1 files changed, 250 insertions, 69 deletions

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index b6b4e71a0b0b..75b52c4cd70d 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -44,7 +44,6 @@
 #include <linux/slab.h>
 #include <linux/pci.h>
 #include <linux/mutex.h>
-#include <linux/reboot.h>
 #include <linux/io.h>
 #include <linux/pm_runtime.h>
 #include <linux/clocksource.h>
@@ -66,6 +65,52 @@
 #include "hda_priv.h"
 #include "hda_i915.h"
 
+/* position fix mode */
+enum {
+	POS_FIX_AUTO,
+	POS_FIX_LPIB,
+	POS_FIX_POSBUF,
+	POS_FIX_VIACOMBO,
+	POS_FIX_COMBO,
+};
+
+/* Defines for ATI HD Audio support in SB450 south bridge */
+#define ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR   0x42
+#define ATI_SB450_HDAUDIO_ENABLE_SNOOP      0x02
+
+/* Defines for Nvidia HDA support */
+#define NVIDIA_HDA_TRANSREG_ADDR      0x4e
+#define NVIDIA_HDA_ENABLE_COHBITS     0x0f
+#define NVIDIA_HDA_ISTRM_COH          0x4d
+#define NVIDIA_HDA_OSTRM_COH          0x4c
+#define NVIDIA_HDA_ENABLE_COHBIT      0x01
+
+/* Defines for Intel SCH HDA snoop control */
+#define INTEL_SCH_HDA_DEVC      0x78
+#define INTEL_SCH_HDA_DEVC_NOSNOOP       (0x1<<11)
+
+/* Define IN stream 0 FIFO size offset in VIA controller */
+#define VIA_IN_STREAM0_FIFO_SIZE_OFFSET	0x90
+/* Define VIA HD Audio Device ID*/
+#define VIA_HDAC_DEVICE_ID		0x3288
+
+/* max number of SDs */
+/* ICH, ATI and VIA have 4 playback and 4 capture */
+#define ICH6_NUM_CAPTURE	4
+#define ICH6_NUM_PLAYBACK	4
+
+/* ULI has 6 playback and 5 capture */
+#define ULI_NUM_CAPTURE		5
+#define ULI_NUM_PLAYBACK	6
+
+/* ATI HDMI may have up to 8 playbacks and 0 capture */
+#define ATIHDMI_NUM_CAPTURE	0
+#define ATIHDMI_NUM_PLAYBACK	8
+
+/* TERA has 4 playback and 3 capture */
+#define TERA_NUM_CAPTURE	3
+#define TERA_NUM_PLAYBACK	4
+
 
 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
@@ -290,8 +335,28 @@ static char *driver_short_names[] = {
 
 struct hda_intel {
 	struct azx chip;
-};
 
+	/* for pending irqs */
+	struct work_struct irq_pending_work;
+
+	/* sync probing */
+	struct completion probe_wait;
+	struct work_struct probe_work;
+
+	/* card list (for power_save trigger) */
+	struct list_head list;
+
+	/* extra flags */
+	unsigned int irq_pending_warned:1;
+
+	/* VGA-switcheroo setup */
+	unsigned int use_vga_switcheroo:1;
+	unsigned int vga_switcheroo_registered:1;
+	unsigned int init_failed:1; /* delayed init failed */
+
+	/* secondary power domain for hdmi audio under vga device */
+	struct dev_pm_domain hdmi_pm_domain;
+};
 
 #ifdef CONFIG_X86
 static void __mark_pages_wc(struct azx *chip, struct snd_dma_buffer *dmab, bool on)
@@ -373,7 +438,7 @@ static void azx_init_pci(struct azx *chip)
 	 */
 	if (!(chip->driver_caps & AZX_DCAPS_NO_TCSEL)) {
 		dev_dbg(chip->card->dev, "Clearing TCSEL\n");
-		update_pci_byte(chip->pci, ICH6_PCIREG_TCSEL, 0x07, 0);
+		update_pci_byte(chip->pci, AZX_PCIREG_TCSEL, 0x07, 0);
 	}
 
