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dummy_arm.c
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dummy_arm.c
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/*
* Copyright (C) 2009-2010 Felipe Contreras
* Copyright (C) 2009-2010 Nokia Corporation
* Copyright (C) 2009 Igalia S.L
*
* Author: Felipe Contreras <felipe.contreras@nokia.com>
*
* This file may be used under the terms of the GNU Lesser General Public
* License version 2.1, a copy of which is found in LICENSE included in the
* packaging of this file.
*/
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <signal.h>
#include "dmm_buffer.h"
#include "dsp_bridge.h"
#include "log.h"
static unsigned long input_buffer_size = 0x1000;
static unsigned long output_buffer_size = 0x1000;
static bool done;
static int ntimes;
static int dsp_handle;
static void *proc;
static void
signal_handler(int signal)
{
done = true;
}
static inline struct dsp_node *
create_node(void)
{
struct dsp_node *node;
const struct dsp_uuid dummy_uuid = { 0x3dac26d0, 0x6d4b, 0x11dd, 0xad, 0x8b,
{ 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66 } };
if (!dsp_register(dsp_handle, &dummy_uuid, DSP_DCD_LIBRARYTYPE, "/lib/dsp/dummy.dll64P"))
return false;
if (!dsp_register(dsp_handle, &dummy_uuid, DSP_DCD_NODETYPE, "/lib/dsp/dummy.dll64P"))
return false;
if (!dsp_node_allocate(dsp_handle, proc, &dummy_uuid, NULL, NULL, &node)) {
pr_err("dsp node allocate failed");
return NULL;
}
if (!dsp_node_create(dsp_handle, node)) {
pr_err("dsp node create failed");
return NULL;
}
pr_info("dsp node created");
return node;
}
static inline bool
destroy_node(struct dsp_node *node)
{
if (node) {
if (!dsp_node_free(dsp_handle, node)) {
pr_err("dsp node free failed");
return false;
}
pr_info("dsp node deleted");
}
return true;
}
static inline void
configure_dsp_node(void *node,
dmm_buffer_t *input_buffer,
dmm_buffer_t *output_buffer)
{
struct dsp_msg msg;
msg.cmd = 0;
msg.arg_1 = (uint32_t) input_buffer->map;
msg.arg_2 = (uint32_t) output_buffer->map;
dsp_node_put_message(dsp_handle, node, &msg, -1);
}
static bool
run_task(struct dsp_node *node,
unsigned long times)
{
unsigned long exit_status;
dmm_buffer_t *input_buffer;
dmm_buffer_t *output_buffer;
if (!dsp_node_run(dsp_handle, node)) {
pr_err("dsp node run failed");
return false;
}
pr_info("dsp node running");
input_buffer = dmm_buffer_new(dsp_handle, proc, DMA_TO_DEVICE);
output_buffer = dmm_buffer_new(dsp_handle, proc, DMA_FROM_DEVICE);
dmm_buffer_allocate(input_buffer, input_buffer_size);
dmm_buffer_allocate(output_buffer, output_buffer_size);
dmm_buffer_map(output_buffer);
dmm_buffer_map(input_buffer);
configure_dsp_node(node, input_buffer, output_buffer);
pr_info("running %lu times", times);
while (!done) {
struct dsp_msg msg;
#ifdef FILL_DATA
{
static unsigned char foo = 1;
unsigned int i;
for (i = 0; i < input_buffer->size; i++)
((char *) input_buffer->data)[i] = foo;
foo++;
}
#endif
dmm_buffer_begin(input_buffer, input_buffer->size);
dmm_buffer_begin(output_buffer, output_buffer->size);
msg.cmd = 1;
msg.arg_1 = input_buffer->size;
dsp_node_put_message(dsp_handle, node, &msg, -1);
dsp_node_get_message(dsp_handle, node, &msg, -1);
dmm_buffer_end(input_buffer, input_buffer->size);
dmm_buffer_end(output_buffer, output_buffer->size);
if (--times == 0)
break;
}
dmm_buffer_unmap(output_buffer);
dmm_buffer_unmap(input_buffer);
dmm_buffer_free(output_buffer);
dmm_buffer_free(input_buffer);
if (!dsp_node_terminate(dsp_handle, node, &exit_status)) {
pr_err("dsp node terminate failed: %lx", exit_status);
return false;
}
pr_info("dsp node terminated");
return true;
}
static void handle_options(int *argc, const char ***argv)
{
while (*argc > 0) {
const char *cmd = (*argv)[0];
if (cmd[0] != '-')
break;
#ifdef DEBUG
if (!strcmp(cmd, "-d") || !strcmp(cmd, "--debug"))
debug_level = 4;
#endif
if (!strcmp(cmd, "-n") || !strcmp(cmd, "--ntimes")) {
if (*argc < 2) {
pr_err("bad option");
exit(-1);
}
ntimes = atoi((*argv)[1]);
(*argv)++;
(*argc)--;
}
(*argv)++;
(*argc)--;
}
}
int main(int argc, const char *argv[])
{
struct dsp_node *node;
int ret = 0;
signal(SIGINT, signal_handler);
#ifdef DEBUG
debug_level = 3;
#endif
ntimes = 1000;
argc--; argv++;
handle_options(&argc, &argv);
dsp_handle = dsp_open();
if (dsp_handle < 0) {
pr_err("dsp open failed");
return -1;
}
if (!dsp_attach(dsp_handle, 0, NULL, &proc)) {
pr_err("dsp attach failed");
ret = -1;
goto leave;
}
node = create_node();
if (!node) {
pr_err("dsp node creation failed");
ret = -1;
goto leave;
}
run_task(node, ntimes);
destroy_node(node);
leave:
if (proc) {
if (!dsp_detach(dsp_handle, proc)) {
pr_err("dsp detach failed");
ret = -1;
}
proc = NULL;
}
if (dsp_handle > 0) {
if (dsp_close(dsp_handle) < 0) {
pr_err("dsp close failed");
return -1;
}
}
return ret;
}