projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1a9fc855 MCC |
1 | /* |
| 2 | * Driver for the Conexant CX25821 PCIe bridge | |
| 3 | * | |
| 4 | * Copyright (C) 2009 Conexant Systems Inc. | |
| 5 | * Authors <hiep.huynh@conexant.com>, <shu.lin@conexant.com> | |
| 6 | * | |
| 7 | * This program is free software; you can redistribute it and/or modify | |
| 8 | * it under the terms of the GNU General Public License as published by | |
| 9 | * the Free Software Foundation; either version 2 of the License, or | |
| 10 | * (at your option) any later version. | |
| 11 | * | |
| 12 | * This program is distributed in the hope that it will be useful, | |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | * | |
| 16 | * GNU General Public License for more details. | |
| 17 | * | |
| 18 | * You should have received a copy of the GNU General Public License | |
| 19 | * along with this program; if not, write to the Free Software | |
| 20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
| 21 | */ | |
| 22 | ||
| 23 | #include <linux/mutex.h> | |
| 24 | #include <linux/workqueue.h> | |
| 25 | ||
| 26 | #define NUM_AUDIO_PROGS 8 | |
| 27 | #define NUM_AUDIO_FRAMES 8 | |
| 28 | #define END_OF_FILE 0 | |
| 29 | #define IN_PROGRESS 1 | |
| 30 | #define RESET_STATUS -1 | |
| 31 | #define FIFO_DISABLE 0 | |
| 32 | #define FIFO_ENABLE 1 | |
| 33 | #define NUM_NO_OPS 4 | |
| 34 | ||
| 35 | #define RISC_READ_INSTRUCTION_SIZE 12 | |
| 36 | #define RISC_JUMP_INSTRUCTION_SIZE 12 | |
| 37 | #define RISC_WRITECR_INSTRUCTION_SIZE 16 | |
| 38 | #define RISC_SYNC_INSTRUCTION_SIZE 4 | |
| 39 | #define DWORD_SIZE 4 | |
| 40 | #define AUDIO_SYNC_LINE 4 | |
| 41 | ||
| 42 | #define LINES_PER_AUDIO_BUFFER 15 | |
| 43 | #define AUDIO_LINE_SIZE 128 | |
| 44 | #define AUDIO_DATA_BUF_SZ (AUDIO_LINE_SIZE * LINES_PER_AUDIO_BUFFER) | |
| 45 | ||
| 46 | #define USE_RISC_NOOP_AUDIO 1 | |
| 47 | ||
| 48 | #ifdef USE_RISC_NOOP_AUDIO | |
| 49 | #define AUDIO_RISC_DMA_BUF_SIZE ( LINES_PER_AUDIO_BUFFER*RISC_READ_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE + RISC_JUMP_INSTRUCTION_SIZE) | |
| 50 | #endif | |
| 51 | ||
| 52 | #ifndef USE_RISC_NOOP_AUDIO | |
| 53 | #define AUDIO_RISC_DMA_BUF_SIZE ( LINES_PER_AUDIO_BUFFER*RISC_READ_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + RISC_JUMP_INSTRUCTION_SIZE) | |
| 54 | #endif | |
| 55 | ||
| 56 | static int _line_size; | |
| 57 | char *_defaultAudioName = "/root/audioGOOD.wav"; |