| Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 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 |
| Leonid V. Fedorenchik | 49acf735 | 2011-09-02 11:55:40 +0800 | [diff] [blame] | 49 | #define AUDIO_RISC_DMA_BUF_SIZE \ |
| 50 | (LINES_PER_AUDIO_BUFFER * RISC_READ_INSTRUCTION_SIZE + \ |
| 51 | RISC_WRITECR_INSTRUCTION_SIZE + NUM_NO_OPS * DWORD_SIZE + \ |
| 52 | RISC_JUMP_INSTRUCTION_SIZE) |
| Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 53 | #endif |
| 54 | |
| 55 | #ifndef USE_RISC_NOOP_AUDIO |
| Leonid V. Fedorenchik | 49acf735 | 2011-09-02 11:55:40 +0800 | [diff] [blame] | 56 | #define AUDIO_RISC_DMA_BUF_SIZE \ |
| 57 | (LINES_PER_AUDIO_BUFFER * RISC_READ_INSTRUCTION_SIZE + \ |
| 58 | RISC_WRITECR_INSTRUCTION_SIZE + RISC_JUMP_INSTRUCTION_SIZE) |
| Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 59 | #endif |
| 60 | |
| 61 | static int _line_size; |
| 62 | char *_defaultAudioName = "/root/audioGOOD.wav"; |