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tegrakernel/kernel/kernel-4.9/sound/pci/hda/hda_intel.c

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/*
*
* 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/cacheflush.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,
};
/* 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 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 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_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 */
#define AZX_DCAPS_INTEL_PCH_NOPM \
(AZX_DCAPS_INTEL_PCH_BASE)
/* PCH for HSW/BDW; with runtime PM */
#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_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_POWERWELL |\
AZX_DCAPS_SNOOP_TYPE(SCH))
#define AZX_DCAPS_INTEL_BAYTRAIL \
(AZX_DCAPS_INTEL_PCH_NOPM | AZX_DCAPS_I915_POWERWELL)
#define AZX_DCAPS_INTEL_BRASWELL \
(AZX_DCAPS_INTEL_PCH | AZX_DCAPS_I915_POWERWELL)
#define AZX_DCAPS_INTEL_SKYLAKE \
(AZX_DCAPS_INTEL_PCH | AZX_DCAPS_SEPARATE_STREAM_TAG |\
AZX_DCAPS_I915_POWERWELL)
#define AZX_DCAPS_INTEL_BROXTON \
(AZX_DCAPS_INTEL_PCH | AZX_DCAPS_SEPARATE_STREAM_TAG |\
AZX_DCAPS_I915_POWERWELL)
/* quirks for ATI SB / AMD Hudson */
#define AZX_DCAPS_PRESET_ATI_SB \
(AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB |\
AZX_DCAPS_SNOOP_TYPE(ATI))
/* quirks for ATI/AMD HDMI */
#define AZX_DCAPS_PRESET_ATI_HDMI \
(AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB|\
AZX_DCAPS_NO_MSI64)
/* quirks for ATI HDMI with snoop off */
#define AZX_DCAPS_PRESET_ATI_HDMI_NS \
(AZX_DCAPS_PRESET_ATI_HDMI | AZX_DCAPS_SNOOP_OFF)
/* quirks for Nvidia */
#define AZX_DCAPS_PRESET_NVIDIA \
(AZX_DCAPS_NO_MSI | AZX_DCAPS_CORBRP_SELF_CLEAR |\
AZX_DCAPS_SNOOP_TYPE(NVIDIA))
#define AZX_DCAPS_PRESET_CTHDA \
(AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB |\
AZX_DCAPS_NO_64BIT |\
AZX_DCAPS_4K_BDLE_BOUNDARY | AZX_DCAPS_SNOOP_OFF)
/*
* vga_switcheroo support
*/
#ifdef SUPPORT_VGA_SWITCHEROO
#define use_vga_switcheroo(chip) ((chip)->use_vga_switcheroo)
#else
#define use_vga_switcheroo(chip) 0
#endif
#define CONTROLLER_IN_GPU(pci) (((pci)->device == 0x0a0c) || \
((pci)->device == 0x0c0c) || \
((pci)->device == 0x0d0c) || \
((pci)->device == 0x160c))
#define IS_SKL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa170)
#define IS_SKL_LP(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9d70)
#define IS_KBL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa171)
#define IS_KBL_LP(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9d71)
#define IS_KBL_H(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa2f0)
#define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98)
#define IS_GLK(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x3198)
#define IS_SKL_PLUS(pci) (IS_SKL(pci) || IS_SKL_LP(pci) || IS_BXT(pci)) || \
IS_KBL(pci) || IS_KBL_LP(pci) || IS_KBL_H(pci) || \
IS_GLK(pci)
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_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);
/*
* 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, SKL_EM4L);
val &= (0x3 << 20);
azx_writel(chip, SKL_EM4L, val);
}
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 (IS_SKL_PLUS(pci)) {
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 (IS_SKL_PLUS(pci)) {
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);
}
/* 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.
