clk/qcom/clk-rcg.c

18 static u32 ns_to_src(struct src_sel *s, u32 ns)
20 	ns >>= s->src_sel_shift;
21 	ns &= SRC_SEL_MASK;
22 	return ns;
25 static u32 src_to_ns(struct src_sel *s, u8 src, u32 ns)
31 	ns &= ~mask;
33 	ns |= src << s->src_sel_shift;
34 	return ns;
41 	u32 ns;
44 	ret = regmap_read(rcg->clkr.regmap, rcg->ns_reg, &ns);
47 	ns = ns_to_src(&rcg->s, ns);
49 		if (ns == rcg->s.parent_map[i].cfg)
68 	u32 ns, reg;
79 	ret = regmap_read(rcg->clkr.regmap, rcg->ns_reg[bank], &ns);
82 	ns = ns_to_src(s, ns);
85 		if (ns == s->parent_map[i].cfg)
97 	u32 ns;
99 	regmap_read(rcg->clkr.regmap, rcg->ns_reg, &ns);
100 	ns = src_to_ns(&rcg->s, rcg->s.parent_map[index].cfg, ns);
101 	regmap_write(rcg->clkr.regmap, rcg->ns_reg, ns);
113 static u32 ns_to_pre_div(struct pre_div *p, u32 ns)
115 	ns >>= p->pre_div_shift;
116 	ns &= BIT(p->pre_div_width) - 1;
117 	return ns;
120 static u32 pre_div_to_ns(struct pre_div *p, u8 pre_div, u32 ns)
126 	ns &= ~mask;
128 	ns |= pre_div << p->pre_div_shift;
129 	return ns;
149 static u32 ns_m_to_n(struct mn *mn, u32 ns, u32 m)
151 	ns = ~ns >> mn->n_val_shift;
152 	ns &= BIT(mn->width) - 1;
153 	return ns + m;
163 static u32 mn_to_ns(struct mn *mn, u32 m, u32 n, u32 ns)
169 	ns &= ~mask;
176 		ns |= n;
179 	return ns;
200 	u32 ns, md, reg;
220 	ret = regmap_read(rcg->clkr.regmap, ns_reg, &ns);
228 		ns |= BIT(mn->mnctr_reset_bit);
229 		ret = regmap_write(rcg->clkr.regmap, ns_reg, ns);
240 		ns = mn_to_ns(mn, f->m, f->n, ns);
241 		ret = regmap_write(rcg->clkr.regmap, ns_reg, ns);
247 			ns = mn_to_reg(mn, f->m, f->n, ns);
248 			ret = regmap_write(rcg->clkr.regmap, ns_reg, ns);
259 		ns &= ~BIT(mn->mnctr_reset_bit);
260 		ret = regmap_write(rcg->clkr.regmap, ns_reg, ns);
267 		ns = pre_div_to_ns(p, f->pre_div - 1, ns);
274 	ns = src_to_ns(s, s->parent_map[index].cfg, ns);
275 	ret = regmap_write(rcg->clkr.regmap, ns_reg, ns);
294 	u32 ns, md, reg;
303 	regmap_read(rcg->clkr.regmap, rcg->ns_reg[bank], &ns);
308 		f.n = ns_m_to_n(&rcg->mn[bank], ns, f.m);
312 		f.pre_div = ns_to_pre_div(&rcg->p[bank], ns) + 1;
345 	u32 pre_div, m = 0, n = 0, ns, md, mode = 0;
348 	regmap_read(rcg->clkr.regmap, rcg->ns_reg, &ns);
349 	pre_div = ns_to_pre_div(&rcg->p, ns);
354 		n = ns_m_to_n(mn, ns, m);
359 			mode = ns;
370 	u32 m, n, pre_div, ns, md, mode, reg;
379 	regmap_read(rcg->clkr.regmap, rcg->ns_reg[bank], &ns);
386 		n = ns_m_to_n(mn, ns, m);
389 			reg = ns;
394 		pre_div = ns_to_pre_div(&rcg->p[bank], ns);
476 	u32 ns, md, ctl;
494 		regmap_read(rcg->clkr.regmap, rcg->ns_reg, &ns);
501 			ns = mn_to_reg(mn, f->m, f->n, ns);
503 		ns = mn_to_ns(mn, f->m, f->n, ns);
505 		regmap_read(rcg->clkr.regmap, rcg->ns_reg, &ns);
508 	ns = pre_div_to_ns(&rcg->p, f->pre_div - 1, ns);
509 	regmap_write(rcg->clkr.regmap, rcg->ns_reg, ns);
567 	u32 ns, src;
570 	ret = regmap_read(rcg->clkr.regmap, rcg->ns_reg, &ns);
574 	src = ns_to_src(&rcg->s, ns);
575 	f.pre_div = ns_to_pre_div(&rcg->p, ns) + 1;
638 	u32 ns, src;
641 	ret = regmap_read(rcg->clkr.regmap, rcg->ns_reg, &ns);
645 	src = ns_to_src(&rcg->s, ns);
711 	u32 ns;
717 	ret = regmap_read(rcg->clkr.regmap, rcg->ns_reg, &ns);
721 	ns = ns_to_src(&rcg->s, ns);
724 		if (ns == rcg->s.parent_map[i].cfg) {