root / usrp2 / firmware / lib / buffer_pool.c @ 22a3ed89
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| 1 | /*
|
|---|---|
| 2 | * Copyright 2007 Free Software Foundation, Inc. |
| 3 | * |
| 4 | * This program is free software: you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation, either version 3 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 16 | */ |
| 17 | |
| 18 | #include "memory_map.h" |
| 19 | #include "buffer_pool.h" |
| 20 | #include "hal_io.h" |
| 21 | |
| 22 | void
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| 23 | bp_init(void)
|
| 24 | {
|
| 25 | int i;
|
| 26 | bp_disable_port(PORT_SERDES); |
| 27 | bp_disable_port(PORT_DSP); |
| 28 | bp_disable_port(PORT_ETH); |
| 29 | bp_disable_port(PORT_RAM); |
| 30 | |
| 31 | for (i = 0; i < NBUFFERS; i++) |
| 32 | bp_clear_buf(i); |
| 33 | } |
| 34 | |
| 35 | #ifndef INLINE_BUFFER_POOL
|
| 36 | |
| 37 | void
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| 38 | bp_clear_buf(int bufnum)
|
| 39 | {
|
| 40 | buffer_pool_ctrl->ctrl = BPC_BUFFER(bufnum) | BPC_PORT_NIL | BPC_CLR; |
| 41 | } |
| 42 | |
| 43 | void
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| 44 | bp_disable_port(int portnum)
|
| 45 | {
|
| 46 | // disable buffer connections to this port
|
| 47 | buffer_pool_ctrl->ctrl = BPC_BUFFER_NIL | BPC_PORT(portnum); |
| 48 | } |
| 49 | |
| 50 | void
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| 51 | bp_receive_to_buf(int bufnum, int port, int step, int fl, int ll) |
| 52 | {
|
| 53 | buffer_pool_ctrl->ctrl = (BPC_READ |
| 54 | | BPC_BUFFER(bufnum) |
| 55 | | BPC_PORT(port) |
| 56 | | BPC_STEP(step) |
| 57 | | BPC_FIRST_LINE(fl) |
| 58 | | BPC_LAST_LINE(ll)); |
| 59 | } |
| 60 | |
| 61 | void
|
| 62 | bp_send_from_buf(int bufnum, int port, int step, int fl, int ll) |
| 63 | {
|
| 64 | buffer_pool_ctrl->ctrl = (BPC_WRITE |
| 65 | | BPC_BUFFER(bufnum) |
| 66 | | BPC_PORT(port) |
| 67 | | BPC_STEP(step) |
| 68 | | BPC_FIRST_LINE(fl) |
| 69 | | BPC_LAST_LINE(ll)); |
| 70 | } |
| 71 | |
| 72 | #endif
|