/* Check firmware running state. The checks fall through
allowing multiple failures to be logged. */
int ivtv_firmware_check(struct ivtv *itv, char *where)
{
int res = 0;
/* Check encoder is still running */
if (ivtv_vapi(itv, CX2341X_ENC_PING_FW, 0) < 0) {
IVTV_WARN("Encoder has died : %s\n", where);
res = -1;
}
/* Also check audio. Only check if not in use & encoder is okay */
if (!res && !atomic_read(&itv->capturing) &&
(!atomic_read(&itv->decoding) ||
(atomic_read(&itv->decoding) < 2 && test_bit(IVTV_F_I_DEC_YUV,
&itv->i_flags)))) {
if (ivtv_vapi(itv, CX2341X_ENC_MISC, 1, 12) < 0) {
IVTV_WARN("Audio has died (Encoder OK) : %s\n", where);
res = -2;
}
}
if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
/* Second audio check. Skip if audio already failed */
if (res != -2 && read_dec(0x100) != read_dec(0x104)) {
/* Wait & try again to be certain. */
ivtv_msleep_timeout(14, 0);
if (read_dec(0x100) != read_dec(0x104)) {
IVTV_WARN("Audio has died (Decoder) : %s\n",
where);
res = -1;
}
}
/* Check decoder is still running */
if (ivtv_vapi(itv, CX2341X_DEC_PING_FW, 0) < 0) {
IVTV_WARN("Decoder has died : %s\n", where);
res = -1;
}
}
/* If something failed & currently idle, try to reload */
if (res && !atomic_read(&itv->capturing) &&
!atomic_read(&itv->decoding)) {
IVTV_INFO("Detected in %s that firmware had failed - "
"Reloading\n", where);
res = ivtv_firmware_restart(itv);
/*
* Even if restarted ok, still signal a problem had occurred.
* The caller can come through this function again to check
* if things are really ok after the restart.
*/
if (!res) {
IVTV_INFO("Firmware restart okay\n");
res = -EAGAIN;
} else {
IVTV_INFO("Firmware restart failed\n");
}
} else if (res) {
res = -EIO;
}
return res;
}
int ivtv_firmware_check(struct ivtv *itv, char *where)
{
int res = 0;
/* */
if (ivtv_vapi(itv, CX2341X_ENC_PING_FW, 0) < 0) {
IVTV_WARN("Encoder has died : %s\n", where);
res = -1;
}
/* */
if (!res && !atomic_read(&itv->capturing) &&
(!atomic_read(&itv->decoding) ||
(atomic_read(&itv->decoding) < 2 && test_bit(IVTV_F_I_DEC_YUV,
&itv->i_flags)))) {
if (ivtv_vapi(itv, CX2341X_ENC_MISC, 1, 12) < 0) {
IVTV_WARN("Audio has died (Encoder OK) : %s\n", where);
res = -2;
}
}
if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
/* */
if (res != -2 && read_dec(0x100) != read_dec(0x104)) {
/* */
ivtv_msleep_timeout(14, 0);
if (read_dec(0x100) != read_dec(0x104)) {
IVTV_WARN("Audio has died (Decoder) : %s\n",
where);
res = -1;
}
}
/* */
if (ivtv_vapi(itv, CX2341X_DEC_PING_FW, 0) < 0) {
IVTV_WARN("Decoder has died : %s\n", where);
res = -1;
}
}
/* */
if (res && !atomic_read(&itv->capturing) &&
!atomic_read(&itv->decoding)) {
IVTV_INFO("Detected in %s that firmware had failed - "
"Reloading\n", where);
res = ivtv_firmware_restart(itv);
/*
*/
if (!res) {
IVTV_INFO("Firmware restart okay\n");
res = -EAGAIN;
} else {
IVTV_INFO("Firmware restart failed\n");
}
} else if (res) {
res = -EIO;
}
return res;
}
