diff options
Diffstat (limited to 'sound/pci/hda/hda_intel.c')
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 369 |
1 files changed, 290 insertions, 79 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 83cd19017cf3..387fc73a5c89 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) @@ -593,10 +772,16 @@ static int azx_suspend(struct device *dev) { struct pci_dev *pci = to_pci_dev(dev); struct snd_card *card = dev_get_drvdata(dev); - struct azx *chip = card->private_data; + struct azx *chip; + struct hda_intel *hda; struct azx_pcm *p; - if (chip->disabled || chip->init_failed) + if (!card) + return 0; + + chip = card->private_data; + hda = container_of(chip, struct hda_intel, chip); + if (chip->disabled || hda->init_failed) return 0; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); @@ -626,9 +811,15 @@ static int azx_resume(struct device *dev) { struct pci_dev *pci = to_pci_dev(dev); struct snd_card *card = dev_get_drvdata(dev); - struct azx *chip = card->private_data; + struct azx *chip; + struct hda_intel *hda; - if (chip->disabled || chip->init_failed) + if (!card) + return 0; + + chip = card->private_data; + hda = container_of(chip, struct hda_intel, chip); + if (chip->disabled || hda->init_failed) return 0; if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) { @@ -663,9 +854,15 @@ static int azx_resume(struct device *dev) static int azx_runtime_suspend(struct device *dev) { struct snd_card *card = dev_get_drvdata(dev); - struct azx *chip = card->private_data; + struct azx *chip; + struct hda_intel *hda; + + if (!card) + return 0; - if (chip->disabled || chip->init_failed) + chip = card->private_data; + hda = container_of(chip, struct hda_intel, chip); + if (chip->disabled || hda->init_failed) return 0; if (!(chip->driver_caps & AZX_DCAPS_PM_RUNTIME)) @@ -687,12 +884,18 @@ static int azx_runtime_suspend(struct device *dev) static int azx_runtime_resume(struct device *dev) { struct snd_card *card = dev_get_drvdata(dev); - struct azx *chip = card->private_data; + struct azx *chip; + struct hda_intel *hda; struct hda_bus *bus; struct hda_codec *codec; int status; - if (chip->disabled || chip->init_failed) + if (!card) + return 0; + + chip = card->private_data; + hda = container_of(chip, struct hda_intel, chip); + if (chip->disabled || hda->init_failed) return 0; if (!(chip->driver_caps & AZX_DCAPS_PM_RUNTIME)) @@ -727,9 +930,15 @@ static int azx_runtime_resume(struct device *dev) static int azx_runtime_idle(struct device *dev) { struct snd_card *card = dev_get_drvdata(dev); - struct azx *chip = card->private_data; + struct azx *chip; + struct hda_intel *hda; + + if (!card) + return 0; - if (chip->disabled || chip->init_failed) + chip = card->private_data; + hda = container_of(chip, struct hda_intel, chip); + if (chip->disabled || hda->init_failed) return 0; if (!power_save_controller || @@ -753,29 +962,6 @@ 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 +972,11 @@ 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 +990,7 @@ 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 +1020,10 @@ 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 +1035,12 @@ 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 +1052,10 @@ 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 +1065,11 @@ 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 +1085,6 @@ 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 +1095,13 @@ 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 +1237,30 @@ 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 +1386,8 @@ 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 +1430,13 @@ 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 +1465,7 @@ 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 +1523,7 @@ 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 +1531,7 @@ 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 +1547,7 @@ 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 +1791,7 @@ 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 +1815,7 @@ 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 +1852,11 @@ 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 +1872,7 @@ 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 +1946,13 @@ 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; } |