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Differential D23110 Diff 66776 sys/dev/extres/clk/clk.c

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sys/dev/extres/clk/clk.c

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#ifdef FDT #ifdef FDT
#include <dev/fdt/fdt_common.h> #include <dev/fdt/fdt_common.h>
#include <dev/ofw/ofw_bus.h> #include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h> #include <dev/ofw/ofw_bus_subr.h>
#endif #endif
#include <dev/extres/clk/clk.h> #include <dev/extres/clk/clk.h>
SYSCTL_NODE(_hw, OID_AUTO, clock, CTLFLAG_RD, NULL, "Clocks"); SYSCTL_NODE(_hw, OID_AUTO, clock, CTLFLAG_RD | CTLFLAG_MPSAFE, NULL,
"Clocks");
MALLOC_DEFINE(M_CLOCK, "clocks", "Clock framework"); MALLOC_DEFINE(M_CLOCK, "clocks", "Clock framework");
/* Forward declarations. */ /* Forward declarations. */
struct clk; struct clk;
struct clknodenode; struct clknodenode;
struct clkdom; struct clkdom;
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clkdom = malloc(sizeof(struct clkdom), M_CLOCK, M_WAITOK | M_ZERO); clkdom = malloc(sizeof(struct clkdom), M_CLOCK, M_WAITOK | M_ZERO);
clkdom->dev = dev; clkdom->dev = dev;
TAILQ_INIT(&clkdom->clknode_list); TAILQ_INIT(&clkdom->clknode_list);
#ifdef FDT #ifdef FDT
clkdom->ofw_mapper = clknode_default_ofw_map; clkdom->ofw_mapper = clknode_default_ofw_map;
#endif #endif
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
OID_AUTO, "clocks", OID_AUTO, "clocks",
CTLTYPE_STRING | CTLFLAG_RD, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
clkdom, 0, clkdom_sysctl, clkdom, 0, clkdom_sysctl, "A",
"A", "Clock list for the domain");
"Clock list for the domain");
return (clkdom); return (clkdom);
} }
void void
clkdom_unlock(struct clkdom *clkdom) clkdom_unlock(struct clkdom *clkdom)
{ {
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if (replaced) if (replaced)
return (clknode); return (clknode);
sysctl_ctx_init(&clknode->sysctl_ctx); sysctl_ctx_init(&clknode->sysctl_ctx);
clknode_oid = SYSCTL_ADD_NODE(&clknode->sysctl_ctx, clknode_oid = SYSCTL_ADD_NODE(&clknode->sysctl_ctx,
SYSCTL_STATIC_CHILDREN(_hw_clock), SYSCTL_STATIC_CHILDREN(_hw_clock),
OID_AUTO, clknode->name, OID_AUTO, clknode->name,
CTLFLAG_RD, 0, "A clock node"); CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
"A clock node");
SYSCTL_ADD_U64(&clknode->sysctl_ctx, SYSCTL_ADD_U64(&clknode->sysctl_ctx,
SYSCTL_CHILDREN(clknode_oid), SYSCTL_CHILDREN(clknode_oid),
OID_AUTO, "frequency", OID_AUTO, "frequency",
CTLFLAG_RD, &clknode->freq, 0, "The clock frequency"); CTLFLAG_RD, &clknode->freq, 0, "The clock frequency");
SYSCTL_ADD_PROC(&clknode->sysctl_ctx, SYSCTL_ADD_PROC(&clknode->sysctl_ctx,
SYSCTL_CHILDREN(clknode_oid), SYSCTL_CHILDREN(clknode_oid),
OID_AUTO, "parent", OID_AUTO, "parent",
CTLTYPE_STRING | CTLFLAG_RD, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
clknode, CLKNODE_SYSCTL_PARENT, clknode_sysctl, clknode, CLKNODE_SYSCTL_PARENT, clknode_sysctl, "A",
"A",
"The clock parent"); "The clock parent");
SYSCTL_ADD_PROC(&clknode->sysctl_ctx, SYSCTL_ADD_PROC(&clknode->sysctl_ctx,
SYSCTL_CHILDREN(clknode_oid), SYSCTL_CHILDREN(clknode_oid),
OID_AUTO, "parents", OID_AUTO, "parents",
CTLTYPE_STRING | CTLFLAG_RD, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
clknode, CLKNODE_SYSCTL_PARENTS_LIST, clknode_sysctl, clknode, CLKNODE_SYSCTL_PARENTS_LIST, clknode_sysctl, "A",
"A",
"The clock parents list"); "The clock parents list");
SYSCTL_ADD_PROC(&clknode->sysctl_ctx, SYSCTL_ADD_PROC(&clknode->sysctl_ctx,
SYSCTL_CHILDREN(clknode_oid), SYSCTL_CHILDREN(clknode_oid),
OID_AUTO, "childrens", OID_AUTO, "childrens",
CTLTYPE_STRING | CTLFLAG_RD, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
clknode, CLKNODE_SYSCTL_CHILDREN_LIST, clknode_sysctl, clknode, CLKNODE_SYSCTL_CHILDREN_LIST, clknode_sysctl, "A",
"A",
"The clock childrens list"); "The clock childrens list");
SYSCTL_ADD_INT(&clknode->sysctl_ctx, SYSCTL_ADD_INT(&clknode->sysctl_ctx,
SYSCTL_CHILDREN(clknode_oid), SYSCTL_CHILDREN(clknode_oid),
OID_AUTO, "enable_cnt", OID_AUTO, "enable_cnt",
CTLFLAG_RD, &clknode->enable_cnt, 0, "The clock enable counter"); CTLFLAG_RD, &clknode->enable_cnt, 0, "The clock enable counter");
return (clknode); return (clknode);
} }
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