/* * * 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 * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free * Software Foundation; either version 2 of the License, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., 59 * Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * 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 #include #ifdef CONFIG_X86 /* for snoop control */ #include #include #endif #include #include #include #include #include #include "hda_codec.h" #include "hda_i915.h" #include "hda_controller.h" #include "hda_priv.h" 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 bool single_cmd; 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)."); 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, bool, 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 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; static int *power_save_addr = &power_save; module_param(power_save, xint, 0644); MODULE_PARM_DESC(power_save, "Automatic power-saving timeout " "(in second, 0 = disable)."); /* 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 static int *power_save_addr; #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 bool hda_snoop = true; module_param_named(snoop, hda_snoop, bool, 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, 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_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_GENERIC, AZX_NUM_DRIVERS, /* keep this as last entry */ }; /* quirks for Intel PCH */ #define AZX_DCAPS_INTEL_PCH_NOPM \ (AZX_DCAPS_SCH_SNOOP | AZX_DCAPS_BUFSIZE | \ AZX_DCAPS_COUNT_LPIB_DELAY) #define AZX_DCAPS_INTEL_PCH \ (AZX_DCAPS_INTEL_PCH_NOPM | AZX_DCAPS_PM_RUNTIME) #define AZX_DCAPS_INTEL_HASWELL \ (AZX_DCAPS_SCH_SNOOP | AZX_DCAPS_ALIGN_BUFSIZE | \ AZX_DCAPS_COUNT_LPIB_DELAY | AZX_DCAPS_PM_RUNTIME | \ AZX_DCAPS_I915_POWERWELL) /* quirks for ATI SB / AMD Hudson */ #define AZX_DCAPS_PRESET_ATI_SB \ (AZX_DCAPS_ATI_SNOOP | AZX_DCAPS_NO_TCSEL | \ AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB) /* quirks for ATI/AMD HDMI */ #define AZX_DCAPS_PRESET_ATI_HDMI \ (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB) /* quirks for Nvidia */ #define AZX_DCAPS_PRESET_NVIDIA \ (AZX_DCAPS_NVIDIA_SNOOP | AZX_DCAPS_RIRB_DELAY | AZX_DCAPS_NO_MSI |\ AZX_DCAPS_ALIGN_BUFSIZE | AZX_DCAPS_NO_64BIT) #define AZX_DCAPS_PRESET_CTHDA \ (AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB | AZX_DCAPS_4K_BDLE_BOUNDARY) /* * VGA-switcher support */ #ifdef SUPPORT_VGA_SWITCHEROO #define use_vga_switcheroo(chip) ((chip)->use_vga_switcheroo) #else #define use_vga_switcheroo(chip) 0 #endif static char *driver_short_names[] = { [AZX_DRIVER_ICH] = "HDA Intel", [AZX_DRIVER_PCH] = "HDA Intel PCH", [AZX_DRIVER_SCH] = "HDA Intel MID", [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_GENERIC] = "HD-Audio Generic", }; #ifdef CONFIG_X86 static void __mark_pages_wc(struct azx *chip, struct snd_dma_buffer *dmab, bool on) { int pages; if (azx_snoop(chip)) return; if (!dmab || !dmab->area || !dmab->bytes) return; #ifdef CONFIG_SND_DMA_SGBUF if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_SG) { struct snd_sg_buf *sgbuf = dmab->private_data; if (on) set_pages_array_wc(sgbuf->page_table, sgbuf->pages); else set_pages_array_wb(sgbuf->page_table, sgbuf->pages); return; } #endif pages = (dmab->bytes + PAGE_SIZE - 1) >> PAGE_SHIFT; if (on) set_memory_wc((unsigned long)dmab->area, pages); else set_memory_wb((unsigned long)dmab->area, pages); } static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf, bool on) { __mark_pages_wc(chip, buf, on); } static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev, struct snd_pcm_substream *substream, bool on) { if (azx_dev->wc_marked != on) { __mark_pages_wc(chip, snd_pcm_get_dma_buf(substream), on); azx_dev->wc_marked = on; } } #else /* NOP for other archs */ static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf, bool on) { } static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev, struct snd_pcm_substream *substream, bool on) { } #endif static int azx_acquire_irq(struct azx *chip, int do_disconnect); #ifdef CONFIG_PM static void azx_power_notify(struct hda_bus *bus, bool power_up); #endif /* * 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) { /* 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, ICH6_PCIREG_TCSEL, 0x07, 0); } /* For ATI SB450/600/700/800/900 and AMD Hudson azalia HD audio, * we need to enable snoop. */ if (chip->driver_caps & AZX_DCAPS_ATI_SNOOP) { 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 (chip->driver_caps & AZX_DCAPS_NVIDIA_SNOOP) { 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 (chip->driver_caps & AZX_DCAPS_SCH_SNOOP) { 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"); } } 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) { int ok; ok = azx_position_ok(chip, azx_dev); if (ok == 1) { azx_dev->irq_pending = 0; return ok; } 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); } return 0; } /* * Probe the given codec address */ static int probe_codec(struct azx *chip, int addr) { unsigned int cmd = (addr << 28) | (AC_NODE_ROOT << 20) | (AC_VERB_PARAMETERS << 8) | AC_PAR_VENDOR_ID; unsigned int res; mutex_lock(&chip->bus->cmd_mutex); chip->probing = 1; azx_send_cmd(chip->bus, cmd); res = azx_get_response(chip->bus, addr); chip->probing = 0; mutex_unlock(&chip->bus->cmd_mutex); if (res == -1) return -EIO; dev_dbg(chip->card->dev, "codec #%d probed OK\n", addr); return 0; } static void azx_bus_reset(struct hda_bus *bus) { struct azx *chip = bus->private_data; bus->in_reset = 1; azx_stop_chip(chip); azx_init_chip(chip, 1); #ifdef CONFIG_PM if (chip->initialized) { struct azx_pcm *p; list_for_each_entry(p, &chip->pcm_list, list) snd_pcm_suspend_all(p->pcm); snd_hda_suspend(chip->bus); snd_hda_resume(chip->bus); } #endif bus->in_reset = 0; } static int get_jackpoll_interval(struct azx *chip) { int i; unsigned int j; if (!chip->jackpoll_ms) return 0; i = chip->jackpoll_ms[chip->dev_index]; if (i == 0) return 0; if (i < 50 || i > 60000) j = 0; else j = msecs_to_jiffies(i); if (j == 0) dev_warn(chip->card->dev, "jackpoll_ms value out of range: %d\n", i); return j; } /* * Codec initialization */ static int azx_codec_create(struct azx *chip, const char *model, unsigned int max_slots, int *power_save_to) { struct hda_bus_template bus_temp; int c, codecs, err; memset(&bus_temp, 0, sizeof(bus_temp)); bus_temp.private_data = chip; bus_temp.modelname = model; bus_temp.pci = chip->pci; bus_temp.ops.command = azx_send_cmd; bus_temp.ops.get_response = azx_get_response; bus_temp.ops.attach_pcm = azx_attach_pcm_stream; bus_temp.ops.bus_reset = azx_bus_reset; #ifdef CONFIG_PM bus_temp.power_save = power_save_to; bus_temp.ops.pm_notify = azx_power_notify; #endif #ifdef CONFIG_SND_HDA_DSP_LOADER bus_temp.ops.load_dsp_prepare = azx_load_dsp_prepare; bus_temp.ops.load_dsp_trigger = azx_load_dsp_trigger; bus_temp.ops.load_dsp_cleanup = azx_load_dsp_cleanup; #endif err = snd_hda_bus_new(chip->card, &bus_temp, &chip->bus); if (err < 0) return err; if (chip->driver_caps & AZX_DCAPS_RIRB_DELAY) { dev_dbg(chip->card->dev, "Enable delay in RIRB handling\n"); chip->bus->needs_damn_long_delay = 1; } codecs = 0; if (!max_slots) max_slots = AZX_DEFAULT_CODECS; /* First try to probe all given codec slots */ for (c = 0; c < max_slots; c++) { if ((chip->codec_mask & (1 << c)) & chip->codec_probe_mask) { if (probe_codec(chip, c) < 0) { /* Some BIOSen give you wrong codec addresses * that don't exist */ dev_warn(chip->card->dev, "Codec #%d probe error; disabling it...