*/
static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
{
struct snd_pcm_substream *substream = azx_dev->core.substream;
int stream = substream->stream;
u32 wallclk;
unsigned int pos;
wallclk = azx_readl(chip, WALLCLK) - azx_dev->core.start_wallclk;
if (wallclk < (azx_dev->core.period_wallclk * 2) / 3)
return -1; /* bogus (too early) interrupt */
if (chip->get_position[stream])
pos = chip->get_position[stream](chip, azx_dev);
else { /* use the position buffer as default */
pos = azx_get_pos_posbuf(chip, azx_dev);
if (!pos || pos == (u32)-1) {
dev_info(chip->card->dev,
"Invalid position buffer, using LPIB read method instead.\n");
chip->get_position[stream] = azx_get_pos_lpib;
if (chip->get_position[0] == azx_get_pos_lpib &&
chip->get_position[1] == azx_get_pos_lpib)
azx_bus(chip)->use_posbuf = false;
pos = azx_get_pos_lpib(chip, azx_dev);
chip->get_delay[stream] = NULL;
} else {
chip->get_position[stream] = azx_get_pos_posbuf;
if (chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)
chip->get_delay[stream] = azx_get_delay_from_lpib;
}
}
if (pos >= azx_dev->core.bufsize)
pos = 0;
if (WARN_ONCE(!azx_dev->core.period_bytes,
"hda-intel: zero azx_dev->period_bytes"))
return -1; /* this shouldn't happen! */
if (wallclk < (azx_dev->core.period_wallclk * 5) / 4 &&
pos % azx_dev->core.period_bytes > azx_dev->core.period_bytes / 2)
/* NG - it's below the first next period boundary */
return chip->bdl_pos_adj ? 0 : -1;
azx_dev->core.start_wallclk += wallclk;
return 1; /* OK, it's fine */
}
/*
* The work for pending PCM period updates.
*/
static void azx_irq_pending_work(struct work_struct *work)
{
struct hda_intel *hda = container_of(work, struct hda_intel, irq_pending_work);
struct azx *chip = &hda->chip;
struct hdac_bus *bus = azx_bus(chip);
struct hdac_stream *s;
int pending, ok;
if (!hda->irq_pending_warned) {
dev_info(chip->card->dev,
"IRQ timing workaround is activated for card #%d. Suggest a bigger bdl_pos_adj.\n",
chip->card->number);
hda->irq_pending_warned = 1;
}
for (;;) {
pending = 0;
spin_lock_irq(&bus->reg_lock);
list_for_each_entry(s, &bus->stream_list, list) {
struct azx_dev *azx_dev = stream_to_azx_dev(s);
if (!azx_dev->irq_pending ||
!s->substream ||
!s->running)
continue;
ok = azx_position_ok(chip, azx_dev);
if (ok > 0) {
azx_dev->irq_pending = 0;
spin_unlock(&bus->reg_lock);
snd_pcm_period_elapsed(s->substream);
spin_lock(&bus->reg_lock);
} else if (ok < 0) {
pending = 0; /* too early */
} else
pending++;
}
spin_unlock_irq(&bus->reg_lock);
if (!pending)
return;
msleep(1);
}
}
/* clear irq_pending flags and assure no on-going workq */
static void azx_clear_irq_pending(struct azx *chip)
{
struct hdac_bus *bus = azx_bus(chip);
struct hdac_stream *s;
spin_lock_irq(&bus->reg_lock);
list_for_each_entry(s, &bus->stream_list, list) {
struct azx_dev *azx_dev = stream_to_azx_dev(s);
azx_dev->irq_pending = 0;
}
spin_unlock_irq(&bus->reg_lock);
}
static int azx_acquire_irq(struct azx *chip, int do_disconnect)
{
struct hdac_bus *bus = azx_bus(chip);
if (request_irq(chip->pci->irq, azx_interrupt,
chip->msi ? 0 : IRQF_SHARED,
chip->card->irq_descr, chip)) {
dev_err(chip->card->dev,
"unable to grab IRQ %d, disabling device\n",
chip->pci->irq);
if (do_disconnect)
snd_card_disconnect(chip->card);
return -1;
}
bus->irq = chip->pci->irq;
pci_intx(chip->pci, !chip->msi);
return 0;
}
/* get the current DMA position with correction on VIA chips */
static unsigned int azx_via_get_position(struct azx *chip,
struct azx_dev *azx_dev)
{
unsigned int link_pos, mini_pos, bound_pos;
unsigned int mod_link_pos, mod_dma_pos, mod_mini_pos;
unsigned int fifo_size;
link_pos = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev));
if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
/* Playback, no problem using link position */
return link_pos;
}
/* Capture */
/* For new chipset,
* use mod to get the DMA position just like old chipset
*/
mod_dma_pos = le32_to_cpu(*azx_dev->core.posbuf);
mod_dma_pos %= azx_dev->core.period_bytes;
/* azx_dev->fifo_size can't get FIFO size of in stream.
