3  * Texas Instruments Incorporated - http://www.ti.com/
4  * SPDX-License-Identifier:	GPL-2.0+
13 #include <dm/device-internal.h>
16 #include <dm/uclass-internal.h>
21  * for_each_remoteproc_device() - iterate through the list of rproc devices
24  * @skip_dev:	Device to skip calling the callback about.
54  * _rproc_name_is_unique() - iteration helper to check if rproc name is unique
55  * @dev:	device that we are checking name for
57  * @data:	compare data (this is the name we want to ensure is unique)
59  * Return: 0 is there is no match(is unique); if there is a match(we dont
60  * have a unique name), return -EINVAL.
68 	/* devices not yet populated with data - so skip them */  in _rproc_name_is_unique()
69 	if (!uc_pdata->name || !check_name)  in _rproc_name_is_unique()
73 	if (strlen(uc_pdata->name) != strlen(check_name))  in _rproc_name_is_unique()
76 	if (!strcmp(uc_pdata->name, check_name))  in _rproc_name_is_unique()
77 		return -EINVAL;  in _rproc_name_is_unique()
83  * rproc_name_is_unique() - Check if the rproc name is unique
84  * @check_dev:	Device we are attempting to ensure is unique
85  * @check_name:	Name we are trying to ensure is unique.
87  * Return: true if we have a unique name, false if name is not unique.
100  * rproc_pre_probe() - Pre probe accessor for the uclass
101  * @dev:	device for which we are preprobing
117 	if (!dev->platdata) {  in rproc_pre_probe()
120 		const void *blob = gd->fdt_blob;  in rproc_pre_probe()
123 			debug("'%s' no dt?\n", dev->name);  in rproc_pre_probe()
124 			return -EINVAL;  in rproc_pre_probe()
126 		debug("'%s': using fdt\n", dev->name);  in rproc_pre_probe()
127 		uc_pdata->name = fdt_getprop(blob, node,  in rproc_pre_probe()
128 					     "remoteproc-name", NULL);  in rproc_pre_probe()
131 		uc_pdata->mem_type = RPROC_INTERNAL_MEMORY_MAPPED;  in rproc_pre_probe()
133 				      "remoteproc-internal-memory-mapped");  in rproc_pre_probe()
135 			uc_pdata->mem_type = RPROC_INTERNAL_MEMORY_MAPPED;  in rproc_pre_probe()
138 		return -EINVAL;  in rproc_pre_probe()
142 		struct dm_rproc_uclass_pdata *pdata = dev->platdata;  in rproc_pre_probe()
144 		debug("'%s': using legacy data\n", dev->name);  in rproc_pre_probe()
145 		if (pdata->name)  in rproc_pre_probe()
146 			uc_pdata->name = pdata->name;  in rproc_pre_probe()
147 		uc_pdata->mem_type = pdata->mem_type;  in rproc_pre_probe()
148 		uc_pdata->driver_plat_data = pdata->driver_plat_data;  in rproc_pre_probe()
151 	/* Else try using device Name */  in rproc_pre_probe()
152 	if (!uc_pdata->name)  in rproc_pre_probe()
153 		uc_pdata->name = dev->name;  in rproc_pre_probe()
154 	if (!uc_pdata->name) {  in rproc_pre_probe()
155 		debug("Unnamed device!");  in rproc_pre_probe()
156 		return -EINVAL;  in rproc_pre_probe()
159 	if (!rproc_name_is_unique(dev, uc_pdata->name)) {  in rproc_pre_probe()
160 		debug("%s duplicate name '%s'\n", dev->name, uc_pdata->name);  in rproc_pre_probe()
161 		return -EINVAL;  in rproc_pre_probe()
166 		debug("%s driver has no ops?\n", dev->name);  in rproc_pre_probe()
167 		return -EINVAL;  in rproc_pre_probe()
170 	if (!ops->load || !ops->start) {  in rproc_pre_probe()
171 		debug("%s driver has missing mandatory ops?\n", dev->name);  in rproc_pre_probe()
172 		return -EINVAL;  in rproc_pre_probe()
179  * rproc_post_probe() - post probe accessor for the uclass
196 		debug("%s driver has no ops?\n", dev->name);  in rproc_post_probe()
197 		return -EINVAL;  in rproc_post_probe()
200 	if (ops->init)  in rproc_post_probe()
201 		return ops->init(dev);  in rproc_post_probe()
218  * _rproc_probe_dev() - iteration helper to probe a rproc device
219  * @dev:	device to probe
220  * @uc_pdata:	uclass data allocated for the device
234 		debug("%s: Failed to initialize - %d\n", dev->name, ret);  in _rproc_probe_dev()
239  * _rproc_dev_is_probed() - check if the device has been probed
240  * @dev:	device to check
244  * Return: -EAGAIN if not probed else return 0
250 	if (dev->flags & DM_FLAG_ACTIVATED)  in _rproc_dev_is_probed()
253 	return -EAGAIN;  in _rproc_dev_is_probed()
268 		return -EINVAL;  in rproc_init()
293 		debug("%s driver has no ops?\n", dev->name);  in rproc_load()
294 		return -EINVAL;  in rproc_load()
298 	      uc_pdata->name, addr, size);  in rproc_load()
299 	if (ops->load)  in rproc_load()
300 		return ops->load(dev, addr, size);  in rproc_load()
303 	      dev->name);  in rproc_load()
305 	return -EINVAL;  in rproc_load()
322  * _rproc_ops_wrapper() - wrapper for invoking remote proc driver callback
353 		debug("%s driver has no ops?\n", dev->name);  in _rproc_ops_wrapper()
354 		return -EINVAL;  in _rproc_ops_wrapper()
358 		fn = ops->start;  in _rproc_ops_wrapper()
363 		fn = ops->stop;  in _rproc_ops_wrapper()
367 		fn = ops->reset;  in _rproc_ops_wrapper()
371 		fn = ops->is_running;  in _rproc_ops_wrapper()
375 		fn = ops->ping;  in _rproc_ops_wrapper()
380 		return -EINVAL;  in _rproc_ops_wrapper()
383 	debug("%s %s...\n", op_str, uc_pdata->name);  in _rproc_ops_wrapper()
389 		      dev->name);  in _rproc_ops_wrapper()
391 	return -ENOSYS;  in _rproc_ops_wrapper()