118 static void snd_malloc_dev_iram(struct snd_dma_buffer *dmab, size_t size)  in snd_malloc_dev_iram()  argument
120 	struct device *dev = dmab->dev.dev;  in snd_malloc_dev_iram()
123 	dmab->area = NULL;  in snd_malloc_dev_iram()
124 	dmab->addr = 0;  in snd_malloc_dev_iram()
133 	dmab->private_data = pool;  in snd_malloc_dev_iram()
135 	dmab->area = gen_pool_dma_alloc(pool, size, &dmab->addr);  in snd_malloc_dev_iram()
142 static void snd_free_dev_iram(struct snd_dma_buffer *dmab)  in snd_free_dev_iram()  argument
144 	struct gen_pool *pool = dmab->private_data;  in snd_free_dev_iram()
146 	if (pool && dmab->area)  in snd_free_dev_iram()
147 		gen_pool_free(pool, (unsigned long)dmab->area, dmab->bytes);  in snd_free_dev_iram()
173 			struct snd_dma_buffer *dmab)  in snd_dma_alloc_pages()  argument
177 	if (WARN_ON(!dmab))  in snd_dma_alloc_pages()
180 	dmab->dev.type = type;  in snd_dma_alloc_pages()
181 	dmab->dev.dev = device;  in snd_dma_alloc_pages()
182 	dmab->bytes = 0;  in snd_dma_alloc_pages()
185 		dmab->area = snd_malloc_pages(size,  in snd_dma_alloc_pages()
187 		dmab->addr = 0;  in snd_dma_alloc_pages()
192 		snd_malloc_dev_iram(dmab, size);  in snd_dma_alloc_pages()
193 		if (dmab->area)  in snd_dma_alloc_pages()
198 		dmab->dev.type = SNDRV_DMA_TYPE_DEV;  in snd_dma_alloc_pages()
201 		dmab->area = snd_malloc_dev_pages(device, size, &dmab->addr);  in snd_dma_alloc_pages()
206 		snd_malloc_sgbuf_pages(device, size, dmab, NULL);  in snd_dma_alloc_pages()
211 		dmab->area = NULL;  in snd_dma_alloc_pages()
212 		dmab->addr = 0;  in snd_dma_alloc_pages()
215 	if (! dmab->area)  in snd_dma_alloc_pages()
217 	dmab->bytes = size;  in snd_dma_alloc_pages()
237 				 struct snd_dma_buffer *dmab)  in snd_dma_alloc_pages_fallback()  argument
241 	while ((err = snd_dma_alloc_pages(type, device, size, dmab)) < 0) {  in snd_dma_alloc_pages_fallback()
253 	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()