1 files changed, 12 insertions, 5 deletions

diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c
index 4f8cf5e7e45f..a4548147c621 100644
--- a/sound/pci/emu10k1/emu10k1_main.c
+++ b/sound/pci/emu10k1/emu10k1_main.c
@@ -282,7 +282,7 @@ static int snd_emu10k1_init(struct snd_emu10k1 *emu, int enable_ir, int resume)
         snd_emu10k1_ptr_write(emu, TCB, 0, 0);  /* taken from original driver */
         snd_emu10k1_ptr_write(emu, TCBS, 0, 4); /* taken from original driver */
 
-        silent_page = (emu->silent_page.addr << 1) | MAP_PTI_MASK;
+        silent_page = (emu->silent_page.addr << emu->address_mode) | (emu->address_mode ? MAP_PTI_MASK1 : MAP_PTI_MASK0);
         for (ch = 0; ch < NUM_G; ch++) {
                 snd_emu10k1_ptr_write(emu, MAPA, ch, silent_page);
                 snd_emu10k1_ptr_write(emu, MAPB, ch, silent_page);
@@ -348,6 +348,11 @@ static int snd_emu10k1_init(struct snd_emu10k1 *emu, int enable_ir, int resume)
                 outl(reg | A_IOCFG_GPOUT0, emu->port + A_IOCFG);
         }
 
+        if (emu->address_mode == 0) {
+                /* use 16M in 4G */
+                outl(inl(emu->port + HCFG) | HCFG_EXPANDED_MEM, emu->port + HCFG);
+        }
+
         return 0;
 }
 
@@ -1902,8 +1907,10 @@ int snd_emu10k1_create(struct snd_card *card,
 
         is_audigy = emu->audigy = c->emu10k2_chip;
 
+        /* set addressing mode */
+        emu->address_mode = is_audigy ? 0 : 1;
         /* set the DMA transfer mask */
-        emu->dma_mask = is_audigy ? AUDIGY_DMA_MASK : EMU10K1_DMA_MASK;
+        emu->dma_mask = emu->address_mode ? EMU10K1_DMA_MASK : AUDIGY_DMA_MASK;
         if (pci_set_dma_mask(pci, emu->dma_mask) < 0 ||
             pci_set_consistent_dma_mask(pci, emu->dma_mask) < 0) {
                 dev_err(card->dev,
@@ -1928,7 +1935,7 @@ int snd_emu10k1_create(struct snd_card *card,
 
         emu->max_cache_pages = max_cache_bytes >> PAGE_SHIFT;
         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
-                                32 * 1024, &emu->ptb_pages) < 0) {
+                                (emu->address_mode ? 32 : 16) * 1024, &emu->ptb_pages) < 0) {
                 err = -ENOMEM;
                 goto error;
         }
@@ -2027,8 +2034,8 @@ int snd_emu10k1_create(struct snd_card *card,
 
         /* Clear silent pages and set up pointers */
         memset(emu->silent_page.area, 0, PAGE_SIZE);
-        silent_page = emu->silent_page.addr << 1;
-        for (idx = 0; idx < MAXPAGES; idx++)
+        silent_page = emu->silent_page.addr << emu->address_mode;
+        for (idx = 0; idx < (emu->address_mode ? MAXPAGES1 : MAXPAGES0); idx++)
                 ((u32 *)emu->ptb_pages.area)[idx] = cpu_to_le32(silent_page | idx);
 
         /* set up voice indices */