diff options
Diffstat (limited to 'sound/pci/hda/hda_intel.c')
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 2849 |
1 files changed, 2849 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c new file mode 100644 index 000000000..686f0fed6 --- /dev/null +++ b/sound/pci/hda/hda_intel.c @@ -0,0 +1,2849 @@ +/* + * + * 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 <tiwai@suse.de> + * PeiSen Hou <pshou@realtek.com.tw> + * + * 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 <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/dma-mapping.h> +#include <linux/moduleparam.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/pci.h> +#include <linux/mutex.h> +#include <linux/io.h> +#include <linux/pm_runtime.h> +#include <linux/clocksource.h> +#include <linux/time.h> +#include <linux/completion.h> + +#ifdef CONFIG_X86 +/* for snoop control */ +#include <asm/pgtable.h> +#include <asm/set_memory.h> +#include <asm/cpufeature.h> +#endif +#include <sound/core.h> +#include <sound/initval.h> +#include <sound/hdaudio.h> +#include <sound/hda_i915.h> +#include <linux/vgaarb.h> +#include <linux/vga_switcheroo.h> +#include <linux/firmware.h> +#include "hda_codec.h" +#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, + POS_FIX_FIFO, +}; + +/* 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+, 6 = FIFO)."); +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_I915_POWERWELL | 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_I915_POWERWELL | AZX_DCAPS_SNOOP_TYPE(SCH)) + +#define AZX_DCAPS_INTEL_BAYTRAIL \ + (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_I915_COMPONENT |\ + AZX_DCAPS_I915_POWERWELL) + +#define AZX_DCAPS_INTEL_BRASWELL \ + (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME |\ + AZX_DCAPS_I915_COMPONENT | AZX_DCAPS_I915_POWERWELL) + +#define AZX_DCAPS_INTEL_SKYLAKE \ + (AZX_DCAPS_INTEL_PCH_BASE | AZX_DCAPS_PM_RUNTIME |\ + AZX_DCAPS_SYNC_WRITE |\ + AZX_DCAPS_SEPARATE_STREAM_TAG | AZX_DCAPS_I915_COMPONENT |\ + AZX_DCAPS_I915_POWERWELL) + +#define AZX_DCAPS_INTEL_BROXTON AZX_DCAPS_INTEL_SKYLAKE + +/* 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 AMD SB */ +#define AZX_DCAPS_PRESET_AMD_SB \ + (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_AMD_WORKAROUND |\ + AZX_DCAPS_SNOOP_TYPE(ATI) | AZX_DCAPS_PM_RUNTIME) + +/* 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", +}; + +#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 (!chip->uc_buffer) + return; /* deal with only CORB/RIRB buffers */ + 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); +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; + + if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) + 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); + } + if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) + 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; +} + +/* Enable/disable i915 display power for the link */ +static int azx_intel_link_power(struct azx *chip, bool enable) +{ + struct hdac_bus *bus = azx_bus(chip); + + return snd_hdac_display_power(bus, 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. + * + * Returns 1 if OK to proceed, 0 for delay handling, -1 for skipping update + */ +static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev) +{ + struct snd_pcm_substream *substream = azx_dev->core.substream; + struct snd_pcm_runtime *runtime = substream->runtime; + int stream = substream->stream; + u32 wallclk; + unsigned int pos; + snd_pcm_uframes_t hwptr, target; + + 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; + + if (azx_dev->core.no_period_wakeup) + return 1; /* OK, no need to check period boundary */ + + if (runtime->hw_ptr_base != runtime->hw_ptr_interrupt) + return 1; /* OK, already in hwptr updating process */ + + /* check whether the period gets really elapsed */ + pos = bytes_to_frames(runtime, pos); + hwptr = runtime->hw_ptr_base + pos; + if (hwptr < runtime->status->hw_ptr) + hwptr += runtime->buffer_size; + target = runtime->hw_ptr_interrupt + runtime->period_size; + if (hwptr < target) { + /* too early wakeup, process it later */ + return chip->bdl_pos_adj ? 