\n", c); chip->codec_mask &= ~(1 << c); /* More badly, accessing to a non-existing * codec often screws up the controller chip, * and disturbs the further communications. * Thus if an error occurs during probing, * better to reset the controller chip to * get back to the sanity state. */ azx_stop_chip(chip); azx_init_chip(chip, 1); } } } /* AMD chipsets often cause the communication stalls upon certain * sequence like the pin-detection. It seems that forcing the synced * access works around the stall. Grrr... */ if (chip->driver_caps & AZX_DCAPS_SYNC_WRITE) { dev_dbg(chip->card->dev, "Enable sync_write for stable communication\n"); chip->bus->sync_write = 1; chip->bus->allow_bus_reset = 1; } /* Then create codec instances */ for (c = 0; c < max_slots; c++) { if ((chip->codec_mask & (1 << c)) & chip->codec_probe_mask) { struct hda_codec *codec; err = snd_hda_codec_new(chip->bus, c, &codec); if (err < 0) continue; codec->jackpoll_interval = get_jackpoll_interval(chip); codec->beep_mode = chip->beep_mode; codecs++; } } if (!codecs) { dev_err(chip->card->dev, "no codecs initialized\n"); return -ENXIO; } return 0; } /* configure each codec instance */ static int azx_codec_configure(struct azx *chip) { struct hda_codec *codec; list_for_each_entry(codec, &chip->bus->codec_list, list) { snd_hda_codec_configure(codec); } return 0; } /* * 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) { u32 wallclk; unsigned int pos; wallclk = azx_readl(chip, WALLCLK) - azx_dev->start_wallclk; if (wallclk < (azx_dev->period_wallclk * 2) / 3) return -1; /* bogus (too early) interrupt */ pos = azx_get_position(chip, azx_dev, true); if (WARN_ONCE(!azx_dev->period_bytes, "hda-intel: zero azx_dev->period_bytes")) return -1; /* this shouldn't happen! */ if (wallclk < (azx_dev->period_wallclk * 5) / 4 && pos % azx_dev->period_bytes > azx_dev->period_bytes / 2) /* NG - it's below the first next period boundary */ return chip->bdl_pos_adj[chip->dev_index] ? 0 : -1; azx_dev->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 azx *chip = container_of(work, struct azx, irq_pending_work); int i, pending, ok; if (!chip->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; } for (;;) { pending = 0; spin_lock_irq(&chip->reg_lock); for (i = 0; i < chip->num_streams; i++) { struct azx_dev *azx_dev = &chip->azx_dev[i]; if (!azx_dev->irq_pending || !azx_dev->substream || !azx_dev->running) continue; ok = azx_position_ok(chip, azx_dev); if (ok > 0) { azx_dev->irq_pending = 0; spin_unlock(&chip->reg_lock); snd_pcm_period_elapsed(azx_dev->substream); spin_lock(&chip->reg_lock); } else if (ok < 0) { pending = 0; /* too early */ } else pending++; } spin_unlock_irq(&chip->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) { int i; spin_lock_irq(&chip->reg_lock); for (i = 0; i < chip->num_streams; i++) chip->azx_dev[i].irq_pending = 0; spin_unlock_irq(&chip->reg_lock); } /* * mixer creation - all stuff is implemented in hda module */ static int azx_mixer_create(struct azx *chip) { return snd_hda_build_controls(chip->bus); } /* * initialize SD streams */ static int azx_init_stream(struct azx *chip) { int i; /* initialize each stream (aka device) * assign the starting bdl address to each stream (device) * and initialize */ for (i = 0; i < chip->num_streams; i++) { struct azx_dev *azx_dev = &chip->azx_dev[i]; azx_dev->posbuf = (u32 __iomem *)(chip->posbuf.area + i * 8); /* offset: SDI0=0x80, SDI1=0xa0, ... SDO3=0x160 */ azx_dev->sd_addr = chip->remap_addr + (0x20 * i + 0x80); /* int mask: SDI0=0x01, SDI1=0x02, ... SDO3=0x80 */ azx_dev->sd_int_sta_mask = 1 << i; /* stream tag: must be non-zero and unique */ azx_dev->index = i; azx_dev->stream_tag = i + 1; } return 0; } static int azx_acquire_irq(struct azx *chip, int do_disconnect) { if (request_irq(chip->pci->irq, azx_interrupt, chip->msi ? 