nvkm/core/firmware.c

47 	const struct firmware *fw;
50 	ret = nvkm_firmware_load_name(subdev, base, name, ver, &fw);
52 		blob->data = kmemdup(fw->data, fw->size, GFP_KERNEL);
53 		blob->size = fw->size;
54 		nvkm_firmware_put(fw);
67  * @fw:		firmware structure to load to
74 		  const struct firmware **fw)
94 	if (!firmware_request_nowarn(fw, f, device->dev)) {
96 			   f, (*fw)->size);
108 nvkm_firmware_put(const struct firmware *fw)
110 	release_firmware(fw);
118 	struct nvkm_firmware *fw = nvkm_firmware_mem(memory);
120 	switch (fw->func->type) {
121 	case NVKM_FIRMWARE_IMG_DMA: return &fw->mem.sgl;
122 	case NVKM_FIRMWARE_IMG_SGT: return  fw->mem.sgt.sgl;
135 	struct nvkm_firmware *fw = nvkm_firmware_mem(memory);
137 		.memory = &fw->mem.memory,
195 nvkm_firmware_dtor(struct nvkm_firmware *fw)
197 	struct nvkm_memory *memory = &fw->mem.memory;
199 	if (!fw->img)
202 	switch (fw->func->type) {
204 		kfree(fw->img);
208 		dma_free_coherent(fw->device->dev, sg_dma_len(&fw->mem.sgl), fw->img, fw->phys);
212 		dma_unmap_sgtable(fw->device->dev, &fw->mem.sgt, DMA_TO_DEVICE, 0);
213 		sg_free_table(&fw->mem.sgt);
214 		vfree(fw->img);
221 	fw->img = NULL;
226 		   struct nvkm_device *device, const void *src, int len, struct nvkm_firmware *fw)
228 	fw->func = func;
229 	fw->name = name;
230 	fw->device = device;
231 	fw->len = len;
233 	switch (fw->func->type) {
235 		fw->img = kmemdup(src, fw->len, GFP_KERNEL);
240 		len = ALIGN(fw->len, PAGE_SIZE);
242 		fw->img = dma_alloc_coherent(fw->device->dev, len, &addr, GFP_KERNEL);
243 		if (fw->img) {
244 			memcpy(fw->img, src, fw->len);
245 			fw->phys = addr;
248 		sg_init_one(&fw->mem.sgl, fw->img, len);
249 		sg_dma_address(&fw->mem.sgl) = fw->phys;
250 		sg_dma_len(&fw->mem.sgl) = len;
254 		len = ALIGN(fw->len, PAGE_SIZE);
256 		fw->img = vmalloc(len);
257 		if (fw->img) {
261 			memcpy(fw->img, src, fw->len);
263 			ret = sg_alloc_table(&fw->mem.sgt, pages, GFP_KERNEL);
266 				u8 *data = fw->img;
269 				for_each_sgtable_sg(&fw->mem.sgt, sgl, i) {
282 					ret = dma_map_sgtable(fw->device->dev, &fw->mem.sgt,
287 					sg_free_table(&fw->mem.sgt);
291 				vfree(fw->img);
292 				fw->img = NULL;
301 	if (!fw->img)
304 	nvkm_memory_ctor(&nvkm_firmware_mem, &fw->mem.memory);