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/*
* K3CONF Command Set
*
* Copyright (C) 2019 Texas Instruments Incorporated - https://www.ti.com/
* Lokesh Vutla <lokeshvutla@ti.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* Neither the name of Texas Instruments Incorporated nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <tisci.h>
#include <socinfo.h>
#include <help.h>
#include <k3conf.h>
#define HELP_SET_PARENT_URL1 "http://downloads.ti.com/tisci/esd/latest/2_tisci_msgs/pm/clocks.html#power-management-clock-frequency-configuration-example-with-mux-programming"
#define HELP_SET_PARENT_URL2 "http://downloads.ti.com/tisci/esd/latest/2_tisci_msgs/pm/clocks.html#tisci-msg-set-clock-parent"
static int set_clock(int argc, char *argv[])
{
uint32_t dev_id, clk_id, ret;
uint64_t freq;
if (argc < 3)
return -1;
ret = sscanf(argv[0], "%u", &dev_id);
if (ret != 1)
return -1;
ret = sscanf(argv[1], "%u", &clk_id);
if (ret != 1)
return -1;
ret = sscanf(argv[2], "%lu", &freq);
if (ret != 1)
return -1;
ret = ti_sci_cmd_set_clk_freq(dev_id, clk_id, freq);
if (ret)
return ret;
return dump_clocks_info(argc, argv);
}
static int set_clock_parent(int argc, char *argv[])
{
uint32_t dev_id, clk_id, parent_clk_id;
int ret;
if (argc < 3)
return -1;
ret = sscanf(argv[0], "%u", &dev_id);
if (ret != 1)
return -1;
ret = sscanf(argv[1], "%u", &clk_id);
if (ret != 1)
return -1;
ret = sscanf(argv[2], "%u", &parent_clk_id);
if (ret != 1)
return -1;
ret = ti_sci_cmd_set_clk_parent(dev_id, clk_id, parent_clk_id);
if (ret) {
fprintf(stderr, "Request to set parent failed: %d\n",ret);
fprintf(stderr, "Clock state is probably wrong!\n");
fprintf(stderr, "Clock state of clk_id %d: %s\n",
clk_id, ti_sci_cmd_get_clk_state(dev_id, clk_id));
fprintf(stderr, "Clock state of parent_clk_id %d: %s\n",
parent_clk_id,
ti_sci_cmd_get_clk_state(dev_id, parent_clk_id));
fprintf(stderr, "\nRefer to:\n\t%s\n\t%s\n",
HELP_SET_PARENT_URL1, HELP_SET_PARENT_URL2);
return ret;
}
return dump_clock_parent_info(argc - 1, argv);
}
int process_set_command(int argc, char *argv[])
{
int ret;
if (argc < 1) {
help(HELP_SET);
return -1;
}
if (!strncmp(argv[0], "clock", 5)) {
argc--;
argv++;
ret = set_clock(argc, argv);
if (ret) {
fprintf(stderr, "Invalid clock arguments\n");
help(HELP_SET_CLOCK);
}
} else if (!strncmp(argv[0], "parent_clock", 5)) {
argc--;
argv++;
ret = set_clock_parent(argc, argv);
if (ret) {
if (ret == -1) {
fprintf(stderr, "Invalid parent_clock arguments\n");
help(HELP_SET_CLOCK_PARENT);
}
}
} else if (!strcmp(argv[0], "--help")) {
help(HELP_SET);
return 0;
} else {
fprintf(stderr, "Invalid argument %s\n", argv[1]);
help(HELP_SET);
return -1;
}
return ret;
}
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