 	/* For ATI SB450/600/700/800/900 and AMD Hudson azalia HD audio,
@@ -421,11 +486,44 @@ static void azx_init_pci(struct azx *chip)
         }
 }
 
+/* calculate runtime delay from LPIB */
+static int azx_get_delay_from_lpib(struct azx *chip, struct azx_dev *azx_dev,
+				   unsigned int pos)
+{
+	struct snd_pcm_substream *substream = azx_dev->substream;
+	int stream = substream->stream;
+	unsigned int lpib_pos = azx_get_pos_lpib(chip, azx_dev);
+	int delay;
+
+	if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+		delay = pos - lpib_pos;
+	else
+		delay = lpib_pos - pos;
+	if (delay < 0) {
+		if (delay >= azx_dev->delay_negative_threshold)
+			delay = 0;
+		else
+			delay += azx_dev->bufsize;
+	}
+
+	if (delay >= azx_dev->period_bytes) {
+		dev_info(chip->card->dev,
+			 "Unstable LPIB (%d >= %d); disabling LPIB delay counting\n",
+			 delay, azx_dev->period_bytes);
+		delay = 0;
+		chip->driver_caps &= ~AZX_DCAPS_COUNT_LPIB_DELAY;
+		chip->get_delay[stream] = NULL;
+	}
+
+	return bytes_to_frames(substream->runtime, delay);
+}
+
 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev);
 
 /* called from IRQ */
 static int azx_position_check(struct azx *chip, struct azx_dev *azx_dev)
 {
+	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
 	int ok;
 
 	ok = azx_position_ok(chip, azx_dev);
@@ -435,7 +533,7 @@ static int azx_position_check(struct azx *chip, struct azx_dev *azx_dev)
 	} else if (ok == 0 && chip->bus && chip->bus->workq) {
 		/* bogus IRQ, process it later */
 		azx_dev->irq_pending = 1;
-		queue_work(chip->bus->workq, &chip->irq_pending_work);
+		queue_work(chip->bus->workq, &hda->irq_pending_work);
 	}
 	return 0;
 }
@@ -451,6 +549,8 @@ static int azx_position_check(struct azx *chip, struct azx_dev *azx_dev)
  */
 static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
 {
+	struct snd_pcm_substream *substream = azx_dev->substream;
+	int stream = substream->stream;
 	u32 wallclk;
 	unsigned int pos;
 
@@ -458,7 +558,25 @@ static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
 	if (wallclk < (azx_dev->period_wallclk * 2) / 3)
 		return -1;	/* bogus (too early) interrupt */
 
-	pos = azx_get_position(chip, azx_dev, true);
+	if (chip->get_position[stream])
+		pos = chip->get_position[stream](chip, azx_dev);
+	else { /* use the position buffer as default */
+		pos = azx_get_pos_posbuf(chip, azx_dev);
+		if (!pos || pos == (u32)-1) {
+			dev_info(chip->card->dev,
+				 "Invalid position buffer, using LPIB read method instead.\n");
+			chip->get_position[stream] = azx_get_pos_lpib;
+			pos = azx_get_pos_lpib(chip, azx_dev);
+			chip->get_delay[stream] = NULL;
+		} else {
+			chip->get_position[stream] = azx_get_pos_posbuf;
+			if (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)
+				chip->get_delay[stream] = azx_get_delay_from_lpib;
+		}
+	}
+
+	if (pos >= azx_dev->bufsize)
+		pos = 0;
 
 	if (WARN_ONCE(!azx_dev->period_bytes,
 		      "hda-intel: zero azx_dev->period_bytes"))
@@ -476,14 +594,15 @@ static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
  */
 static void azx_irq_pending_work(struct work_struct *work)
 {
-	struct azx *chip = container_of(work, struct azx, irq_pending_work);
+	struct hda_intel *hda = container_of(work, struct hda_intel, irq_pending_work);
+	struct azx *chip = &hda->chip;
 	int i, pending, ok;
 
