1 /*-
28 #include <sys/conf.h>
35 #include <dev/clk/clk_mux.h>
50 static int clknode_mux_init(struct clknode *clk, device_t dev);
51 static int clknode_mux_set_mux(struct clknode *clk, int idx);
71 clknode_mux_init(struct clknode *clk, device_t dev)  in clknode_mux_init()  argument
77 	sc = clknode_get_softc(clk);  in clknode_mux_init()
79 	DEVICE_LOCK(clk);  in clknode_mux_init()
80 	rv = RD4(clk, sc->offset, &reg);  in clknode_mux_init()
81 	DEVICE_UNLOCK(clk);  in clknode_mux_init()
85 	reg = (reg >> sc->shift) & sc->mask;  in clknode_mux_init()
86 	clknode_init_parent_idx(clk, reg);  in clknode_mux_init()
91 clknode_mux_set_mux(struct clknode *clk, int idx)  in clknode_mux_set_mux()  argument
97 	sc = clknode_get_softc(clk);  in clknode_mux_set_mux()
99 	DEVICE_LOCK(clk);  in clknode_mux_set_mux()
100 	rv = MD4(clk, sc->offset, sc->mask << sc->shift,  in clknode_mux_set_mux()
101 	    (idx & sc->mask) << sc->shift);  in clknode_mux_set_mux()
103 		DEVICE_UNLOCK(clk);  in clknode_mux_set_mux()
106 	RD4(clk, sc->offset, &reg);  in clknode_mux_set_mux()
107 	DEVICE_UNLOCK(clk);  in clknode_mux_set_mux()
115 	struct clknode *clk;  in clknode_mux_register()  local
118 	clk = clknode_create(clkdom, &clknode_mux_class, &clkdef->clkdef);  in clknode_mux_register()
119 	if (clk == NULL)  in clknode_mux_register()
122 	sc = clknode_get_softc(clk);  in clknode_mux_register()
123 	sc->offset = clkdef->offset;  in clknode_mux_register()
124 	sc->shift = clkdef->shift;  in clknode_mux_register()
125 	sc->mask =  (1 << clkdef->width) - 1;  in clknode_mux_register()
126 	sc->mux_flags = clkdef->mux_flags;  in clknode_mux_register()
128 	clknode_register(clkdom, clk);  in clknode_mux_register()