1 // SPDX-License-Identifier: GPL-2.0
3 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4  * Copyright (C) 2018-2024 Linaro Ltd.
29 				      const struct ipa_resource_data *data)  in ipa_resource_limits_valid()  argument
38 	group_count = data->rsrc_group_src_count;  in ipa_resource_limits_valid()
42 	/* Return an error if a non-zero resource limit is specified  in ipa_resource_limits_valid()
45 	for (i = 0; i < data->resource_src_count; i++) {  in ipa_resource_limits_valid()
48 		resource = &data->resource_src[i];  in ipa_resource_limits_valid()
50 			if (resource->limits[j].min || resource->limits[j].max)  in ipa_resource_limits_valid()
54 	group_count = data->rsrc_group_dst_count;  in ipa_resource_limits_valid()
58 	for (i = 0; i < data->resource_dst_count; i++) {  in ipa_resource_limits_valid()
61 		resource = &data->resource_dst[i];  in ipa_resource_limits_valid()
63 			if (resource->limits[j].min || resource->limits[j].max)  in ipa_resource_limits_valid()
72 			   const struct reg *reg,  in ipa_resource_config_common()  argument
78 	val = reg_encode(reg, X_MIN_LIM, xlimits->min);  in ipa_resource_config_common()
79 	val |= reg_encode(reg, X_MAX_LIM, xlimits->max);  in ipa_resource_config_common()
81 		val |= reg_encode(reg, Y_MIN_LIM, ylimits->min);  in ipa_resource_config_common()
82 		val |= reg_encode(reg, Y_MAX_LIM, ylimits->max);  in ipa_resource_config_common()
85 	iowrite32(val, ipa->reg_virt + reg_n_offset(reg, resource_type));  in ipa_resource_config_common()
89 				    const struct ipa_resource_data *data)  in ipa_resource_config_src()  argument
91 	u32 group_count = data->rsrc_group_src_count;  in ipa_resource_config_src()
94 	const struct reg *reg;  in ipa_resource_config_src()  local
96 	resource = &data->resource_src[resource_type];  in ipa_resource_config_src()
98 	reg = ipa_reg(ipa, SRC_RSRC_GRP_01_RSRC_TYPE);  in ipa_resource_config_src()
99 	ylimits = group_count == 1 ? NULL : &resource->limits[1];  in ipa_resource_config_src()
100 	ipa_resource_config_common(ipa, resource_type, reg,  in ipa_resource_config_src()
101 				   &resource->limits[0], ylimits);  in ipa_resource_config_src()
105 	reg = ipa_reg(ipa, SRC_RSRC_GRP_23_RSRC_TYPE);  in ipa_resource_config_src()
106 	ylimits = group_count == 3 ? NULL : &resource->limits[3];  in ipa_resource_config_src()
107 	ipa_resource_config_common(ipa, resource_type, reg,  in ipa_resource_config_src()
108 				   &resource->limits[2], ylimits);  in ipa_resource_config_src()
112 	reg = ipa_reg(ipa, SRC_RSRC_GRP_45_RSRC_TYPE);  in ipa_resource_config_src()
113 	ylimits = group_count == 5 ? NULL : &resource->limits[5];  in ipa_resource_config_src()
114 	ipa_resource_config_common(ipa, resource_type, reg,  in ipa_resource_config_src()
115 				   &resource->limits[4], ylimits);  in ipa_resource_config_src()
119 	reg = ipa_reg(ipa, SRC_RSRC_GRP_67_RSRC_TYPE);  in ipa_resource_config_src()
120 	ylimits = group_count == 7 ? NULL : &resource->limits[7];  in ipa_resource_config_src()
121 	ipa_resource_config_common(ipa, resource_type, reg,  in ipa_resource_config_src()
122 				   &resource->limits[6], ylimits);  in ipa_resource_config_src()
126 				    const struct ipa_resource_data *data)  in ipa_resource_config_dst()  argument
128 	u32 group_count = data->rsrc_group_dst_count;  in ipa_resource_config_dst()
131 	const struct reg *reg;  in ipa_resource_config_dst()  local
133 	resource = &data->resource_dst[resource_type];  in ipa_resource_config_dst()
135 	reg = ipa_reg(ipa, DST_RSRC_GRP_01_RSRC_TYPE);  in ipa_resource_config_dst()
136 	ylimits = group_count == 1 ? NULL : &resource->limits[1];  in ipa_resource_config_dst()
137 	ipa_resource_config_common(ipa, resource_type, reg,  in ipa_resource_config_dst()
138 				   &resource->limits[0], ylimits);  in ipa_resource_config_dst()
142 	reg = ipa_reg(ipa, DST_RSRC_GRP_23_RSRC_TYPE);  in ipa_resource_config_dst()
143 	ylimits = group_count == 3 ? NULL : &resource->limits[3];  in ipa_resource_config_dst()
144 	ipa_resource_config_common(ipa, resource_type, reg,  in ipa_resource_config_dst()
145 				   &resource->limits[2], ylimits);  in ipa_resource_config_dst()
149 	reg = ipa_reg(ipa, DST_RSRC_GRP_45_RSRC_TYPE);  in ipa_resource_config_dst()
150 	ylimits = group_count == 5 ? NULL : &resource->limits[5];  in ipa_resource_config_dst()
151 	ipa_resource_config_common(ipa, resource_type, reg,  in ipa_resource_config_dst()
152 				   &resource->limits[4], ylimits);  in ipa_resource_config_dst()
156 	reg = ipa_reg(ipa, DST_RSRC_GRP_67_RSRC_TYPE);  in ipa_resource_config_dst()
157 	ylimits = group_count == 7 ? NULL : &resource->limits[7];  in ipa_resource_config_dst()
158 	ipa_resource_config_common(ipa, resource_type, reg,  in ipa_resource_config_dst()
159 				   &resource->limits[6], ylimits);  in ipa_resource_config_dst()
163 int ipa_resource_config(struct ipa *ipa, const struct ipa_resource_data *data)  in ipa_resource_config()  argument
167 	if (!ipa_resource_limits_valid(ipa, data))  in ipa_resource_config()
168 		return -EINVAL;  in ipa_resource_config()
170 	for (i = 0; i < data->resource_src_count; i++)  in ipa_resource_config()
171 		ipa_resource_config_src(ipa, i, data);  in ipa_resource_config()
173 	for (i = 0; i < data->resource_dst_count; i++)  in ipa_resource_config()
174 		ipa_resource_config_dst(ipa, i, data);  in ipa_resource_config()