Attachment 49026 Details for Bug 115253

[patch] Equivalent patch to SUSE kernel tree

alsa-hda-intel-fix.diff (text/plain), 8.28 KB, created by Takashi Iwai on 2005-09-07 09:40:04 UTC

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Creator: Takashi Iwai

Created: 2005-09-07 09:40:04 UTC

Size: 8.28 KB

patch

obsolete

>--- linux/sound/pci/hda/hda_codec.h	11 Aug 2005 09:55:46 -0000	1.11
>+++ linux/sound/pci/hda/hda_codec.h	7 Sep 2005 08:40:19 -0000	1.12
>@@ -505,6 +505,7 @@
> struct hda_pcm {
> 	char *name;
> 	struct hda_pcm_stream stream[2];
>+	unsigned int is_modem;	/* modem codec? */
> };
> 
> /* codec information */
>--- linux/sound/pci/hda/hda_intel.c	24 Aug 2005 13:09:36 -0000	1.21
>+++ linux/sound/pci/hda/hda_intel.c	7 Sep 2005 08:40:19 -0000	1.23
>@@ -62,7 +62,7 @@
> 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 = FIFO size, 1 = none, 2 = POSBUF).");
>+MODULE_PARM_DESC(position_fix, "Fix DMA pointer (0 = auto, 1 = none, 2 = POSBUF, 3 = FIFO size).");
> 
> MODULE_LICENSE("GPL");
> MODULE_SUPPORTED_DEVICE("{{Intel, ICH6},"
>@@ -164,7 +164,9 @@
> /* max buffer size - no h/w limit, you can increase as you like */
> #define AZX_MAX_BUF_SIZE	(1024*1024*1024)
> /* max number of PCM devics per card */
>-#define AZX_MAX_PCMS		8
>+#define AZX_MAX_AUDIO_PCMS	6
>+#define AZX_MAX_MODEM_PCMS	2
>+#define AZX_MAX_PCMS		(AZX_MAX_AUDIO_PCMS + AZX_MAX_MODEM_PCMS)
> 
> /* RIRB int mask: overrun[2], response[0] */
> #define RIRB_INT_RESPONSE	0x01
>@@ -211,9 +213,10 @@
> 
> /* position fix mode */
> enum {
>-	POS_FIX_FIFO,
>+	POS_FIX_AUTO,
> 	POS_FIX_NONE,
>-	POS_FIX_POSBUF
>+	POS_FIX_POSBUF,
>+	POS_FIX_FIFO,
> };
> 
> /* Defines for ATI HD Audio support in SB450 south bridge */
>@@ -243,6 +246,7 @@
> 	unsigned int fragsize;		/* size of each period in bytes */
> 	unsigned int frags;		/* number for period in the play buffer */
> 	unsigned int fifo_size;		/* FIFO size */
>+	unsigned int last_pos;		/* last updated period position */
> 
> 	void __iomem *sd_addr;		/* stream descriptor pointer */
> 
>@@ -256,6 +260,7 @@
> 
> 	unsigned int opened: 1;
> 	unsigned int running: 1;
>+	unsigned int period_updating: 1;
> };
> 
> /* CORB/RIRB */
>@@ -724,11 +729,9 @@
> 	/* initialize the codec command I/O */
> 	azx_init_cmd_io(chip);
> 
>-	if (chip->position_fix == POS_FIX_POSBUF) {
>-		/* program the position buffer */
>-		azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr);
>-		azx_writel(chip, DPUBASE, upper_32bit(chip->posbuf.addr));
>-	}
>+	/* program the position buffer */
>+	azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr);
>+	azx_writel(chip, DPUBASE, upper_32bit(chip->posbuf.addr));
> 
> 	/* For ATI SB450 azalia HD audio, we need to enable snoop */
> 	if (chip->driver_type == AZX_DRIVER_ATI) {
>@@ -763,9 +766,11 @@
> 		if (status & azx_dev->sd_int_sta_mask) {
> 			azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
> 			if (azx_dev->substream && azx_dev->running) {
>+				azx_dev->period_updating = 1;
> 				spin_unlock(&chip->reg_lock);
