// SPDX-License-Identifier: GPL-2.0-or-later /* * * hda_intel.c - Implementation of primary alsa driver code base * for Intel HD Audio. * * Copyright(c) 2004 Intel Corporation. All rights reserved. * * Copyright (c) 2004 Takashi Iwai * PeiSen Hou * * CONTACTS: * * Matt Jared matt.jared@intel.com * Andy Kopp andy.kopp@intel.com * Dan Kogan dan.d.kogan@intel.com * * CHANGES: * * 2004.12.01 Major rewrite by tiwai, merged the work of pshou */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef CONFIG_X86 /* for snoop control */ #include #include #include #endif #include #include #include #include #include #include #include #include #include "hda_controller.h" #include "hda_intel.h" #define CREATE_TRACE_POINTS #include "hda_intel_trace.h" /* position fix mode */ enum { POS_FIX_AUTO, POS_FIX_LPIB, POS_FIX_POSBUF, POS_FIX_VIACOMBO, POS_FIX_COMBO, POS_FIX_SKL, }; /* 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_HDA_CGCTL 0x48 #define INTEL_HDA_CGCTL_MISCBDCGE (0x1 << 6) #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; static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; static char *model[SNDRV_CARDS]; static int position_fix[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1}; static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1}; static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1}; static int probe_only[SNDRV_CARDS]; static int jackpoll_ms[SNDRV_CARDS]; static int single_cmd = -1; static int enable_msi = -1; #ifdef CONFIG_SND_HDA_PATCH_LOADER static char *patch[SNDRV_CARDS]; #endif #ifdef CONFIG_SND_HDA_INPUT_BEEP static bool beep_mode[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = CONFIG_SND_HDA_INPUT_BEEP_MODE}; #endif module_param_array(index, int, NULL, 0444); MODULE_PARM_DESC(index, "Index value for Intel HD audio interface."); module_param_array(id, charp, NULL, 0444); MODULE_PARM_DESC(id, "ID string for Intel HD audio interface."); module_param_array(enable, bool, NULL, 0444); 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, "DMA pointer read method." "(-1 = system default, 0 = auto, 1 = LPIB, 2 = POSBUF, 3 = VIACOMBO, 4 = COMBO, 5 = SKL+)."); 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); MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1)."); module_param_array(probe_only, int, NULL, 0444); MODULE_PARM_DESC(probe_only, "Only probing and no codec initialization."); module_param_array(jackpoll_ms, int, NULL, 0444); MODULE_PARM_DESC(jackpoll_ms, "Ms between polling for jack events (default = 0, using unsol events only)"); module_param(single_cmd, bint, 0444); MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs " "(for debugging only)."); module_param(enable_msi, bint, 0444); MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)"); #ifdef CONFIG_SND_HDA_PATCH_LOADER module_param_array(patch, charp, NULL, 0444); MODULE_PARM_DESC(patch, "Patch file for Intel HD audio interface."); #endif #ifdef CONFIG_SND_HDA_INPUT_BEEP module_param_array(beep_mode, bool, NULL, 0444); MODULE_PARM_DESC(beep_mode, "Select HDA Beep registration mode " "(0=off, 1=on) (default=1)."); #endif #ifdef CONFIG_PM static int param_set_xint(const char *val, const struct kernel_param *kp); static const struct kernel_param_ops param_ops_xint = { .set = param_set_xint, .get = param_get_int, }; #define param_check_xint param_check_int static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT; module_param(power_save, xint, 0644); MODULE_PARM_DESC(power_save, "Automatic power-saving timeout " "(in second, 0 = disable)."); static bool pm_blacklist = true; module_param(pm_blacklist, bool, 0644); MODULE_PARM_DESC(pm_blacklist, "Enable power-management blacklist"); /* reset the HD-audio controller in power save mode. * this may give more power-saving, but will take longer time to * wake up. */ static bool power_save_controller = 1; module_param(power_save_controller, bool, 0644); MODULE_PARM_DESC(power_save_controller, "Reset controller in power save mode."); #else #define power_save 0 #endif /* CONFIG_PM */ static int align_buffer_size = -1; module_param(align_buffer_size, bint, 0644); MODULE_PARM_DESC(align_buffer_size, "Force buffer and period sizes to be multiple of 128 bytes."); #ifdef CONFIG_X86 static int hda_snoop = -1; module_param_named(snoop, hda_snoop, bint, 0444); MODULE_PARM_DESC(snoop, "Enable/disable snooping"); #else #define hda_snoop true #endif MODULE_LICENSE("GPL"); MODULE_SUPPORTED_DEVICE("{{Intel, ICH6}," "{Intel, ICH6M}," "{Intel, ICH7}," "{Intel, ESB2}," "{Intel, ICH8}," "{Intel, ICH9}," "{Intel, ICH10}," "{Intel, PCH}," "{Intel, CPT}," "{Intel, PPT}," "{Intel, LPT}," "{Intel, LPT_LP}," "{Intel, WPT_LP}," "{Intel, SPT}," "{Intel, SPT_LP}," "{Intel, HPT}," "{Intel, PBG}," "{Intel, SCH}," "{ATI, SB450}," "{ATI, SB600}," "{ATI, RS600}," "{ATI, RS690}," "{ATI, RS780}," "{ATI, R600}," "{ATI, RV630}," "{ATI, RV610}," "{ATI, RV670}," "{ATI, RV635}," "{ATI, RV620}," "{ATI, RV770}," "{VIA, VT8251}," "{VIA, VT8237A}," "{SiS, SIS966}," "{ULI, M5461}}"); MODULE_DESCRIPTION("Intel HDA driver"); #if defined(CONFIG_PM) && defined(CONFIG_VGA_SWITCHEROO) #if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI) #define SUPPORT_VGA_SWITCHEROO #endif #endif /* */ /* driver types */ enum { AZX_DRIVER_ICH, AZX_DRIVER_PCH, AZX_DRIVER_SCH, AZX_DRIVER_SKL, AZX_DRIVER_HDMI, AZX_DRIVER_ATI, AZX_DRIVER_ATIHDMI, AZX_DRIVER_ATIHDMI_NS, AZX_DRIVER_VIA, AZX_DRIVER_SIS, AZX_DRIVER_ULI, AZX_DRIVER_NVIDIA, AZX_DRIVER_TERA, AZX_DRIVER_CTX, AZX_DRIVER_CTHDA, AZX_DRIVER_CMEDIA, AZX_DRIVER_GENERIC, AZX_NUM_DRIVERS, /* keep this as last entry */ }; #define azx_get_snoop_type(chip) \ (((chip)->driver_caps & AZX_DCAPS_SNOOP_MASK) >> 10) #define AZX_DCAPS_SNOOP_TYPE(type) ((AZX_SNOOP_TYPE_ ## type) << 10) /* quirks for old Intel chipsets */ #define AZX_DCAPS_INTEL_ICH \ (AZX_DCAPS_OLD_SSYNC | AZX_DCAPS_NO_ALIGN_BUFSIZE) /* quirks for Intel PCH */ #define AZX_DCAPS_INTEL_PCH_BASE \ (AZX_DCAPS_NO_ALIGN_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY |\ AZX_DCAPS_SNOOP_TYPE(SCH)) /* PCH up to IVB; no runtime PM; bind with i915 gfx */ #define AZX_DCAPS_INTEL_PCH_NOPM \ (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_I915_COMPONENT) /* PCH for HSW/BDW; with runtime PM */ /* no i915 binding for this as HSW/BDW has another controller for HDMI */ #define AZX_DCAPS_INTEL_PCH \ (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME) /* HSW HDMI */ #define AZX_DCAPS_INTEL_HASWELL \ (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_COUNT_LPIB_DELAY |\ AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_COMPONENT |\ AZX_DCAPS_SNOOP_TYPE(SCH)) /* Broadwell HDMI can't use position buffer reliably, force to use LPIB */ #define AZX_DCAPS_INTEL_BROADWELL \ (/*AZX_DCAPS_ALIGN_BUFSIZE |*/ AZX_DCAPS_POSFIX_LPIB |\ AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_COMPONENT |\ AZX_DCAPS_SNOOP_TYPE(SCH)) #define AZX_DCAPS_INTEL_BAYTRAIL \ (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_I915_COMPONENT) #define AZX_DCAPS_INTEL_BRASWELL \ (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME |\ AZX_DCAPS_I915_COMPONENT) #define AZX_DCAPS_INTEL_SKYLAKE \ (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME |\ AZX_DCAPS_SEPARATE_STREAM_TAG | AZX_DCAPS_I915_COMPONENT) #define AZX_DCAPS_INTEL_BROXTON \ (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME |\ AZX_DCAPS_SEPARATE_STREAM_TAG | AZX_DCAPS_I915_COMPONENT) /* quirks for ATI SB / AMD Hudson */ #define AZX_DCAPS_PRESET_ATI_SB \ (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB |\ AZX_DCAPS_SNOOP_TYPE(ATI)) /* quirks for ATI/AMD HDMI */ #define AZX_DCAPS_PRESET_ATI_HDMI \ (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB|\ AZX_DCAPS_NO_MSI64) /* quirks for ATI HDMI with snoop off */ #define AZX_DCAPS_PRESET_ATI_HDMI_NS \ (AZX_DCAPS_PRESET_ATI_HDMI | AZX_DCAPS_SNOOP_OFF) /* quirks for Nvidia */ #define AZX_DCAPS_PRESET_NVIDIA \ (AZX_DCAPS_NO_MSI | AZX_DCAPS_CORBRP_SELF_CLEAR |\ AZX_DCAPS_SNOOP_TYPE(NVIDIA)) #define AZX_DCAPS_PRESET_CTHDA \ (AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB |\ AZX_DCAPS_NO_64BIT |\ AZX_DCAPS_4K_BDLE_BOUNDARY | AZX_DCAPS_SNOOP_OFF) /* * vga_switcheroo support */ #ifdef SUPPORT_VGA_SWITCHEROO #define use_vga_switcheroo(chip) ((chip)->use_vga_switcheroo) #define needs_eld_notify_link(chip) ((chip)->need_eld_notify_link) #else #define use_vga_switcheroo(chip) 0 #define needs_eld_notify_link(chip) false #endif #define CONTROLLER_IN_GPU(pci) (((pci)->device == 0x0a0c) || \ ((pci)->device == 0x0c0c) || \ ((pci)->device == 0x0d0c) || \ ((pci)->device == 0x160c)) #define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98) #define IS_CFL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa348) #define IS_CNL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9dc8) static char *driver_short_names[] = { [AZX_DRIVER_ICH] = "HDA Intel", [AZX_DRIVER_PCH] = "HDA Intel PCH", [AZX_DRIVER_SCH] = "HDA Intel MID", [AZX_DRIVER_SKL] = "HDA Intel PCH", /* kept old name for compatibility */ [AZX_DRIVER_HDMI] = "HDA Intel HDMI", [AZX_DRIVER_ATI] = "HDA ATI SB", [AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI", [AZX_DRIVER_ATIHDMI_NS] = "HDA ATI HDMI", [AZX_DRIVER_VIA] = "HDA VIA VT82xx", [AZX_DRIVER_SIS] = "HDA SIS966", [AZX_DRIVER_ULI] = "HDA ULI M5461", [AZX_DRIVER_NVIDIA] = "HDA NVidia", [AZX_DRIVER_TERA] = "HDA Teradici", [AZX_DRIVER_CTX] = "HDA Creative", [AZX_DRIVER_CTHDA] = "HDA Creative", [AZX_DRIVER_CMEDIA] = "HDA C-Media", [AZX_DRIVER_GENERIC] = "HD-Audio Generic", }; static int azx_acquire_irq(struct azx *chip, int do_disconnect); static void set_default_power_save(struct azx *chip); /* * initialize the PCI registers */ /* update bits in a PCI register byte */ static void update_pci_byte(struct pci_dev *pci, unsigned int reg, unsigned char mask, unsigned char val) { unsigned char data; pci_read_config_byte(pci, reg, &data); data &= ~mask; data |= (val & mask); pci_write_config_byte(pci, reg, data); } static void azx_init_pci(struct azx *chip) { int snoop_type = azx_get_snoop_type(chip); /* Clear bits 0-2 of PCI register TCSEL (at offset 0x44) * TCSEL == Traffic Class Select Register, which sets PCI express QOS * Ensuring these bits are 0 clears playback static on some HD Audio * codecs. * The PCI register TCSEL is defined in the Intel manuals. */ if (!(chip->driver_caps & AZX_DCAPS_NO_TCSEL)) { dev_dbg(chip->card->dev, "Clearing TCSEL\n"); update_pci_byte(chip->pci, AZX_PCIREG_TCSEL, 0x07, 0); } /* For ATI SB450/600/700/800/900 and AMD Hudson azalia HD audio, * we need to enable snoop. */ if (snoop_type == AZX_SNOOP_TYPE_ATI) { dev_dbg(chip->card->dev, "Setting ATI snoop: %d\n", azx_snoop(chip)); update_pci_byte(chip->pci, ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR, 0x07, azx_snoop(chip) ? ATI_SB450_HDAUDIO_ENABLE_SNOOP : 0); } /* For NVIDIA HDA, enable snoop */ if (snoop_type == AZX_SNOOP_TYPE_NVIDIA) { dev_dbg(chip->card->dev, "Setting Nvidia snoop: %d\n", azx_snoop(chip)); update_pci_byte(chip->pci, NVIDIA_HDA_TRANSREG_ADDR, 0x0f, NVIDIA_HDA_ENABLE_COHBITS); update_pci_byte(chip->pci, NVIDIA_HDA_ISTRM_COH, 0x01, NVIDIA_HDA_ENABLE_COHBIT); update_pci_byte(chip->pci, NVIDIA_HDA_OSTRM_COH, 0x01, NVIDIA_HDA_ENABLE_COHBIT); } /* Enable SCH/PCH snoop if needed */ if (snoop_type == AZX_SNOOP_TYPE_SCH) { unsigned short snoop; pci_read_config_word(chip->pci, INTEL_SCH_HDA_DEVC, &snoop); if ((!azx_snoop(chip) && !(snoop & INTEL_SCH_HDA_DEVC_NOSNOOP)) || (azx_snoop(chip) && (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP))) { snoop &= ~INTEL_SCH_HDA_DEVC_NOSNOOP; if (!azx_snoop(chip)) snoop |= INTEL_SCH_HDA_DEVC_NOSNOOP; pci_write_config_word(chip->pci, INTEL_SCH_HDA_DEVC, snoop); pci_read_config_word(chip->pci, INTEL_SCH_HDA_DEVC, &snoop); } dev_dbg(chip->card->dev, "SCH snoop: %s\n", (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP) ? "Disabled" : "Enabled"); } } /* * In BXT-P A0, HD-Audio DMA requests is later than expected, * and makes an audio stream sensitive to system latencies when * 24/32 bits are playing. * Adjusting threshold of DMA fifo to force the DMA request * sooner to improve latency tolerance at the expense of power. */ static void bxt_reduce_dma_latency(struct azx *chip) { u32 val; val = azx_readl(chip, VS_EM4L); val &= (0x3 << 20); azx_writel(chip, VS_EM4L, val); } /* * ML_LCAP bits: * bit 0: 6 MHz Supported * bit 1: 12 MHz Supported * bit 2: 24 MHz Supported * bit 3: 48 MHz Supported * bit 4: 96 MHz Supported * bit 5: 192 MHz Supported */ static int intel_get_lctl_scf(struct azx *chip) { struct hdac_bus *bus = azx_bus(chip); static int preferred_bits[] = { 2, 3, 1, 4, 5 }; u32 val, t; int i; val = readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCAP); for (i = 0; i < ARRAY_SIZE(preferred_bits); i++) { t = preferred_bits[i]; if (val & (1 << t)) return t; } dev_warn(chip->card->dev, "set audio clock frequency to 6MHz"); return 0; } static int intel_ml_lctl_set_power(struct azx *chip, int state) { struct hdac_bus *bus = azx_bus(chip); u32 val; int timeout; /* * the codecs are sharing the first link setting by default * If other links are enabled for stream, they need similar fix */ val = readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL); val &= ~AZX_MLCTL_SPA; val |= state << AZX_MLCTL_SPA_SHIFT; writel(val, bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL); /* wait for CPA */ timeout = 50; while (timeout) { if (((readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL)) & AZX_MLCTL_CPA) == (state << AZX_MLCTL_CPA_SHIFT)) return 0; timeout--; udelay(10); } return -1; } static void intel_init_lctl(struct azx *chip) { struct hdac_bus *bus = azx_bus(chip); u32 val; int ret; /* 0. check lctl register value is correct or not */ val = readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL); /* if SCF is already set, let's use it */ if ((val & ML_LCTL_SCF_MASK) != 0) return; /* * Before operating on SPA, CPA must match SPA. * Any deviation may result in undefined behavior. */ if (((val & AZX_MLCTL_SPA) >> AZX_MLCTL_SPA_SHIFT) != ((val & AZX_MLCTL_CPA) >> AZX_MLCTL_CPA_SHIFT)) return; /* 1. turn link down: set SPA to 0 and wait CPA to 0 */ ret = intel_ml_lctl_set_power(chip, 0); udelay(100); if (ret) goto set_spa; /* 2. update SCF to select a properly audio clock*/ val &= ~ML_LCTL_SCF_MASK; val |= intel_get_lctl_scf(chip); writel(val, bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL); set_spa: /* 4. turn link up: set SPA to 1 and wait CPA to 1 */ intel_ml_lctl_set_power(chip, 1); udelay(100); } static void hda_intel_init_chip(struct azx *chip, bool full_reset) { struct hdac_bus *bus = azx_bus(chip); struct pci_dev *pci = chip->pci; u32 val; snd_hdac_set_codec_wakeup(bus, true); if (chip->driver_type == AZX_DRIVER_SKL) { pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val); val = val & ~INTEL_HDA_CGCTL_MISCBDCGE; pci_write_config_dword(pci, INTEL_HDA_CGCTL, val); } azx_init_chip(chip, full_reset); if (chip->driver_type == AZX_DRIVER_SKL) { pci_read_config_dword(pci, INTEL_HDA_CGCTL, &val); val = val | INTEL_HDA_CGCTL_MISCBDCGE; pci_write_config_dword(pci, INTEL_HDA_CGCTL, val); } snd_hdac_set_codec_wakeup(bus, false); /* reduce dma latency to avoid noise */ if (IS_BXT(pci)) bxt_reduce_dma_latency(chip); if (bus->mlcap != NULL) intel_init_lctl(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->core.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->core.delay_negative_threshold) delay = 0; else delay += azx_dev->core.bufsize; } if (delay >= azx_dev->core.period_bytes) { dev_info(chip->card->dev, "Unstable LPIB (%d >= %d); disabling LPIB delay counting\n", delay, azx_dev->core.