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-rw-r--r--chip/nrf51/ppi.c69
1 files changed, 0 insertions, 69 deletions
diff --git a/chip/nrf51/ppi.c b/chip/nrf51/ppi.c
deleted file mode 100644
index 016cbf3008..0000000000
--- a/chip/nrf51/ppi.c
+++ /dev/null
@@ -1,69 +0,0 @@
-/* Copyright 2016 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 "ppi.h"
-#include "registers.h"
-#include "util.h"
-
-#define NRF51_PPI_FIRST_PP_CH NRF51_PPI_CH_TIMER0_CC0__RADIO_TXEN
-#define NRF51_PPI_LAST_PP_CH NRF51_PPI_CH_RTC0_COMPARE0__TIMER0_START
-
-static uint32_t channels_in_use;
-static uint32_t channel_groups_in_use;
-
-int ppi_request_pre_programmed_channel(int ppi_chan)
-{
- ASSERT(ppi_chan >= NRF51_PPI_FIRST_PP_CH &&
- ppi_chan <= NRF51_PPI_LAST_PP_CH);
-
- if (channels_in_use & BIT(ppi_chan))
- return EC_ERROR_BUSY;
-
- channels_in_use |= BIT(ppi_chan);
-
- return EC_SUCCESS;
-}
-
-int ppi_request_channel(int *ppi_chan)
-{
- int chan;
-
- for (chan = 0; chan < NRF51_PPI_NUM_PROGRAMMABLE_CHANNELS; chan++)
- if ((channels_in_use & BIT(chan)) == 0)
- break;
-
- if (chan == NRF51_PPI_NUM_PROGRAMMABLE_CHANNELS)
- return EC_ERROR_BUSY;
-
- channels_in_use |= BIT(chan);
- *ppi_chan = chan;
- return EC_SUCCESS;
-}
-
-void ppi_release_channel(int ppi_chan)
-{
- channels_in_use &= ~BIT(ppi_chan);
-}
-
-void ppi_release_group(int ppi_group)
-{
- channel_groups_in_use &= ~BIT(ppi_group);
-}
-
-int ppi_request_group(int *ppi_group)
-{
- int group;
-
- for (group = 0; group < NRF51_PPI_NUM_GROUPS; group++)
- if ((channel_groups_in_use & BIT(group)) == 0)
- break;
-
- if (group == NRF51_PPI_NUM_GROUPS)
- return EC_ERROR_BUSY;
-
- channel_groups_in_use |= BIT(group);
- *ppi_group = group;
- return EC_SUCCESS;
-}