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version.c
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version.c
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/*
* Copyright (c) 2011-2013 Luc Verhaegen <libv@skynet.be>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sub license,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <asm/ioctl.h>
#include <fcntl.h>
#include <string.h>
#include <errno.h>
#include <stdint.h>
struct mali_api_version {
unsigned int empty;
unsigned int version;
int compatible;
};
#define MALI_GET_API_VERSION _IOWR(0x82, 5, struct mali_get_api_version *)
#define MALI_GET_API_VERSION_R3P1 _IOWR(0x82, 3, struct mali_get_api_version *)
static struct {
int version;
const char *compat;
} version_compat[] = {
{6, "UNSUPPORTED"}, /* r2p0 and r2p1-rel0 */
{7, "UNSUPPORTED"}, /* r2p1-rel1 */
{8, "r2p2"},
{9, "r2p3"},
{10, "r2p4"},
{14, "r3p0"},
{17, "r3p1"},
{19, "r3p2"},
{20, "r3p2-01rel1"}, /* and r3p2-01rel2 */
{23, "r3p2-01rel3"},
{0, NULL},
};
int
main(int argc, char *argv[])
{
int fd;
struct mali_api_version api_version;
int i, ret, version;
fd = open("/dev/mali", O_RDONLY);
if (fd == -1) {
fprintf(stderr, "Error: Failed to open /dev/mali: %s\n",
strerror(errno));
return errno;
}
ret = ioctl(fd, MALI_GET_API_VERSION, &api_version);
if (ret == -EPERM)
ret = ioctl(fd, MALI_GET_API_VERSION_R3P1, &api_version);
if (ret) {
fprintf(stderr, "Error: ioctl(GET_API_VERSION) failed: %s\n",
strerror(ret));
return ret;
}
version = api_version.version & 0xFFFF;
for (i = 0; version_compat[i].compat; i++)
if (version_compat[i].version == version)
break;
if (version_compat[i].compat)
printf("%s", version_compat[i].compat);
else
printf("UNKNOWN");
return 0;
}