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); if (ok == 1) { azx_dev->irq_pending = 0; return ok; } else if (ok == 0) { /* bogus IRQ, process it later */ azx_dev->irq_pending = 1; schedule_work(&hda->irq_pending_work); } return 0; } #define display_power(chip, enable) \ snd_hdac_display_power(azx_bus(chip), HDA_CODEC_IDX_CONTROLLER, enable) /* * Check whether the current DMA position is acceptable for updating * periods. Returns non-zero if it's OK. * * Many HD-audio controllers appear pretty inaccurate about * the update-IRQ timing. The IRQ is issued before actually the * data is processed. So, we need to process it afterwords in a * workqueue. */ static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev) { struct snd_pcm_substream *substream = azx_dev->core.substream; int stream = substream->stream; u32 wallclk; unsigned int pos; wallclk = azx_readl(chip, WALLCLK) - azx_dev->core.start_wallclk; if (wallclk < (azx_dev->core.period_wallclk * 2) / 3) return -1; /* bogus (too early) interrupt */ 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; if (chip->get_position[0] == azx_get_pos_lpib && chip->get_position[1] == azx_get_pos_lpib) azx_bus(chip)->use_posbuf = false; 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->core.bufsize) pos = 0; if (WARN_ONCE(!azx_dev->core.period_bytes, "hda-intel: zero azx_dev->period_bytes")) return -1; /* this shouldn't happen! */ if (wallclk < (azx_dev->core.period_wallclk * 5) / 4 && pos % azx_dev->core.period_bytes > azx_dev->core.period_bytes / 2) /* NG - it's below the first next period boundary */ return chip->bdl_pos_adj ? 0 : -1; azx_dev->core.start_wallclk += wallclk; return 1; /* OK, it's fine */ } /* * The work for pending PCM period updates. */ static void azx_irq_pending_work(struct work_struct *work) { struct hda_intel *hda = container_of(work, struct hda_intel, irq_pending_work); struct azx *chip = &hda->chip; struct hdac_bus *bus = azx_bus(chip); struct hdac_stream *s; int pending, ok; 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); hda->irq_pending_warned = 1; } for (;;) { pending = 0; spin_lock_irq(&bus->reg_lock); list_for_each_entry(s, &bus->stream_list, list) { struct azx_dev *azx_dev = stream_to_azx_dev(s); if (!azx_dev->irq_pending || !s->substream || !s->running) continue; ok = azx_position_ok(chip, azx_dev); if (ok > 0) { azx_dev->irq_pending = 0; spin_unlock(&bus->reg_lock); snd_pcm_period_elapsed(s->substream); spin_lock(&bus->reg_lock); } else if (ok < 0) { pending = 0; /* too early */ } else pending++; } spin_unlock_irq(&bus->reg_lock); if (!pending) return; msleep(1); } } /* clear irq_pending flags and assure no on-going workq */ static void azx_clear_irq_pending(struct azx *chip) { struct hdac_bus *bus = azx_bus(chip); struct hdac_stream *s; spin_lock_irq(&bus->reg_lock); list_for_each_entry(s, &bus->stream_list, list) { struct azx_dev *azx_dev = stream_to_azx_dev(s); azx_dev->irq_pending = 0; } spin_unlock_irq(&bus->reg_lock); } static int azx_acquire_irq(struct azx *chip, int do_disconnect) { struct hdac_bus *bus = azx_bus(chip); if (request_irq(chip->pci->irq, azx_interrupt, chip->msi ? 0 : IRQF_SHARED, chip->card->irq_descr, chip)) { dev_err(chip->card->dev, "unable to grab IRQ %d, disabling device\n", chip->pci->irq); if (do_disconnect) snd_card_disconnect(chip->card); return -1; } bus->irq = chip->pci->irq; pci_intx(chip->pci, !chip->msi); 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 = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev)); if (azx_dev->core.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->core.posbuf); mod_dma_pos %= azx_dev->core.period_bytes; /* azx_dev->fifo_size can't get FIFO size of in stream. * Get from base address + offset. */ fifo_size = readw(azx_bus(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->core.bufsize + link_pos - fifo_size; else mini_pos = link_pos - fifo_size; /* Find nearest previous boudary */ mod_mini_pos = mini_pos % azx_dev->core.period_bytes; mod_link_pos = link_pos % azx_dev->core.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->core.period_bytes; if (bound_pos >= azx_dev->core.bufsize) bound_pos = 0; } /* Calculate real DMA position we want */ return bound_pos + mod_dma_pos; } static unsigned int azx_skl_get_dpib_pos(struct azx *chip, struct azx_dev *azx_dev) { return _snd_hdac_chip_readl(azx_bus(chip), AZX_REG_VS_SDXDPIB_XBASE + (AZX_REG_VS_SDXDPIB_XINTERVAL * azx_dev->core.index)); } /* get the current DMA position with correction on SKL+ chips */ static unsigned int azx_get_pos_skl(struct azx *chip, struct azx_dev *azx_dev) { /* DPIB register gives a more accurate position for playback */ if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK) return azx_skl_get_dpib_pos(chip, azx_dev); /* For capture, we need to read posbuf, but it requires a delay * for the possible boundary overlap; the read of DPIB fetches the * actual posbuf */ udelay(20); azx_skl_get_dpib_pos(chip, azx_dev); return azx_get_pos_posbuf(chip, azx_dev); } #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(&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(&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; int prev = power_save; int ret = param_set_int(val, kp); if (ret || prev == power_save) return ret; mutex_lock(&card_list_lock); list_for_each_entry(hda, &card_list, list) { chip = &hda->chip; if (!hda->probe_continued || chip->disabled) continue; snd_hda_set_power_save(&chip->bus, power_save * 1000); } mutex_unlock(&card_list_lock); return 0; } /* * power management */ static bool azx_is_pm_ready(struct snd_card *card) { struct azx *chip; struct hda_intel *hda; if (!card) return false; chip = card->private_data; hda = container_of(chip, struct hda_intel, chip); if (chip->disabled || hda->init_failed || !chip->running) return false; return true; } static void __azx_runtime_suspend(struct azx *chip) { azx_stop_chip(chip); azx_enter_link_reset(chip); azx_clear_irq_pending(chip); display_power(chip, false); } static void __azx_runtime_resume(struct azx *chip, bool from_rt) { struct hda_intel *hda = container_of(chip, struct hda_intel, chip); struct hdac_bus *bus = azx_bus(chip); struct hda_codec *codec; int status; display_power(chip, true); if (hda->need_i915_power) snd_hdac_i915_set_bclk(bus); /* Read STATESTS before controller reset */ status = azx_readw(chip, STATESTS); azx_init_pci(chip); hda_intel_init_chip(chip, true); if (status && from_rt) { list_for_each_codec(codec, &chip->bus) if (status & (1 << codec->addr)) schedule_delayed_work(&codec->jackpoll_work, codec->jackpoll_interval); } /* power down again for link-controlled chips */ if (!hda->need_i915_power) display_power(chip, false); } #ifdef CONFIG_PM_SLEEP static int azx_suspend(struct device *dev) { struct snd_card *card = dev_get_drvdata(dev); struct azx *chip; struct hdac_bus *bus; if (!azx_is_pm_ready(card)) return 0; chip = card->private_data; bus = azx_bus(chip); snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); __azx_runtime_suspend(chip); if (bus->irq >= 0) { free_irq(bus->irq, chip); bus->irq = -1; } if (chip->msi) pci_disable_msi(chip->pci); trace_azx_suspend(chip); return 0; } static int azx_resume(struct device *dev) { struct snd_card *card = dev_get_drvdata(dev); struct azx *chip; if (!azx_is_pm_ready(card)) return 0; chip = card->private_data; if (chip->msi) if (pci_enable_msi(chip->pci) < 0) chip->msi = 0; if (azx_acquire_irq(chip, 1) < 0) return -EIO; __azx_runtime_resume(chip, false); snd_power_change_state(card, SNDRV_CTL_POWER_D0); trace_azx_resume(chip); return 0; } /* put codec down to D3 at hibernation for Intel SKL+; * otherwise BIOS may still access the codec and screw up the driver */ static int azx_freeze_noirq(struct device *dev) { struct snd_card *card = dev_get_drvdata(dev); struct azx *chip = card->private_data; struct pci_dev *pci = to_pci_dev(dev); if (chip->driver_type == AZX_DRIVER_SKL) pci_set_power_state(pci, PCI_D3hot); return 0; } static int azx_thaw_noirq(struct device *dev) { struct snd_card *card = dev_get_drvdata(dev); struct azx *chip = card->private_data; struct pci_dev *pci = to_pci_dev(dev); if (chip->driver_type == AZX_DRIVER_SKL) pci_set_power_state(pci, PCI_D0); return 0; } #endif /* CONFIG_PM_SLEEP */ static int azx_runtime_suspend(struct device *dev) { struct snd_card *card = dev_get_drvdata(dev); struct azx *chip; if (!azx_is_pm_ready(card)) return 0; chip = card->private_data; if (!azx_has_pm_runtime(chip)) return 0; /* enable controller wake up event */ azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) | STATESTS_INT_MASK); __azx_runtime_suspend(chip); trace_azx_runtime_suspend(chip); return 0; } static int azx_runtime_resume(struct device *dev) { struct snd_card *card = dev_get_drvdata(dev); struct azx *chip; if (!azx_is_pm_ready(card)) return 0; chip = card->private_data; if (!azx_has_pm_runtime(chip)) return 0; __azx_runtime_resume(chip, true); /* disable controller Wake Up event*/ azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) & ~STATESTS_INT_MASK); trace_azx_runtime_resume(chip); return 0; } static int azx_runtime_idle(struct device *dev) { struct snd_card *card = dev_get_drvdata(dev); struct azx *chip; struct hda_intel *hda; 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 (!power_save_controller || !azx_has_pm_runtime(chip) || azx_bus(chip)->codec_powered || !chip->running) return -EBUSY; /* ELD notification gets broken when HD-audio bus is off */ if (needs_eld_notify_link(hda)) return -EBUSY; return 0; } static const struct dev_pm_ops azx_pm = { SET_SYSTEM_SLEEP_PM_OPS(azx_suspend, azx_resume) #ifdef CONFIG_PM_SLEEP .freeze_noirq = azx_freeze_noirq, .thaw_noirq = azx_thaw_noirq, #endif SET_RUNTIME_PM_OPS(azx_runtime_suspend, azx_runtime_resume, azx_runtime_idle) }; #define AZX_PM_OPS &azx_pm #else #define azx_add_card_list(chip) /* NOP */ #define azx_del_card_list(chip) /* NOP */ #define AZX_PM_OPS NULL #endif /* CONFIG_PM */ static int azx_probe_continue(struct azx *chip); #ifdef SUPPORT_VGA_SWITCHEROO static struct pci_dev *get_bound_vga(struct pci_dev *pci); static void azx_vs_set_state(struct pci_dev *pci, enum vga_switcheroo_state state) { 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); struct hda_codec *codec; bool disabled; wait_for_completion(&hda->probe_wait); if (hda->init_failed) return; disabled = (state == VGA_SWITCHEROO_OFF); if (chip->disabled == disabled) return; if (!hda->probe_continued) { chip->disabled = disabled; if (!disabled) { dev_info(chip->card->dev, "Start delayed initialization\n"); if (azx_probe_continue(chip) < 0) { dev_err(chip->card->dev, "initialization error\n"); hda->init_failed = true; } } } else { dev_info(chip->card->dev, "%s via vga_switcheroo\n", disabled ? "Disabling" : "Enabling"); if (disabled) { list_for_each_codec(codec, &chip->bus) { pm_runtime_suspend(hda_codec_dev(codec)); pm_runtime_disable(hda_codec_dev(codec)); } pm_runtime_suspend(card->dev); pm_runtime_disable(card->dev); /* when we get suspended by vga_switcheroo we end up in D3cold, * however we have no ACPI handle, so pci/acpi can't put us there, * put ourselves there */ pci->current_state = PCI_D3cold; chip->disabled = true; if (snd_hda_lock_devices(&chip->bus)) dev_warn(chip->card->dev, "Cannot lock devices!\n"); } else { snd_hda_unlock_devices(&chip->bus); chip->disabled = false; pm_runtime_enable(card->dev); list_for_each_codec(codec, &chip->bus) { pm_runtime_enable(hda_codec_dev(codec)); pm_runtime_resume(hda_codec_dev(codec)); } } } } 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(&hda->probe_wait); if (hda->init_failed) return false; if (chip->disabled || !hda->probe_continued) return true; if (snd_hda_lock_devices(&chip->bus)) return false; snd_hda_unlock_devices(&chip->bus); return true; } /* * The discrete GPU cannot power down unless the HDA controller runtime * suspends, so activate runtime PM on codecs even if power_save == 0. */ static void setup_vga_switcheroo_runtime_pm(struct azx *chip) { struct hda_intel *hda = container_of(chip, struct hda_intel, chip); struct hda_codec *codec; if (hda->use_vga_switcheroo && !hda->need_eld_notify_link) { list_for_each_codec(codec, &chip->bus) codec->auto_runtime_pm = 1; /* reset the power save setup */ if (chip->running) set_default_power_save(chip); } } static void azx_vs_gpu_bound(struct pci_dev *pci, enum vga_switcheroo_client_id client_id) { 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); if (client_id == VGA_SWITCHEROO_DIS) hda->need_eld_notify_link = 0; setup_vga_switcheroo_runtime_pm(chip); } 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"); hda->use_vga_switcheroo = 1; hda->need_eld_notify_link = 1; /* cleared in gpu_bound op */ chip->driver_caps |= AZX_DCAPS_PM_RUNTIME; pci_dev_put(p); } } static const struct vga_switcheroo_client_ops azx_vs_ops = { .set_gpu_state = azx_vs_set_state, .can_switch = azx_vs_can_switch, .gpu_bound = azx_vs_gpu_bound, }; static int register_vga_switcheroo(struct azx *chip) { struct hda_intel *hda = container_of(chip, struct hda_intel, chip); struct pci_dev *p; int err; if (!hda->use_vga_switcheroo) return 0; p = get_bound_vga(chip->pci); err = vga_switcheroo_register_audio_client(chip->pci, &azx_vs_ops, p); pci_dev_put(p); if (err < 0) return err; hda->vga_switcheroo_registered = 1; return 0; } #else #define init_vga_switcheroo(chip) /* NOP */ #define register_vga_switcheroo(chip) 0 #define check_hdmi_disabled(pci) false #define setup_vga_switcheroo_runtime_pm(chip) /* NOP */ #endif /* SUPPORT_VGA_SWITCHER */ /* * destructor */ static int azx_free(struct azx *chip) { struct pci_dev *pci = chip->pci; struct hda_intel *hda = container_of(chip, struct hda_intel, chip); struct hdac_bus *bus = azx_bus(chip); if (azx_has_pm_runtime(chip) && chip->running) pm_runtime_get_noresume(&pci->dev); chip->running = 0; azx_del_card_list(chip); hda->init_failed = 1; /* to be sure */ complete_all(&hda->probe_wait); if (use_vga_switcheroo(hda)) { if (chip->disabled && hda->probe_continued) snd_hda_unlock_devices(&chip->bus); if (hda->vga_switcheroo_registered) vga_switcheroo_unregister_client(chip->pci); } if (bus->chip_init) { azx_stop_chip(chip); azx_clear_irq_pending(chip); azx_stop_all_streams(chip); } if (bus->irq >= 0) free_irq(bus->irq, (void*)chip); if (chip->msi) pci_disable_msi(chip->pci); iounmap(bus->remap_addr); azx_free_stream_pages(chip); azx_free_streams(chip); snd_hdac_bus_exit(bus); if (chip->region_requested) pci_release_regions(chip->pci); pci_disable_device(chip->pci); #ifdef CONFIG_SND_HDA_PATCH_LOADER release_firmware(chip->fw); #endif display_power(chip, false); if (chip->driver_caps & AZX_DCAPS_I915_COMPONENT) snd_hdac_i915_exit(bus); kfree(hda); return 0; } static int azx_dev_disconnect(struct snd_device *device) { struct azx *chip = device->device_data; chip->bus.shutdown = 1; return 0; } static int azx_dev_free(struct snd_device *device) { return azx_free(device->device_data); } #ifdef SUPPORT_VGA_SWITCHEROO /* * Check of disabled HDMI controller by vga_switcheroo */ static struct pci_dev *get_bound_vga(struct pci_dev *pci) { struct pci_dev *p; /* check only discrete GPU */ switch (pci->vendor) { case PCI_VENDOR_ID_ATI: case PCI_VENDOR_ID_AMD: case PCI_VENDOR_ID_NVIDIA: if (pci->devfn == 1) { p = pci_get_domain_bus_and_slot(pci_domain_nr(pci->bus), pci->bus->number, 0); if (p) { if ((p->class >> 16) == PCI_BASE_CLASS_DISPLAY) return p; pci_dev_put(p); } } break; } return NULL; } static bool check_hdmi_disabled(struct pci_dev *pci) { bool vga_inactive = false; struct pci_dev *p = get_bound_vga(pci); if (p) { if (vga_switcheroo_get_client_state(p) == VGA_SWITCHEROO_OFF) vga_inactive = true; pci_dev_put(p); } return vga_inactive; } #endif /* SUPPORT_VGA_SWITCHEROO */ /* * white/black-listing for position_fix */ static struct snd_pci_quirk position_fix_list[] = { SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB), SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB), SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB), SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB), SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB), SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB), SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB), SND_PCI_QUIRK(0x10de, 0xcb89, "Macbook Pro 7,1", POS_FIX_LPIB), SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB), SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB), SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB), SND_PCI_QUIRK(0x1565, 0x8218, "Biostar Microtech", POS_FIX_LPIB), SND_PCI_QUIRK(0x1849, 0x0888, "775Dual-VSTA", POS_FIX_LPIB), SND_PCI_QUIRK(0x8086, 0x2503, "DG965OT AAD63733-203", POS_FIX_LPIB), {} }; static int check_position_fix(struct azx *chip, int fix) { const struct snd_pci_quirk *q; switch (fix) { case POS_FIX_AUTO: case POS_FIX_LPIB: case POS_FIX_POSBUF: case POS_FIX_VIACOMBO: case