0 : -1; + } + + 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; +} + +#define AMD_FIFO_SIZE 32 + +/* get the current DMA position with FIFO size correction */ +static unsigned int azx_get_pos_fifo(struct azx *chip, struct azx_dev *azx_dev) +{ + struct snd_pcm_substream *substream = azx_dev->core.substream; + struct snd_pcm_runtime *runtime = substream->runtime; + unsigned int pos, delay; + + pos = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev)); + if (!runtime) + return pos; + + runtime->delay = AMD_FIFO_SIZE; + delay = frames_to_bytes(runtime, AMD_FIFO_SIZE); + if (azx_dev->insufficient) { + if (pos < delay) { + delay = pos; + runtime->delay = bytes_to_frames(runtime, pos); + } else { + azx_dev->insufficient = 0; + } + } + + /* correct the DMA position for capture stream */ + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { + if (pos < delay) + pos += azx_dev->core.bufsize; + pos -= delay; + } + + return pos; +} + +static int azx_get_delay_from_fifo(struct azx *chip, struct azx_dev *azx_dev, + unsigned int pos) +{ + struct snd_pcm_substream *substream = azx_dev->core.substream; + + /* just read back the calculated value in the above */ + return substream->runtime->delay; +} + +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); + + /* read of DPIB fetches the actual posbuf */ + 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; +} +#else +#define azx_add_card_list(chip) /* NOP */ +#define azx_del_card_list(chip) /* NOP */ +#endif /* CONFIG_PM */ + +#ifdef CONFIG_PM_SLEEP +/* + * power management + */ +static int azx_suspend(struct device *dev) +{ + struct snd_card *card = dev_get_drvdata(dev); + struct azx *chip; + struct hda_intel *hda; + struct hdac_bus *bus; + + if (!card) + return 0; + + chip = card->private_data; + hda = container_of(chip, struct hda_intel, chip); + if (chip->disabled || hda->init_failed || !chip->running) + return 0; + + bus = azx_bus(chip); + snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); + azx_clear_irq_pending(chip); + azx_stop_chip(chip); + azx_enter_link_reset(chip); + if (bus->irq >= 0) { + free_irq(bus->irq, chip); + bus->irq = -1; + } + + if (chip->msi) + pci_disable_msi(chip->pci); + if ((chip->driver_caps & AZX_DCAPS_I915_POWERWELL) + && hda->need_i915_power) + snd_hdac_display_power(bus, false); + + trace_azx_suspend(chip); + 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; + struct hda_intel *hda; + struct hdac_bus *bus; + + if (!card) + return 0; + + chip = card->private_data; + hda = container_of(chip, struct hda_intel, chip); + bus = azx_bus(chip); + if (chip->disabled || hda->init_failed || !chip->running) + return 0; + + if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) { + snd_hdac_display_power(bus, true); + if (hda->need_i915_power) + snd_hdac_i915_set_bclk(bus); + } + + 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); + + hda_intel_init_chip(chip, true); + + /* power down again for link-controlled chips */ + if ((chip->driver_caps & AZX_DCAPS_I915_POWERWELL) && + !hda->need_i915_power) + snd_hdac_display_power(bus, 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 */ + +#ifdef CONFIG_PM +static int azx_runtime_suspend(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 (!azx_has_pm_runtime(chip)) + 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->need_i915_power) + snd_hdac_display_power(azx_bus(chip), false); + + 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; + struct hda_intel *hda; + struct hdac_bus *bus; + struct hda_codec *codec; + int status; + + if (!card) + return 0; + + chip = card->private_data; + hda = container_of(chip, struct hda_intel, chip); + bus = azx_bus(chip); + if (chip->disabled || hda->init_failed) + return 0; + + if (!azx_has_pm_runtime(chip)) + return 0; + + if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) { + snd_hdac_display_power(bus, 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) { + list_for_each_codec(codec, &chip->bus) + if (status & (1 << codec->addr)) + schedule_delayed_work(&codec->jackpoll_work, + codec->jackpoll_interval); + } + + /* disable controller Wake Up event*/ + azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) & + ~STATESTS_INT_MASK); + + /* power down again for link-controlled chips */ + if ((chip->driver_caps & AZX_DCAPS_I915_POWERWELL) && + !hda->need_i915_power) + snd_hdac_display_power(bus, false); + + 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_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_clear_irq_pending(chip); + azx_stop_all_streams(chip); + azx_stop_chip(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 + + if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) { + if (hda->need_i915_power) + snd_hdac_display_power(bus, 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; + struct hdac_bus *bus = azx_bus(chip); + + chip->bus.shutdown = 1; + cancel_work_sync(&bus->unsol_work); + + 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: + case POS_FIX_FIFO: + 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_AMD_WORKAROUND) { + dev_dbg(chip->card->dev, "Using