Revert "Add unit test for usb_pd"

This reverts commit 0739074fbf735cffefdac7ff6d086084449f6493.

Change-Id: I1889138e5a8d5bc22d3bac2e48afe6378a59542a
Reviewed-on: https://chromium-review.googlesource.com/211773
Reviewed-by: Prathmesh Prabhu <pprabhu@chromium.org>
Tested-by: Prathmesh Prabhu <pprabhu@chromium.org>

1 files changed, 0 insertions, 289 deletions

diff --git a/chip/host/usb_pd_phy.c b/chip/host/usb_pd_phy.c
deleted file mode 100644
index 1cb770bf8d..0000000000
--- a/chip/host/usb_pd_phy.c
+++ /dev/null
@@ -1,289 +0,0 @@
-/* Copyright 2014 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 "common.h"
-#include "console.h"
-#include "crc.h"
-#include "task.h"
-#include "usb_pd.h"
-#include "usb_pd_config.h"
-#include "util.h"
-
-#define PREAMBLE_OFFSET 60 /* Any number should do */
-
-/*
- * Maximum size of a Power Delivery packet (in bits on the wire) :
- *    16-bit header + 0..7 32-bit data objects  (+ 4b5b encoding)
- * 64-bit preamble + SOP (4x 5b) + message in 4b5b + 32-bit CRC + EOP (1x 5b)
- * = 64 + 4*5 + 16 * 5/4 + 7 * 32 * 5/4 + 32 * 5/4 + 5
- */
-#define PD_BIT_LEN 429
-
-static struct pd_physical {
-	int hw_init_done;
-
-	uint8_t bits[PD_BIT_LEN];
-	int total;
-	int has_preamble;
-	int rx_started;
-	int rx_monitoring;
-
-	int preamble_written;
-	int has_msg;
-	int last_edge_written;
-	uint8_t out_msg[PD_BIT_LEN / 5];
-	int verified_idx;
-} pd_phy[PD_PORT_COUNT];
-
-static const uint16_t enc4b5b[] = {
-	0x1E, 0x09, 0x14, 0x15, 0x0A, 0x0B, 0x0E, 0x0F, 0x12, 0x13, 0x16,
-	0x17, 0x1A, 0x1B, 0x1C, 0x1D};
-
-/* Test utilities */
-
-void pd_test_rx_set_preamble(int port, int has_preamble)
-{
-	pd_phy[port].has_preamble = has_preamble;
-}
-
-void pd_test_rx_msg_append_bits(int port, uint32_t bits, int nb)
-{
-	int i;
-
-	for (i = 0; i < nb; ++i) {
-		pd_phy[port].bits[pd_phy[port].total++] = bits & 1;
-		bits >>= 1;
-	}
-}
-
-void pd_test_rx_msg_append_kcode(int port, uint8_t kcode)
-{
-	pd_test_rx_msg_append_bits(port, kcode, 5);
-}
-
-void pd_test_rx_msg_append_sop(int port)
-{
-	pd_test_rx_msg_append_kcode(port, PD_SYNC1);
-	pd_test_rx_msg_append_kcode(port, PD_SYNC1);
-	pd_test_rx_msg_append_kcode(port, PD_SYNC1);
-	pd_test_rx_msg_append_kcode(port, PD_SYNC2);
-}
-
-void pd_test_rx_msg_append_eop(int port)
-{
-	pd_test_rx_msg_append_kcode(port, PD_EOP);
-}
-
-void pd_test_rx_msg_append_4b(int port, uint8_t val)
-{
-	pd_test_rx_msg_append_bits(port, enc4b5b[val & 0xF], 5);
-}
-
-void pd_test_rx_msg_append_short(int port, uint16_t val)
-{
-	pd_test_rx_msg_append_4b(port, (val >> 0) & 0xF);
-	pd_test_rx_msg_append_4b(port, (val >> 4) & 0xF);
-	pd_test_rx_msg_append_4b(port, (val >> 8) & 0xF);
-	pd_test_rx_msg_append_4b(port, (val >> 12) & 0xF);
-}
-
-void pd_test_rx_msg_append_word(int port, uint32_t val)
-{
-	pd_test_rx_msg_append_short(port, val & 0xFFFF);
-	pd_test_rx_msg_append_short(port, val >> 16);
-}
-
-void pd_simulate_rx(int port)
-{
-	if (!pd_phy[port].rx_monitoring)
-		return;
-	pd_rx_start(port);
-	pd_rx_disable_monitoring(port);
-	pd_rx_event(port);
-}
-
-static int pd_test_tx_msg_verify(int port, uint8_t raw)
-{
-	int verified_idx = pd_phy[port].verified_idx++;
-	return pd_phy[port].out_msg[verified_idx] == raw;
-}
-
-int pd_test_tx_msg_verify_kcode(int port, uint8_t kcode)
-{
-	return pd_test_tx_msg_verify(port, kcode);
-}
-
-int pd_test_tx_msg_verify_sop(int port)
-{
-	crc32_init();
-	return pd_test_tx_msg_verify_kcode(port, PD_SYNC1) &&
-	       pd_test_tx_msg_verify_kcode(port, PD_SYNC1) &&
