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| author | Rabin Vincent <rabin.vincent@stericsson.com> | 2011-01-25 11:18:35 +0100 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2011-01-30 22:27:21 -0800 |
| commit | 0c842b551063c5f7382ac9b457992f3b34972801 (patch) | |
| tree | da606f382493e6cf3540b4245b86a784a78e46b4 /drivers/dma/ste_dma40_ll.h | |
| parent | 86eb5fb61125e4646c9447a1f2ce130817dab34e (diff) | |
| download | linux-rpi-0c842b551063c5f7382ac9b457992f3b34972801.tar.gz linux-rpi-0c842b551063c5f7382ac9b457992f3b34972801.tar.bz2 linux-rpi-0c842b551063c5f7382ac9b457992f3b34972801.zip | |
dma40: cyclic xfer support
Support cyclic transfers, which are useful for ALSA drivers.
Acked-by: Per Forlin <per.forlin@stericsson.com>
Acked-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dma/ste_dma40_ll.h')
| -rw-r--r-- | drivers/dma/ste_dma40_ll.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/dma/ste_dma40_ll.h b/drivers/dma/ste_dma40_ll.h index 59e72f0cc901..195ee65ee7f3 100644 --- a/drivers/dma/ste_dma40_ll.h +++ b/drivers/dma/ste_dma40_ll.h @@ -296,6 +296,8 @@ struct d40_def_lcsp { enum d40_lli_flags { LLI_ADDR_INC = 1 << 0, LLI_TERM_INT = 1 << 1, + LLI_CYCLIC = 1 << 2, + LLI_LAST_LINK = 1 << 3, }; void d40_phy_cfg(struct stedma40_chan_cfg *cfg, @@ -314,7 +316,8 @@ int d40_phy_sg_to_lli(struct scatterlist *sg, dma_addr_t lli_phys, u32 reg_cfg, struct stedma40_half_channel_info *info, - struct stedma40_half_channel_info *otherinfo); + struct stedma40_half_channel_info *otherinfo, + unsigned long flags); /* Logical channels */ @@ -328,11 +331,11 @@ int d40_log_sg_to_lli(struct scatterlist *sg, void d40_log_lli_lcpa_write(struct d40_log_lli_full *lcpa, struct d40_log_lli *lli_dst, struct d40_log_lli *lli_src, - int next); + int next, unsigned int flags); void d40_log_lli_lcla_write(struct d40_log_lli *lcla, struct d40_log_lli *lli_dst, struct d40_log_lli *lli_src, - int next); + int next, unsigned int flags); #endif /* STE_DMA40_LLI_H */ |