static void vivid_cec_xfer_done_worker(struct work_struct *work)
{
struct vivid_cec_work *cw =
container_of(work, struct vivid_cec_work, work.work);
struct vivid_dev *dev = cw->dev;
struct cec_adapter *adap = cw->adap;
u8 dest = cec_msg_destination(&cw->msg);
bool valid_dest;
unsigned int i;
valid_dest = cec_msg_is_broadcast(&cw->msg);
if (!valid_dest)
valid_dest = vivid_cec_find_dest_adap(dev, adap, dest);
cw->tx_status = valid_dest ? CEC_TX_STATUS_OK : CEC_TX_STATUS_NACK;
spin_lock(&dev->cec_slock);
dev->cec_xfer_time_jiffies = 0;
dev->cec_xfer_start_jiffies = 0;
list_del(&cw->list);
spin_unlock(&dev->cec_slock);
cec_transmit_done(cw->adap, cw->tx_status, 0, valid_dest ? 0 : 1, 0, 0);
/* Broadcast message */
if (adap != dev->cec_rx_adap)
cec_received_msg(dev->cec_rx_adap, &cw->msg);
for (i = 0; i < MAX_OUTPUTS && dev->cec_tx_adap[i]; i++)
if (adap != dev->cec_tx_adap[i])
cec_received_msg(dev->cec_tx_adap[i], &cw->msg);
kfree(cw);
}
static int tegra_cec_adap_transmit(struct cec_adapter *adap, u8 attempts,
u32 signal_free_time_ms, struct cec_msg *msg)
{
bool retry_xfer = signal_free_time_ms == CEC_SIGNAL_FREE_TIME_RETRY;
struct tegra_cec *cec = adap->priv;
unsigned int i;
u32 mode = 0;
u32 mask;
if (cec_msg_is_broadcast(msg))
mode = TEGRA_CEC_TX_REG_BCAST;
cec->tx_buf_cur = 0;
cec->tx_buf_cnt = msg->len;
for (i = 0; i < msg->len; i++) {
cec->tx_buf[i] = mode | msg->msg[i];
if (i == 0)
cec->tx_buf[i] |= TEGRA_CEC_TX_REG_START_BIT;
if (i == msg->len - 1)
cec->tx_buf[i] |= TEGRA_CEC_TX_REG_EOM;
if (i == 0 && retry_xfer)
cec->tx_buf[i] |= TEGRA_CEC_TX_REG_RETRY;
}
mask = cec_read(cec, TEGRA_CEC_INT_MASK);
cec_write(cec, TEGRA_CEC_INT_MASK,
mask | TEGRA_CEC_INT_MASK_TX_REGISTER_EMPTY);
return 0;
}
static int vivid_received(struct cec_adapter *adap, struct cec_msg *msg)
{
struct vivid_dev *dev = adap->priv;
struct cec_msg reply;
u8 dest = cec_msg_destination(msg);
u16 pa;
u8 disp_ctl;
char osd[14];
if (cec_msg_is_broadcast(msg))
dest = adap->log_addrs.log_addr[0];
cec_msg_init(&reply, dest, cec_msg_initiator(msg));
switch (cec_msg_opcode(msg)) {
case CEC_MSG_SET_STREAM_PATH:
if (cec_is_sink(adap))
return -ENOMSG;
cec_ops_set_stream_path(msg, &pa);
if (pa != adap->phys_addr)
return -ENOMSG;
cec_msg_active_source(&reply, adap->phys_addr);
cec_transmit_msg(adap, &reply, false);
break;
case CEC_MSG_SET_OSD_STRING:
if (!cec_is_sink(adap))
return -ENOMSG;
cec_ops_set_osd_string(msg, &disp_ctl, osd);
switch (disp_ctl) {
case CEC_OP_DISP_CTL_DEFAULT:
strcpy(dev->osd, osd);
dev->osd_jiffies = jiffies;
break;
case CEC_OP_DISP_CTL_UNTIL_CLEARED:
strcpy(dev->osd, osd);
dev->osd_jiffies = 0;
break;
case CEC_OP_DISP_CTL_CLEAR:
dev->osd[0] = 0;
dev->osd_jiffies = 0;
break;
default:
cec_msg_feature_abort(&reply, cec_msg_opcode(msg),
CEC_OP_ABORT_INVALID_OP);
cec_transmit_msg(adap, &reply, false);
break;
}
break;
default:
return -ENOMSG;
}
return 0;
}
static void vivid_cec_xfer_done_worker(struct work_struct *work)
{
struct vivid_cec_work *cw =
container_of(work, struct vivid_cec_work, work.work);
struct vivid_dev *dev = cw->dev;
struct cec_adapter *adap = cw->adap;
bool is_poll = cw->msg.len == 1;
u8 dest = cec_msg_destination(&cw->msg);
struct cec_adapter *dest_adap = NULL;
bool valid_dest;
unsigned int i;
valid_dest = cec_msg_is_broadcast(&cw->msg);
if (!valid_dest) {
dest_adap = vivid_cec_find_dest_adap(dev, adap, dest);
if (dest_adap)
valid_dest = true;
}
cw->tx_status = valid_dest ? CEC_TX_STATUS_OK : CEC_TX_STATUS_NACK;
spin_lock(&dev->cec_slock);
dev->cec_xfer_time_jiffies = 0;
dev->cec_xfer_start_jiffies = 0;
list_del(&cw->list);
spin_unlock(&dev->cec_slock);
cec_transmit_done(cw->adap, cw->tx_status, 0, valid_dest ? 0 : 1, 0, 0);
if (!is_poll && dest_adap) {
/* Directed message */
cec_received_msg(dest_adap, &cw->msg);
} else if (!is_poll && valid_dest) {
/* Broadcast message */
if (adap != dev->cec_rx_adap &&
dev->cec_rx_adap->log_addrs.log_addr_mask)
cec_received_msg(dev->cec_rx_adap, &cw->msg);
for (i = 0; i < MAX_OUTPUTS && dev->cec_tx_adap[i]; i++) {
if (adap == dev->cec_tx_adap[i] ||
!dev->cec_tx_adap[i]->log_addrs.log_addr_mask)
continue;
cec_received_msg(dev->cec_tx_adap[i], &cw->msg);
}
}
kfree(cw);
}
