120 static void snd_malloc_dev_iram(struct snd_dma_buffer *dmab, size_t size)  in snd_malloc_dev_iram()  argument
122 	struct device *dev = dmab->dev.dev;  in snd_malloc_dev_iram()
125 	dmab->area = NULL;  in snd_malloc_dev_iram()
126 	dmab->addr = 0;  in snd_malloc_dev_iram()
135 	dmab->private_data = pool;  in snd_malloc_dev_iram()
137 	dmab->area = gen_pool_dma_alloc(pool, size, &dmab->addr);  in snd_malloc_dev_iram()
144 static void snd_free_dev_iram(struct snd_dma_buffer *dmab)  in snd_free_dev_iram()  argument
146 	struct gen_pool *pool = dmab->private_data;  in snd_free_dev_iram()
148 	if (pool && dmab->area)  in snd_free_dev_iram()
149 		gen_pool_free(pool, (unsigned long)dmab->area, dmab->bytes);  in snd_free_dev_iram()
175 			struct snd_dma_buffer *dmab)  in snd_dma_alloc_pages()  argument
179 	if (WARN_ON(!dmab))  in snd_dma_alloc_pages()
182 	dmab->dev.type = type;  in snd_dma_alloc_pages()
183 	dmab->dev.dev = device;  in snd_dma_alloc_pages()
184 	dmab->bytes = 0;  in snd_dma_alloc_pages()
187 		dmab->area = snd_malloc_pages(size,  in snd_dma_alloc_pages()
189 		dmab->addr = 0;  in snd_dma_alloc_pages()
194 		snd_malloc_dev_iram(dmab, size);  in snd_dma_alloc_pages()
195 		if (dmab->area)  in snd_dma_alloc_pages()
200 		dmab->dev.type = SNDRV_DMA_TYPE_DEV;  in snd_dma_alloc_pages()
203 		dmab->area = snd_malloc_dev_pages(device, size, &dmab->addr);  in snd_dma_alloc_pages()
208 		snd_malloc_sgbuf_pages(device, size, dmab, NULL);  in snd_dma_alloc_pages()
213 		dmab->area = NULL;  in snd_dma_alloc_pages()
214 		dmab->addr = 0;  in snd_dma_alloc_pages()
217 	if (! dmab->area)  in snd_dma_alloc_pages()
219 	dmab->bytes = size;  in snd_dma_alloc_pages()
240 				 struct snd_dma_buffer *dmab)  in snd_dma_alloc_pages_fallback()  argument
244 	while ((err = snd_dma_alloc_pages(type, device, size, dmab)) < 0) {  in snd_dma_alloc_pages_fallback()
252 	if (! dmab->area)  in snd_dma_alloc_pages_fallback()
265 void snd_dma_free_pages(struct snd_dma_buffer *dmab)  in snd_dma_free_pages()  argument
267 	switch (dmab->dev.type) {  in snd_dma_free_pages()
269 		snd_free_pages(dmab->area, dmab->bytes);  in snd_dma_free_pages()
274 		snd_free_dev_iram(dmab);  in snd_dma_free_pages()
278 		snd_free_dev_pages(dmab->dev.dev, dmab->bytes, dmab->area, dmab->addr);  in snd_dma_free_pages()
283 		snd_free_sgbuf_pages(dmab);  in snd_dma_free_pages()
287 		pr_err("snd-malloc: invalid device type %d\n", dmab->dev.type);  in snd_dma_free_pages()