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root / usrp2 / firmware / lib / buffer_pool.c @ 22a3ed89

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/*
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 * Copyright 2007 Free Software Foundation, Inc.
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 *
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation, either version 3 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 */
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#include "memory_map.h"
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#include "buffer_pool.h"
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#include "hal_io.h" 
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void
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bp_init(void)
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{
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  int i;
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  bp_disable_port(PORT_SERDES);
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  bp_disable_port(PORT_DSP);
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  bp_disable_port(PORT_ETH);
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  bp_disable_port(PORT_RAM);
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  for (i = 0; i < NBUFFERS; i++)
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    bp_clear_buf(i);
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}
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#ifndef INLINE_BUFFER_POOL
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void
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bp_clear_buf(int bufnum)
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{
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  buffer_pool_ctrl->ctrl = BPC_BUFFER(bufnum) | BPC_PORT_NIL | BPC_CLR;
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}
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void
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bp_disable_port(int portnum) 
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{
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  // disable buffer connections to this port
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  buffer_pool_ctrl->ctrl = BPC_BUFFER_NIL | BPC_PORT(portnum);
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}
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void
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bp_receive_to_buf(int bufnum, int port, int step, int fl, int ll)
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{
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  buffer_pool_ctrl->ctrl = (BPC_READ
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                            | BPC_BUFFER(bufnum)
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                            | BPC_PORT(port)
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                            | BPC_STEP(step)
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                            | BPC_FIRST_LINE(fl)
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                            | BPC_LAST_LINE(ll));
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}
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void
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bp_send_from_buf(int bufnum, int port, int step, int fl, int ll)
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{
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  buffer_pool_ctrl->ctrl = (BPC_WRITE
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                            | BPC_BUFFER(bufnum)
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                            | BPC_PORT(port)
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                            | BPC_STEP(step)
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                            | BPC_FIRST_LINE(fl)
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                            | BPC_LAST_LINE(ll));
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}
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#endif