1 files changed, 0 insertions, 137 deletions
diff --git a/common/cec.c b/common/cec.c
deleted file mode 100644
index 1bc3273c1d..0000000000
--- a/common/cec.c
+++ /dev/null
@@ -1,137 +0,0 @@
-/* Copyright 2018 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "cec.h"
-#include "console.h"
-#include "task.h"
-
-#define CPRINTF(format, args...) cprintf(CC_CEC, format, ## args)
-#define CPRINTS(format, args...) cprints(CC_CEC, format, ## args)
-
-/*
- * Mutex for the read-offset of the rx queue. Needed since the
- * queue is read and flushed from different contexts
- */
-static struct mutex rx_queue_readoffset_mutex;
-
-int cec_transfer_get_bit(const struct cec_msg_transfer *transfer)
-{
-	if (transfer->byte >= MAX_CEC_MSG_LEN)
-		return 0;
-
-	return transfer->buf[transfer->byte] & (0x80 >> transfer->bit);
-}
-
-void cec_transfer_set_bit(struct cec_msg_transfer *transfer, int val)
-{
-	uint8_t bit_flag;
-
-	if (transfer->byte >= MAX_CEC_MSG_LEN)
-		return;
-	bit_flag = 0x80 >> transfer->bit;
-	transfer->buf[transfer->byte] &= ~bit_flag;
-	if (val)
-		transfer->buf[transfer->byte] |= bit_flag;
-}
-
-void cec_transfer_inc_bit(struct cec_msg_transfer *transfer)
-{
-	if (++(transfer->bit) == 8) {
-		if (transfer->byte >= MAX_CEC_MSG_LEN)
-			return;
-		transfer->bit = 0;
-		transfer->byte++;
-	}
-}
-
-int cec_transfer_is_eom(const struct cec_msg_transfer *transfer, int len)
-{
-	if (transfer->bit)
-		return 0;
-	return (transfer->byte == len);
-}
-
-void cec_rx_queue_flush(struct cec_rx_queue *queue)
-{
-	mutex_lock(&rx_queue_readoffset_mutex);
-	queue->read_offset = 0;
-	mutex_unlock(&rx_queue_readoffset_mutex);
-	queue->write_offset = 0;
-}
-
-int cec_rx_queue_push(struct cec_rx_queue *queue, const uint8_t *msg,
-		      uint8_t msg_len)
-{
-	int i;
-	uint32_t offset;
-
-	if (msg_len > MAX_CEC_MSG_LEN || msg_len == 0)
-		return EC_ERROR_INVAL;
-
-	offset = queue->write_offset;
-	/* Fill in message length last, if successful. Set to zero for now */
-	queue->buf[offset] = 0;
-	offset = (offset + 1) % CEC_RX_BUFFER_SIZE;
-
-	for (i = 0 ; i < msg_len; i++) {
-		if (offset == queue->read_offset) {
-			/* Buffer full */
-			return EC_ERROR_OVERFLOW;
-		}
-
-		queue->buf[offset] = msg[i];
-		offset = (offset + 1) % CEC_RX_BUFFER_SIZE;
-	}
-
-	/*
-	 * Don't commit if we caught up with read-offset
-	 * since that would indicate an empty buffer
-	 */
-	if (offset == queue->read_offset) {
-		/* Buffer full */
-		return EC_ERROR_OVERFLOW;
-	}
-
-	/* Commit the push */
-	queue->buf[queue->write_offset] = msg_len;
-	queue->write_offset = offset;
-
-	return EC_SUCCESS;
-}
-
-int cec_rx_queue_pop(struct cec_rx_queue *queue, uint8_t *msg,
-		     uint8_t *msg_len)
-{
-	int i;
-
-	mutex_lock(&rx_queue_readoffset_mutex);
-	if (queue->read_offset == queue->write_offset) {
-		/* Queue empty */
-		mutex_unlock(&rx_queue_readoffset_mutex);
-		*msg_len = 0;
-		return -1;
-	}
-
-	/* The first byte in the buffer is the message length */
-	*msg_len = queue->buf[queue->read_offset];
-	if (*msg_len == 0 || *msg_len > MAX_CEC_MSG_LEN) {
-		mutex_unlock(&rx_queue_readoffset_mutex);
-		*msg_len = 0;
-		CPRINTF("Invalid CEC msg size: %u\n", *msg_len);
-		return -1;
-	}
-
-	queue->read_offset = (queue->read_offset + 1) % CEC_RX_BUFFER_SIZE;
-	for (i = 0; i < *msg_len; i++) {
-		msg[i] = queue->buf[queue->read_offset];
-		queue->read_offset = (queue->read_offset + 1) %
-							CEC_RX_BUFFER_SIZE;
-
-	}
-
-	mutex_unlock(&rx_queue_readoffset_mutex);
-
-	return 0;
-}