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Lines Matching defs:fractional

43 	struct sunxi_ccu_fractional *fractional = &clk->u.fractional;
48 	if (!fractional->enable)
51 	val = CCU_READ(sc, fractional->reg);
53 		val |= fractional->enable;
55 		val &= ~fractional->enable;
56 	CCU_WRITE(sc, fractional->reg, val);
65 	struct sunxi_ccu_fractional *fractional = &clk->u.fractional;
81 	val = CCU_READ(sc, fractional->reg);
83 	if (fractional->prediv != 0) {
84 		rate = rate / (__SHIFTOUT(val, fractional->prediv) + 1);
85 	} else if (fractional->prediv_val > 0) {
86 		rate = rate / fractional->prediv_val;
89 	if (fractional->enable && !(val & fractional->enable))
92 	if ((val & fractional->div_en) == 0) {
93 		int sel = __SHIFTOUT(val, fractional->frac_sel);
94 		return fractional->frac[sel];
96 	m = __SHIFTOUT(val, fractional->m);
98 	if (fractional->flags & SUNXI_CCU_FRACTIONAL_PLUSONE)
108 	struct sunxi_ccu_fractional *fractional = &clk->u.fractional;
125 	val = CCU_READ(sc, fractional->reg);
127 	if (fractional->prediv != 0) {
128 		if (fractional->prediv_val > 0) {
129 			val &= ~fractional->prediv;
130 			val |= __SHIFTIN(fractional->prediv_val - 1,
131 					 fractional->prediv);
133 		parent_rate = parent_rate / (__SHIFTOUT(val, fractional->prediv) + 1);
134 	} else if (fractional->prediv_val > 0) {
135 		parent_rate = parent_rate / fractional->prediv_val;
138 	for (i = 0; i < __arraycount(fractional->frac); i++) {
139 		if (fractional->frac[i] == new_rate) {
140 			val &= ~fractional->prediv;
141 			val &= ~fractional->div_en;
142 			val &= ~fractional->frac_sel;
143 			val |= __SHIFTIN(i, fractional->frac_sel);
144 			if (fractional->flags & SUNXI_CCU_FRACTIONAL_SET_ENABLE)
145 				val |= fractional->enable;
146 			CCU_WRITE(sc, fractional->reg, val);
150 	val |= fractional->div_en;
155 	for (m = fractional->m_min; m <= fractional->m_max; m++) {
170 	if (fractional->flags & SUNXI_CCU_FRACTIONAL_PLUSONE)
173 	val &= ~fractional->m;
174 	val |= __SHIFTIN(best_m, fractional->m);
175 	if (fractional->flags & SUNXI_CCU_FRACTIONAL_SET_ENABLE)
176 		val |= fractional->enable;
177 	CCU_WRITE(sc, fractional->reg, val);
187 	struct sunxi_ccu_fractional *fractional = &clk->u.fractional;
204 	val = CCU_READ(sc, fractional->reg);
206 	if (fractional->prediv_val > 0) {
207 		parent_rate = parent_rate / fractional->prediv_val;
208 	} else if (fractional->prediv != 0) {
209 		val = CCU_READ(sc, fractional->reg);
210 		parent_rate = parent_rate / (__SHIFTOUT(val, fractional->prediv) + 1);
213 	for (i = 0; i < __arraycount(fractional->frac); i++) {
214 		if (fractional->frac[i] == try_rate) {
222 	for (m = fractional->m_min; m <= fractional->m_max; m++) {
240 	struct sunxi_ccu_fractional *fractional = &clk->u.fractional;
244 	return fractional->parent;