ALSA: hda: Use position_fix=1 for Acer Aspire 5538 to enable capture on internal mic
[cascardo/linux.git] / sound / pci / hda / hda_intel.c
index 34940a0..b030c8e 100644 (file)
@@ -78,8 +78,8 @@ MODULE_PARM_DESC(enable, "Enable Intel HD audio interface.");
 module_param_array(model, charp, NULL, 0444);
 MODULE_PARM_DESC(model, "Use the given board model.");
 module_param_array(position_fix, int, NULL, 0444);
-MODULE_PARM_DESC(position_fix, "Fix DMA pointer "
-                "(0 = auto, 1 = none, 2 = POSBUF).");
+MODULE_PARM_DESC(position_fix, "DMA pointer read method."
+                "(0 = auto, 1 = LPIB, 2 = POSBUF, 3 = VIACOMBO).");
 module_param_array(bdl_pos_adj, int, NULL, 0644);
 MODULE_PARM_DESC(bdl_pos_adj, "BDL position adjustment offset.");
 module_param_array(probe_mask, int, NULL, 0444);
@@ -305,6 +305,7 @@ enum {
        POS_FIX_AUTO,
        POS_FIX_LPIB,
        POS_FIX_POSBUF,
+       POS_FIX_VIACOMBO,
 };
 
 /* Defines for ATI HD Audio support in SB450 south bridge */
@@ -433,7 +434,6 @@ struct azx {
        unsigned int polling_mode :1;
        unsigned int msi :1;
        unsigned int irq_pending_warned :1;
-       unsigned int via_dmapos_patch :1; /* enable DMA-position fix for VIA */
        unsigned int probing :1; /* codec probing phase */
 
        /* for debugging */
@@ -458,6 +458,7 @@ enum {
        AZX_DRIVER_ULI,
        AZX_DRIVER_NVIDIA,
        AZX_DRIVER_TERA,
+       AZX_DRIVER_CTX,
        AZX_DRIVER_GENERIC,
        AZX_NUM_DRIVERS, /* keep this as last entry */
 };
@@ -473,6 +474,7 @@ static char *driver_short_names[] __devinitdata = {
        [AZX_DRIVER_ULI] = "HDA ULI M5461",
        [AZX_DRIVER_NVIDIA] = "HDA NVidia",
        [AZX_DRIVER_TERA] = "HDA Teradici", 
+       [AZX_DRIVER_CTX] = "HDA Creative", 
        [AZX_DRIVER_GENERIC] = "HD-Audio Generic",
 };
 
@@ -563,7 +565,10 @@ static void azx_init_cmd_io(struct azx *chip)
        /* reset the rirb hw write pointer */
        azx_writew(chip, RIRBWP, ICH6_RIRBWP_RST);
        /* set N=1, get RIRB response interrupt for new entry */
-       azx_writew(chip, RINTCNT, 1);
+       if (chip->driver_type == AZX_DRIVER_CTX)
+               azx_writew(chip, RINTCNT, 0xc0);
+       else
+               azx_writew(chip, RINTCNT, 1);
        /* enable rirb dma and response irq */
        azx_writeb(chip, RIRBCTL, ICH6_RBCTL_DMA_EN | ICH6_RBCTL_IRQ_EN);
        spin_unlock_irq(&chip->reg_lock);
@@ -1136,8 +1141,11 @@ static irqreturn_t azx_interrupt(int irq, void *dev_id)
        /* clear rirb int */
        status = azx_readb(chip, RIRBSTS);
        if (status & RIRB_INT_MASK) {
-               if (status & RIRB_INT_RESPONSE)
+               if (status & RIRB_INT_RESPONSE) {
+                       if (chip->driver_type == AZX_DRIVER_CTX)
+                               udelay(80);
                        azx_update_rirb(chip);
+               }
                azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
        }
 
@@ -1309,11 +1317,8 @@ static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev)
        azx_sd_writel(azx_dev, SD_BDLPU, upper_32_bits(azx_dev->bdl.addr));
 