* Get from base address + offset.
*/
fifo_size = readw(azx_bus(chip)->remap_addr +
VIA_IN_STREAM0_FIFO_SIZE_OFFSET);
if (azx_dev->insufficient) {
/* Link position never gather than FIFO size */
if (link_pos <= fifo_size)
return 0;
azx_dev->insufficient = 0;
}
if (link_pos <= fifo_size)
mini_pos = azx_dev->core.bufsize + link_pos - fifo_size;
else
mini_pos = link_pos - fifo_size;
/* Find nearest previous boudary */
mod_mini_pos = mini_pos % azx_dev->core.period_bytes;
mod_link_pos = link_pos % azx_dev->core.period_bytes;
if (mod_link_pos >= fifo_size)
bound_pos = link_pos - mod_link_pos;
else if (mod_dma_pos >= mod_mini_pos)
bound_pos = mini_pos - mod_mini_pos;
else {
bound_pos = mini_pos - mod_mini_pos + azx_dev->core.period_bytes;
if (bound_pos >= azx_dev->core.bufsize)
bound_pos = 0;
}
/* Calculate real DMA position we want */
return bound_pos + mod_dma_pos;
}
#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 */
#if defined(CONFIG_PM_SLEEP) || defined(SUPPORT_VGA_SWITCHEROO)
/*
* 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;
}
#endif /* CONFIG_PM_SLEEP || SUPPORT_VGA_SWITCHEROO */
#ifdef CONFIG_PM_SLEEP
/* 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 pci_dev *pci = to_pci_dev(dev);
if (IS_SKL_PLUS(pci))
pci_set_power_state(pci, PCI_D3hot);
return 0;
}
static int azx_thaw_noirq(struct device *dev)
{
struct pci_dev *pci = to_pci_dev(dev);
if (IS_SKL_PLUS(pci))
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;
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);
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) {
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;
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;
}
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;
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)
{
struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
int err;
if (!hda->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);
if (err < 0)
return err;
hda->vga_switcheroo_registered = 1;
/* register as an optimus hdmi audio power domain */
vga_switcheroo_init_domain_pm_optimus_hdmi_audio(chip->card->dev,
&hda->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;
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);
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);
vga_switcheroo_fini_domain_pm_ops(chip->card->dev);
}
}
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);
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 >> 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_type == AZX_DRIVER_VIA) {
dev_dbg(chip->card->dev, "Using VIACOMBO position fix\n");
return POS_FIX_VIACOMBO;
}
if (chip->driver_caps & AZX_DCAPS_POSFIX_LPIB) {
dev_dbg(chip->card->dev, "Using LPIB position fix\n");
return POS_FIX_LPIB;
}
return POS_FIX_AUTO;
}
static void assign_position_fix(struct azx *chip, int fix)
{
static azx_get_pos_callback_t callbacks[] = {
[POS_FIX_AUTO] = NULL,
[POS_FIX_LPIB] = azx_get_pos_lpib,
[POS_FIX_POSBUF] = azx_get_pos_posbuf,
[POS_FIX_VIACOMBO] = azx_via_get_position,
[POS_FIX_COMBO] = azx_get_pos_lpib,
};
chip->get_position[0] = chip->get_position[1] = callbacks[fix];
/* combo mode uses LPIB only for playback */
if (fix == POS_FIX_COMBO)
chip->get_position[1] = NULL;
if (fix == POS_FIX_POSBUF &&
(chip->driver_caps & AZX_DCAPS_COUNT_LPIB_DELAY)) {
chip->get_delay[0] = chip->get_delay[1] =
azx_get_delay_from_lpib;
}
}
/*
* black-lists for probe_mask
*/
static struct snd_pci_quirk probe_mask_list[] = {
/* Thinkpad often breaks the controller communication when accessing
* to the non-working (or non-existing) modem codec slot.
