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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 | |
01bc7991 | 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) |
1a9fc855 MCC |
50 | #endif |
51 | ||
52 | #ifndef USE_RISC_NOOP_AUDIO | |
01bc7991 | 53 | #define AUDIO_RISC_DMA_BUF_SIZE (LINES_PER_AUDIO_BUFFER*RISC_READ_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + RISC_JUMP_INSTRUCTION_SIZE) |
1a9fc855 MCC |
54 | #endif |
55 | ||
56 | static int _line_size; | |
57 | char *_defaultAudioName = "/root/audioGOOD.wav"; |