        /* enable the position buffer */
-       if (chip->position_fix[0] == POS_FIX_POSBUF ||
-           chip->position_fix[0] == POS_FIX_AUTO ||
-           chip->position_fix[1] == POS_FIX_POSBUF ||
-           chip->position_fix[1] == POS_FIX_AUTO ||
-           chip->via_dmapos_patch) {
+       if (chip->position_fix[0] != POS_FIX_LPIB ||
+           chip->position_fix[1] != POS_FIX_LPIB) {
                if (!(azx_readl(chip, DPLBASE) & ICH6_DPLBASE_ENABLE))
                        azx_writel(chip, DPLBASE,
                                (u32)chip->posbuf.addr | ICH6_DPLBASE_ENABLE);
@@ -1647,7 +1652,7 @@ static int azx_pcm_prepare(struct snd_pcm_substream *substream)
        struct azx_dev *azx_dev = get_azx_dev(substream);
        struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
        struct snd_pcm_runtime *runtime = substream->runtime;
-       unsigned int bufsize, period_bytes, format_val;
+       unsigned int bufsize, period_bytes, format_val, stream_tag;
        int err;
 
        azx_stream_reset(chip, azx_dev);
@@ -1689,7 +1694,12 @@ static int azx_pcm_prepare(struct snd_pcm_substream *substream)
        else
                azx_dev->fifo_size = 0;
 
-       return snd_hda_codec_prepare(apcm->codec, hinfo, azx_dev->stream_tag,
+       stream_tag = azx_dev->stream_tag;
+       /* CA-IBG chips need the playback stream starting from 1 */
+       if (chip->driver_type == AZX_DRIVER_CTX &&
+           stream_tag > chip->capture_streams)
+               stream_tag -= chip->capture_streams;
+       return snd_hda_codec_prepare(apcm->codec, hinfo, stream_tag,
                                     azx_dev->format_val, substream);
 }
 
@@ -1852,20 +1862,21 @@ static unsigned int azx_get_position(struct azx *chip,
                                     struct azx_dev *azx_dev)
 {
        unsigned int pos;
+       int stream = azx_dev->substream->stream;
 
-       if (chip->via_dmapos_patch)
+       switch (chip->position_fix[stream]) {
+       case POS_FIX_LPIB:
+               /* read LPIB */
+               pos = azx_sd_readl(azx_dev, SD_LPIB);
+               break;
+       case POS_FIX_VIACOMBO:
                pos = azx_via_get_position(chip, azx_dev);
-       else {
-               int stream = azx_dev->substream->stream;
-               if (chip->position_fix[stream] == POS_FIX_POSBUF ||
-                   chip->position_fix[stream] == POS_FIX_AUTO) {
-                       /* use the position buffer */
-                       pos = le32_to_cpu(*azx_dev->posbuf);
-               } else {
-                       /* read LPIB */
-                       pos = azx_sd_readl(azx_dev, SD_LPIB);
-               }
+               break;
+       default:
+               /* use the position buffer */
+               pos = le32_to_cpu(*azx_dev->posbuf);
        }
+
        if (pos >= azx_dev->bufsize)
                pos = 0;
        return pos;
@@ -2285,6 +2296,7 @@ static int azx_dev_free(struct snd_device *device)
  */
 static struct snd_pci_quirk position_fix_list[] __devinitdata = {
        SND_PCI_QUIRK(0x1025, 0x009f, "Acer Aspire 5110", POS_FIX_LPIB),
+       SND_PCI_QUIRK(0x1025, 0x026f, "Acer Aspire 5538", POS_FIX_LPIB),
        SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB),
        SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
        SND_PCI_QUIRK(0x1028, 0x01f6, "Dell Latitude 131L", POS_FIX_LPIB),
@@ -2313,19 +2325,10 @@ static int __devinit check_position_fix(struct azx *chip, int fix)
        switch (fix) {
        case POS_FIX_LPIB:
        case POS_FIX_POSBUF:
+       case POS_FIX_VIACOMBO:
                return fix;
        }
 
