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#include <stdlib.h>
#include <limits.h>
#include <unistd.h>
#include <nvif/client.h>
#include <nvif/device.h>
#include <nvif/class.h>
#include "util.h"
static void
print_aux(struct nvkm_i2c_aux *aux)
{
printf("aux %04x\n", aux->id);
}
int
main(int argc, char **argv)
{
struct nvif_client client;
struct nvif_device device;
struct nvkm_i2c_aux *aux;
struct nvkm_i2c *i2c;
int action = -1, index = -1;
int addr = -1, val = -1;
int ret, c;
u8 data;
while ((c = getopt(argc, argv, "-"U_GETOPT)) != -1) {
switch (c) {
case 1:
if (action < 0) {
if (!strcasecmp(optarg, "rd"))
action = 0;
else
if (!strcasecmp(optarg, "wr"))
action = 1;
else
return -EINVAL;
} else
if (action >= 0 && index < 0) {
index = strtoul(optarg, NULL, 0);
} else
if (action >= 0 && addr < 0) {
addr = strtoul(optarg, NULL, 0);
if (addr > 0x000fffff)
return -EINVAL;
} else
if (action >= 1 && val < 0) {
val = strtoul(optarg, NULL, 0);
if (val > 0xff)
return -EINVAL;
data = val;
} else
return -EINVAL;
break;
default:
if (!u_option(c))
return 1;
break;
}
}
ret = u_device("lib", argv[0], "error", true, true,
(1ULL << NVDEV_SUBDEV_VBIOS) |
(1ULL << NVDEV_SUBDEV_I2C),
0x00000000, &client, &device);
if (ret)
return ret;
i2c = nvxx_i2c(&device);
if (action < 0) {
list_for_each_entry(aux, &i2c->aux, head) {
print_aux(aux);
}
} else {
aux = nvkm_i2c_aux_find(i2c, index);
if (!aux) {
ret = -ENOENT;
goto done;
}
print_aux(aux);
}
switch (action) {
case 0:
ret = nvkm_rdaux(aux, addr, &data, 1);
printf("%05x: ", addr);
if (ret < 0)
printf("%s\n", strerror(ret));
else
printf("%02x\n", data);
break;
case 1:
printf("%05x: %02x", addr, data);
ret = nvkm_wraux(aux, addr, &data, 1);
if (ret < 0)
printf(" - %s", strerror(ret));
printf("\n");
break;
}
done:
nvif_device_fini(&device);
nvif_client_fini(&client);
return ret;
}
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