-	       pd_test_tx_msg_verify_kcode(port, PD_SYNC1) &&
-	       pd_test_tx_msg_verify_kcode(port, PD_SYNC2);
-}
-
-int pd_test_tx_msg_verify_eop(int port)
-{
-	return pd_test_tx_msg_verify_kcode(port, PD_EOP);
-}
-
-int pd_test_tx_msg_verify_4b5b(int port, uint8_t b4)
-{
-	return pd_test_tx_msg_verify(port, enc4b5b[b4]);
-}
-
-int pd_test_tx_msg_verify_short(int port, uint16_t val)
-{
-	crc32_hash16(val);
-	return pd_test_tx_msg_verify_4b5b(port, (val >> 0) & 0xF) &&
-	       pd_test_tx_msg_verify_4b5b(port, (val >> 4) & 0xF) &&
-	       pd_test_tx_msg_verify_4b5b(port, (val >> 8) & 0xF) &&
-	       pd_test_tx_msg_verify_4b5b(port, (val >> 12) & 0xF);
-}
-
-int pd_test_tx_msg_verify_word(int port, uint32_t val)
-{
-	return pd_test_tx_msg_verify_short(port, val & 0xFFFF) &&
-	       pd_test_tx_msg_verify_short(port, val >> 16);
-}
-
-int pd_test_tx_msg_verify_crc(int port)
-{
-	return pd_test_tx_msg_verify_word(port, crc32_result());
-}
-
-
-/* Mock functions */
-
-void pd_init_dequeue(int port)
-{
-}
-
-int pd_dequeue_bits(int port, int off, int len, uint32_t *val)
-{
-	int i;
-
-	/* Rx must have started to receive message */
-	ASSERT(pd_phy[port].rx_started);
-
-	if (pd_phy[port].total <= off + len - PREAMBLE_OFFSET)
-		return -1;
-	*val = 0;
-	for (i = 0; i < len; ++i)
-		*val |= pd_phy[port].bits[off + i - PREAMBLE_OFFSET] << i;
-	return off + len;
-}
-
-int pd_find_preamble(int port)
-{
-	return pd_phy[port].has_preamble ? PREAMBLE_OFFSET : -1;
-}
-
-int pd_write_preamble(int port)
-{
-	ASSERT(pd_phy[port].preamble_written == 0);
-	pd_phy[port].preamble_written = 1;
-	ASSERT(pd_phy[port].has_msg == 0);
-	return 0;
-}
-
-static uint8_t decode_bmc(uint32_t val10)
-{
-	uint8_t ret = 0;
-	int i;
-
-	for (i = 0; i < 5; ++i)
-		if (!!(val10 & (1 << (2 * i))) !=
-		    !!(val10 & (1 << (2 * i + 1))))
-			ret |= (1 << i);
-	return ret;
-}
-
-int pd_write_sym(int port, int bit_off, uint32_t val10)
-{
-	pd_phy[port].out_msg[bit_off] = decode_bmc(val10);
-	pd_phy[port].has_msg = 1;
-	return bit_off + 1;
-}
-
-int pd_write_last_edge(int port, int bit_off)
-{
-	pd_phy[port].last_edge_written = 1;
-	return bit_off;
-}
-
-void pd_dump_packet(int port, const char *msg)
-{
-	/* Not implemented */
-}
-
-void pd_tx_set_circular_mode(int port)
-{
-	/* Not implemented */
-}
-
-void pd_start_tx(int port, int polarity, int bit_len)
-{
-	ASSERT(pd_phy[port].hw_init_done);
-	pd_phy[port].has_msg = 0;
-	pd_phy[port].preamble_written = 0;
-	pd_phy[port].verified_idx = 0;
-
-	/*
-	 * Hand over to test runner. The test runner must wake us after
-	 * processing the packet.
-	 */
-	task_wake(TASK_ID_TEST_RUNNER);
-	task_wait_event(-1);
-}
-
-void pd_tx_done(int port, int polarity)
-{
-	/* Nothing to do */
-}
-
-void pd_rx_start(int port)
-{
-	ASSERT(pd_phy[port].hw_init_done);
-	pd_phy[port].rx_started = 1;
-}
-
-void pd_rx_complete(int port)
-{
-	ASSERT(pd_phy[port].hw_init_done);
-	pd_phy[port].rx_started = 0;
-}
-
-int pd_rx_started(int port)
-{
-	return pd_phy[port].rx_started;
-}
-
-void pd_rx_enable_monitoring(int port)
-{
-	ASSERT(pd_phy[port].hw_init_done);
-	pd_phy[port].rx_monitoring = 1;
-}
-
-void pd_rx_disable_monitoring(int port)
-{
-	ASSERT(pd_phy[port].hw_init_done);
-	pd_phy[port].rx_monitoring = 0;
-}
-
-void pd_hw_release(int port)
-{
-	pd_phy[port].hw_init_done = 0;
-}
-
-void pd_hw_init(int port)
-{
-	pd_phy[port].hw_init_done = 1;
-}
-
-void pd_set_clock(int port, int freq)
-{
-	/* Not implemented */
-}