*/
SND_PCI_QUIRK(0x1014, 0x05b7, "Thinkpad Z60", 0x01),
SND_PCI_QUIRK(0x17aa, 0x2010, "Thinkpad X/T/R60", 0x01),
SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X/T/R61", 0x01),
/* broken BIOS */
SND_PCI_QUIRK(0x1028, 0x20ac, "Dell Studio Desktop", 0x01),
/* including bogus ALC268 in slot#2 that conflicts with ALC888 */
SND_PCI_QUIRK(0x17c0, 0x4085, "Medion MD96630", 0x01),
/* forced codec slots */
SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103),
SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103),
/* WinFast VP200 H (Teradici) user reported broken communication */
SND_PCI_QUIRK(0x3a21, 0x040d, "WinFast VP200 H", 0x101),
{}
};
#define AZX_FORCE_CODEC_MASK 0x100
static void check_probe_mask(struct azx *chip, int dev)
{
const struct snd_pci_quirk *q;
chip->codec_probe_mask = probe_mask[dev];
if (chip->codec_probe_mask == -1) {
q = snd_pci_quirk_lookup(chip->pci, probe_mask_list);
if (q) {
dev_info(chip->card->dev,
"probe_mask set to 0x%x for device %04x:%04x\n",
q->value, q->subvendor, q->subdevice);
chip->codec_probe_mask = q->value;
}
}
/* check forced option */
if (chip->codec_probe_mask != -1 &&
(chip->codec_probe_mask & AZX_FORCE_CODEC_MASK)) {
azx_bus(chip)->codec_mask = chip->codec_probe_mask & 0xff;
dev_info(chip->card->dev, "codec_mask forced to 0x%x\n",
(int)azx_bus(chip)->codec_mask);
}
}
/*
* white/black-list for enable_msi
*/
static struct snd_pci_quirk msi_black_list[] = {
SND_PCI_QUIRK(0x103c, 0x2191, "HP", 0), /* AMD Hudson */
SND_PCI_QUIRK(0x103c, 0x2192, "HP", 0), /* AMD Hudson */
SND_PCI_QUIRK(0x103c, 0x21f7, "HP", 0), /* AMD Hudson */
SND_PCI_QUIRK(0x103c, 0x21fa, "HP", 0), /* AMD Hudson */
SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */
SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */
SND_PCI_QUIRK(0x1043, 0x822d, "ASUS", 0), /* Athlon64 X2 + nvidia MCP55 */
SND_PCI_QUIRK(0x1179, 0xfb44, "Toshiba Satellite C870", 0), /* AMD Hudson */
SND_PCI_QUIRK(0x1849, 0x0888, "ASRock", 0), /* Athlon64 X2 + nvidia */
SND_PCI_QUIRK(0xa0a0, 0x0575, "Aopen MZ915-M", 0), /* ICH6 */
{}
};
static void check_msi(struct azx *chip)
{
const struct snd_pci_quirk *q;
if (enable_msi >= 0) {
chip->msi = !!enable_msi;
return;
}
chip->msi = 1; /* enable MSI as default */
q = snd_pci_quirk_lookup(chip->pci, msi_black_list);
if (q) {
dev_info(chip->card->dev,
"msi for device %04x:%04x set to %d\n",
q->subvendor, q->subdevice, q->value);
chip->msi = q->value;
return;
}
/* NVidia chipsets seem to cause troubles with MSI */
if (chip->driver_caps & AZX_DCAPS_NO_MSI) {
dev_info(chip->card->dev, "Disabling MSI\n");
chip->msi = 0;
}
}
/* check the snoop mode availability */
static void azx_check_snoop_available(struct azx *chip)
{
int snoop = hda_snoop;
if (snoop >= 0) {
dev_info(chip->card->dev, "Force to %s mode by module option\n",
snoop ? "snoop" : "non-snoop");
chip->snoop = snoop;
chip->uc_buffer = !snoop;
return;
}
snoop = true;
if (azx_get_snoop_type(chip) == AZX_SNOOP_TYPE_NONE &&
chip->driver_type == AZX_DRIVER_VIA) {
/* force to non-snoop mode for a new VIA controller
* when BIOS is set
*/
u8 val;
pci_read_config_byte(chip->pci, 0x42, &val);
if (!(val & 0x80) && (chip->pci->revision == 0x30 ||
chip->pci->revision == 0x20))
snoop = false;
}
if (chip->driver_caps & AZX_DCAPS_SNOOP_OFF)
snoop = false;
chip->snoop = snoop;
if (!snoop) {
dev_info(chip->card->dev, "Force to non-snoop mode\n");
/* C-Media requires non-cached pages only for CORB/RIRB */
if (chip->driver_type != AZX_DRIVER_CMEDIA)
chip->uc_buffer = true;
}
}
static void azx_probe_work(struct work_struct *work)
{
struct hda_intel *hda = container_of(work, struct hda_intel, probe_work);