0 : IRQF_SHARED, KBUILD_MODNAME, 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; } chip->irq = chip->pci->irq; pci_intx(chip->pci, !chip->msi); return 0; } #ifdef CONFIG_PM /* power-up/down the controller */ static void azx_power_notify(struct hda_bus *bus, bool power_up) { struct azx *chip = bus->private_data; if (!(chip->driver_caps & AZX_DCAPS_PM_RUNTIME)) return; if (power_up) pm_runtime_get_sync(chip->card->dev); else pm_runtime_put_sync(chip->card->dev); } static DEFINE_MUTEX(card_list_lock); static LIST_HEAD(card_list); static void azx_add_card_list(struct azx *chip) { mutex_lock(&card_list_lock); list_add(&chip->list, &card_list); mutex_unlock(&card_list_lock); } static void azx_del_card_list(struct azx *chip) { mutex_lock(&card_list_lock); list_del_init(&chip->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 azx *chip; struct hda_codec *c; 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(chip, &card_list, list) { if (!chip->bus || chip->disabled) continue; list_for_each_entry(c, &chip->bus->codec_list, list) snd_hda_power_sync(c); } mutex_unlock(&card_list_lock); return 0; } #else #define azx_add_card_list(chip) /* NOP */ #define azx_del_card_list(chip) /* NOP */ #endif /* CONFIG_PM */ #if defined(CONFIG_PM_SLEEP) || defined(SUPPORT_VGA_SWITCHEROO) /* * power management */ 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_pcm *p; if (chip->disabled) return 0; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); azx_clear_irq_pending(chip); list_for_each_entry(p, &chip->pcm_list, list) snd_pcm_suspend_all(p->pcm); if (chip->initialized) snd_hda_suspend(chip->bus); azx_stop_chip(chip); azx_enter_link_reset(chip); if (chip->irq >= 0) { free_irq(chip->irq, chip); chip->irq = -1; } if (chip->msi) pci_disable_msi(chip->pci); pci_disable_device(pci); pci_save_state(pci); pci_set_power_state(pci, PCI_D3hot); if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) hda_display_power(false); return 0; } 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; if (chip->disabled) return 0; if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) hda_display_power(true); pci_set_power_state(pci, PCI_D0); pci_restore_state(pci); if (pci_enable_device(pci) < 0) { dev_err(chip->card->dev, "pci_enable_device failed, disabling device\n"); snd_card_disconnect(card); return -EIO; } pci_set_master(pci); if (chip->msi) if (pci_enable_msi(pci) < 0) chip->msi = 0; if (azx_acquire_irq(chip, 1) < 0) return -EIO; azx_init_pci(chip); azx_init_chip(chip, 1); snd_hda_resume(chip->bus); snd_power_change_state(card, SNDRV_CTL_POWER_D0); return 0; } #endif /* CONFIG_PM_SLEEP || SUPPORT_VGA_SWITCHEROO */ #ifdef CONFIG_PM_RUNTIME static int azx_runtime_suspend(struct device *dev) { struct snd_card *card = dev_get_drvdata(dev); struct azx *chip = card->private_data; if (chip->disabled) return 0; if (!(chip->driver_caps & AZX_DCAPS_PM_RUNTIME)) return 0; /* enable controller wake up event */ azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) | STATESTS_INT_MASK); azx_stop_chip(chip); azx_enter_link_reset(chip); azx_clear_irq_pending(chip); if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) hda_display_power(false); return 0; } static int azx_runtime_resume(struct device *dev) { struct snd_card *card = dev_get_drvdata(dev); struct azx *chip = card->private_data; struct hda_bus *bus; struct hda_codec *codec; int status; if (chip->disabled) return 0; if (!