101 #define firstpg(blk)	(((struct snd_trident_memblk_arg *)snd_util_memblk_argptr(blk))->first_page)  argument
102 #define lastpg(blk)	(((struct snd_trident_memblk_arg *)snd_util_memblk_argptr(blk))->last_page)  argument
110 	struct snd_util_memblk *blk;  in search_empty()  local
117 		blk = list_entry(p, struct snd_util_memblk, list);  in search_empty()
118 		if (page + psize <= firstpg(blk))  in search_empty()
120 		page = lastpg(blk) + 1;  in search_empty()
127 	blk = __snd_util_memblk_new(hdr, psize * ALIGN_PAGE_SIZE, p->prev);  in search_empty()
128 	if (blk == NULL)  in search_empty()
130 	blk->offset = aligned_page_offset(page); /* set aligned offset */  in search_empty()
131 	firstpg(blk) = page;  in search_empty()
132 	lastpg(blk) = page + psize - 1;  in search_empty()
133 	return blk;  in search_empty()
161 	struct snd_util_memblk *blk;  in snd_trident_alloc_sg_pages()  local
176 	blk = search_empty(hdr, runtime->dma_bytes);  in snd_trident_alloc_sg_pages()
177 	if (blk == NULL) {  in snd_trident_alloc_sg_pages()
184 	for (page = firstpg(blk); page <= lastpg(blk); page++, idx++) {  in snd_trident_alloc_sg_pages()
188 			__snd_util_mem_free(hdr, blk);  in snd_trident_alloc_sg_pages()
195 	return blk;  in snd_trident_alloc_sg_pages()
206 	struct snd_util_memblk *blk;  in snd_trident_alloc_cont_pages()  local
220 	blk = search_empty(hdr, runtime->dma_bytes);  in snd_trident_alloc_cont_pages()
221 	if (blk == NULL) {  in snd_trident_alloc_cont_pages()
228 	for (page = firstpg(blk); page <= lastpg(blk); page++,  in snd_trident_alloc_cont_pages()
231 			__snd_util_mem_free(hdr, blk);  in snd_trident_alloc_cont_pages()
238 	return blk;  in snd_trident_alloc_cont_pages()
261 			   struct snd_util_memblk *blk)  in snd_trident_free_pages()  argument
266 	if (snd_BUG_ON(!trident || !blk))  in snd_trident_free_pages()
272 	for (page = firstpg(blk); page <= lastpg(blk); page++)  in snd_trident_free_pages()
275 	__snd_util_mem_free(hdr, blk);  in snd_trident_free_pages()