> 				snd_pcm_period_elapsed(azx_dev->substream);
> 				spin_lock(&chip->reg_lock);
>+				azx_dev->period_updating = 0;
> 			}
> 		}
> 	}
>@@ -866,11 +871,9 @@
> 	/* upper BDL address */
> 	azx_sd_writel(azx_dev, SD_BDLPU, upper_32bit(azx_dev->bdl_addr));
> 
>-	if (chip->position_fix == POS_FIX_POSBUF) {
>-		/* enable the position buffer */
>-		if (! (azx_readl(chip, DPLBASE) & ICH6_DPLBASE_ENABLE))
>-			azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr | ICH6_DPLBASE_ENABLE);
>-	}
>+	/* enable the position buffer */
>+	if (! (azx_readl(chip, DPLBASE) & ICH6_DPLBASE_ENABLE))
>+		azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr | ICH6_DPLBASE_ENABLE);
> 
> 	/* set the interrupt enable bits in the descriptor control register */
> 	azx_sd_writel(azx_dev, SD_CTL, azx_sd_readl(azx_dev, SD_CTL) | SD_INT_MASK);
>@@ -1078,6 +1081,7 @@
> 		azx_dev->fifo_size = azx_sd_readw(azx_dev, SD_FIFOSIZE) + 1;
> 	else
> 		azx_dev->fifo_size = 0;
>+	azx_dev->last_pos = 0;
> 
> 	return hinfo->ops.prepare(hinfo, apcm->codec, azx_dev->stream_tag,
> 				  azx_dev->format_val, substream);
>@@ -1133,6 +1137,26 @@
> 		pos = azx_sd_readl(azx_dev, SD_LPIB);
> 		if (chip->position_fix == POS_FIX_FIFO)
> 			pos += azx_dev->fifo_size;
>+		else if (chip->position_fix == POS_FIX_AUTO && azx_dev->period_updating) {
>+			/* check the validity of DMA position */
>+			unsigned int diff = 0;
>+			azx_dev->last_pos += azx_dev->fragsize;
>+			if (azx_dev->last_pos > pos)
>+				diff = azx_dev->last_pos - pos;
>+			if (azx_dev->last_pos >= azx_dev->bufsize) {
>+				if (pos < azx_dev->fragsize)
>+					diff = 0;
>+				azx_dev->last_pos = 0;
>+			}
>+			if (diff > 0 && diff <= azx_dev->fifo_size)
>+				pos += azx_dev->fifo_size;
>+			else {
>+				snd_printdd(KERN_INFO "hda_intel: DMA position fix %d, switching to posbuf\n", diff);
>+				chip->position_fix = POS_FIX_POSBUF;
>+				pos = *azx_dev->posbuf;
>+			}
>+			azx_dev->period_updating = 0;
>+		}
> 	}
> 	if (pos >= azx_dev->bufsize)
> 		pos = 0;
>@@ -1203,12 +1227,33 @@
> 	if ((err = snd_hda_build_pcms(chip->bus)) < 0)
> 		return err;
> 
>+	/* create audio PCMs */
> 	pcm_dev = 0;
> 	list_for_each(p, &chip->bus->codec_list) {
> 		codec = list_entry(p, struct hda_codec, list);
> 		for (c = 0; c < codec->num_pcms; c++) {
>-			if (pcm_dev >= AZX_MAX_PCMS) {
>-				snd_printk(KERN_ERR SFX "Too many PCMs\n");
>+			if (codec->pcm_info[c].is_modem)
>+				continue; /* create later */
>+			if (pcm_dev >= AZX_MAX_AUDIO_PCMS) {
>+				snd_printk(KERN_ERR SFX "Too many audio PCMs\n");
>+				return -EINVAL;
>+			}
>+			err = create_codec_pcm(chip, codec, &codec->pcm_info[c], pcm_dev);
>+			if (err < 0)
>+				return err;
>+			pcm_dev++;
>+		}
>+	}
>+
>+	/* create modem PCMs */
>+	pcm_dev = AZX_MAX_AUDIO_PCMS;
>+	list_for_each(p, &chip->bus->codec_list) {
>+		codec = list_entry(p, struct hda_codec, list);
>+		for (c = 0; c < codec->num_pcms; c++) {
>+			if (! codec->pcm_info[c].is_modem)
>+				continue; /* already created */