(chip->driver_caps & AZX_DCAPS_PM_RUNTIME)) return 0; if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) hda_display_power(true); /* Read STATESTS before controller reset */ status = azx_readw(chip, STATESTS); azx_init_pci(chip); azx_init_chip(chip, 1); bus = chip->bus; if (status && bus) { list_for_each_entry(codec, &bus->codec_list, list) if (status & (1 << codec->addr)) queue_delayed_work(codec->bus->workq, &codec->jackpoll_work, codec->jackpoll_interval); } /* disable controller Wake Up event*/ azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) & ~STATESTS_INT_MASK); return 0; } static int azx_runtime_idle(struct device *dev) { struct snd_card *card = dev_get_drvdata(dev); struct azx *chip = card->private_data; if (chip->disabled) return 0; if (!power_save_controller || !(chip->driver_caps & AZX_DCAPS_PM_RUNTIME)) return -EBUSY; return 0; } #endif /* CONFIG_PM_RUNTIME */ #ifdef CONFIG_PM static const struct dev_pm_ops azx_pm = { SET_SYSTEM_SLEEP_PM_OPS(azx_suspend, azx_resume) SET_RUNTIME_PM_OPS(azx_runtime_suspend, azx_runtime_resume, azx_runtime_idle) }; #define AZX_PM_OPS &azx_pm #else #define AZX_PM_OPS NULL #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 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; bool disabled; wait_for_completion(&chip->probe_wait); if (chip->init_failed) return; disabled = (state == VGA_SWITCHEROO_OFF); if (chip->disabled == disabled) return; if (!chip->bus) { 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"); chip->init_failed = true; } } } else { dev_info(chip->card->dev, "%s via VGA-switcheroo\n", disabled ? "Disabling" : "Enabling"); if (disabled) { pm_runtime_put_sync_suspend(card->dev); azx_suspend(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); pm_runtime_get_noresume(card->dev); chip->disabled = false; azx_resume(card->dev); } } } static bool azx_vs_can_switch(struct pci_dev *pci) { struct snd_card *card = pci_get_drvdata(pci); struct azx *chip = card->private_data; wait_for_completion(&chip->probe_wait); if (chip->init_failed) return false; if (chip->disabled || !chip->bus) return true; if (snd_hda_lock_devices(chip->bus)) return false; snd_hda_unlock_devices(chip->bus); return true; } static void init_vga_switcheroo(struct azx *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; 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, }; static int register_vga_switcheroo(struct azx *chip) { int err; if (!chip->use_vga_switcheroo) return 0; /* FIXME: currently only handling DIS controller * is there any machine with two switchable HDMI audio controllers? */ err = vga_switcheroo_register_audio_client(chip->pci, &azx_vs_ops, VGA_SWITCHEROO_DIS, chip->bus != NULL); if (err < 0) return err; chip->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); return 0; } #else #define init_vga_switcheroo(chip) /* NOP */ #define register_vga_switcheroo(chip) 0 #define check_hdmi_disabled(pci) false #endif /* SUPPORT_VGA_SWITCHER */ /* * destructor */ static int azx_free(struct azx *chip) { struct pci_dev *pci = chip->pci; int i; if ((chip->driver_caps & AZX_DCAPS_PM_RUNTIME) && chip->running) pm_runtime_get_noresume(&pci->dev); azx_del_card_list(chip); azx_notifier_unregister(chip); chip->init_failed = 1; /* to be sure */ complete_all(&chip->probe_wait); if (use_vga_switcheroo(chip)) { if (chip->disabled && chip->bus) snd_hda_unlock_devices(chip->bus); if (chip->vga_switcheroo_registered) vga_switcheroo_unregister_client(chip->pci); } if (chip->initialized) { azx_clear_irq_pending(chip); for (i = 0; i < chip->num_streams; i++) azx_stream_stop(chip, &chip->azx_dev[i]); azx_stop_chip(chip); } if (chip->irq >= 0) free_irq(chip->irq, (void*)chip); if (chip->msi) pci_disable_msi(chip->pci); if (chip->remap_addr) iounmap(chip->remap_addr); azx_free_stream_pages(chip); if (chip->region_requested) pci_release_regions(chip->pci); pci_disable_device(chip->pci); kfree(chip->azx_dev); #ifdef CONFIG_SND_HDA_PATCH_LOADER if (chip->fw) release_firmware(chip->fw); #endif if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) { hda_display_power(false); hda_i915_exit(); } kfree(chip); 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 >> 8) == PCI_CLASS_DISPLAY_VGA) 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: 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_caps & AZX_DCAPS_POSFIX_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; } return POS_FIX_AUTO; } /* * 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)) { chip->codec_mask = chip->codec_probe_mask & 0xff; dev_info(chip->card->dev, "codec_mask forced to 0x%x\n", 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) { bool snoop = chip->snoop; switch (chip->driver_type) { case AZX_DRIVER_VIA: /* force to non-snoop mode for a new VIA controller * when BIOS is set */ if (snoop) { u8 val; pci_read_config_byte(chip->pci, 0x42, &val); if (!(val & 0x80) && chip->pci->revision == 0x30) snoop = false; } break; case AZX_DRIVER_ATIHDMI_NS: /* new ATI HDMI requires non-snoop */ snoop = false; break; case AZX_DRIVER_CTHDA: snoop = false; break; } if (snoop != chip->snoop) { dev_info(chip->card->dev, "Force to %s mode\n", snoop ? "snoop" : "non-snoop"); chip->snoop = snoop; } } static void azx_probe_work(struct work_struct *work) { azx_probe_continue(container_of(work, struct azx, probe_work)); } /* * constructor */ static int azx_create(struct snd_card *card, struct pci_dev *pci, int dev, unsigned int driver_caps, const struct hda_controller_ops *hda_ops, struct azx **rchip) { static struct snd_device_ops ops = { .dev_free = azx_dev_free, }; struct azx *chip; int err; *rchip = NULL; err = pci_enable_device(pci); if (err < 0) return err; chip = kzalloc(sizeof(*chip), GFP_KERNEL); if (!chip) { dev_err(card->dev, "Cannot allocate chip\n"); pci_disable_device(pci); return -ENOMEM; } spin_lock_init(&chip->reg_lock); mutex_init(&chip->open_mutex); chip->card = card; chip->pci = pci; chip->ops = hda_ops; chip->irq = -1; chip->driver_caps = driver_caps; chip->driver_type = driver_caps & 0xff; 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_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; } check_probe_mask(chip, dev); chip->single_cmd = single_cmd; chip->snoop = hda_snoop; azx_check_snoop_available(chip); if (bdl_pos_adj[dev] < 0) { switch (chip->driver_type) { case AZX_DRIVER_ICH: case AZX_DRIVER_PCH: bdl_pos_adj[dev] = 1; break; default: bdl_pos_adj[dev] = 32; break; } } chip->bdl_pos_adj = bdl_pos_adj; 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(&chip->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; int err; unsigned short gcap; #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; chip->addr = pci_resource_start(pci, 0); chip->remap_addr = pci_ioremap_bar(pci, 0); if (chip->remap_addr == NULL) { dev_err(card->dev, "ioremap error\n"); return -ENXIO; } if (chip->msi) if (pci_enable_msi(pci) < 0) chip->msi = 0; if (azx_acquire_irq(chip, 0) < 0) return -EBUSY; pci_set_master(pci); synchronize_irq(chip->irq); gcap = azx_readw(chip, GCAP); dev_dbg(card->dev, "chipset global capabilities = 0x%x\n", gcap); /* disable SB600 64bit support for safety */ if (chip->pci->vendor == PCI_VENDOR_ID_ATI) { struct pci_dev *p_smbus; 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 &= ~ICH6_GCAP_64OK; pci_dev_put(p_smbus); } } /* 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; } /* 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_BUFSIZE) chip->align_buffer_size = 0; else if (chip->driver_caps & AZX_DCAPS_ALIGN_BUFSIZE) chip->align_buffer_size = 1; else chip->align_buffer_size = 1; } /* allow 64bit DMA address if supported by H/W */ if ((gcap & ICH6_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)); pci_set_consistent_dma_mask(pci, 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; chip->azx_dev = kcalloc(chip->num_streams, sizeof(*chip->azx_dev), GFP_KERNEL); if (!chip->azx_dev) { dev_err(card->dev, "cannot malloc azx_dev\n"); return -ENOMEM; } err = azx_alloc_stream_pages(chip); if (err < 0) return err; /* initialize streams */ azx_init_stream(chip); /* initialize chip */ azx_init_pci(chip); azx_init_chip(chip, (probe_only[dev] & 2) == 0); /* codec detection */ if (!chip->codec_mask) { dev_err(card->dev, "no codecs found!\n"); return -ENODEV; } 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, chip->addr, chip->irq); return 0; } static void power_down_all_codecs(struct azx *chip) { #ifdef CONFIG_PM /* The codecs were powered up in snd_hda_codec_new(). * Now all initialization done, so turn them down if possible */ struct hda_codec *codec; list_for_each_entry(codec, &chip->bus->codec_list, list) { snd_hda_power_down(codec); } #endif } #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 *addr) { writel(value, addr); } static u32 pci_azx_readl(u32 *addr) { return readl(addr); } static void pci_azx_writew(u16 value, u16 *addr) { writew(value, addr); } static u16 pci_azx_readw(u16 *addr) { return readw(addr); } static void pci_azx_writeb(u8 value, u8 *addr) { writeb(value, addr); } static u8 pci_azx_readb(u8 *addr) { return readb(addr); } static int disable_msi_reset_irq(struct azx *chip) { int err; free_irq(chip->irq, chip); chip->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 azx *chip, int type, size_t size, struct snd_dma_buffer *buf) { int err; err = snd_dma_alloc_pages(type, chip->card->dev, size, buf); if (err < 0) return err; mark_pages_wc(chip, buf, true); return 0; } static void dma_free_pages(struct azx *chip, struct snd_dma_buffer *buf) { mark_pages_wc(chip, buf, false); snd_dma_free_pages(buf); } static int substream_alloc_pages(struct azx *chip, struct snd_pcm_substream *substream, size_t size) { struct azx_dev *azx_dev = get_azx_dev(substream); int ret; mark_runtime_wc(chip, azx_dev, substream, false); azx_dev->bufsize = 0; azx_dev->period_bytes = 0; azx_dev->format_val = 0; ret = snd_pcm_lib_malloc_pages(substream, size); if (ret < 0) return ret; mark_runtime_wc(chip, azx_dev, substream, true); return 0; } static int substream_free_pages(struct azx *chip, struct snd_pcm_substream *substream) { struct azx_dev *azx_dev = get_azx_dev(substream); mark_runtime_wc(chip, azx_dev, substream, false); return snd_pcm_lib_free_pages(substream); } 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 (!azx_snoop(chip)) area->vm_page_prot = pgprot_writecombine(area->vm_page_prot); #endif } static const struct hda_controller_ops pci_hda_ops = { .writel = pci_azx_writel, .readl = pci_azx_readl, .writew = pci_azx_writew, .readw = pci_azx_readw, .writeb = pci_azx_writeb, .readb = pci_azx_readb, .disable_msi_reset_irq = disable_msi_reset_irq, .dma_alloc_pages = dma_alloc_pages, .dma_free_pages = dma_free_pages, .substream_alloc_pages = substream_alloc_pages, .substream_free_pages = substream_free_pages, .