56 struct pruss *pruss_get(struct rproc *rproc)  in pruss_get()
58 	struct pruss *pruss;  in pruss_get()  local
72 	pruss = platform_get_drvdata(ppdev);  in pruss_get()
73 	if (!pruss)  in pruss_get()
76 	get_device(pruss->dev);  in pruss_get()
78 	return pruss;  in pruss_get()
89 void pruss_put(struct pruss *pruss)  in pruss_put()  argument
91 	if (IS_ERR_OR_NULL(pruss))  in pruss_put()
94 	put_device(pruss->dev);  in pruss_put()
112 int pruss_request_mem_region(struct pruss *pruss, enum pruss_mem mem_id,  in pruss_request_mem_region()  argument
115 	if (!pruss || !region || mem_id >= PRUSS_MEM_MAX)  in pruss_request_mem_region()
118 	mutex_lock(&pruss->lock);  in pruss_request_mem_region()
120 	if (pruss->mem_in_use[mem_id]) {  in pruss_request_mem_region()
121 		mutex_unlock(&pruss->lock);  in pruss_request_mem_region()
125 	*region = pruss->mem_regions[mem_id];  in pruss_request_mem_region()
126 	pruss->mem_in_use[mem_id] = region;  in pruss_request_mem_region()
128 	mutex_unlock(&pruss->lock);  in pruss_request_mem_region()
145 int pruss_release_mem_region(struct pruss *pruss,  in pruss_release_mem_region()  argument
150 	if (!pruss || !region)  in pruss_release_mem_region()
153 	mutex_lock(&pruss->lock);  in pruss_release_mem_region()
157 		if (pruss->mem_in_use[id] == region)  in pruss_release_mem_region()
162 		mutex_unlock(&pruss->lock);  in pruss_release_mem_region()
166 	pruss->mem_in_use[id] = NULL;  in pruss_release_mem_region()
168 	mutex_unlock(&pruss->lock);  in pruss_release_mem_region()
182 int pruss_cfg_get_gpmux(struct pruss *pruss, enum pruss_pru_id pru_id, u8 *mux)  in pruss_cfg_get_gpmux()  argument
190 	ret = pruss_cfg_read(pruss, PRUSS_CFG_GPCFG(pru_id), &val);  in pruss_cfg_get_gpmux()
206 int pruss_cfg_set_gpmux(struct pruss *pruss, enum pruss_pru_id pru_id, u8 mux)  in pruss_cfg_set_gpmux()  argument
212 	return pruss_cfg_update(pruss, PRUSS_CFG_GPCFG(pru_id),  in pruss_cfg_set_gpmux()
229 int pruss_cfg_gpimode(struct pruss *pruss, enum pruss_pru_id pru_id,  in pruss_cfg_gpimode()  argument
235 	return pruss_cfg_update(pruss, PRUSS_CFG_GPCFG(pru_id),  in pruss_cfg_gpimode()
250 int pruss_cfg_miirt_enable(struct pruss *pruss, bool enable)  in pruss_cfg_miirt_enable()  argument
254 	return pruss_cfg_update(pruss, PRUSS_CFG_MII_RT,  in pruss_cfg_miirt_enable()
267 int pruss_cfg_xfr_enable(struct pruss *pruss, enum pru_type pru_type,  in pruss_cfg_xfr_enable()  argument
285 	return pruss_cfg_update(pruss, PRUSS_CFG_SPP, mask, set);  in pruss_cfg_xfr_enable()
302 static int pruss_clk_mux_setup(struct pruss *pruss, struct clk *clk_mux,  in pruss_clk_mux_setup()  argument
306 	struct device *dev = pruss->dev;  in pruss_clk_mux_setup()
348 	reg = pruss->cfg_base + reg_offset;  in pruss_clk_mux_setup()
381 static int pruss_clk_init(struct pruss *pruss, struct device_node *cfg_node)  in pruss_clk_init()  argument
383 	struct device *dev = pruss->dev;  in pruss_clk_init()
395 		ret = pruss_clk_mux_setup(pruss, pruss->core_clk_mux,  in pruss_clk_init()
402 	ret = pruss_clk_mux_setup(pruss, pruss->iep_clk_mux, "iepclk-mux",  in pruss_clk_init()
410 static int pruss_of_setup_memories(struct device *dev, struct pruss *pruss)  in pruss_of_setup_memories()  argument
443 		pruss->mem_regions[i].va = devm_ioremap(dev, res.start,  in pruss_of_setup_memories()
445 		if (!pruss->mem_regions[i].va)  in pruss_of_setup_memories()
449 		pruss->mem_regions[i].pa = res.start;  in pruss_of_setup_memories()
450 		pruss->mem_regions[i].size = resource_size(&res);  in pruss_of_setup_memories()
453 			mem_names[i], &pruss->mem_regions[i].pa,  in pruss_of_setup_memories()
454 			pruss->mem_regions[i].size, pruss->mem_regions[i].va);  in pruss_of_setup_memories()
466 static int pruss_cfg_of_init(struct device *dev, struct pruss *pruss)  in pruss_cfg_of_init()  argument
481 	pruss->cfg_base = devm_ioremap(dev, res.start, resource_size(&res));  in pruss_cfg_of_init()
482 	if (!pruss->cfg_base)  in pruss_cfg_of_init()
489 	pruss->cfg_regmap = devm_regmap_init_mmio(dev, pruss->cfg_base,  in pruss_cfg_of_init()
492 	if (IS_ERR(pruss->cfg_regmap))  in pruss_cfg_of_init()
493 		return dev_err_probe(dev, PTR_ERR(pruss->cfg_regmap),  in pruss_cfg_of_init()
496 	ret = pruss_clk_init(pruss, child);  in pruss_cfg_of_init()
506 	struct pruss *pruss;  in pruss_probe()  local
515 	pruss = devm_kzalloc(dev, sizeof(*pruss), GFP_KERNEL);  in pruss_probe()
516 	if (!pruss)  in pruss_probe()
519 	pruss->dev = dev;  in pruss_probe()
520 	mutex_init(&pruss->lock);  in pruss_probe()
522 	ret = pruss_of_setup_memories(dev, pruss);  in pruss_probe()
526 	platform_set_drvdata(pdev, pruss);  in pruss_probe()
535 	ret = pruss_cfg_of_init(dev, pruss);  in pruss_probe()