1 files changed, 53 insertions, 48 deletions

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 34940a079051..21aa9b0e28f6 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -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;
@@ -2313,19 +2324,10 @@ 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 +2336,15 @@ 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 +2746,17 @@ 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 +2797,13 @@ 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,