Differential D25118 Diff 72618 sys/dev/extres/clk/clk.c

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sys/dev/extres/clk/clk.c

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{		{

CLK_TOPO_ASSERT();		CLK_TOPO_ASSERT();

if (ncells == 0)		if (ncells == 0)
*clk = clknode_find_by_id(clkdom, 1);		*clk = clknode_find_by_id(clkdom, 1);
else if (ncells == 1)		else if (ncells == 1)
*clk = clknode_find_by_id(clkdom, cells[0]);		*clk = clknode_find_by_id(clkdom, cells[0]);
		else if (ncells == 2)
		*clk = clknode_find_by_id(clkdom, cells[0]);
else		else
return (ERANGE);		return (ERANGE);

if (*clk == NULL)		if (*clk == NULL)
return (ENXIO);		return (ENXIO);
return (0);		return (0);
}		}
#endif		#endif
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const char *		const char *
clknode_get_name(struct clknode *clknode)		clknode_get_name(struct clknode *clknode)
{		{

return (clknode->name);		return (clknode->name);
}		}

		intptr_t
		clknode_get_id(struct clknode *clknode)
		{
		return (clknode->id);
		}

const char **		const char **
clknode_get_parent_names(struct clknode *clknode)		clknode_get_parent_names(struct clknode *clknode)
{		{

return (clknode->parent_names);		return (clknode->parent_names);
}		}

int		int
▲ Show 20 Lines • Show All 347 Lines • ▼ Show 20 Lines	clk_set_parent_by_clk(clk_t clk, clk_t parent)
KASSERT(parentnode->ref_cnt > 0,		KASSERT(parentnode->ref_cnt > 0,
("Attempt to access unreferenced clock: %s\n", clknode->name));		("Attempt to access unreferenced clock: %s\n", clknode->name));
CLK_TOPO_XLOCK();		CLK_TOPO_XLOCK();
rv = clknode_set_parent_by_name(clknode, parentnode->name);		rv = clknode_set_parent_by_name(clknode, parentnode->name);
CLK_TOPO_UNLOCK();		CLK_TOPO_UNLOCK();
return (rv);		return (rv);
}		}

		int clk_set_parent_by_idx(clk_t clk, int idx)
		{
		int rv;
		struct clknode *clknode;

		clknode = clk->clknode;
		KASSERT(clknode->ref_cnt > 0,
		("Attempt to access unreferenced clock: %s\n", clknode->name));

		CLK_TOPO_XLOCK();
		rv = clknode_set_parent_by_idx(clk->clknode, idx);
		CLK_TOPO_UNLOCK();
		return (rv);
		}

int		int
clk_enable(clk_t clk)		clk_enable(clk_t clk)
{		{
int rv;		int rv;
struct clknode *clknode;		struct clknode *clknode;

clknode = clk->clknode;		clknode = clk->clknode;
KASSERT(clknode->ref_cnt > 0,		KASSERT(clknode->ref_cnt > 0,
Show All 35 Lines	clk_stop(clk_t clk)
KASSERT(clknode->ref_cnt > 0,		KASSERT(clknode->ref_cnt > 0,
("Attempt to access unreferenced clock: %s\n", clknode->name));		("Attempt to access unreferenced clock: %s\n", clknode->name));
KASSERT(clk->enable_cnt == 0,		KASSERT(clk->enable_cnt == 0,
("Attempt to stop already enabled clock: %s\n", clknode->name));		("Attempt to stop already enabled clock: %s\n", clknode->name));

CLK_TOPO_SLOCK();		CLK_TOPO_SLOCK();
rv = clknode_stop(clknode, 0);		rv = clknode_stop(clknode, 0);
CLK_TOPO_UNLOCK();		CLK_TOPO_UNLOCK();
		return (rv);
		}

		int
		clk_mux(clk_t clk, int index)
		{
		int rv;
		struct clknode *clknode;

		clknode = clk->clknode;
		KASSERT(clknode->ref_cnt > 0,
		("Attempt to access unreferenced clock: %s\n", clknode->name));
		CLK_TOPO_SLOCK();
		rv = CLKNODE_SET_MUX(clknode, index);
		CLK_TOPO_UNLOCK();

return (rv);		return (rv);
}		}

int		int
clk_release(clk_t clk)		clk_release(clk_t clk)
{		{
struct clknode *clknode;		struct clknode *clknode;

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