include/linux/pruss_driver.h

1 /* SPDX-License-Identifier: GPL-2.0-only */
3  * PRU-ICSS sub-system specific definitions
5  * Copyright (C) 2014-2020 Texas Instruments Incorporated - http://www.ti.com/
6  *	Suman Anna <s-anna@ti.com>
13 #include <linux/remoteproc/pruss.h>
18  * enum pruss_gp_mux_sel - PRUSS GPI/O Mux modes for the
23  * values are interchanged. Also, this bit-field does not exist on
36  * enum pruss_gpi_mode - PRUSS GPI configuration modes, used
48  * enum pru_type - PRU core type identifier
50  * @PRU_TYPE_PRU: Programmable Real-time Unit
51  * @PRU_TYPE_RTU: Auxiliary Programmable Real-Time Unit
52  * @PRU_TYPE_TX_PRU: Transmit Programmable Real-Time Unit
63  * enum pruss_mem - PRUSS memory range identifiers
73  * struct pruss_mem_region - PRUSS memory region structure
74  * @va: kernel virtual address of the PRUSS memory region
75  * @pa: physical (bus) address of the PRUSS memory region
76  * @size: size of the PRUSS memory region
85  * struct pruss - PRUSS parent structure
86  * @dev: pruss device pointer
89  * @mem_regions: data for each of the PRUSS memory regions
92  * @core_clk_mux: clk handle for PRUSS CORE_CLK_MUX
93  * @iep_clk_mux: clk handle for PRUSS IEP_CLK_MUX
95 struct pruss {  struct
108 struct pruss *pruss_get(struct rproc *rproc);  argument
109 void pruss_put(struct pruss *pruss);
110 int pruss_request_mem_region(struct pruss *pruss, enum pruss_mem mem_id,
112 int pruss_release_mem_region(struct pruss *pruss,
114 int pruss_cfg_get_gpmux(struct pruss *pruss, enum pruss_pru_id pru_id, u8 *mux);
115 int pruss_cfg_set_gpmux(struct pruss *pruss, enum pruss_pru_id pru_id, u8 mux);
116 int pruss_cfg_gpimode(struct pruss *pruss, enum pruss_pru_id pru_id,
118 int pruss_cfg_miirt_enable(struct pruss *pruss, bool enable);
119 int pruss_cfg_xfr_enable(struct pruss *pruss, enum pru_type pru_type,
124 static inline struct pruss *pruss_get(struct rproc *rproc)  in pruss_get()
126 	return ERR_PTR(-EOPNOTSUPP);  in pruss_get()
129 static inline void pruss_put(struct pruss *pruss) { }  in pruss_put()  argument
131 static inline int pruss_request_mem_region(struct pruss *pruss,  in pruss_request_mem_region()  argument
135 	return -EOPNOTSUPP;  in pruss_request_mem_region()
138 static inline int pruss_release_mem_region(struct pruss *pruss,  in pruss_release_mem_region()  argument
141 	return -EOPNOTSUPP;  in pruss_release_mem_region()
144 static inline int pruss_cfg_get_gpmux(struct pruss *pruss,  in pruss_cfg_get_gpmux()  argument
147 	return ERR_PTR(-EOPNOTSUPP);  in pruss_cfg_get_gpmux()
150 static inline int pruss_cfg_set_gpmux(struct pruss *pruss,  in pruss_cfg_set_gpmux()  argument
153 	return ERR_PTR(-EOPNOTSUPP);  in pruss_cfg_set_gpmux()
156 static inline int pruss_cfg_gpimode(struct pruss *pruss,  in pruss_cfg_gpimode()  argument
160 	return ERR_PTR(-EOPNOTSUPP);  in pruss_cfg_gpimode()
163 static inline int pruss_cfg_miirt_enable(struct pruss *pruss, bool enable)  in pruss_cfg_miirt_enable()  argument
165 	return ERR_PTR(-EOPNOTSUPP);  in pruss_cfg_miirt_enable()
168 static inline int pruss_cfg_xfr_enable(struct pruss *pruss,
172 	return ERR_PTR(-EOPNOTSUPP);