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#include <common.h>
#include <command.h>
#include <getopt.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <environment.h>
#include <malloc.h>
static int do_clk_enable(int argc, char *argv[])
{
struct clk *clk;
if (argc != 2)
return COMMAND_ERROR_USAGE;
clk = clk_lookup(argv[1]);
if (IS_ERR(clk))
return PTR_ERR(clk);
return clk_enable(clk);
}
BAREBOX_CMD_START(clk_enable)
.cmd = do_clk_enable,
BAREBOX_CMD_DESC("enable a clock")
BAREBOX_CMD_OPTS("CLK")
BAREBOX_CMD_GROUP(CMD_GRP_HWMANIP)
BAREBOX_CMD_COMPLETE(clk_name_complete)
BAREBOX_CMD_END
static int do_clk_disable(int argc, char *argv[])
{
struct clk *clk;
if (argc != 2)
return COMMAND_ERROR_USAGE;
clk = clk_lookup(argv[1]);
if (IS_ERR(clk))
return PTR_ERR(clk);
clk_disable(clk);
return COMMAND_SUCCESS;
}
BAREBOX_CMD_START(clk_disable)
.cmd = do_clk_disable,
BAREBOX_CMD_DESC("disable a clock")
BAREBOX_CMD_OPTS("CLK")
BAREBOX_CMD_GROUP(CMD_GRP_HWMANIP)
BAREBOX_CMD_COMPLETE(clk_name_complete)
BAREBOX_CMD_END
static int do_clk_set_rate(int argc, char *argv[])
{
unsigned long rate;
if (argc != 3)
return COMMAND_ERROR_USAGE;
rate = simple_strtoul(argv[2], NULL, 0);
return clk_name_set_rate(argv[1], rate);
}
BAREBOX_CMD_HELP_START(clk_set_rate)
BAREBOX_CMD_HELP_TEXT("Set clock CLK to RATE")
BAREBOX_CMD_HELP_END
BAREBOX_CMD_START(clk_set_rate)
.cmd = do_clk_set_rate,
BAREBOX_CMD_DESC("set a clocks rate")
BAREBOX_CMD_OPTS("CLK HZ")
BAREBOX_CMD_GROUP(CMD_GRP_HWMANIP)
BAREBOX_CMD_HELP(cmd_clk_set_rate_help)
BAREBOX_CMD_COMPLETE(clk_name_complete)
BAREBOX_CMD_END
static int do_clk_round_rate(int argc, char *argv[])
{
struct clk *clk;
unsigned long rate;
if (argc != 3)
return COMMAND_ERROR_USAGE;
clk = clk_lookup(argv[1]);
if (IS_ERR(clk))
return PTR_ERR(clk);
rate = simple_strtoul(argv[2], NULL, 0);
printf("%ld\n", clk_round_rate(clk, rate));
return 0;
}
BAREBOX_CMD_HELP_START(clk_round_rate)
BAREBOX_CMD_HELP_TEXT("Set clock CLK to RATE")
BAREBOX_CMD_HELP_END
BAREBOX_CMD_START(clk_round_rate)
.cmd = do_clk_round_rate,
BAREBOX_CMD_DESC("set a clocks rate")
BAREBOX_CMD_OPTS("CLK HZ")
BAREBOX_CMD_GROUP(CMD_GRP_HWMANIP)
BAREBOX_CMD_HELP(cmd_clk_round_rate_help)
BAREBOX_CMD_COMPLETE(clk_name_complete)
BAREBOX_CMD_END
static int do_clk_get_rate(int argc, char *argv[])
{
int opt;
struct clk *clk;
unsigned long rate;
const char *variable_name = NULL;
while ((opt = getopt(argc, argv, "s:")) > 0) {
switch (opt) {
case 's':
variable_name = optarg;
break;
default:
return COMMAND_ERROR_USAGE;
}
}
if (optind == argc) {
eprintf("No clock name given\n");
return COMMAND_ERROR_USAGE;
}
clk = clk_lookup(argv[optind]);
if (IS_ERR(clk))
return PTR_ERR(clk);
rate = clk_get_rate(clk);
if (variable_name) {
char *t;
t = basprintf("%lu", rate);
setenv(variable_name, t);
free(t);
} else
printf("%lu\n", rate);
return COMMAND_SUCCESS;
}
BAREBOX_CMD_HELP_START(clk_get_rate)
BAREBOX_CMD_HELP_TEXT("Show clock CLK rate")
BAREBOX_CMD_HELP_OPT("-s VARNAME", "set variable VARNAME instead of showing information")
BAREBOX_CMD_HELP_END
BAREBOX_CMD_START(clk_get_rate)
.cmd = do_clk_get_rate,
BAREBOX_CMD_DESC("get a clocks rate")
BAREBOX_CMD_OPTS("[-s VARNAME] CLK")
BAREBOX_CMD_GROUP(CMD_GRP_HWMANIP)
BAREBOX_CMD_HELP(cmd_clk_get_rate_help)
BAREBOX_CMD_COMPLETE(clk_name_complete)
BAREBOX_CMD_END
static int do_clk_dump(int argc, char *argv[])
{
int opt, verbose = 0;
struct clk *clk;
while ((opt = getopt(argc, argv, "v")) > 0) {
switch(opt) {
case 'v':
verbose = 1;
break;
default:
return -EINVAL;
}
}
if (optind == argc) {
clk_dump(verbose);
return COMMAND_SUCCESS;
}
clk = clk_lookup(argv[optind]);
if (IS_ERR(clk))
return PTR_ERR(clk);
clk_dump_one(clk, verbose);
return COMMAND_SUCCESS;
}
BAREBOX_CMD_HELP_START(clk_dump)
BAREBOX_CMD_HELP_TEXT("Options:")
BAREBOX_CMD_HELP_OPT ("-v", "verbose")
BAREBOX_CMD_HELP_END
BAREBOX_CMD_START(clk_dump)
.cmd = do_clk_dump,
BAREBOX_CMD_DESC("show information about registered clocks")
BAREBOX_CMD_OPTS("[-v] [clkname]")
BAREBOX_CMD_GROUP(CMD_GRP_INFO)
BAREBOX_CMD_HELP(cmd_clk_dump_help)
BAREBOX_CMD_COMPLETE(clk_name_complete)
BAREBOX_CMD_END
static int do_clk_set_parent(int argc, char *argv[])
{
if (argc != 3)
return COMMAND_ERROR_USAGE;
return clk_name_set_parent(argv[1], argv[2]);
}
BAREBOX_CMD_START(clk_set_parent)
.cmd = do_clk_set_parent,
BAREBOX_CMD_DESC("set parent of a clock")
BAREBOX_CMD_OPTS("CLK PARENT")
BAREBOX_CMD_GROUP(CMD_GRP_HWMANIP)
BAREBOX_CMD_COMPLETE(clk_name_complete)
BAREBOX_CMD_END
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