-	if (!chip->irq_pending_warned) {
+	if (!hda->irq_pending_warned) {
 		dev_info(chip->card->dev,
 			 "IRQ timing workaround is activated for card #%d. Suggest a bigger bdl_pos_adj.\n",
 			 chip->card->number);
-		chip->irq_pending_warned = 1;
+		hda->irq_pending_warned = 1;
 	}
 
 	for (;;) {
@@ -541,27 +660,86 @@ static int azx_acquire_irq(struct azx *chip, int do_disconnect)
 	return 0;
 }
 
+/* get the current DMA position with correction on VIA chips */
+static unsigned int azx_via_get_position(struct azx *chip,
+					 struct azx_dev *azx_dev)
+{
+	unsigned int link_pos, mini_pos, bound_pos;
+	unsigned int mod_link_pos, mod_dma_pos, mod_mini_pos;
+	unsigned int fifo_size;
+
+	link_pos = azx_sd_readl(chip, azx_dev, SD_LPIB);
+	if (azx_dev->substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+		/* Playback, no problem using link position */
+		return link_pos;
+	}
+
+	/* Capture */
+	/* For new chipset,
+	 * use mod to get the DMA position just like old chipset
+	 */
+	mod_dma_pos = le32_to_cpu(*azx_dev->posbuf);
+	mod_dma_pos %= azx_dev->period_bytes;
+
+	/* azx_dev->fifo_size can't get FIFO size of in stream.
+	 * Get from base address + offset.
+	 */
+	fifo_size = readw(chip->remap_addr + VIA_IN_STREAM0_FIFO_SIZE_OFFSET);
+
+	if (azx_dev->insufficient) {
+		/* Link position never gather than FIFO size */
+		if (link_pos <= fifo_size)
+			return 0;
+
+		azx_dev->insufficient = 0;
+	}
+
+	if (link_pos <= fifo_size)
+		mini_pos = azx_dev->bufsize + link_pos - fifo_size;
+	else
+		mini_pos = link_pos - fifo_size;
+
+	/* Find nearest previous boudary */
+	mod_mini_pos = mini_pos % azx_dev->period_bytes;
+	mod_link_pos = link_pos % azx_dev->period_bytes;
+	if (mod_link_pos >= fifo_size)
+		bound_pos = link_pos - mod_link_pos;
+	else if (mod_dma_pos >= mod_mini_pos)
+		bound_pos = mini_pos - mod_mini_pos;
+	else {
+		bound_pos = mini_pos - mod_mini_pos + azx_dev->period_bytes;
+		if (bound_pos >= azx_dev->bufsize)
+			bound_pos = 0;
+	}
+
+	/* Calculate real DMA position we want */
+	return bound_pos + mod_dma_pos;
+}
+
 #ifdef CONFIG_PM
 static DEFINE_MUTEX(card_list_lock);
 static LIST_HEAD(card_list);
 
 static void azx_add_card_list(struct azx *chip)
 {
+	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
 	mutex_lock(&card_list_lock);
-	list_add(&chip->list, &card_list);
+	list_add(&hda->list, &card_list);
 	mutex_unlock(&card_list_lock);
 }
 
 static void azx_del_card_list(struct azx *chip)
 {
+	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
 	mutex_lock(&card_list_lock);
-	list_del_init(&chip->list);
+	list_del_init(&hda->list);
 	mutex_unlock(&card_list_lock);
 }
 
