17 static int fw_next(struct tegra_drm_firewall *fw, u32 *word)  in fw_next()  argument
19 	if (fw->pos == fw->end)  in fw_next()
22 	*word = fw->data[fw->pos++];  in fw_next()
27 static bool fw_check_addr_valid(struct tegra_drm_firewall *fw, u32 offset)  in fw_check_addr_valid()  argument
31 	for (i = 0; i < fw->submit->num_used_mappings; i++) {  in fw_check_addr_valid()
32 		struct tegra_drm_mapping *m = fw->submit->used_mappings[i].mapping;  in fw_check_addr_valid()
41 static int fw_check_reg(struct tegra_drm_firewall *fw, u32 offset)  in fw_check_reg()  argument
47 	err = fw_next(fw, &word);  in fw_check_reg()
51 	if (!fw->client->ops->is_addr_reg)  in fw_check_reg()
54 	is_addr = fw->client->ops->is_addr_reg(fw->client->base.dev, fw->class,  in fw_check_reg()
60 	if (!fw_check_addr_valid(fw, word))  in fw_check_reg()
66 static int fw_check_regs_seq(struct tegra_drm_firewall *fw, u32 offset,  in fw_check_regs_seq()  argument
72 		if (fw_check_reg(fw, offset))  in fw_check_regs_seq()
82 static int fw_check_regs_mask(struct tegra_drm_firewall *fw, u32 offset,  in fw_check_regs_mask()  argument
89 		if (fw_check_reg(fw, offset+bit))  in fw_check_regs_mask()
96 static int fw_check_regs_imm(struct tegra_drm_firewall *fw, u32 offset)  in fw_check_regs_imm()  argument
100 	if (!fw->client->ops->is_addr_reg)  in fw_check_regs_imm()
103 	is_addr = fw->client->ops->is_addr_reg(fw->client->base.dev, fw->class,  in fw_check_regs_imm()
111 static int fw_check_class(struct tegra_drm_firewall *fw, u32 class)  in fw_check_class()  argument
113 	if (!fw->client->ops->is_valid_class) {  in fw_check_class()
114 		if (class == fw->client->base.class)  in fw_check_class()
120 	if (!fw->client->ops->is_valid_class(class))  in fw_check_class()
148 	struct tegra_drm_firewall fw = {  in tegra_drm_fw_validate()  local
160 	while (fw.pos != fw.end) {  in tegra_drm_fw_validate()
163 		err = fw_next(&fw, &word);  in tegra_drm_fw_validate()
174 			err = fw_check_class(&fw, class);  in tegra_drm_fw_validate()
175 			fw.class = class;  in tegra_drm_fw_validate()
178 				err = fw_check_regs_mask(&fw, offset, mask);  in tegra_drm_fw_validate()
182 					 offset, mask, class, fw.pos-1);  in tegra_drm_fw_validate()
187 			err = fw_check_regs_seq(&fw, offset, count, true);  in tegra_drm_fw_validate()
191 					 offset, count, fw.class, fw.pos-1);  in tegra_drm_fw_validate()
196 			err = fw_check_regs_seq(&fw, offset, count, false);  in tegra_drm_fw_validate()
200 					 offset, count, fw.class, fw.pos-1);  in tegra_drm_fw_validate()
205 			err = fw_check_regs_mask(&fw, offset, mask);  in tegra_drm_fw_validate()
209 					 offset, mask, fw.class, fw.pos-1);  in tegra_drm_fw_validate()
214 			err = fw_check_regs_imm(&fw, offset);  in tegra_drm_fw_validate()
218 					 offset, fw.class, fw.pos-1);  in tegra_drm_fw_validate()
229 			err = fw_check_regs_seq(&fw, offset, payload, true);  in tegra_drm_fw_validate()
233 					 offset, fw.class, fw.pos-1);  in tegra_drm_fw_validate()
240 			err = fw_check_regs_seq(&fw, offset, payload, false);  in tegra_drm_fw_validate()
244 					 offset, fw.class, fw.pos-1);  in tegra_drm_fw_validate()
248 				 fw.pos-1);  in tegra_drm_fw_validate()