk, uint32_t *scr_div,  in dai_ssp_find_bclk_source()  argument
496 		if (dai_ssp_find_mn(ft[mp->mclk_source_clock].freq, bclk, scr_div, m, n)) {  in dai_ssp_find_bclk_source()
500 		LOG_WRN("BCLK %d warning: cannot use MCLK source %d", bclk,  in dai_ssp_find_bclk_source()
506 		if (ft[i].freq % bclk == 0) {  in dai_ssp_find_bclk_source()
507 			*scr_div = ft[i].freq / bclk;  in dai_ssp_find_bclk_source()
513 		if (dai_ssp_find_mn(ft[i].freq, bclk, scr_div, m, n)) {  in dai_ssp_find_bclk_source()
571 static int dai_ssp_setup_initial_bclk_mn_source(struct dai_intel_ssp *dp, uint32_t bclk,  in dai_ssp_setup_initial_bclk_mn_source()  argument
577 	int clk_index = dai_ssp_find_bclk_source(dp, bclk, scr_div, m, n);  in dai_ssp_setup_initial_bclk_mn_source()
580 		LOG_ERR("BCLK %d, no valid source", bclk);  in dai_ssp_setup_initial_bclk_mn_source()
635 static int dai_ssp_setup_current_bclk_mn_source(struct dai_intel_ssp *dp, uint32_t bclk,  in dai_ssp_setup_current_bclk_mn_source()  argument
643 	if (dai_ssp_find_mn(ft[mp->bclk_source_mn_clock].freq, bclk, scr_div, m, n)) {  in dai_ssp_setup_current_bclk_mn_source()
648 		bclk, mp->bclk_source_mn_clock);  in dai_ssp_setup_current_bclk_mn_source()
656 static bool dai_ssp_check_bclk_xtal_source(uint32_t bclk, bool mn_in_use,  in dai_ssp_check_bclk_xtal_source()  argument