 /* trigger power-save check at writing parameter */
 static int param_set_xint(const char *val, const struct kernel_param *kp)
 {
+	struct hda_intel *hda;
 	struct azx *chip;
 	struct hda_codec *c;
 	int prev = power_save;
@@ -571,7 +749,8 @@ static int param_set_xint(const char *val, const struct kernel_param *kp)
 		return ret;
 
 	mutex_lock(&card_list_lock);
-	list_for_each_entry(chip, &card_list, list) {
+	list_for_each_entry(hda, &card_list, list) {
+		chip = &hda->chip;
 		if (!chip->bus || chip->disabled)
 			continue;
 		list_for_each_entry(c, &chip->bus->codec_list, list)
@@ -753,29 +932,6 @@ static const struct dev_pm_ops azx_pm = {
 #endif /* CONFIG_PM */
 
 
-/*
- * reboot notifier for hang-up problem at power-down
- */
-static int azx_halt(struct notifier_block *nb, unsigned long event, void *buf)
-{
-	struct azx *chip = container_of(nb, struct azx, reboot_notifier);
-	snd_hda_bus_reboot_notify(chip->bus);
-	azx_stop_chip(chip);
-	return NOTIFY_OK;
-}
-
-static void azx_notifier_register(struct azx *chip)
-{
-	chip->reboot_notifier.notifier_call = azx_halt;
-	register_reboot_notifier(&chip->reboot_notifier);
-}
-
-static void azx_notifier_unregister(struct azx *chip)
-{
-	if (chip->reboot_notifier.notifier_call)
-		unregister_reboot_notifier(&chip->reboot_notifier);
-}
-
 static int azx_probe_continue(struct azx *chip);
 
 #ifdef SUPPORT_VGA_SWITCHEROO
@@ -786,10 +942,11 @@ static void azx_vs_set_state(struct pci_dev *pci,
 {
 	struct snd_card *card = pci_get_drvdata(pci);
 	struct azx *chip = card->private_data;
+	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
 	bool disabled;
 
-	wait_for_completion(&chip->probe_wait);
-	if (chip->init_failed)
+	wait_for_completion(&hda->probe_wait);
+	if (hda->init_failed)
 		return;
 
 	disabled = (state == VGA_SWITCHEROO_OFF);
@@ -803,7 +960,7 @@ static void azx_vs_set_state(struct pci_dev *pci,
 				 "Start delayed initialization\n");
 			if (azx_probe_continue(chip) < 0) {
 				dev_err(chip->card->dev, "initialization error\n");
-				chip->init_failed = true;
+				hda->init_failed = true;
 			}
 		}
 	} else {
@@ -833,9 +990,10 @@ static bool azx_vs_can_switch(struct pci_dev *pci)
 {
 	struct snd_card *card = pci_get_drvdata(pci);
 	struct azx *chip = card->private_data;
+	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
 
-	wait_for_completion(&chip->probe_wait);
-	if (chip->init_failed)
+	wait_for_completion(&hda->probe_wait);
+	if (hda->init_failed)
 		return false;
 	if (chip->disabled || !chip->bus)
 		return true;
@@ -847,11 +1005,12 @@ static bool azx_vs_can_switch(struct pci_dev *pci)
 
 static void init_vga_switcheroo(struct azx *chip)
 {
+	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
 	struct pci_dev *p = get_bound_vga(chip->pci);
 	if (p) {
 		dev_info(chip->card->dev,
 			 "Handle VGA-switcheroo audio client\n");
-		chip->use_vga_switcheroo = 1;
+		hda->use_vga_switcheroo = 1;
 		pci_dev_put(p);
 	}
 }
@@ -863,9 +1022,10 @@ static const struct vga_switcheroo_client_ops azx_vs_ops = {
 
 static int register_vga_switcheroo(struct azx *chip)
 {
+	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
 	int err;
 
-	if (!chip->use_vga_switcheroo)
+	if (!hda->use_vga_switcheroo)
 		return 0;
 	/* FIXME: currently only handling DIS controller
 	 * is there any machine with two switchable HDMI audio controllers?
@@ -875,11 +1035,11 @@ static int register_vga_switcheroo(struct azx *chip)
 						    chip->bus != NULL);
 	if (err < 0)
 		return err;
-	chip->vga_switcheroo_registered = 1;
+	hda->vga_switcheroo_registered = 1;
 
