vlib: deprecate i2c and cj

i2c follows its only use case - the original 82599 driver - into
extras/deprecated.

cj is/was an emergency debug tool unused in several years. Move to
extras/deprecated/vlib

Type: refactor

Signed-off-by: Dave Barach <dave@barachs.net>
Change-Id: Ib55b65373f62630db295c562974bd8f2456c3107

1 files changed, 0 insertions, 231 deletions

diff --git a/src/vlib/i2c.c b/src/vlib/i2c.c
deleted file mode 100644
index 97f5bb21cc7..00000000000
--- a/src/vlib/i2c.c
+++ /dev/null
@@ -1,231 +0,0 @@
-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <vlib/vlib.h>
-#include <vlib/i2c.h>
-
-static inline void
-i2c_delay (i2c_bus_t * b, f64 timeout)
-{
-  vlib_main_t *vm = vlib_get_main ();
-  vlib_time_wait (vm, timeout);
-}
-
-static void
-i2c_wait_for_scl (i2c_bus_t * b)
-{
-  f64 t = 0;
-
-  while (t < b->hold_time)
-    {
-      int sda, scl;
-      i2c_delay (b, b->rise_fall_time);
-      b->get_bits (b, &scl, &sda);
-
-      if (scl)
-	return;
-
-      t += b->rise_fall_time;
-    }
-  b->timeout = 1;
-}
-
-static void
-i2c_start (i2c_bus_t * b)
-{
-  b->timeout = 0;
-
-  b->put_bits (b, 1, 1);
-  i2c_wait_for_scl (b);
-
-  if (vlib_i2c_bus_timed_out (b))
-    return;
-
-  b->put_bits (b, 1, 0);
-  i2c_delay (b, b->hold_time);
-  b->put_bits (b, 0, 0);
-  i2c_delay (b, b->hold_time);
-}
-
-static void
-i2c_stop (i2c_bus_t * b)
-{
-  b->put_bits (b, 0, 0);
-  i2c_delay (b, b->rise_fall_time);
-
-  b->put_bits (b, 1, 0);
-  i2c_delay (b, b->hold_time);
-
-  b->put_bits (b, 1, 1);
-  i2c_delay (b, b->hold_time);
-}
-
-static void
-i2c_write_bit (i2c_bus_t * b, int sda)
-{
-  b->put_bits (b, 0, sda);
-  i2c_delay (b, b->rise_fall_time);
-
-  b->put_bits (b, 1, sda);
-  i2c_wait_for_scl (b);
-  i2c_delay (b, b->hold_time);
-
-  b->put_bits (b, 0, sda);
-  i2c_delay (b, b->rise_fall_time);
-}
-
-static void
-i2c_read_bit (i2c_bus_t * b, int *sda)
-{
-  int scl;
-
-  b->put_bits (b, 1, 1);
-  i2c_wait_for_scl (b);
-  i2c_delay (b, b->hold_time);
-
-  b->get_bits (b, &scl, sda);
-
-  b->put_bits (b, 0, 1);
-  i2c_delay (b, b->rise_fall_time);
-}
-
-static void
-i2c_write_byte (i2c_bus_t * b, u8 data)
-{
-  int i, sda;
-
-  for (i = 7; i >= 0; i--)
-    {
-      i2c_write_bit (b, (data >> i) & 1);
-      if (b->timeout)
-	return;
-    }
-
-  b->put_bits (b, 0, 1);
-  i2c_delay (b, b->rise_fall_time);
-
-  i2c_read_bit (b, &sda);
-
-  if (sda)
-    b->timeout = 1;
-}
-
-
-static void
-i2c_read_byte (i2c_bus_t * b, u8 * data, int ack)
-{
-  int i, sda;
-
-  *data = 0;
-
-  b->put_bits (b, 0, 1);
-  i2c_delay (b, b->rise_fall_time);
-
-  for (i = 7; i >= 0; i--)
-    {
-      i2c_read_bit (b, &sda);
-      if (b->timeout)
-	return;
-
-      *data |= (sda != 0) << i;
-    }
-
-  i2c_write_bit (b, ack == 0);
-}
-
-
-void
-vlib_i2c_init (i2c_bus_t * b)
-{
-  f64 tick;
-  if (!b->clock)
-    b->clock = 400000;
-
-  tick = 1.0 / b->clock;
-
-  /* Spend 40% of time in low and high states */
-  if (!b->hold_time)
-    b->hold_time = 0.4 * tick;
-
-  /* Spend 10% of time waiting for rise and fall */
-  if (!b->rise_fall_time)
-    b->rise_fall_time = 0.1 * tick;
-}
-
-void
-vlib_i2c_xfer (i2c_bus_t * bus, i2c_msg_t * msgs)
-{
-  i2c_msg_t *msg;
-  int i;
-
-  vec_foreach (msg, msgs)
-  {
-    i2c_start (bus);
-    i2c_write_byte (bus,
-		    (msg->addr << 1) + (msg->flags == I2C_MSG_FLAG_READ));
-
-    if (msg->flags & I2C_MSG_FLAG_READ)
-      for (i = 0; i < msg->len; i++)
-	{
-	  i2c_read_byte (bus, &msg->buffer[i], /* ack */ i + 1 != msg->len);
-	  if (bus->timeout)
-	    goto done;
-	}
-
-    else
-      for (i = 0; i < msg->len; i++)
-	{
-	  i2c_write_byte (bus, msg->buffer[i]);
-	  if (bus->timeout)
-	    goto done;
-	}
-  }
-
-done:
-  i2c_stop (bus);
-}
-
-void
-vlib_i2c_read_eeprom (i2c_bus_t * bus, u8 i2c_addr, u16 start_addr,
-		      u16 length, u8 * data)
-{
-  i2c_msg_t *msg = 0;
-  u8 start_address[1];
-
-  vec_validate (msg, 1);
-
-  start_address[0] = start_addr;
-  msg[0].addr = i2c_addr;
-  msg[0].flags = I2C_MSG_FLAG_WRITE;
-  msg[0].buffer = (u8 *) & start_address;
-  msg[0].len = 1;
-
-  msg[1].addr = i2c_addr;
-  msg[1].flags = I2C_MSG_FLAG_READ;
-  msg[1].buffer = data;
-  msg[1].len = length;
-
-  vlib_i2c_xfer (bus, msg);
-
-  vec_free (msg);
-}
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */