| /* |
| * Driver for the Conexant CX25821 PCIe bridge |
| * |
| * Copyright (C) 2009 Conexant Systems Inc. |
| * Authors <hiep.huynh@conexant.com>, <shu.lin@conexant.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| #include <linux/mutex.h> |
| #include <linux/workqueue.h> |
| |
| #define NUM_AUDIO_PROGS 8 |
| #define NUM_AUDIO_FRAMES 8 |
| #define END_OF_FILE 0 |
| #define IN_PROGRESS 1 |
| #define RESET_STATUS -1 |
| #define FIFO_DISABLE 0 |
| #define FIFO_ENABLE 1 |
| #define NUM_NO_OPS 4 |
| |
| #define RISC_READ_INSTRUCTION_SIZE 12 |
| #define RISC_JUMP_INSTRUCTION_SIZE 12 |
| #define RISC_WRITECR_INSTRUCTION_SIZE 16 |
| #define RISC_SYNC_INSTRUCTION_SIZE 4 |
| #define DWORD_SIZE 4 |
| #define AUDIO_SYNC_LINE 4 |
| |
| #define LINES_PER_AUDIO_BUFFER 15 |
| #define AUDIO_LINE_SIZE 128 |
| #define AUDIO_DATA_BUF_SZ (AUDIO_LINE_SIZE * LINES_PER_AUDIO_BUFFER) |
| |
| #define USE_RISC_NOOP_AUDIO 1 |
| |
| #ifdef USE_RISC_NOOP_AUDIO |
| #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) |
| #endif |
| |
| #ifndef USE_RISC_NOOP_AUDIO |
| #define AUDIO_RISC_DMA_BUF_SIZE \ |
| (LINES_PER_AUDIO_BUFFER * RISC_READ_INSTRUCTION_SIZE + \ |
| RISC_WRITECR_INSTRUCTION_SIZE + RISC_JUMP_INSTRUCTION_SIZE) |
| #endif |
| |
| static int _line_size; |
| char *_defaultAudioName = "/root/audioGOOD.wav"; |
