diff options
Diffstat (limited to 'arch/arm/plat-nomadik/include/plat/ste_dma40.h')
| -rw-r--r-- | arch/arm/plat-nomadik/include/plat/ste_dma40.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/plat-nomadik/include/plat/ste_dma40.h b/arch/arm/plat-nomadik/include/plat/ste_dma40.h index 9ff93b06568..08cc3bf8f6d 100644 --- a/arch/arm/plat-nomadik/include/plat/ste_dma40.h +++ b/arch/arm/plat-nomadik/include/plat/ste_dma40.h @@ -146,6 +146,7 @@ struct stedma40_chan_cfg { * @memcpy_conf_phy: default configuration of physical channel memcpy * @memcpy_conf_log: default configuration of logical channel memcpy * @disabled_channels: A vector, ending with -1, that marks physical channels + * @use_esram_lcla: flag for mapping the lcla into esram region * that are for different reasons not available for the driver. */ struct stedma40_platform_data { @@ -162,6 +163,24 @@ struct stedma40_platform_data { #ifdef CONFIG_STE_DMA40 +/* + * stedma40_get_src_addr - get current source address + * @chan: the DMA channel + * + * Returns the physical address of the current source element to be read by the + * DMA. + */ +dma_addr_t stedma40_get_src_addr(struct dma_chan *chan); + +/* + * stedma40_get_dst_addr - get current destination address + * @chan: the DMA channel + * + * Returns the physical address of the current destination element to be + * written by the DMA. + */ +dma_addr_t stedma40_get_dst_addr(struct dma_chan *chan); + /** * stedma40_filter() - Provides stedma40_chan_cfg to the * ste_dma40 dma driver via the dmaengine framework. @@ -204,6 +223,16 @@ dma_async_tx_descriptor *stedma40_slave_mem(struct dma_chan *chan, } #else +dma_addr_t stedma40_get_src_addr(struct dma_chan *chan) +{ + return NULL; +} + +dma_addr_t stedma40_get_dst_addr(struct dma_chan *chan) +{ + return NULL; +} + static inline bool stedma40_filter(struct dma_chan *chan, void *data) { return false; |