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Merge tag 'topic/i915-hda-componentized-2015-01-12' of git://anongit.freedesktop.org/drm-intel into for-next

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This commit is contained in:
Takashi Iwai 2015-01-13 07:54:02 +01:00
commit 1d69970d27
12 changed files with 367 additions and 231 deletions
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4
drivers/gpu/drm/i915/i915_dma.c
View file

@ -830,6 +830,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
intel_runtime_pm_enable(dev_priv);
i915_audio_component_init(dev_priv);
return 0;
out_power_well:
@ -870,6 +872,8 @@ int i915_driver_unload(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
i915_audio_component_cleanup(dev_priv);
ret = i915_gem_suspend(dev);
if (ret) {
DRM_ERROR("failed to idle hardware: %d\n", ret);

9
drivers/gpu/drm/i915/i915_drv.c
View file

@ -940,8 +940,7 @@ static int i915_pm_suspend(struct device *dev)
static int i915_pm_suspend_late(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct drm_device *drm_dev = pci_get_drvdata(pdev);
struct drm_device *drm_dev = dev_to_i915(dev)->dev;
/*
* We have a suspedn ordering issue with the snd-hda driver also
@ -960,8 +959,7 @@ static int i915_pm_suspend_late(struct device *dev)
static int i915_pm_resume_early(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct drm_device *drm_dev = pci_get_drvdata(pdev);
struct drm_device *drm_dev = dev_to_i915(dev)->dev;
if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
return 0;
@ -971,8 +969,7 @@ static int i915_pm_resume_early(struct device *dev)
static int i915_pm_resume(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct drm_device *drm_dev = pci_get_drvdata(pdev);
struct drm_device *drm_dev = dev_to_i915(dev)->dev;
if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
return 0;

8
drivers/gpu/drm/i915/i915_drv.h
View file

@ -1698,6 +1698,9 @@ struct drm_i915_private {
struct drm_property *broadcast_rgb_property;
struct drm_property *force_audio_property;
/* hda/i915 audio component */
bool audio_component_registered;
uint32_t hw_context_size;
struct list_head context_list;
@ -1781,6 +1784,11 @@ static inline struct drm_i915_private *to_i915(const struct drm_device *dev)
return dev->dev_private;
}
static inline struct drm_i915_private *dev_to_i915(struct device *dev)
{
return to_i915(dev_get_drvdata(dev));
}
/* Iterate over initialised rings */
#define for_each_ring(ring__, dev_priv__, i__) \
for ((i__) = 0; (i__) < I915_NUM_RINGS; (i__)++) \