azx_probe_continue(&hda->chip);
}
static int default_bdl_pos_adj(struct azx *chip)
{
/* some exceptions: Atoms seem problematic with value 1 */
if (chip->pci->vendor == PCI_VENDOR_ID_INTEL) {
switch (chip->pci->device) {
case 0x0f04: /* Baytrail */
case 0x2284: /* Braswell */
return 32;
}
}
switch (chip->driver_type) {
case AZX_DRIVER_ICH:
case AZX_DRIVER_PCH:
return 1;
default:
return 32;
}
}
/*
* constructor
*/
static const struct hdac_io_ops pci_hda_io_ops;
static const struct hda_controller_ops pci_hda_ops;
static int azx_create(struct snd_card *card, struct pci_dev *pci,
int dev, unsigned int driver_caps,
struct azx **rchip)
{
static struct snd_device_ops ops = {
.dev_disconnect = azx_dev_disconnect,
.dev_free = azx_dev_free,
};
struct hda_intel *hda;
struct azx *chip;
int err;
*rchip = NULL;
err = pci_enable_device(pci);
if (err < 0)
return err;
hda = kzalloc(sizeof(*hda), GFP_KERNEL);
if (!hda) {
pci_disable_device(pci);
return -ENOMEM;
}
chip = &hda->chip;
mutex_init(&chip->open_mutex);
chip->card = card;
chip->pci = pci;
chip->ops = &pci_hda_ops;
chip->driver_caps = driver_caps;
chip->driver_type = driver_caps & 0xff;
check_msi(chip);
chip->dev_index = dev;
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]));
check_probe_mask(chip, dev);
chip->single_cmd = single_cmd;
azx_check_snoop_available(chip);
if (bdl_pos_adj[dev] < 0)
chip->bdl_pos_adj = default_bdl_pos_adj(chip);
else
chip->bdl_pos_adj = bdl_pos_adj[dev];
err = azx_bus_init(chip, model[dev], &pci_hda_io_ops);
if (err < 0) {
kfree(hda);
pci_disable_device(pci);
return err;
}
if (chip->driver_type == AZX_DRIVER_NVIDIA) {
dev_dbg(chip->card->dev, "Enable delay in RIRB handling\n");
chip->bus.needs_damn_long_delay = 1;
}
err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
if (err < 0) {
dev_err(card->dev, "Error creating device [card]!\n");
azx_free(chip);
return err;
}
/* continue probing in work context as may trigger request module */
INIT_WORK(&hda->probe_work, azx_probe_work);
*rchip = chip;
return 0;
}
static int azx_first_init(struct azx *chip)
{
int dev = chip->dev_index;
struct pci_dev *pci = chip->pci;
struct snd_card *card = chip->card;
struct hdac_bus *bus = azx_bus(chip);
int err;
unsigned short gcap;
unsigned int dma_bits = 64;
#if BITS_PER_LONG != 64
/* Fix up base address on ULI M5461 */
if (chip->driver_type == AZX_DRIVER_ULI) {
u16 tmp3;
pci_read_config_word(pci, 0x40, &tmp3);
pci_write_config_word(pci, 0x40, tmp3 | 0x10);
pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0);
}
#endif
err = pci_request_regions(pci, "ICH HD audio");
if (err < 0)
return err;
chip->region_requested = 1;
bus->addr = pci_resource_start(pci, 0);
bus->remap_addr = pci_ioremap_bar(pci, 0);
if (bus->remap_addr == NULL) {
dev_err(card->dev, "ioremap error\n");
return -ENXIO;
}
if (IS_SKL_PLUS(pci))
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;
/* 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");
return -ENODEV;
}
if (azx_acquire_irq(chip, 0) < 0)
return -EBUSY;
strcpy(card->driver, "HDA-Intel");
strlcpy(card->shortname, driver_short_names[chip->driver_type],
sizeof(card->shortname));
snprintf(card->longname, sizeof(card->longname),
"%s at 0x%lx irq %i",
card->shortname, bus->addr, bus->irq);
return 0;
}
#ifdef CONFIG_SND_HDA_PATCH_LOADER
/* callback from request_firmware_nowait() */
static void azx_firmware_cb(const struct firmware *fw, void *context)
{
struct snd_card *card = context;
struct azx *chip = card->private_data;
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(0x1043, 0x8733, "Asus Prime X370-Pro", 0),
/* https://bugzilla.redhat.com/show_bug.cgi?id=1572975 */