POS_FIX_COMBO: case POS_FIX_SKL: return fix; } q = snd_pci_quirk_lookup(chip->pci, position_fix_list); if (q) { dev_info(chip->card->dev, "position_fix set to %d for device %04x:%04x\n", q->value, q->subvendor, q->subdevice); return q->value; } /* Check VIA/ATI HD Audio Controller exist */ if (chip->driver_type == AZX_DRIVER_VIA) { dev_dbg(chip->card->dev, "Using VIACOMBO position fix\n"); return POS_FIX_VIACOMBO; } if (chip->driver_caps & AZX_DCAPS_POSFIX_LPIB) { dev_dbg(chip->card->dev, "Using LPIB position fix\n"); return POS_FIX_LPIB; } if (chip->driver_type == AZX_DRIVER_SKL) { dev_dbg(chip->card->dev, "Using SKL position fix\n"); return POS_FIX_SKL; } 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, [POS_FIX_SKL] = azx_get_pos_skl, }; 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 || fix == POS_FIX_SKL) && (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 */ static struct snd_pci_quirk probe_mask_list[] = { /* Thinkpad often breaks the controller communication when accessing * to the non-working (or non-existing) modem codec slot. */ SND_PCI_QUIRK(0x1014, 0x05b7, "Thinkpad Z60", 0x01), SND_PCI_QUIRK(0x17aa, 0x2010, "Thinkpad X/T/R60", 0x01), SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X/T/R61", 0x01), /* broken BIOS */ SND_PCI_QUIRK(0x1028, 0x20ac, "Dell Studio Desktop", 0x01), /* including bogus ALC268 in slot#2 that conflicts with ALC888 */ SND_PCI_QUIRK(0x17c0, 0x4085, "Medion MD96630", 0x01), /* forced codec slots */ SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103), SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103), /* WinFast VP200 H (Teradici) user reported broken communication */ SND_PCI_QUIRK(0x3a21, 0x040d, "WinFast VP200 H", 0x101), {} }; #define AZX_FORCE_CODEC_MASK 0x100 static void check_probe_mask(struct azx *chip, int dev) { const struct snd_pci_quirk *q; chip->codec_probe_mask = probe_mask[dev]; if (chip->codec_probe_mask == -1) { q = snd_pci_quirk_lookup(chip->pci, probe_mask_list); if (q) { dev_info(chip->card->dev, "probe_mask set to 0x%x for device %04x:%04x\n", q->value, q->subvendor, q->subdevice); chip->codec_probe_mask = q->value; } } /* check forced option */ if (chip->codec_probe_mask != -1 && (chip->codec_probe_mask & AZX_FORCE_CODEC_MASK)) { azx_bus(chip)->codec_mask = chip->codec_probe_mask & 0xff; dev_info(chip->card->dev, "codec_mask forced to 0x%x\n", (int)azx_bus(chip)->codec_mask); } } /* * white/black-list for enable_msi */ static struct snd_pci_quirk msi_black_list[] = { SND_PCI_QUIRK(0x103c, 0x2191, "HP", 0), /* AMD Hudson */ SND_PCI_QUIRK(0x103c, 0x2192, "HP", 0), /* AMD Hudson */ SND_PCI_QUIRK(0x103c, 0x21f7, "HP", 0), /* AMD Hudson */ SND_PCI_QUIRK(0x103c, 0x21fa, "HP", 0), /* AMD Hudson */ SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */ SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */ SND_PCI_QUIRK(0x1043, 0x822d, "ASUS", 0), /* Athlon64 X2 + nvidia MCP55 */ SND_PCI_QUIRK(0x1179, 0xfb44, "Toshiba Satellite C870", 0), /* AMD Hudson */ SND_PCI_QUIRK(0x1849, 0x0888, "ASRock", 0), /* Athlon64 X2 + nvidia */ SND_PCI_QUIRK(0xa0a0, 0x0575, "Aopen MZ915-M", 0), /* ICH6 */ {} }; static void check_msi(struct azx *chip) { const struct snd_pci_quirk *q; if (enable_msi >= 0) { chip->msi = !!enable_msi; return; } chip->msi = 1; /* enable MSI as default */ q = snd_pci_quirk_lookup(chip->pci, msi_black_list); if (q) { dev_info(chip->card->dev, "msi for device %04x:%04x set to %d\n", q->subvendor, q->subdevice, q->value); chip->msi = q->value; return; } /* NVidia chipsets seem to cause troubles with MSI */ if (chip->driver_caps & AZX_DCAPS_NO_MSI) { dev_info(chip->card->dev, "Disabling MSI\n"); chip->msi = 0; } } /* check the snoop mode availability */ static void azx_check_snoop_available(struct azx *chip) { int snoop = hda_snoop; if (snoop >= 0) { dev_info(chip->card->dev, "Force to %s mode by module option\n", snoop ? "snoop" : "non-snoop"); chip->snoop = snoop; chip->uc_buffer = !snoop; return; } snoop = true; if (azx_get_snoop_type(chip) == AZX_SNOOP_TYPE_NONE && chip->driver_type == AZX_DRIVER_VIA) { /* force to non-snoop mode for a new VIA controller * when BIOS is set */ u8 val; pci_read_config_byte(chip->pci, 0x42, &val); if (!(val & 0x80) && (chip->pci->revision == 0x30 || chip->pci->revision == 0x20)) snoop = false; } if (chip->driver_caps & AZX_DCAPS_SNOOP_OFF) snoop = false; chip->snoop = snoop; if (!snoop) { dev_info(chip->card->dev, "Force to non-snoop mode\n"); /* C-Media requires non-cached pages only for CORB/RIRB */ if (chip->driver_type != AZX_DRIVER_CMEDIA) chip->uc_buffer = true; } } static void azx_probe_work(struct work_struct *work) { struct hda_intel *hda = container_of(work, struct hda_intel, probe_work); azx_probe_continue(&hda->chip); } static int default_bdl_pos_adj(struct azx *chip) { /* some exceptions: Atoms seem problematic with value 1 */ if (chip->pci->vendor == PCI_VENDOR_ID_INTEL) { switch (chip->pci->device) { case 0x0f04: /* Baytrail */ case 0x2284: /* Braswell */ return 32; } } switch (chip->driver_type) { case AZX_DRIVER_ICH: case AZX_DRIVER_PCH: return 1; default: return 32; } } /* * constructor */ static const struct hdac_io_ops pci_hda_io_ops; static const struct hda_controller_ops pci_hda_ops; static int azx_create(struct snd_card *card, struct pci_dev *pci, int dev, unsigned int driver_caps, struct azx **rchip) { static struct snd_device_ops ops = { .dev_disconnect = azx_dev_disconnect, .dev_free = azx_dev_free, }; struct hda_intel *hda; struct azx *chip; int err; *rchip = NULL; err = pci_enable_device(pci); if (err < 0) return err; hda = kzalloc(sizeof(*hda), GFP_KERNEL); if (!hda) { pci_disable_device(pci); return -ENOMEM; } chip = &hda->chip; mutex_init(&chip->open_mutex); chip->card = card; chip->pci = pci; chip->ops = &pci_hda_ops; chip->driver_caps = driver_caps; chip->driver_type = driver_caps & 0xff; check_msi(chip); chip->dev_index = dev; if (jackpoll_ms[dev] >= 50 && jackpoll_ms[dev] <= 60000) chip->jackpoll_interval = msecs_to_jiffies(jackpoll_ms[dev]); INIT_LIST_HEAD(&chip->pcm_list); INIT_WORK(&hda->irq_pending_work, azx_irq_pending_work); INIT_LIST_HEAD(&hda->list); init_vga_switcheroo(chip); init_completion(&hda->probe_wait); assign_position_fix(chip, check_position_fix(chip, position_fix[dev])); check_probe_mask(chip, dev); if (single_cmd < 0) /* allow fallback to single_cmd at errors */ chip->fallback_to_single_cmd = 1; else /* explicitly set to single_cmd or not */ chip->single_cmd = single_cmd; azx_check_snoop_available(chip); if (bdl_pos_adj[dev] < 0) chip->bdl_pos_adj = default_bdl_pos_adj(chip); else chip->bdl_pos_adj = bdl_pos_adj[dev]; err = azx_bus_init(chip, model[dev], &pci_hda_io_ops); if (err < 0) { kfree(hda); pci_disable_device(pci); return err; } /* Workaround for a communication error on CFL (bko#199007) and CNL */ if (IS_CFL(pci) || IS_CNL(pci)) azx_bus(chip)->polling_mode = 1; if (chip->driver_type == AZX_DRIVER_NVIDIA) { dev_dbg(chip->card->dev, "Enable delay in RIRB handling\n"); chip->bus.needs_damn_long_delay = 1; } err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); if (err < 0) { dev_err(card->dev, "Error creating device [card]!