FIFO position fix\n"); + return POS_FIX_FIFO; + } + 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, + [POS_FIX_FIFO] = azx_get_pos_fifo, + }; + + 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; + } + + if (fix == POS_FIX_FIFO) + chip->get_delay[0] = chip->get_delay[1] = + azx_get_delay_from_fifo; +} + +/* + * 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), + SND_PCI_QUIRK(0x1558, 0x0351, "Schenker Dock 15", 0x105), + /* 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; + chip->jackpoll_ms = jackpoll_ms; + 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])); + + 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]; + + /* Workaround for a communication error on CFL (bko#199007) and CNL */ + if (IS_CFL(pci) || IS_CNL(pci)) + chip->polling_mode = 1; + + err = azx_bus_init(chip, model[dev], &pci_hda_io_ops); + if (err < 0) { + kfree(hda); + pci_disable_device(pci); + return err; + } + + 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; + } + + check_probe_mask(chip, dev); + + 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); + + if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) + 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"); + /* keep running the rest for the runtime PM */ + } + + 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; + + if (fw) + chip->fw = fw; + else + dev_err(card->dev, "Cannot load firmware, continue without patching\n"); + if (!chip->disabled) { + /* continue probing */ + azx_probe_continue(chip); + } +} +#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); + int err; + + err = snd_dma_alloc_pages(type, + bus->dev, + size, buf); + if (err < 0) + return err; + mark_pages_wc(chip, buf, true); + return 0; +} + +static void dma_free_pages(struct hdac_bus *bus, struct snd_dma_buffer *buf) +{ + struct azx *chip = bus_to_azx(bus); + + 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); + 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 (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, +}; + +/* Blacklist for skipping the whole probe: + * some HD-audio PCI entries are exposed without any codecs, and such devices + * should be ignored from the beginning. + */ +static const struct pci_device_id driver_blacklist[] = { + { PCI_DEVICE_SUB(0x1022, 0x1487, 0x1043, 0x874f) }, /* ASUS ROG Zenith II / Strix */ + { PCI_DEVICE_SUB(0x1022, 0x1487, 0x1462, 0xcb59) }, /* MSI TRX40 Creator */ + { PCI_DEVICE_SUB(0x1022, 0x1487, 0x1462, 0xcb60) }, /* MSI TRX40 */ + {} +}; + +static const struct hda_controller_ops pci_hda_ops = { + .disable_msi_reset_irq = disable_msi_reset_irq, + .substream_alloc_pages = substream_alloc_pages, + .substream_free_pages = substream_free_pages, + .pcm_mmap_prepare = pcm_mmap_prepare, + .position_check = azx_position_check, + .link_power = azx_intel_link_power, +}; + +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 (pci_match_id(driver_blacklist, pci)) { + dev_info(&pci->dev, "Skipping the blacklisted device\n"); + return -ENODEV; + } + + 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=1525104 */ + SND_PCI_QUIRK(0x1558, 0x6504, "Clevo W65_67SB", 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 | AZX_DCAPS_I915_POWERWELL); + } + } + } + + /* 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. + */ + if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) { + /* HSW/BDW controllers need this power */ + if (CONTROLLER_IN_GPU(pci)) + hda->need_i915_power = 1; + + err = snd_hdac_display_power(bus, true); + if (err < 0) { + dev_err(chip->card->dev, + "Cannot turn on display power on i915\n"); + goto i915_power_fail; + } + } + + 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 */ + if (bus->codec_mask) { + 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 (bus->codec_mask && !(probe_only[dev] & 1)) { + 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_use_autosuspend(&pci->dev); + pm_runtime_put_autosuspend(&pci->dev); + } + +out_free: + if ((chip->driver_caps & AZX_DCAPS_I915_POWERWELL) + && !hda->need_i915_power) + snd_hdac_display_power(bus, false); + +i915_power_fail: + 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}, + /* Icelake */ + { PCI_DEVICE(0x8086, 0x34c8), + .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, X370 & co */ + { PCI_DEVICE(0x1022, 0x1457), + .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_AMD_SB }, + /* AMD, X570 & co */ + { PCI_DEVICE(0x1022, 0x1487), + .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_AMD_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_AMD_SB }, + /* 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); |