diff options
Diffstat (limited to 'include/linux/pruss_driver.h')
| -rw-r--r-- | include/linux/pruss_driver.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/pruss_driver.h b/include/linux/pruss_driver.h index cb40c2b31045..c8f2e53b911b 100644 --- a/include/linux/pruss_driver.h +++ b/include/linux/pruss_driver.h @@ -9,6 +9,7 @@ #ifndef _PRUSS_DRIVER_H_ #define _PRUSS_DRIVER_H_ +#include <linux/mutex.h> #include <linux/remoteproc/pruss.h> #include <linux/types.h> #include <linux/err.h> @@ -41,6 +42,8 @@ struct pruss_mem_region { * @cfg_base: base iomap for CFG region * @cfg_regmap: regmap for config region * @mem_regions: data for each of the PRUSS memory regions + * @mem_in_use: to indicate if memory resource is in use + * @lock: mutex to serialize access to resources * @core_clk_mux: clk handle for PRUSS CORE_CLK_MUX * @iep_clk_mux: clk handle for PRUSS IEP_CLK_MUX */ @@ -49,6 +52,8 @@ struct pruss { void __iomem *cfg_base; struct regmap *cfg_regmap; struct pruss_mem_region mem_regions[PRUSS_MEM_MAX]; + struct pruss_mem_region *mem_in_use[PRUSS_MEM_MAX]; + struct mutex lock; /* PRU resource lock */ struct clk *core_clk_mux; struct clk *iep_clk_mux; }; @@ -57,6 +62,10 @@ struct pruss { struct pruss *pruss_get(struct rproc *rproc); void pruss_put(struct pruss *pruss); +int pruss_request_mem_region(struct pruss *pruss, enum pruss_mem mem_id, + struct pruss_mem_region *region); +int pruss_release_mem_region(struct pruss *pruss, + struct pruss_mem_region *region); #else @@ -67,6 +76,19 @@ static inline struct pruss *pruss_get(struct rproc *rproc) static inline void pruss_put(struct pruss *pruss) { } +static inline int pruss_request_mem_region(struct pruss *pruss, + enum pruss_mem mem_id, + struct pruss_mem_region *region) +{ + return -EOPNOTSUPP; +} + +static inline int pruss_release_mem_region(struct pruss *pruss, + struct pruss_mem_region *region) +{ + return -EOPNOTSUPP; +} + #endif /* CONFIG_TI_PRUSS */ #endif /* _PRUSS_DRIVER_H_ */ |