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CRIS: Add ARTPEC-3 and timestamps for sync-serial

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Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
This commit is contained in:
Jesper Nilsson 2010-08-04 11:30:41 +02:00
parent 4f248d1cea
commit 72e08db187
1 changed files with 26 additions and 1 deletions
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27
arch/cris/include/asm/sync_serial.h
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@ -19,6 +19,7 @@
#define SSP_OPOLARITY _IOR('S', 4, unsigned int)
#define SSP_SPI _IOR('S', 5, unsigned int)
#define SSP_INBUFCHUNK _IOR('S', 6, unsigned int)
#define SSP_INPUT _IOR('S', 7, unsigned int)
/* Values for SSP_SPEED */
#define SSP150 0
@ -37,6 +38,7 @@
#define SSP921600 13
#define SSP3125000 14
#define CODEC 15
#define CODEC_f32768 16
#define FREQ_4MHz 0
#define FREQ_2MHz 1
@ -46,9 +48,14 @@
#define FREQ_128kHz 5
#define FREQ_64kHz 6
#define FREQ_32kHz 7
/* FREQ_* with values where bit (value & 0x10) is set are */
/* used for CODEC_f32768 */
#define FREQ_4096kHz 16 /* CODEC_f32768 */
/* Used by application to set CODEC divider, word rate and frame rate */
#define CODEC_VAL(freq, clk_per_sync, sync_per_frame) (CODEC | (freq << 8) | (clk_per_sync << 16) | (sync_per_frame << 28))
#define CODEC_VAL(freq, clk_per_sync, sync_per_frame) \
((CODEC + ((freq & 0x10) >> 4)) | (freq << 8) | \
(clk_per_sync << 16) | (sync_per_frame << 28))
/* Used by driver to extract speed */
#define GET_SPEED(x) (x & 0xff)
@ -68,6 +75,7 @@
#define NORMAL_SYNC 1
#define EARLY_SYNC 2
#define SECOND_WORD_SYNC 0x40000
#define LATE_SYNC 0x80000
#define BIT_SYNC 4
#define WORD_SYNC 8
@ -104,4 +112,21 @@
/* Values for SSP_INBUFCHUNK */
/* plain integer with the size of DMA chunks */
/* To ensure that the timestamps are aligned with the data being read
* the read length MUST be a multiple of the length of the DMA buffers.
*
* Use a multiple of SSP_INPUT_CHUNK_SIZE defined below.
*/
#define SSP_INPUT_CHUNK_SIZE 256
/* Request struct to pass through the ioctl interface to read
* data with timestamps.
*/
struct ssp_request {
char __user *buf; /* Where to put the data. */
size_t len; /* Size of buf. MUST be a multiple of */
/* SSP_INPUT_CHUNK_SIZE! */
struct timespec ts; /* The time the data was sampled. */
};
#endif