20 #include "core.h"
28 static void venus_reset_cpu(struct venus_core *core)  in venus_reset_cpu()  argument
30 	u32 fw_size = core->fw.mapped_mem_size;  in venus_reset_cpu()
33 	if (IS_IRIS2_1(core))  in venus_reset_cpu()
34 		wrapper_base = core->wrapper_tz_base;  in venus_reset_cpu()
36 		wrapper_base = core->wrapper_base;  in venus_reset_cpu()
45 	if (IS_IRIS2_1(core)) {  in venus_reset_cpu()
57 int venus_set_hw_state(struct venus_core *core, bool resume)  in venus_set_hw_state()  argument
61 	if (core->use_tz) {  in venus_set_hw_state()
69 		venus_reset_cpu(core);  in venus_set_hw_state()
71 		if (IS_IRIS2_1(core))  in venus_set_hw_state()
73 			       core->wrapper_tz_base + WRAPPER_TZ_XTSS_SW_RESET);  in venus_set_hw_state()
76 			       core->wrapper_base + WRAPPER_A9SS_SW_RESET);  in venus_set_hw_state()
82 static int venus_load_fw(struct venus_core *core, const char *fwname,  in venus_load_fw()  argument
96 	dev = core->dev;  in venus_load_fw()
135 	if (core->use_tz)  in venus_load_fw()
148 static int venus_boot_no_tz(struct venus_core *core, phys_addr_t mem_phys,  in venus_boot_no_tz()  argument
155 	dev = core->fw.dev;  in venus_boot_no_tz()
159 	iommu = core->fw.iommu_domain;  in venus_boot_no_tz()
160 	core->fw.mapped_mem_size = mem_size;  in venus_boot_no_tz()
169 	venus_reset_cpu(core);  in venus_boot_no_tz()
174 static int venus_shutdown_no_tz(struct venus_core *core)  in venus_shutdown_no_tz()  argument
176 	const size_t mapped = core->fw.mapped_mem_size;  in venus_shutdown_no_tz()
180 	struct device *dev = core->fw.dev;  in venus_shutdown_no_tz()
181 	void __iomem *wrapper_base = core->wrapper_base;  in venus_shutdown_no_tz()
182 	void __iomem *wrapper_tz_base = core->wrapper_tz_base;  in venus_shutdown_no_tz()
184 	if (IS_IRIS2_1(core)) {  in venus_shutdown_no_tz()
196 	iommu = core->fw.iommu_domain;  in venus_shutdown_no_tz()
198 	if (core->fw.mapped_mem_size && iommu) {  in venus_shutdown_no_tz()
204 			core->fw.mapped_mem_size = 0;  in venus_shutdown_no_tz()
210 int venus_boot(struct venus_core *core)  in venus_boot()  argument
212 	struct device *dev = core->dev;  in venus_boot()
213 	const struct venus_resources *res = core->res;  in venus_boot()
220 	    (core->use_tz && !qcom_scm_is_available()))  in venus_boot()
226 		fwpath = core->res->fwname;  in venus_boot()
228 	ret = venus_load_fw(core, fwpath, &mem_phys, &mem_size);  in venus_boot()
234 	core->fw.mem_size = mem_size;  in venus_boot()
235 	core->fw.mem_phys = mem_phys;  in venus_boot()
237 	if (core->use_tz)  in venus_boot()
240 		ret = venus_boot_no_tz(core, mem_phys, mem_size);  in venus_boot()
245 	if (core->use_tz && res->cp_size) {  in venus_boot()
271 int venus_shutdown(struct venus_core *core)  in venus_shutdown()  argument
275 	if (core->use_tz)  in venus_shutdown()
278 		ret = venus_shutdown_no_tz(core);  in venus_shutdown()
283 int venus_firmware_init(struct venus_core *core)  in venus_firmware_init()  argument
291 	np = of_get_child_by_name(core->dev->of_node, "video-firmware");  in venus_firmware_init()
293 		core->use_tz = true;  in venus_firmware_init()
299 	info.parent = core->dev;  in venus_firmware_init()
313 		dev_err(core->dev, "dma configure fail\n");  in venus_firmware_init()
317 	core->fw.dev = &pdev->dev;  in venus_firmware_init()
319 	iommu_dom = iommu_paging_domain_alloc(core->fw.dev);  in venus_firmware_init()
321 		dev_err(core->fw.dev, "Failed to allocate iommu domain\n");  in venus_firmware_init()
326 	ret = iommu_attach_device(iommu_dom, core->fw.dev);  in venus_firmware_init()
328 		dev_err(core->fw.dev, "could not attach device\n");  in venus_firmware_init()
332 	core->fw.iommu_domain = iommu_dom;  in venus_firmware_init()
346 void venus_firmware_deinit(struct venus_core *core)  in venus_firmware_deinit()  argument
350 	if (!core->fw.dev)  in venus_firmware_deinit()
353 	iommu = core->fw.iommu_domain;  in venus_firmware_deinit()
355 	iommu_detach_device(iommu, core->fw.dev);  in venus_firmware_deinit()
357 	if (core->fw.iommu_domain) {  in venus_firmware_deinit()
359 		core->fw.iommu_domain = NULL;  in venus_firmware_deinit()
362 	platform_device_unregister(to_platform_device(core->fw.dev));  in venus_firmware_deinit()