SND_PCI_QUIRK(0x17aa, 0x36a7, "Lenovo C50 All in one", 0),
/* https://bugzilla.kernel.org/show_bug.cgi?id=198611 */
SND_PCI_QUIRK(0x17aa, 0x2227, "Lenovo X1 Carbon 3rd Gen", 0),
{}
};
#endif /* CONFIG_PM */
/* 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 val;
int err;
to_hda_bus(bus)->bus_probing = 1;
hda->probe_continued = 1;
/* Request display power well for the HDA controller or codec. For
* Haswell/Broadwell, both the display HDA controller and codec need
* this power. For other platforms, like Baytrail/Braswell, only the
* display codec needs the power and it can be released after probe.
*/
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_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
goto skip_i915;
}
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;
}
}
skip_i915:
err = azx_first_init(chip);
if (err < 0)
goto out_free;
#ifdef CONFIG_SND_HDA_INPUT_BEEP
chip->beep_mode = beep_mode[dev];
#endif
/* create codec instances */
err = azx_probe_codecs(chip, azx_max_codecs[chip->driver_type]);
if (err < 0)
goto out_free;
#ifdef CONFIG_SND_HDA_PATCH_LOADER
if (chip->fw) {
err = snd_hda_load_patch(&chip->bus, chip->fw->size,
chip->fw->data);
if (err < 0)
goto out_free;
#ifndef CONFIG_PM
release_firmware(chip->fw); /* no longer needed */
chip->fw = NULL;
#endif
}
#endif
if ((probe_only[dev] & 1) == 0) {
err = azx_codec_configure(chip);
if (err < 0)
goto out_free;
}
err = snd_card_register(chip->card);
if (err < 0)
goto out_free;
chip->running = 1;
azx_add_card_list(chip);
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);
if (azx_has_pm_runtime(chip) || hda->use_vga_switcheroo)
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_PCH | AZX_DCAPS_INTEL_SKYLAKE },
/* Sunrise Point-LP */
{ PCI_DEVICE(0x8086, 0x9d70),
.driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
/* Kabylake */
{ PCI_DEVICE(0x8086, 0xa171),
.driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
/* Kabylake-LP */
{ PCI_DEVICE(0x8086, 0x9d71),
.driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
/* Kabylake-H */
{ PCI_DEVICE(0x8086, 0xa2f0),
.driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
/* Broxton-P(Apollolake) */
{ PCI_DEVICE(0x8086, 0x5a98),
.driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BROXTON },
/* Broxton-T */
{ PCI_DEVICE(0x8086, 0x1a98),
.driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BROXTON },
/* Haswell */
{ PCI_DEVICE(0x8086, 0x0a0c),
.driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
{ PCI_DEVICE(0x8086, 0x0c0c),
.driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
{ PCI_DEVICE(0x8086, 0x0d0c),
.driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
/* Broadwell */
{ PCI_DEVICE(0x8086, 0x160c),
.driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_BROADWELL },
/* 5 Series/3400 */
{ PCI_DEVICE(0x8086, 0x3b56),
.driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },
/* Poulsbo */
{ PCI_DEVICE(0x8086, 0x811b),
.driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE },
/* Oaktrail */
{ PCI_DEVICE(0x8086, 0x080a),
.driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE },
/* BayTrail */
{ PCI_DEVICE(0x8086, 0x0f04),
.driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BAYTRAIL },
/* Braswell */
{ PCI_DEVICE(0x8086, 0x2284),
.driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BRASWELL },
/* ICH6 */
{ PCI_DEVICE(0x8086, 0x2668),
.driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
/* ICH7 */
{ PCI_DEVICE(0x8086, 0x27d8),
.driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
/* ESB2 */
{ PCI_DEVICE(0x8086, 0x269a),
.driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
/* ICH8 */
{ PCI_DEVICE(0x8086, 0x284b),
.driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
/* ICH9 */
{ PCI_DEVICE(0x8086, 0x293e),
.driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
/* ICH9 */
{ PCI_DEVICE(0x8086, 0x293f),
.driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
/* ICH10 */
{ PCI_DEVICE(0x8086, 0x3a3e),
.driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
/* ICH10 */
{ PCI_DEVICE(0x8086, 0x3a6e),
.driver_data = AZX_DRIVER_ICH | AZX_DCAPS_INTEL_ICH },
/* Generic Intel */
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_ANY_ID),
.class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
.class_mask = 0xffffff,
.driver_data = AZX_DRIVER_ICH | AZX_DCAPS_NO_ALIGN_BUFSIZE },
/* ATI SB 450/600/700/800/900 */
{ PCI_DEVICE(0x1002, 0x437b),
.driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
{ PCI_DEVICE(0x1002, 0x4383),
.driver_data = AZX_DRIVER_ATI | AZX_DCAPS_PRESET_ATI_SB },
/* AMD Hudson */
{ PCI_DEVICE(0x1022, 0x780d),
.driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB },
/* AMD Stoney */
{ PCI_DEVICE(0x1022, 0x157a),
.driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB |
AZX_DCAPS_PM_RUNTIME },
/* AMD Raven */
{ PCI_DEVICE(0x1022, 0x15e3),
.driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB |
AZX_DCAPS_PM_RUNTIME },
/* ATI HDMI */
{ PCI_DEVICE(0x1002, 0x0002),
.driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
{ PCI_DEVICE(0x1002, 0x1308),
.driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
{ PCI_DEVICE(0x1002, 0x157a),
.driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
{ PCI_DEVICE(0x1002, 0x15b3),
.driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
{ PCI_DEVICE(0x1002, 0x793b),
.driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
{ PCI_DEVICE(0x1002, 0x7919),
.driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
{ PCI_DEVICE(0x1002, 0x960f),
.driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
{ PCI_DEVICE(0x1002, 0x970f),
.driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
{ PCI_DEVICE(0x1002, 0x9840),
.driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
{ PCI_DEVICE(0x1002, 0xaa00),
.driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
{ PCI_DEVICE(0x1002, 0xaa08),
.driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
{ PCI_DEVICE(0x1002, 0xaa10),
.driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
{ PCI_DEVICE(0x1002, 0xaa18),
.driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
{ PCI_DEVICE(0x1002, 0xaa20),
.driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
{ PCI_DEVICE(0x1002, 0xaa28),
.driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
{ PCI_DEVICE(0x1002, 0xaa30),
.driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
{ PCI_DEVICE(0x1002, 0xaa38),
.driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
{ PCI_DEVICE(0x1002, 0xaa40),
.driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
{ PCI_DEVICE(0x1002, 0xaa48),
.driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
{ PCI_DEVICE(0x1002, 0xaa50),
.driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
{ PCI_DEVICE(0x1002, 0xaa58),
.driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
{ PCI_DEVICE(0x1002, 0xaa60),
.driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
{ PCI_DEVICE(0x1002, 0xaa68),
.driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
{ PCI_DEVICE(0x1002, 0xaa80),
.driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
{ PCI_DEVICE(0x1002, 0xaa88),
.driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
{ PCI_DEVICE(0x1002, 0xaa90),
.driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
{ PCI_DEVICE(0x1002, 0xaa98),
.driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI },
