diff options
Diffstat (limited to 'drivers/media/video/cx25821/cx25821-audio.h')
| -rw-r--r-- | drivers/media/video/cx25821/cx25821-audio.h | 39 |
1 files changed, 20 insertions, 19 deletions
diff --git a/drivers/media/video/cx25821/cx25821-audio.h b/drivers/media/video/cx25821/cx25821-audio.h index 8eb55b7b88c..1fc2d24f511 100644 --- a/drivers/media/video/cx25821/cx25821-audio.h +++ b/drivers/media/video/cx25821/cx25821-audio.h @@ -23,39 +23,40 @@ #ifndef __CX25821_AUDIO_H__ #define __CX25821_AUDIO_H__ -#define USE_RISC_NOOP 1 -#define LINES_PER_BUFFER 15 -#define AUDIO_LINE_SIZE 128 +#define USE_RISC_NOOP 1 +#define LINES_PER_BUFFER 15 +#define AUDIO_LINE_SIZE 128 /* Number of buffer programs to use at once. */ -#define NUMBER_OF_PROGRAMS 8 +#define NUMBER_OF_PROGRAMS 8 /* * Max size of the RISC program for a buffer. - worst case is 2 writes per line * Space is also added for the 4 no-op instructions added on the end. */ #ifndef USE_RISC_NOOP -#define MAX_BUFFER_PROGRAM_SIZE \ - (2 * LINES_PER_BUFFER * RISC_WRITE_INSTRUCTION_SIZE + \ - RISC_WRITECR_INSTRUCTION_SIZE * 4) +#define MAX_BUFFER_PROGRAM_SIZE \ + (2 * LINES_PER_BUFFER * RISC_WRITE_INSTRUCTION_SIZE + \ + RISC_WRITECR_INSTRUCTION_SIZE * 4) #endif /* MAE 12 July 2005 Try to use NOOP RISC instruction instead */ #ifdef USE_RISC_NOOP -#define MAX_BUFFER_PROGRAM_SIZE \ - (2 * LINES_PER_BUFFER * RISC_WRITE_INSTRUCTION_SIZE + \ - RISC_NOOP_INSTRUCTION_SIZE * 4) +#define MAX_BUFFER_PROGRAM_SIZE \ + (2 * LINES_PER_BUFFER * RISC_WRITE_INSTRUCTION_SIZE + \ + RISC_NOOP_INSTRUCTION_SIZE * 4) #endif /* Sizes of various instructions in bytes. Used when adding instructions. */ -#define RISC_WRITE_INSTRUCTION_SIZE 12 -#define RISC_JUMP_INSTRUCTION_SIZE 12 -#define RISC_SKIP_INSTRUCTION_SIZE 4 -#define RISC_SYNC_INSTRUCTION_SIZE 4 -#define RISC_WRITECR_INSTRUCTION_SIZE 16 -#define RISC_NOOP_INSTRUCTION_SIZE 4 - -#define MAX_AUDIO_DMA_BUFFER_SIZE \ -(MAX_BUFFER_PROGRAM_SIZE * NUMBER_OF_PROGRAMS + RISC_SYNC_INSTRUCTION_SIZE) +#define RISC_WRITE_INSTRUCTION_SIZE 12 +#define RISC_JUMP_INSTRUCTION_SIZE 12 +#define RISC_SKIP_INSTRUCTION_SIZE 4 +#define RISC_SYNC_INSTRUCTION_SIZE 4 +#define RISC_WRITECR_INSTRUCTION_SIZE 16 +#define RISC_NOOP_INSTRUCTION_SIZE 4 + +#define MAX_AUDIO_DMA_BUFFER_SIZE \ + (MAX_BUFFER_PROGRAM_SIZE * NUMBER_OF_PROGRAMS + \ + RISC_SYNC_INSTRUCTION_SIZE) #endif |