-       /* Check VIA/ATI HD Audio Controller exist */
-       switch (chip->driver_type) {
-       case AZX_DRIVER_VIA:
-       case AZX_DRIVER_ATI:
-               chip->via_dmapos_patch = 1;
-               /* Use link position directly, avoid any transfer problem. */
-               return POS_FIX_LPIB;
-       }
-       chip->via_dmapos_patch = 0;
-
        q = snd_pci_quirk_lookup(chip->pci, position_fix_list);
        if (q) {
                printk(KERN_INFO
@@ -2334,6 +2337,15 @@ static int __devinit check_position_fix(struct azx *chip, int fix)
                       q->value, q->subvendor, q->subdevice);
                return q->value;
        }
+
+       /* Check VIA/ATI HD Audio Controller exist */
+       switch (chip->driver_type) {
+       case AZX_DRIVER_VIA:
+       case AZX_DRIVER_ATI:
+               /* Use link position directly, avoid any transfer problem. */
+               return POS_FIX_VIACOMBO;
+       }
+
        return POS_FIX_AUTO;
 }
 
@@ -2735,25 +2747,17 @@ static void __devexit azx_remove(struct pci_dev *pci)
 
 /* PCI IDs */
 static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
-       /* ICH 6..10 */
-       { PCI_DEVICE(0x8086, 0x2668), .driver_data = AZX_DRIVER_ICH },
-       { PCI_DEVICE(0x8086, 0x27d8), .driver_data = AZX_DRIVER_ICH },
-       { PCI_DEVICE(0x8086, 0x269a), .driver_data = AZX_DRIVER_ICH },
-       { PCI_DEVICE(0x8086, 0x284b), .driver_data = AZX_DRIVER_ICH },
-       { PCI_DEVICE(0x8086, 0x2911), .driver_data = AZX_DRIVER_ICH },
-       { PCI_DEVICE(0x8086, 0x293e), .driver_data = AZX_DRIVER_ICH },
-       { PCI_DEVICE(0x8086, 0x293f), .driver_data = AZX_DRIVER_ICH },
-       { PCI_DEVICE(0x8086, 0x3a3e), .driver_data = AZX_DRIVER_ICH },
-       { PCI_DEVICE(0x8086, 0x3a6e), .driver_data = AZX_DRIVER_ICH },
-       /* PCH */
-       { PCI_DEVICE(0x8086, 0x3b56), .driver_data = AZX_DRIVER_ICH },
-       { PCI_DEVICE(0x8086, 0x3b57), .driver_data = AZX_DRIVER_ICH },
        /* CPT */
        { PCI_DEVICE(0x8086, 0x1c20), .driver_data = AZX_DRIVER_PCH },
        /* PBG */
        { PCI_DEVICE(0x8086, 0x1d20), .driver_data = AZX_DRIVER_PCH },
        /* SCH */
        { PCI_DEVICE(0x8086, 0x811b), .driver_data = AZX_DRIVER_SCH },
+       /* Generic Intel */
+       { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_ANY_ID),
+         .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
+         .class_mask = 0xffffff,
+         .driver_data = AZX_DRIVER_ICH },
        /* ATI SB 450/600 */
        { PCI_DEVICE(0x1002, 0x437b), .driver_data = AZX_DRIVER_ATI },
        { PCI_DEVICE(0x1002, 0x4383), .driver_data = AZX_DRIVER_ATI },
@@ -2794,11 +2798,13 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
        { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_ANY_ID),
          .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
          .class_mask = 0xffffff,
-         .driver_data = AZX_DRIVER_GENERIC },
+         .driver_data = AZX_DRIVER_CTX },
 #else
        /* this entry seems still valid -- i.e. without emu20kx chip */
-       { PCI_DEVICE(0x1102, 0x0009), .driver_data = AZX_DRIVER_GENERIC },
+       { PCI_DEVICE(0x1102, 0x0009), .driver_data = AZX_DRIVER_CTX },
 #endif
+       /* Vortex86MX */
+       { PCI_DEVICE(0x17f3, 0x3010), .driver_data = AZX_DRIVER_GENERIC },
        /* AMD/ATI Generic, PCI class code and Vendor ID for HD Audio */
        { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID),
          .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,