diff options
Diffstat (limited to 'drivers/dma/ti/k3-udma.h')
| -rw-r--r-- | drivers/dma/ti/k3-udma.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/dma/ti/k3-udma.h b/drivers/dma/ti/k3-udma.h index ff428f823e67..128d8744a435 100644 --- a/drivers/dma/ti/k3-udma.h +++ b/drivers/dma/ti/k3-udma.h @@ -117,4 +117,35 @@ struct udma_tisci_rm { struct ti_sci_resource *rm_ranges[RM_RANGE_LAST]; }; +/* Direct access to UDMA low lever resources for the glue layer */ +int xudma_navss_psil_pair(struct udma_dev *ud, u32 src_thread, u32 dst_thread); +int xudma_navss_psil_unpair(struct udma_dev *ud, u32 src_thread, + u32 dst_thread); + +struct udma_dev *of_xudma_dev_get(struct device_node *np, const char *property); +void xudma_dev_put(struct udma_dev *ud); +u32 xudma_dev_get_psil_base(struct udma_dev *ud); +struct udma_tisci_rm *xudma_dev_get_tisci_rm(struct udma_dev *ud); + +int xudma_alloc_gp_rflow_range(struct udma_dev *ud, int from, int cnt); +int xudma_free_gp_rflow_range(struct udma_dev *ud, int from, int cnt); + +struct udma_tchan *xudma_tchan_get(struct udma_dev *ud, int id); +struct udma_rchan *xudma_rchan_get(struct udma_dev *ud, int id); +struct udma_rflow *xudma_rflow_get(struct udma_dev *ud, int id); + +void xudma_tchan_put(struct udma_dev *ud, struct udma_tchan *p); +void xudma_rchan_put(struct udma_dev *ud, struct udma_rchan *p); +void xudma_rflow_put(struct udma_dev *ud, struct udma_rflow *p); + +int xudma_tchan_get_id(struct udma_tchan *p); +int xudma_rchan_get_id(struct udma_rchan *p); +int xudma_rflow_get_id(struct udma_rflow *p); + +u32 xudma_tchanrt_read(struct udma_tchan *tchan, int reg); +void xudma_tchanrt_write(struct udma_tchan *tchan, int reg, u32 val); +u32 xudma_rchanrt_read(struct udma_rchan *rchan, int reg); +void xudma_rchanrt_write(struct udma_rchan *rchan, int reg, u32 val); +bool xudma_rflow_is_gp(struct udma_dev *ud, int id); + #endif /* K3_UDMA_H_ */ |