{ PCI_DEVICE(0x1002, 0x9902),
.driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
{ PCI_DEVICE(0x1002, 0xaaa0),
.driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
{ PCI_DEVICE(0x1002, 0xaaa8),
.driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
{ PCI_DEVICE(0x1002, 0xaab0),
.driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
{ PCI_DEVICE(0x1002, 0xaac0),
.driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
{ PCI_DEVICE(0x1002, 0xaac8),
.driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
{ PCI_DEVICE(0x1002, 0xaad8),
.driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
{ PCI_DEVICE(0x1002, 0xaae8),
.driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
{ PCI_DEVICE(0x1002, 0xaae0),
.driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
{ PCI_DEVICE(0x1002, 0xaaf0),
.driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS },
/* VIA VT8251/VT8237A */
{ PCI_DEVICE(0x1106, 0x3288), .driver_data = AZX_DRIVER_VIA },
/* VIA GFX VT7122/VX900 */
{ PCI_DEVICE(0x1106, 0x9170), .driver_data = AZX_DRIVER_GENERIC },
/* VIA GFX VT6122/VX11 */
{ PCI_DEVICE(0x1106, 0x9140), .driver_data = AZX_DRIVER_GENERIC },
/* SIS966 */
{ PCI_DEVICE(0x1039, 0x7502), .driver_data = AZX_DRIVER_SIS },
/* ULI M5461 */
{ PCI_DEVICE(0x10b9, 0x5461), .driver_data = AZX_DRIVER_ULI },
/* NVIDIA MCP */
{ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
.class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
.class_mask = 0xffffff,
.driver_data = AZX_DRIVER_NVIDIA | AZX_DCAPS_PRESET_NVIDIA },
/* Teradici */
{ PCI_DEVICE(0x6549, 0x1200),
.driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
{ PCI_DEVICE(0x6549, 0x2200),
.driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT },
/* Creative X-Fi (CA0110-IBG) */
/* CTHDA chips */
{ PCI_DEVICE(0x1102, 0x0010),
.driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
{ PCI_DEVICE(0x1102, 0x0012),
.driver_data = AZX_DRIVER_CTHDA | AZX_DCAPS_PRESET_CTHDA },
#if !IS_ENABLED(CONFIG_SND_CTXFI)
/* the following entry conflicts with snd-ctxfi driver,
* as ctxfi driver mutates from HD-audio to native mode with
* a special command sequence.
*/
{ PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_ANY_ID),
.class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
.class_mask = 0xffffff,
.driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB },
#else
/* this entry seems still valid -- i.e. without emu20kx chip */
{ PCI_DEVICE(0x1102, 0x0009),
.driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB },
#endif
/* CM8888 */
{ PCI_DEVICE(0x13f6, 0x5011),
.driver_data = AZX_DRIVER_CMEDIA |
AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB | AZX_DCAPS_SNOOP_OFF },
/* Vortex86MX */
{ PCI_DEVICE(0x17f3, 0x3010), .driver_data = AZX_DRIVER_GENERIC },
/* VMware HDAudio */
{ PCI_DEVICE(0x15ad, 0x1977), .driver_data = AZX_DRIVER_GENERIC },
/* AMD/ATI Generic, PCI class code and Vendor ID for HD Audio */
{ PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID),
.class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
.class_mask = 0xffffff,
.driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_ANY_ID),
.class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
.class_mask = 0xffffff,
.driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
{ 0, }
};
MODULE_DEVICE_TABLE(pci, azx_ids);
/* pci_driver definition */
static struct pci_driver azx_driver = {
.name = KBUILD_MODNAME,
.id_table = azx_ids,
.probe = azx_probe,
.remove = azx_remove,
.shutdown = azx_shutdown,
.driver = {
.pm = AZX_PM_OPS,
},
};
module_pci_driver(azx_driver);
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