diff options
Diffstat (limited to 'sound/pci/hda/hda_intel.c')
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 56 |
1 files changed, 30 insertions, 26 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 956871d8b3d2..fa2879a21a50 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -297,9 +297,9 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 }; #define ULI_NUM_CAPTURE 5 #define ULI_NUM_PLAYBACK 6 -/* ATI HDMI has 1 playback and 0 capture */ +/* ATI HDMI may have up to 8 playbacks and 0 capture */ #define ATIHDMI_NUM_CAPTURE 0 -#define ATIHDMI_NUM_PLAYBACK 1 +#define ATIHDMI_NUM_PLAYBACK 8 /* TERA has 4 playback and 3 capture */ #define TERA_NUM_CAPTURE 3 @@ -431,6 +431,8 @@ struct azx_dev { struct timecounter azx_tc; struct cyclecounter azx_cc; + int delay_negative_threshold; + #ifdef CONFIG_SND_HDA_DSP_LOADER struct mutex dsp_mutex; #endif @@ -543,9 +545,7 @@ struct azx { /* for pending irqs */ struct work_struct irq_pending_work; -#ifdef CONFIG_SND_HDA_I915 struct work_struct probe_work; -#endif /* reboot notifier (for mysterious hangup problem at power-down) */ struct notifier_block reboot_notifier; @@ -2197,6 +2197,15 @@ static int azx_pcm_prepare(struct snd_pcm_substream *substream) goto unlock; } + /* when LPIB delay correction gives a small negative value, + * we ignore it; currently set the threshold statically to + * 64 frames + */ + if (runtime->period_size > 64) + azx_dev->delay_negative_threshold = -frames_to_bytes(runtime, 64); + else + azx_dev->delay_negative_threshold = 0; + /* wallclk has 24Mhz clock source */ azx_dev->period_wallclk = (((runtime->period_size * 24000) / runtime->rate) * 1000); @@ -2449,8 +2458,12 @@ static unsigned int azx_get_position(struct azx *chip, delay = pos - lpib_pos; else delay = lpib_pos - pos; - if (delay < 0) - delay += azx_dev->bufsize; + if (delay < 0) { + if (delay >= azx_dev->delay_negative_threshold) + delay = 0; + else + delay += azx_dev->bufsize; + } if (delay >= azx_dev->period_bytes) { snd_printk(KERN_WARNING SFX "%s: Unstable LPIB (%d >= %d); " @@ -3504,12 +3517,10 @@ static void azx_check_snoop_available(struct azx *chip) } } -#ifdef CONFIG_SND_HDA_I915 static void azx_probe_work(struct work_struct *work) { azx_probe_continue(container_of(work, struct azx, probe_work)); } -#endif /* * constructor @@ -3586,10 +3597,8 @@ static int azx_create(struct snd_card *card, struct pci_dev *pci, return err; } -#ifdef CONFIG_SND_HDA_I915 /* continue probing in work context as may trigger request module */ INIT_WORK(&chip->probe_work, azx_probe_work); -#endif *rchip = chip; @@ -3809,7 +3818,7 @@ static int azx_probe(struct pci_dev *pci, static int dev; struct snd_card *card; struct azx *chip; - bool probe_now; + bool schedule_probe; int err; if (dev >= SNDRV_CARDS) @@ -3848,7 +3857,7 @@ static int azx_probe(struct pci_dev *pci, chip->disabled = true; } - probe_now = !chip->disabled; + schedule_probe = !chip->disabled; #ifdef CONFIG_SND_HDA_PATCH_LOADER if (patch[dev] && *patch[dev]) { @@ -3859,25 +3868,17 @@ static int azx_probe(struct pci_dev *pci, azx_firmware_cb); if (err < 0) goto out_free; - probe_now = false; /* continued in azx_firmware_cb() */ + schedule_probe = false; /* continued in azx_firmware_cb() */ } #endif /* CONFIG_SND_HDA_PATCH_LOADER */ - /* continue probing in work context, avoid request_module deadlock */ - if (probe_now && (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)) { -#ifdef CONFIG_SND_HDA_I915 - probe_now = false; - schedule_work(&chip->probe_work); -#else +#ifndef CONFIG_SND_HDA_I915 + if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) snd_printk(KERN_ERR SFX "Haswell must build in CONFIG_SND_HDA_I915\n"); #endif - } - if (probe_now) { - err = azx_probe_continue(chip); - if (err < 0) - goto out_free; - } + if (schedule_probe) + schedule_work(&chip->probe_work); dev++; if (chip->disabled) @@ -3983,7 +3984,7 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = { .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM }, /* Panther Point */ { PCI_DEVICE(0x8086, 0x1e20), - .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM }, + .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, /* Lynx Point */ { PCI_DEVICE(0x8086, 0x8c20), .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, @@ -4008,6 +4009,9 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = { .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL }, { PCI_DEVICE(0x8086, 0x0d0c), .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL }, + /* Broadwell */ + { PCI_DEVICE(0x8086, 0x160c), + .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL }, /* 5 Series/3400 */ { PCI_DEVICE(0x8086, 0x3b56), .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM }, |