 	/* register as an optimus hdmi audio power domain */
 	vga_switcheroo_init_domain_pm_optimus_hdmi_audio(chip->card->dev,
-							 &chip->hdmi_pm_domain);
+							 &hda->hdmi_pm_domain);
 	return 0;
 }
 #else
@@ -895,7 +1055,6 @@ static int azx_free(struct azx *chip)
 {
 	struct pci_dev *pci = chip->pci;
 	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
-
 	int i;
 
 	if ((chip->driver_caps & AZX_DCAPS_PM_RUNTIME)
@@ -906,13 +1065,13 @@ static int azx_free(struct azx *chip)
 
 	azx_notifier_unregister(chip);
 
-	chip->init_failed = 1; /* to be sure */
-	complete_all(&chip->probe_wait);
+	hda->init_failed = 1; /* to be sure */
+	complete_all(&hda->probe_wait);
 
-	if (use_vga_switcheroo(chip)) {
+	if (use_vga_switcheroo(hda)) {
 		if (chip->disabled && chip->bus)
 			snd_hda_unlock_devices(chip->bus);
-		if (chip->vga_switcheroo_registered)
+		if (hda->vga_switcheroo_registered)
 			vga_switcheroo_unregister_client(chip->pci);
 	}
 
@@ -1048,6 +1207,30 @@ static int check_position_fix(struct azx *chip, int fix)
 	return POS_FIX_AUTO;
 }
 
+static void assign_position_fix(struct azx *chip, int fix)
+{
+	static azx_get_pos_callback_t callbacks[] = {
+		[POS_FIX_AUTO] = NULL,
+		[POS_FIX_LPIB] = azx_get_pos_lpib,
+		[POS_FIX_POSBUF] = azx_get_pos_posbuf,
+		[POS_FIX_VIACOMBO] = azx_via_get_position,
+		[POS_FIX_COMBO] = azx_get_pos_lpib,
+	};
+
+	chip->get_position[0] = chip->get_position[1] = callbacks[fix];
+
+	/* combo mode uses LPIB only for playback */
+	if (fix == POS_FIX_COMBO)
+		chip->get_position[1] = NULL;
+
+	if (fix == POS_FIX_POSBUF &&
+	    (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)) {
+		chip->get_delay[0] = chip->get_delay[1] =
+			azx_get_delay_from_lpib;
+	}
+
+}
+
 /*
  * black-lists for probe_mask
  */
@@ -1173,7 +1356,8 @@ static void azx_check_snoop_available(struct azx *chip)
 
 static void azx_probe_work(struct work_struct *work)
 {
-	azx_probe_continue(container_of(work, struct azx, probe_work));
+	struct hda_intel *hda = container_of(work, struct hda_intel, probe_work);
+	azx_probe_continue(&hda->chip);
 }
 
 /*
@@ -1216,19 +1400,13 @@ static int azx_create(struct snd_card *card, struct pci_dev *pci,
 	check_msi(chip);
 	chip->dev_index = dev;
 	chip->jackpoll_ms = jackpoll_ms;
-	INIT_WORK(&chip->irq_pending_work, azx_irq_pending_work);
 	INIT_LIST_HEAD(&chip->pcm_list);
-	INIT_LIST_HEAD(&chip->list);
+	INIT_WORK(&hda->irq_pending_work, azx_irq_pending_work);
+	INIT_LIST_HEAD(&hda->list);
 	init_vga_switcheroo(chip);
-	init_completion(&chip->probe_wait);
-
-	chip->position_fix[0] = chip->position_fix[1] =
-		check_position_fix(chip, position_fix[dev]);
-	/* combo mode uses LPIB for playback */
-	if (chip->position_fix[0] == POS_FIX_COMBO) {
-		chip->position_fix[0] = POS_FIX_LPIB;
-		chip->position_fix[1] = POS_FIX_AUTO;
-	}
+	init_completion(&hda->probe_wait);
+
+	assign_position_fix(chip, check_position_fix(chip, position_fix[dev]));
 
 	check_probe_mask(chip, dev);
 