\n"); azx_free(chip); return err; } /* continue probing in work context as may trigger request module */ INIT_WORK(&hda->probe_work, azx_probe_work); *rchip = chip; return 0; } static int azx_first_init(struct azx *chip) { int dev = chip->dev_index; struct pci_dev *pci = chip->pci; struct snd_card *card = chip->card; struct hdac_bus *bus = azx_bus(chip); int err; unsigned short gcap; unsigned int dma_bits = 64; #if BITS_PER_LONG != 64 /* Fix up base address on ULI M5461 */ if (chip->driver_type == AZX_DRIVER_ULI) { u16 tmp3; pci_read_config_word(pci, 0x40, &tmp3); pci_write_config_word(pci, 0x40, tmp3 | 0x10); pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0); } #endif err = pci_request_regions(pci, "ICH HD audio"); if (err < 0) return err; chip->region_requested = 1; bus->addr = pci_resource_start(pci, 0); bus->remap_addr = pci_ioremap_bar(pci, 0); if (bus->remap_addr == NULL) { dev_err(card->dev, "ioremap error\n"); return -ENXIO; } if (chip->driver_type == AZX_DRIVER_SKL) snd_hdac_bus_parse_capabilities(bus); /* * Some Intel CPUs has always running timer (ART) feature and * controller may have Global time sync reporting capability, so * check both of these before declaring synchronized time reporting * capability SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME */ chip->gts_present = false; #ifdef CONFIG_X86 if (bus->ppcap && boot_cpu_has(X86_FEATURE_ART)) chip->gts_present = true; #endif if (chip->msi) { if (chip->driver_caps & AZX_DCAPS_NO_MSI64) { dev_dbg(card->dev, "Disabling 64bit MSI\n"); pci->no_64bit_msi = true; } if (pci_enable_msi(pci) < 0) chip->msi = 0; } pci_set_master(pci); synchronize_irq(bus->irq); gcap = azx_readw(chip, GCAP); dev_dbg(card->dev, "chipset global capabilities = 0x%x\n", gcap); /* AMD devices support 40 or 48bit DMA, take the safe one */ if (chip->pci->vendor == PCI_VENDOR_ID_AMD) dma_bits = 40; /* disable SB600 64bit support for safety */ if (chip->pci->vendor == PCI_VENDOR_ID_ATI) { struct pci_dev *p_smbus; dma_bits = 40; p_smbus = pci_get_device(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SBX00_SMBUS, NULL); if (p_smbus) { if (p_smbus->revision < 0x30) gcap &= ~AZX_GCAP_64OK; pci_dev_put(p_smbus); } } /* NVidia hardware normally only supports up to 40 bits of DMA */ if (chip->pci->vendor == PCI_VENDOR_ID_NVIDIA) dma_bits = 40; /* disable 64bit DMA address on some devices */ if (chip->driver_caps & AZX_DCAPS_NO_64BIT) { dev_dbg(card->dev, "Disabling 64bit DMA\n"); gcap &= ~AZX_GCAP_64OK; } /* disable buffer size rounding to 128-byte multiples if supported */ if (align_buffer_size >= 0) chip->align_buffer_size = !!align_buffer_size; else { if (chip->driver_caps & AZX_DCAPS_NO_ALIGN_BUFSIZE) chip->align_buffer_size = 0; else chip->align_buffer_size = 1; } /* allow 64bit DMA address if supported by H/W */ if (!(gcap & AZX_GCAP_64OK)) dma_bits = 32; if (!dma_set_mask(&pci->dev, DMA_BIT_MASK(dma_bits))) { dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(dma_bits)); } else { dma_set_mask(&pci->dev, DMA_BIT_MASK(32)); dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(32)); } /* read number of streams from GCAP register instead of using * hardcoded value */ chip->capture_streams = (gcap >> 8) & 0x0f; chip->playback_streams = (gcap >> 12) & 0x0f; if (!chip->playback_streams && !chip->capture_streams) { /* gcap didn't give any info, switching to old method */ switch (chip->driver_type) { case AZX_DRIVER_ULI: chip->playback_streams = ULI_NUM_PLAYBACK; chip->capture_streams = ULI_NUM_CAPTURE; break; case AZX_DRIVER_ATIHDMI: case AZX_DRIVER_ATIHDMI_NS: chip->playback_streams = ATIHDMI_NUM_PLAYBACK; chip->capture_streams = ATIHDMI_NUM_CAPTURE; break; case AZX_DRIVER_GENERIC: default: chip->playback_streams = ICH6_NUM_PLAYBACK; chip->capture_streams = ICH6_NUM_CAPTURE; break; } } chip->capture_index_offset = 0; chip->playback_index_offset = chip->capture_streams; chip->num_streams = chip->playback_streams + chip->capture_streams; /* sanity check for the SDxCTL.STRM field overflow */ if (chip->num_streams > 15 && (chip->driver_caps & AZX_DCAPS_SEPARATE_STREAM_TAG) == 0) { dev_warn(chip->card->dev, "number of I/O streams is %d, " "forcing separate stream tags", chip->num_streams); chip->driver_caps |= AZX_DCAPS_SEPARATE_STREAM_TAG; } /* initialize streams */ err = azx_init_streams(chip); if (err < 0) return err; err = azx_alloc_stream_pages(chip); if (err < 0) return err; /* initialize chip */ azx_init_pci(chip); snd_hdac_i915_set_bclk(bus); hda_intel_init_chip(chip, (probe_only[dev] & 2) == 0); /* codec detection */ if (!azx_bus(chip)->codec_mask) { dev_err(card->dev, "no codecs found!\n"); return -ENODEV; } if (azx_acquire_irq(chip, 0) < 0) return -EBUSY; strcpy(card->driver, "HDA-Intel"); strlcpy(card->shortname, driver_short_names[chip->driver_type], sizeof(card->shortname)); snprintf(card->longname, sizeof(card->longname), "%s at 0x%lx irq %i", card->shortname, bus->addr, bus->irq); return 0; } #ifdef CONFIG_SND_HDA_PATCH_LOADER /* callback from request_firmware_nowait() */ static void azx_firmware_cb(const struct firmware *fw, void *context) { struct snd_card *card = context; struct azx *chip = card->private_data; struct pci_dev *pci = chip->pci; if (!fw) { dev_err(card->dev, "Cannot load firmware, aborting\n"); goto error; } chip->fw = fw; if (!chip->disabled) { /* continue probing */ if (azx_probe_continue(chip)) goto error; } return; /* OK */ error: snd_card_free(card); pci_set_drvdata(pci, NULL); } #endif /* * HDA controller ops. */ /* PCI register access. */ static void pci_azx_writel(u32 value, u32 __iomem *addr) { writel(value, addr); } static u32 pci_azx_readl(u32 __iomem *addr) { return readl(addr); } static void pci_azx_writew(u16 value, u16 __iomem *addr) { writew(value, addr); } static u16 pci_azx_readw(u16 __iomem *addr) { return readw(addr); } static void pci_azx_writeb(u8 value, u8 __iomem *addr) { writeb(value, addr); } static u8 pci_azx_readb(u8 __iomem *addr) { return readb(addr); } static int disable_msi_reset_irq(struct azx *chip) { struct hdac_bus *bus = azx_bus(chip); int err; free_irq(bus->irq, chip); bus->irq = -1; pci_disable_msi(chip->pci); chip->msi = 0; err = azx_acquire_irq(chip, 1); if (err < 0) return err; return 0; } /* DMA page allocation helpers. */ static int dma_alloc_pages(struct hdac_bus *bus, int type, size_t size, struct snd_dma_buffer *buf) { struct azx *chip = bus_to_azx(bus); if (!azx_snoop(chip) && type == SNDRV_DMA_TYPE_DEV) type = SNDRV_DMA_TYPE_DEV_UC; return snd_dma_alloc_pages(type, bus->dev, size, buf); } static void dma_free_pages(struct hdac_bus *bus, struct snd_dma_buffer *buf) { snd_dma_free_pages(buf); } static void pcm_mmap_prepare(struct snd_pcm_substream *substream, struct vm_area_struct *area) { #ifdef CONFIG_X86 struct azx_pcm *apcm = snd_pcm_substream_chip(substream); struct azx *chip = apcm->chip; if (chip->uc_buffer) area->vm_page_prot = pgprot_writecombine(area->vm_page_prot); #endif } static const struct hdac_io_ops pci_hda_io_ops = { .reg_writel = pci_azx_writel, .reg_readl = pci_azx_readl, .reg_writew = pci_azx_writew, .reg_readw = pci_azx_readw, .reg_writeb = pci_azx_writeb, .reg_readb = pci_azx_readb, .dma_alloc_pages = dma_alloc_pages, .dma_free_pages = dma_free_pages, }; static const struct hda_controller_ops pci_hda_ops = { .disable_msi_reset_irq = disable_msi_reset_irq, .pcm_mmap_prepare = pcm_mmap_prepare, .position_check = azx_position_check, }; static int azx_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { static int dev; struct snd_card *card; struct hda_intel *hda; struct azx *chip; bool schedule_probe; int err; if (dev >= SNDRV_CARDS) return -ENODEV; if (!enable[dev]) { dev++; return -ENOENT; } err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, 0, &card); if (err < 0) { dev_err(&pci->dev, "Error creating card!\n"); return err; } err = azx_create(card, pci, dev, pci_id->driver_data, &chip); if (err < 0) goto out_free; card->private_data = chip; hda = container_of(chip, struct hda_intel, chip); pci_set_drvdata(pci, card); err = register_vga_switcheroo(chip); if (err < 0) { dev_err(card->dev, "Error registering vga_switcheroo client\n"); goto out_free; } if (check_hdmi_disabled(pci)) { dev_info(card->dev, "VGA controller is disabled\n"); dev_info(card->dev, "Delaying initialization\n"); chip->disabled = true; } schedule_probe = !chip->disabled; #ifdef CONFIG_SND_HDA_PATCH_LOADER if (patch[dev] && *patch[dev]) { dev_info(card->dev, "Applying patch firmware '%s'\n", patch[dev]); err = request_firmware_nowait(THIS_MODULE, true, patch[dev], &pci->dev, GFP_KERNEL, card, azx_firmware_cb); if (err < 0) goto out_free; schedule_probe = false; /* continued in azx_firmware_cb() */ } #endif /* CONFIG_SND_HDA_PATCH_LOADER */ #ifndef CONFIG_SND_HDA_I915 if (CONTROLLER_IN_GPU(pci)) dev_err(card->dev, "Haswell/Broadwell HDMI/DP must build in CONFIG_SND_HDA_I915\n"); #endif if (schedule_probe) schedule_work(&hda->probe_work); dev++; if (chip->disabled) complete_all(&hda->probe_wait); return 0; out_free: snd_card_free(card); return err; } #ifdef CONFIG_PM /* On some boards setting