110
drivers/gpu/drm/i915/intel_audio.c
View file

@ -22,6 +22,9 @@
*/
#include <linux/kernel.h>
#include <linux/component.h>
#include <drm/i915_component.h>
#include "intel_drv.h"
#include <drm/drmP.h>
#include <drm/drm_edid.h>
@ -461,3 +464,110 @@ void intel_init_audio(struct drm_device *dev)
dev_priv->display.audio_codec_disable = ilk_audio_codec_disable;
}
}
static void i915_audio_component_get_power(struct device *dev)
{
intel_display_power_get(dev_to_i915(dev), POWER_DOMAIN_AUDIO);
}
static void i915_audio_component_put_power(struct device *dev)
{
intel_display_power_put(dev_to_i915(dev), POWER_DOMAIN_AUDIO);
}
/* Get CDCLK in kHz */
static int i915_audio_component_get_cdclk_freq(struct device *dev)
{
struct drm_i915_private *dev_priv = dev_to_i915(dev);
int ret;
if (WARN_ON_ONCE(!HAS_DDI(dev_priv)))
return -ENODEV;
intel_display_power_get(dev_priv, POWER_DOMAIN_AUDIO);
ret = intel_ddi_get_cdclk_freq(dev_priv);
intel_display_power_put(dev_priv, POWER_DOMAIN_AUDIO);
return ret;
}
static const struct i915_audio_component_ops i915_audio_component_ops = {
.owner = THIS_MODULE,
.get_power = i915_audio_component_get_power,
.put_power = i915_audio_component_put_power,
.get_cdclk_freq = i915_audio_component_get_cdclk_freq,
};
static int i915_audio_component_bind(struct device *i915_dev,
struct device *hda_dev, void *data)
{
struct i915_audio_component *acomp = data;
if (WARN_ON(acomp->ops || acomp->dev))
return -EEXIST;
acomp->ops = &i915_audio_component_ops;
acomp->dev = i915_dev;
return 0;
}
static void i915_audio_component_unbind(struct device *i915_dev,
struct device *hda_dev, void *data)
{
struct i915_audio_component *acomp = data;
acomp->ops = NULL;
acomp->dev = NULL;
}
static const struct component_ops i915_audio_component_bind_ops = {
.bind = i915_audio_component_bind,
.unbind = i915_audio_component_unbind,
};
/**
* i915_audio_component_init - initialize and register the audio component
* @dev_priv: i915 device instance
*
* This will register with the component framework a child component which
* will bind dynamically to the snd_hda_intel driver's corresponding master
* component when the latter is registered. During binding the child
* initializes an instance of struct i915_audio_component which it receives
* from the master. The master can then start to use the interface defined by
* this struct. Each side can break the binding at any point by deregistering
* its own component after which each side's component unbind callback is
* called.
*
* We ignore any error during registration and continue with reduced
* functionality (i.e. without HDMI audio).
*/
void i915_audio_component_init(struct drm_i915_private *dev_priv)
{
int ret;
ret = component_add(dev_priv->dev->dev, &i915_audio_component_bind_ops);
if (ret < 0) {
DRM_ERROR("failed to add audio component (%d)\n", ret);
/* continue with reduced functionality */
return;
}
dev_priv->audio_component_registered = true;
}
/**
* i915_audio_component_cleanup - deregister the audio component
* @dev_priv: i915 device instance
*
* Deregisters the audio component, breaking any existing binding to the
* corresponding snd_hda_intel driver's master component.
*/
void i915_audio_component_cleanup(struct drm_i915_private *dev_priv)
{
if (!dev_priv->audio_component_registered)
return;
component_del(dev_priv->dev->dev, &i915_audio_component_bind_ops);
dev_priv->audio_component_registered = false;
}

2
drivers/gpu/drm/i915/intel_drv.h
View file

@ -872,6 +872,8 @@ void intel_fb_obj_flush(struct drm_i915_gem_object *obj, bool retire);
void intel_init_audio(struct drm_device *dev);
void intel_audio_codec_enable(struct intel_encoder *encoder);
void intel_audio_codec_disable(struct intel_encoder *encoder);
void i915_audio_component_init(struct drm_i915_private *dev_priv);
void i915_audio_component_cleanup(struct drm_i915_private *dev_priv);
/* intel_display.c */
const char *intel_output_name(int output);