@@ -1257,7 +1435,7 @@ static int azx_create(struct snd_card *card, struct pci_dev *pci,
 	}
 
 	/* continue probing in work context as may trigger request module */
-	INIT_WORK(&chip->probe_work, azx_probe_work);
+	INIT_WORK(&hda->probe_work, azx_probe_work);
 
 	*rchip = chip;
 
@@ -1315,7 +1493,7 @@ static int azx_first_init(struct azx *chip)
 					 NULL);
 		if (p_smbus) {
 			if (p_smbus->revision < 0x30)
-				gcap &= ~ICH6_GCAP_64OK;
+				gcap &= ~AZX_GCAP_64OK;
 			pci_dev_put(p_smbus);
 		}
 	}
@@ -1323,7 +1501,7 @@ static int azx_first_init(struct azx *chip)
 	/* disable 64bit DMA address on some devices */
 	if (chip->driver_caps & AZX_DCAPS_NO_64BIT) {
 		dev_dbg(card->dev, "Disabling 64bit DMA\n");
-		gcap &= ~ICH6_GCAP_64OK;
+		gcap &= ~AZX_GCAP_64OK;
 	}
 
 	/* disable buffer size rounding to 128-byte multiples if supported */
@@ -1339,7 +1517,7 @@ static int azx_first_init(struct azx *chip)
 	}
 
 	/* allow 64bit DMA address if supported by H/W */
-	if ((gcap & ICH6_GCAP_64OK) && !pci_set_dma_mask(pci, DMA_BIT_MASK(64)))
+	if ((gcap & AZX_GCAP_64OK) && !pci_set_dma_mask(pci, DMA_BIT_MASK(64)))
 		pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(64));
 	else {
 		pci_set_dma_mask(pci, DMA_BIT_MASK(32));
@@ -1583,6 +1761,7 @@ static int azx_probe(struct pci_dev *pci,
 {
 	static int dev;
 	struct snd_card *card;
+	struct hda_intel *hda;
 	struct azx *chip;
 	bool schedule_probe;
 	int err;
@@ -1606,6 +1785,7 @@ static int azx_probe(struct pci_dev *pci,
 	if (err < 0)
 		goto out_free;
 	card->private_data = chip;
+	hda = container_of(chip, struct hda_intel, chip);
 
 	pci_set_drvdata(pci, card);
 
@@ -1642,11 +1822,11 @@ static int azx_probe(struct pci_dev *pci,
 #endif
 
 	if (schedule_probe)
-		schedule_work(&chip->probe_work);
+		schedule_work(&hda->probe_work);
 
 	dev++;
 	if (chip->disabled)
-		complete_all(&chip->probe_wait);
+		complete_all(&hda->probe_wait);
 	return 0;
 
 out_free:
@@ -1662,6 +1842,7 @@ static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] = {
 
 static int azx_probe_continue(struct azx *chip)
 {
+	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
 	struct pci_dev *pci = chip->pci;
 	int dev = chip->dev_index;
 	int err;
@@ -1735,13 +1916,13 @@ static int azx_probe_continue(struct azx *chip)
 	power_down_all_codecs(chip);
 	azx_notifier_register(chip);
 	azx_add_card_list(chip);
-	if ((chip->driver_caps & AZX_DCAPS_PM_RUNTIME) || chip->use_vga_switcheroo)
+	if ((chip->driver_caps & AZX_DCAPS_PM_RUNTIME) || hda->use_vga_switcheroo)
 		pm_runtime_put_noidle(&pci->dev);
 
 out_free:
 	if (err < 0)
-		chip->init_failed = 1;
-	complete_all(&chip->probe_wait);
+		hda->init_failed = 1;
+	complete_all(&hda->probe_wait);
 	return err;
 }