power_save to a non 0 value leads to clicking / * popping sounds when ever we enter/leave powersaving mode. Ideally we would * figure out how to avoid these sounds, but that is not always feasible. * So we keep a list of devices where we disable powersaving as its known * to causes problems on these devices. */ static struct snd_pci_quirk power_save_blacklist[] = { /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ SND_PCI_QUIRK(0x1849, 0xc892, "Asrock B85M-ITX", 0), /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ SND_PCI_QUIRK(0x1849, 0x0397, "Asrock N68C-S UCC", 0), /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ SND_PCI_QUIRK(0x1849, 0x7662, "Asrock H81M-HDS", 0), /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ SND_PCI_QUIRK(0x1043, 0x8733, "Asus Prime X370-Pro", 0), /* https://bugzilla.redhat.com/show_bug.cgi?id=1581607 */ SND_PCI_QUIRK(0x1558, 0x3501, "Clevo W35xSS_370SS", 0), /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ SND_PCI_QUIRK(0x1028, 0x0497, "Dell Precision T3600", 0), /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ /* Note the P55A-UD3 and Z87-D3HP share the subsys id for the HDA dev */ SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte P55A-UD3 / Z87-D3HP", 0), /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ SND_PCI_QUIRK(0x8086, 0x2040, "Intel DZ77BH-55K", 0), /* https://bugzilla.kernel.org/show_bug.cgi?id=199607 */ SND_PCI_QUIRK(0x8086, 0x2057, "Intel NUC5i7RYB", 0), /* https://bugs.launchpad.net/bugs/1821663 */ SND_PCI_QUIRK(0x8086, 0x2064, "Intel SDP 8086:2064", 0), /* https://bugzilla.redhat.com/show_bug.cgi?id=1520902 */ SND_PCI_QUIRK(0x8086, 0x2068, "Intel NUC7i3BNB", 0), /* https://bugzilla.kernel.org/show_bug.cgi?id=198611 */ SND_PCI_QUIRK(0x17aa, 0x2227, "Lenovo X1 Carbon 3rd Gen", 0), /* https://bugzilla.redhat.com/show_bug.cgi?id=1689623 */ SND_PCI_QUIRK(0x17aa, 0x367b, "Lenovo IdeaCentre B550", 0), /* https://bugzilla.redhat.com/show_bug.cgi?id=1572975 */ SND_PCI_QUIRK(0x17aa, 0x36a7, "Lenovo C50 All in one", 0), /* https://bugs.launchpad.net/bugs/1821663 */ SND_PCI_QUIRK(0x1631, 0xe017, "Packard Bell NEC IMEDIA 5204", 0), {} }; #endif /* CONFIG_PM */ static void set_default_power_save(struct azx *chip) { int val = power_save; #ifdef CONFIG_PM if (pm_blacklist) { const struct snd_pci_quirk *q; q = snd_pci_quirk_lookup(chip->pci, power_save_blacklist); if (q && val) { dev_info(chip->card->dev, "device %04x:%04x is on the power_save blacklist, forcing power_save to 0\n", q->subvendor, q->subdevice); val = 0; } } #endif /* CONFIG_PM */ snd_hda_set_power_save(&chip->bus, val * 1000); } /* number of codec slots for each chipset: 0 = default slots (i.e. 4) */ static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] = { [AZX_DRIVER_NVIDIA] = 8, [AZX_DRIVER_TERA] = 1, }; static int azx_probe_continue(struct azx *chip) { struct hda_intel *hda = container_of(chip, struct hda_intel, chip); struct hdac_bus *bus = azx_bus(chip); struct pci_dev *pci = chip->pci; int dev = chip->dev_index; int err; to_hda_bus(bus)->bus_probing = 1; hda->probe_continued = 1; /* bind with i915 if needed */ if (chip->driver_caps & AZX_DCAPS_I915_COMPONENT) { err = snd_hdac_i915_init(bus); if (err < 0) { /* if the controller is bound only with HDMI/DP * (for HSW and BDW), we need to abort the probe; * for other chips, still continue probing as other * codecs can be on the same link. */ if (CONTROLLER_IN_GPU(pci)) { dev_err(chip->card->dev, "HSW/BDW HD-audio HDMI/DP requires binding with gfx driver\n"); goto out_free; } else { /* don't bother any longer */ chip->driver_caps &= ~AZX_DCAPS_I915_COMPONENT; } } /* HSW/BDW controllers need this power */ if (CONTROLLER_IN_GPU(pci)) hda->need_i915_power = 1; } /* Request display power well for the HDA controller or codec. For * Haswell/Broadwell, both the display HDA controller and codec need * this power. For other platforms, like Baytrail/Braswell, only the * display codec needs the power and it can be released after probe. */ display_power(chip, true); err = azx_first_init(chip); if (err < 0) goto out_free; #ifdef CONFIG_SND_HDA_INPUT_BEEP chip->beep_mode = beep_mode[dev]; #endif /* create codec instances */ err = azx_probe_codecs(chip, azx_max_codecs[chip->driver_type]); if (err < 0) goto out_free; #ifdef CONFIG_SND_HDA_PATCH_LOADER if (chip->fw) { err = snd_hda_load_patch(&chip->bus, chip->fw->size, chip->fw->data); if (err < 0) goto out_free; #ifndef CONFIG_PM release_firmware(chip->fw); /* no longer needed */ chip->fw = NULL; #endif } #endif if ((probe_only[dev] & 1) == 0) { err = azx_codec_configure(chip); if (err < 0) goto out_free; } err = snd_card_register(chip->card); if (err < 0) goto out_free; setup_vga_switcheroo_runtime_pm(chip); chip->running = 1; azx_add_card_list(chip); set_default_power_save(chip); if (azx_has_pm_runtime(chip)) pm_runtime_put_autosuspend(&pci->dev); out_free: if (err < 0 || !hda->need_i915_power) display_power(chip, false); if (err < 0) hda->init_failed = 1; complete_all(&hda->probe_wait); to_hda_bus(bus)->bus_probing = 0; return err; } static void azx_remove(struct pci_dev *pci) { struct snd_card *card = pci_get_drvdata(pci); struct azx *chip; struct hda_intel *hda; if (card) { /* cancel the pending probing work */ chip = card->private_data; hda = container_of(chip, struct hda_intel, chip); /* FIXME: below is an ugly workaround. * Both device_release_driver() and driver_probe_device() * take *both* the device's and its parent's lock before * calling the remove() and probe() callbacks. The codec * probe takes the locks of both the codec itself and its * parent, i.e. the PCI controller dev. Meanwhile, when * the PCI controller is unbound, it takes its lock, too * ==> ouch, a deadlock! * As a workaround, we unlock temporarily here the controller * device during cancel_work_sync() call. */ device_unlock(&pci->dev); cancel_work_sync(&hda->probe_work); device_lock(&pci->dev); snd_card_free(card); } } static void azx_shutdown(struct pci_dev *pci) { struct snd_card *card = pci_get_drvdata(pci); struct azx *chip; if (!card) return; chip = card->private_data; if (chip && chip->running) azx_stop_chip(chip); } /* PCI IDs */ static const struct pci_device_id azx_ids[] = { /* CPT */ { PCI_DEVICE(0x8086, 0x1c20), .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM }, /* PBG */ { PCI_DEVICE(0x8086, 0x1d20), .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 }, /* Lynx Point */ { PCI_DEVICE(0x8086, 0x8c20), .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, /* 9 Series */ { PCI_DEVICE(0x8086, 0x8ca0), .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, /* Wellsburg */ { PCI_DEVICE(0x8086, 0x8d20), .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, { PCI_DEVICE(0x8086, 0x8d21), .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, /* Lewisburg */ { PCI_DEVICE(0x8086, 0xa1f0), .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE }, { PCI_DEVICE(0x8086, 0xa270), .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE }, /* Lynx Point-LP */ { PCI_DEVICE(0x8086, 0x9c20), .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, /* Lynx Point-LP */ { PCI_DEVICE(0x8086, 0x9c21), .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, /* Wildcat Point-LP */ { PCI_DEVICE(0x8086, 0x9ca0), .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, /* Sunrise Point */ { PCI_DEVICE(0x8086, 0xa170), .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE }, /* Sunrise Point-LP */ { PCI_DEVICE(0x8086, 0x9d70), .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE }, /* Kabylake */ { PCI_DEVICE(0x8086, 0xa171), .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE }, /* Kabylake-LP */ { PCI_DEVICE(0x8086, 0x9d71), .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE }, /* Kabylake-H */ { PCI_DEVICE(0x8086, 0xa2f0), .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE }, /* Coffelake */ { PCI_DEVICE(0x8086, 0xa348), .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, /* Cannonlake */ { PCI_DEVICE(0x8086, 0x9dc8), .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, /* CometLake-LP */ { PCI_DEVICE(0x8086, 0x02C8), .