>+			if (pcm_dev >= AZX_MAX_MODEM_PCMS) {
>+				snd_printk(KERN_ERR SFX "Too many modem PCMs\n");
> 				return -EINVAL;
> 			}
> 			err = create_codec_pcm(chip, codec, &codec->pcm_info[c], pcm_dev);
>@@ -1244,8 +1289,7 @@
> 		azx_dev_t *azx_dev = &chip->azx_dev[i];
> 		azx_dev->bdl = (u32 *)(chip->bdl.area + off);
> 		azx_dev->bdl_addr = chip->bdl.addr + off;
>-		if (chip->position_fix == POS_FIX_POSBUF)
>-			azx_dev->posbuf = (volatile u32 *)(chip->posbuf.area + i * 8);
>+		azx_dev->posbuf = (volatile u32 *)(chip->posbuf.area + i * 8);
> 		/* offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */
> 		azx_dev->sd_addr = chip->remap_addr + (0x20 * i + 0x80);
> 		/* int mask: SDI0=0x01, SDI1=0x02, ... SDO3=0x80 */
>@@ -1437,13 +1481,11 @@
> 		snd_printk(KERN_ERR SFX "cannot allocate BDL\n");
> 		goto errout;
> 	}
>-	if (chip->position_fix == POS_FIX_POSBUF) {
>-		/* allocate memory for the position buffer */
>-		if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
>-					       chip->num_streams * 8, &chip->posbuf)) < 0) {
>-			snd_printk(KERN_ERR SFX "cannot allocate posbuf\n");
>-			goto errout;
>-		}
>+	/* allocate memory for the position buffer */
>+	if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
>+				       chip->num_streams * 8, &chip->posbuf)) < 0) {
>+		snd_printk(KERN_ERR SFX "cannot allocate posbuf\n");
>+		goto errout;
> 	}
> 	/* allocate CORB/RIRB */
> 	if ((err = azx_alloc_cmd_io(chip)) < 0)
>--- linux/sound/pci/hda/hda_proc.c	10 Jun 2005 17:08:38 -0000	1.4
>+++ linux/sound/pci/hda/hda_proc.c	7 Sep 2005 08:40:19 -0000	1.5
>@@ -207,6 +207,8 @@
> 	snd_iprintf(buffer, "Vendor Id: 0x%x\n", codec->vendor_id);
> 	snd_iprintf(buffer, "Subsystem Id: 0x%x\n", codec->subsystem_id);
> 	snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
>+	if (! codec->afg)
>+		return;
> 	snd_iprintf(buffer, "Default PCM: ");
> 	print_pcm_caps(buffer, codec, codec->afg);
> 	snd_iprintf(buffer, "Default Amp-In caps: ");
>--- linux/sound/pci/hda/patch_realtek.c	23 Aug 2005 19:01:12 -0000	1.28
>+++ linux/sound/pci/hda/patch_realtek.c	5 Sep 2005 10:55:43 -0000	1.29
>@@ -1526,6 +1526,7 @@
> 	/* Back 3 jack, front 2 jack (Internal add Aux-In) */
> 	{ .pci_subvendor = 0x1025, .pci_subdevice = 0xe310, .config = ALC880_3ST },
> 	{ .pci_subvendor = 0x104d, .pci_subdevice = 0x81d6, .config = ALC880_3ST }, 
>+	{ .pci_subvendor = 0x104d, .pci_subdevice = 0x81a0, .config = ALC880_3ST },
> 
> 	/* Back 3 jack plus 1 SPDIF out jack, front 2 jack */
> 	{ .modelname = "3stack-digout", .config = ALC880_3ST_DIG },
>--- linux/sound/pci/hda/patch_si3054.c	11 Aug 2005 10:09:37 -0000	1.1
>+++ linux/sound/pci/hda/patch_si3054.c	7 Sep 2005 08:40:19 -0000	1.2
>@@ -214,6 +214,7 @@
> 	info->name = "Si3054 Modem";
> 	info->stream[SNDRV_PCM_STREAM_PLAYBACK] = si3054_pcm;
> 	info->stream[SNDRV_PCM_STREAM_CAPTURE]  = si3054_pcm;
>+	info->is_modem = 1;
> 	return 0;
> }
>

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Attachments on bug 115253: 48969 | 49025 | 49026 | 49056 | 50720 | 50820