133 #define firstpg(blk)	(((struct snd_trident_memblk_arg *)snd_util_memblk_argptr(blk))->first_page)  argument
134 #define lastpg(blk)	(((struct snd_trident_memblk_arg *)snd_util_memblk_argptr(blk))->last_page)  argument
142 	struct snd_util_memblk *blk;  in search_empty()  local
149 		blk = list_entry(p, struct snd_util_memblk, list);  in search_empty()
150 		if (page + psize <= firstpg(blk))  in search_empty()
152 		page = lastpg(blk) + 1;  in search_empty()
159 	blk = __snd_util_memblk_new(hdr, psize * ALIGN_PAGE_SIZE, p->prev);  in search_empty()
160 	if (blk == NULL)  in search_empty()
162 	blk->offset = aligned_page_offset(page); /* set aligned offset */  in search_empty()
163 	firstpg(blk) = page;  in search_empty()
164 	lastpg(blk) = page + psize - 1;  in search_empty()
165 	return blk;  in search_empty()
193 	struct snd_util_memblk *blk;  in snd_trident_alloc_sg_pages()  local
208 	blk = search_empty(hdr, runtime->dma_bytes);  in snd_trident_alloc_sg_pages()
209 	if (blk == NULL) {  in snd_trident_alloc_sg_pages()
216 	for (page = firstpg(blk); page <= lastpg(blk); page++, idx++) {  in snd_trident_alloc_sg_pages()
222 			__snd_util_mem_free(hdr, blk);  in snd_trident_alloc_sg_pages()
229 	return blk;  in snd_trident_alloc_sg_pages()
240 	struct snd_util_memblk *blk;  in snd_trident_alloc_cont_pages()  local
255 	blk = search_empty(hdr, runtime->dma_bytes);  in snd_trident_alloc_cont_pages()
256 	if (blk == NULL) {  in snd_trident_alloc_cont_pages()
264 	for (page = firstpg(blk); page <= lastpg(blk); page++,  in snd_trident_alloc_cont_pages()
267 			__snd_util_mem_free(hdr, blk);  in snd_trident_alloc_cont_pages()
274 	return blk;  in snd_trident_alloc_cont_pages()
297 			   struct snd_util_memblk *blk)  in snd_trident_free_pages()  argument
302 	if (snd_BUG_ON(!trident || !blk))  in snd_trident_free_pages()
308 	for (page = firstpg(blk); page <= lastpg(blk); page++)  in snd_trident_free_pages()
311 	__snd_util_mem_free(hdr, blk);  in snd_trident_free_pages()