56
drivers/gpu/drm/i915/intel_runtime_pm.c
View file

@ -31,7 +31,6 @@
#include "i915_drv.h"
#include "intel_drv.h"
#include <drm/i915_powerwell.h>
/**
* DOC: runtime pm
@ -50,8 +49,6 @@
* present for a given platform.
*/
static struct i915_power_domains *hsw_pwr;
#define for_each_power_well(i, power_well, domain_mask, power_domains) \
for (i = 0; \
i < (power_domains)->power_well_count && \
@ -1071,10 +1068,8 @@ int intel_power_domains_init(struct drm_i915_private *dev_priv)
*/
if (IS_HASWELL(dev_priv->dev)) {
set_power_wells(power_domains, hsw_power_wells);
hsw_pwr = power_domains;
} else if (IS_BROADWELL(dev_priv->dev)) {
set_power_wells(power_domains, bdw_power_wells);
hsw_pwr = power_domains;
} else if (IS_CHERRYVIEW(dev_priv->dev)) {
set_power_wells(power_domains, chv_power_wells);
} else if (IS_VALLEYVIEW(dev_priv->dev)) {
@ -1118,8 +1113,6 @@ void intel_power_domains_fini(struct drm_i915_private *dev_priv)
* the power well is not enabled, so just enable it in case
* we're going to unload/reload. */
intel_display_set_init_power(dev_priv, true);
hsw_pwr = NULL;
}
static void intel_power_domains_resume(struct drm_i915_private *dev_priv)
@ -1328,52 +1321,3 @@ void intel_runtime_pm_enable(struct drm_i915_private *dev_priv)
pm_runtime_put_autosuspend(device);
}
/* Display audio driver power well request */
int i915_request_power_well(void)
{
struct drm_i915_private *dev_priv;
if (!hsw_pwr)
return -ENODEV;
dev_priv = container_of(hsw_pwr, struct drm_i915_private,
power_domains);
intel_display_power_get(dev_priv, POWER_DOMAIN_AUDIO);
return 0;
}
EXPORT_SYMBOL_GPL(i915_request_power_well);
/* Display audio driver power well release */
int i915_release_power_well(void)
{
struct drm_i915_private *dev_priv;
if (!hsw_pwr)
return -ENODEV;
dev_priv = container_of(hsw_pwr, struct drm_i915_private,
power_domains);
intel_display_power_put(dev_priv, POWER_DOMAIN_AUDIO);
return 0;
}
EXPORT_SYMBOL_GPL(i915_release_power_well);
/*
* Private interface for the audio driver to get CDCLK in kHz.
*
* Caller must request power well using i915_request_power_well() prior to
* making the call.
*/
int i915_get_cdclk_freq(void)
{
struct drm_i915_private *dev_priv;
if (!hsw_pwr)
return -ENODEV;
dev_priv = container_of(hsw_pwr, struct drm_i915_private,
power_domains);
return intel_ddi_get_cdclk_freq(dev_priv);
}
EXPORT_SYMBOL_GPL(i915_get_cdclk_freq);

38
include/drm/i915_component.h Normal file
View file

@ -0,0 +1,38 @@
/*
* Copyright © 2014 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef _I915_COMPONENT_H_
#define _I915_COMPONENT_H_
struct i915_audio_component {
struct device *dev;
const struct i915_audio_component_ops {
struct module *owner;
void (*get_power)(struct device *);
void (*put_power)(struct device *);
int (*get_cdclk_freq)(struct device *);
} *ops;
};
#endif /* _I915_COMPONENT_H_ */

37
include/drm/i915_powerwell.h
View file

@ -1,37 +0,0 @@
/**************************************************************************
*
* Copyright 2013 Intel Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*
**************************************************************************/
#ifndef _I915_POWERWELL_H_
#define _I915_POWERWELL_H_
/* For use by hda_i915 driver */
extern int i915_request_power_well(void);
extern int i915_release_power_well(void);
extern int i915_get_cdclk_freq(void);
#endif /* _I915_POWERWELL_H_ */

