Lines Matching refs:sgbuf
34 struct snd_sg_buf *sgbuf = dmab->private_data;
38 if (! sgbuf)
46 tmpb.dev.dev = sgbuf->dev;
47 for (i = 0; i < sgbuf->pages; i++) {
48 if (!(sgbuf->table[i].addr & ~PAGE_MASK))
50 tmpb.area = sgbuf->table[i].buf;
51 tmpb.addr = sgbuf->table[i].addr & PAGE_MASK;
52 tmpb.bytes = (sgbuf->table[i].addr & ~PAGE_MASK) << PAGE_SHIFT;
56 kfree(sgbuf->table);
57 kfree(sgbuf->page_table);
58 kfree(sgbuf);
70 struct snd_sg_buf *sgbuf;
78 dmab->private_data = sgbuf = kzalloc(sizeof(*sgbuf), GFP_KERNEL);
79 if (! sgbuf)
81 sgbuf->dev = device;
83 sgbuf->tblsize = sgbuf_align_table(pages);
84 table = kcalloc(sgbuf->tblsize, sizeof(*table), GFP_KERNEL);
87 sgbuf->table = table;
88 pgtable = kcalloc(sgbuf->tblsize, sizeof(*pgtable), GFP_KERNEL);
91 sgbuf->page_table = pgtable;
103 if (!sgbuf->pages)
107 size = sgbuf->pages * PAGE_SIZE;
121 sgbuf->pages += chunk;
127 sgbuf->size = size;
128 dmab->area = vmap(sgbuf->page_table, sgbuf->pages, VM_MAP, PAGE_KERNEL);
132 *res_size = sgbuf->size;