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 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, &pci_hda_ops, &chip); if (err < 0) goto out_free; card->private_data = 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 (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) dev_err(card->dev, "Haswell must build in CONFIG_SND_HDA_I915\n"); #endif if (schedule_probe) schedule_work(&chip->probe_work); dev++; if (chip->disabled) complete_all(&chip->probe_wait); return 0; out_free: snd_card_free(card); return err; } /* 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 pci_dev *pci = chip->pci; int dev = chip->dev_index; int err; /* Request power well for Haswell HDA controller and codec */ if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) { #ifdef CONFIG_SND_HDA_I915 err = hda_i915_init(); if (err < 0) { dev_err(chip->card->dev, "Error request power-well from i915\n"); goto out_free; } #endif hda_display_power(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_codec_create(chip, model[dev], azx_max_codecs[chip->driver_type], power_save_addr); 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; } /* create PCM streams */ err = snd_hda_build_pcms(chip->bus); if (err < 0) goto out_free; /* create mixer controls */ err = azx_mixer_create(chip); if (err < 0) goto out_free; err = snd_card_register(chip->card); if (err < 0) goto out_free; chip->running = 1; 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) pm_runtime_put_noidle(&pci->dev); out_free: if (err < 0) chip->init_failed = 1; complete_all(&chip->probe_wait); return err; } static void azx_remove(struct pci_dev *pci) { struct snd_card *card = pci_get_drvdata(pci); if (card) snd_card_free(card); } /* PCI IDs */ static DEFINE_PCI_DEVICE_TABLE(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 }, /* Lynx Point */ { PCI_DEVICE(0x8086, 0x8c20), .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 }, /* 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 }, /* 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_HASWELL }, /* 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_NOPM }, /* Oaktrail */ { PCI_DEVICE(0x8086, 0x080a), .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM }, /* BayTrail */ { PCI_DEVICE(0x8086, 0x0f04), .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM }, /* ICH */ { PCI_DEVICE(0x8086, 0x2668), .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC | AZX_DCAPS_BUFSIZE }, /* ICH6 */ { PCI_DEVICE(0x8086, 0x27d8), .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC | AZX_DCAPS_BUFSIZE }, /* ICH7 */ { PCI_DEVICE(0x8086, 0x269a), .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC | AZX_DCAPS_BUFSIZE }, /* ESB2 */ { PCI_DEVICE(0x8086, 0x284b), .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC | AZX_DCAPS_BUFSIZE }, /* ICH8 */ { PCI_DEVICE(0x8086, 0x293e), .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC | AZX_DCAPS_BUFSIZE }, /* ICH9 */ { PCI_DEVICE(0x8086, 0x293f), .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC | AZX_DCAPS_BUFSIZE }, /* ICH9 */ { PCI_DEVICE(0x8086, 0x3a3e), .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC | AZX_DCAPS_BUFSIZE }, /* ICH10 */ { PCI_DEVICE(0x8086, 0x3a6e), .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC | AZX_DCAPS_BUFSIZE }, /* ICH10 */ /* 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_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 }, /* ATI HDMI */ { 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, 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 }, { PCI_DEVICE(0x1002, 0xaaa0), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0xaaa8), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0xaab0), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI }, /* VIA VT8251/VT8237A */ { PCI_DEVICE(0x1106, 0x3288), .driver_data = AZX_DRIVER_VIA | AZX_DCAPS_POSFIX_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_RIRB_PRE_DELAY | 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_RIRB_PRE_DELAY | AZX_DCAPS_POSFIX_LPIB }, #endif /* 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, .driver = { .pm = AZX_PM_OPS, }, }; module_pci_driver(azx_driver);