diff options
Diffstat (limited to 'drivers/media/video/cx25821/cx25821-audio-upstream.h')
-rw-r--r-- | drivers/media/video/cx25821/cx25821-audio-upstream.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/media/video/cx25821/cx25821-audio-upstream.h b/drivers/media/video/cx25821/cx25821-audio-upstream.h new file mode 100644 index 00000000000..af2ae7c5815 --- /dev/null +++ b/drivers/media/video/cx25821/cx25821-audio-upstream.h | |||
@@ -0,0 +1,62 @@ | |||
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 \ | ||
50 | (LINES_PER_AUDIO_BUFFER * RISC_READ_INSTRUCTION_SIZE + \ | ||
51 | RISC_WRITECR_INSTRUCTION_SIZE + NUM_NO_OPS * DWORD_SIZE + \ | ||
52 | RISC_JUMP_INSTRUCTION_SIZE) | ||
53 | #endif | ||
54 | |||
55 | #ifndef USE_RISC_NOOP_AUDIO | ||
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) | ||
59 | #endif | ||
60 | |||
61 | static int _line_size; | ||
62 | char *_defaultAudioName = "/root/audioGOOD.wav"; | ||