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, /* CometLake-H */ { PCI_DEVICE(0x8086, 0x06C8), .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, /* Icelake */ { PCI_DEVICE(0x8086, 0x34c8), .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, /* Elkhart Lake */ { PCI_DEVICE(0x8086, 0x4b55), .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE}, /* Broxton-P(Apollolake) */ { PCI_DEVICE(0x8086, 0x5a98), .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON }, /* Broxton-T */ { PCI_DEVICE(0x8086, 0x1a98), .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON }, /* Gemini-Lake */ { PCI_DEVICE(0x8086, 0x3198), .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_BROXTON }, /* Haswell */ { PCI_DEVICE(0x8086, 0x0a0c), .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL }, { PCI_DEVICE(0x8086, 0x0c0c), .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_BROADWELL }, /* 5 Series/3400 */ { PCI_DEVICE(0x8086, 0x3b56), .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM }, /* Poulsbo */ { PCI_DEVICE(0x8086, 0x811b), .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE }, /* Oaktrail */ { PCI_DEVICE(0x8086, 0x080a), .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE }, /* BayTrail */ { PCI_DEVICE(0x8086, 0x0f04), .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BAYTRAIL }, /* Braswell */ { PCI_DEVICE(0x8086, 0x2284), .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BRASWELL }, /* ICH6 */ { PCI_DEVICE(0x8086, 0x2668), .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, /* ICH7 */ { PCI_DEVICE(0x8086, 0x27d8), .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, /* ESB2 */ { PCI_DEVICE(0x8086, 0x269a), .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, /* ICH8 */ { PCI_DEVICE(0x8086, 0x284b), .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, /* ICH9 */ { PCI_DEVICE(0x8086, 0x293e), .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, /* ICH9 */ { PCI_DEVICE(0x8086, 0x293f), .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, /* ICH10 */ { PCI_DEVICE(0x8086, 0x3a3e), .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, /* ICH10 */ { PCI_DEVICE(0x8086, 0x3a6e), .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH }, /* 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 | AZX_DCAPS_NO_ALIGN_BUFSIZE }, /* ATI SB 450/600/700/800/900 */ { PCI_DEVICE(0x1002, 0x437b), .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB }, { PCI_DEVICE(0x1002, 0x4383), .driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB }, /* AMD Hudson */ { PCI_DEVICE(0x1022, 0x780d), .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB }, /* AMD Stoney */ { PCI_DEVICE(0x1022, 0x157a), .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB | AZX_DCAPS_PM_RUNTIME }, /* AMD Raven */ { PCI_DEVICE(0x1022, 0x15e3), .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB | AZX_DCAPS_PM_RUNTIME }, /* ATI HDMI */ { PCI_DEVICE(0x1002, 0x0002), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, { PCI_DEVICE(0x1002, 0x1308), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, { PCI_DEVICE(0x1002, 0x157a), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, { PCI_DEVICE(0x1002, 0x15b3), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, { PCI_DEVICE(0x1002, 0x793b), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0x7919), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0x960f), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0x970f), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0x9840), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, { PCI_DEVICE(0x1002, 0xaa00), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0xaa08), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0xaa10), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0xaa18), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0xaa20), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0xaa28), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0xaa30), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0xaa38), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0xaa40), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0xaa48), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0xaa50), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0xaa58), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0xaa60), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0xaa68), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0xaa80), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0xaa88), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0xaa90), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0xaa98), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0x9902), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, { PCI_DEVICE(0x1002, 0xaaa0), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, { PCI_DEVICE(0x1002, 0xaaa8), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, { PCI_DEVICE(0x1002, 0xaab0), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, { PCI_DEVICE(0x1002, 0xaac0), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, { PCI_DEVICE(0x1002, 0xaac8), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, { PCI_DEVICE(0x1002, 0xaad8), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, { PCI_DEVICE(0x1002, 0xaae8), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, { PCI_DEVICE(0x1002, 0xaae0), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, { PCI_DEVICE(0x1002, 0xaaf0), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, /* VIA VT8251/VT8237A */ { PCI_DEVICE(0x1106, 0x3288), .driver_data = AZX_DRIVER_VIA }, /* VIA GFX VT7122/VX900 */ { PCI_DEVICE(0x1106, 0x9170), .driver_data = AZX_DRIVER_GENERIC }, /* VIA GFX VT6122/VX11 */ { PCI_DEVICE(0x1106, 0x9140), .driver_data = AZX_DRIVER_GENERIC }, /* SIS966 */ { PCI_DEVICE(0x1039, 0x7502), .driver_data = AZX_DRIVER_SIS }, /* ULI M5461 */ { PCI_DEVICE(0x10b9, 0x5461), .driver_data = AZX_DRIVER_ULI }, /* NVIDIA MCP */ { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID), .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8, .class_mask = 0xffffff, .driver_data = AZX_DRIVER_NVIDIA | AZX_DCAPS_PRESET_NVIDIA }, /* Teradici */ { PCI_DEVICE(0x6549, 0x1200), .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT }, { PCI_DEVICE(0x6549, 0x2200), .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT }, /* Creative X-Fi (CA0110-IBG) */ /* CTHDA chips */ { PCI_DEVICE(0x1102, 0x0010), .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA }, { PCI_DEVICE(0x1102, 0x0012), .driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA }, #if !IS_ENABLED(CONFIG_SND_CTXFI) /* the following entry conflicts with snd-ctxfi driver, * as ctxfi driver mutates from HD-audio to native mode with * a special command sequence. */ { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_ANY_ID), .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8, .class_mask = 0xffffff, .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND | AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB }, #else /* this entry seems still valid -- i.e. without emu20kx chip */ { PCI_DEVICE(0x1102, 0x0009), .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND | AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB }, #endif /* CM8888 */ { PCI_DEVICE(0x13f6, 0x5011), .driver_data = AZX_DRIVER_CMEDIA | AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB | AZX_DCAPS_SNOOP_OFF }, /* Vortex86MX */ { PCI_DEVICE(0x17f3, 0x3010), .driver_data = AZX_DRIVER_GENERIC }, /* VMware HDAudio */ { PCI_DEVICE(0x15ad, 0x1977), .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, .class_mask = 0xffffff, .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_ANY_ID), .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8, .class_mask = 0xffffff, .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI }, { 0, } }; MODULE_DEVICE_TABLE(pci, azx_ids); /* pci_driver definition */ static struct pci_driver azx_driver = { .name = KBUILD_MODNAME, .id_table = azx_ids, .probe = azx_probe, .remove = azx_remove, .shutdown = azx_shutdown, .driver = { .pm = AZX_PM_OPS, }, }; module_pci_driver(azx_driver);