166
sound/pci/hda/hda_i915.c
View file

@ -18,10 +18,12 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/component.h>
#include <drm/i915_component.h>
#include <sound/core.h>
#include <drm/i915_powerwell.h>
#include "hda_priv.h"
#include "hda_i915.h"
#include "hda_intel.h"
/* Intel HSW/BDW display HDA controller Extended Mode registers.
* EM4 (M value) and EM5 (N Value) are used to convert CDClk (Core Display
@ -31,32 +33,33 @@
#define AZX_REG_EM4 0x100c
#define AZX_REG_EM5 0x1010
static int (*get_power)(void);
static int (*put_power)(void);
static int (*get_cdclk)(void);
int hda_display_power(bool enable)
int hda_display_power(struct hda_intel *hda, bool enable)
{
if (!get_power || !put_power)
struct i915_audio_component *acomp = &hda->audio_component;
if (!acomp->ops)
return -ENODEV;
pr_debug("HDA display power %s \n",
enable ? "Enable" : "Disable");
dev_dbg(&hda->chip.pci->dev, "display power %s\n",
enable ? "enable" : "disable");
if (enable)
return get_power();
acomp->ops->get_power(acomp->dev);
else
return put_power();
acomp->ops->put_power(acomp->dev);
return 0;
}
void haswell_set_bclk(struct azx *chip)
void haswell_set_bclk(struct hda_intel *hda)
{
int cdclk_freq;
unsigned int bclk_m, bclk_n;
struct i915_audio_component *acomp = &hda->audio_component;
if (!get_cdclk)
if (!acomp->ops)
return;
cdclk_freq = get_cdclk();
cdclk_freq = acomp->ops->get_cdclk_freq(acomp->dev);
switch (cdclk_freq) {
case 337500:
bclk_m = 16;
@ -80,51 +83,108 @@ void haswell_set_bclk(struct azx *chip)
break;
}
azx_writew(chip, EM4, bclk_m);
azx_writew(chip, EM5, bclk_n);
azx_writew(&hda->chip, EM4, bclk_m);
azx_writew(&hda->chip, EM5, bclk_n);
}
int hda_i915_init(void)
static int hda_component_master_bind(struct device *dev)
{
int err = 0;
struct snd_card *card = dev_get_drvdata(dev);
struct azx *chip = card->private_data;
struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
struct i915_audio_component *acomp = &hda->audio_component;
int ret;
get_power = symbol_request(i915_request_power_well);
if (!get_power) {
pr_warn("hda-i915: get_power symbol get fail\n");
return -ENODEV;
ret = component_bind_all(dev, acomp);
if (ret < 0)
return ret;
if (WARN_ON(!(acomp->dev && acomp->ops && acomp->ops->get_power &&
acomp->ops->put_power && acomp->ops->get_cdclk_freq))) {
ret = -EINVAL;
goto out_unbind;
}
put_power = symbol_request(i915_release_power_well);
if (!put_power) {
symbol_put(i915_request_power_well);
get_power = NULL;
return -ENODEV;
}
get_cdclk = symbol_request(i915_get_cdclk_freq);
if (!get_cdclk) /* may have abnormal BCLK and audio playback rate */
pr_warn("hda-i915: get_cdclk symbol get fail\n");
pr_debug("HDA driver get symbol successfully from i915 module\n");
return err;
}
int hda_i915_exit(void)
{
if (get_power) {
symbol_put(i915_request_power_well);
get_power = NULL;
}
if (put_power) {
symbol_put(i915_release_power_well);
put_power = NULL;
}
if (get_cdclk) {
symbol_put(i915_get_cdclk_freq);
get_cdclk = NULL;
/*
* Atm, we don't support dynamic unbinding initiated by the child
* component, so pin its containing module until we unbind.
*/
if (!try_module_get(acomp->ops->owner)) {
ret = -ENODEV;
goto out_unbind;
}
return 0;
out_unbind:
component_unbind_all(dev, acomp);
return ret;
}
static void hda_component_master_unbind(struct device *dev)
{
struct snd_card *card = dev_get_drvdata(dev);
struct azx *chip = card->private_data;
struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
struct i915_audio_component *acomp = &hda->audio_component;
module_put(acomp->ops->owner);
component_unbind_all(dev, acomp);
WARN_ON(acomp->ops || acomp->dev);
}
static const struct component_master_ops hda_component_master_ops = {
.bind = hda_component_master_bind,
.unbind = hda_component_master_unbind,
};
static int hda_component_master_match(struct device *dev, void *data)
{
/* i915 is the only supported component */
return !strcmp(dev->driver->name, "i915");
}
int hda_i915_init(struct hda_intel *hda)
{
struct component_match *match = NULL;
struct device *dev = &hda->chip.pci->dev;
struct i915_audio_component *acomp = &hda->audio_component;
int ret;
component_match_add(dev, &match, hda_component_master_match, hda);
ret = component_master_add_with_match(dev, &hda_component_master_ops,
match);
if (ret < 0)
goto out_err;
/*
* Atm, we don't support deferring the component binding, so make sure
* i915 is loaded and that the binding successfully completes.
*/
request_module("i915");
if (!acomp->ops) {
ret = -ENODEV;
goto out_master_del;
}
dev_dbg(dev, "bound to i915 component master\n");
return 0;
out_master_del:
component_master_del(dev, &hda_component_master_ops);
out_err:
dev_err(dev, "failed to add i915 component master (%d)\n", ret);
return ret;
}
int hda_i915_exit(struct hda_intel *hda)
{
struct device *dev = &hda->chip.pci->dev;
component_master_del(dev, &hda_component_master_ops);
return 0;
}

37
sound/pci/hda/hda_i915.h
View file

@ -1,37 +0,0 @@
/*
* 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.
*/
#ifndef __SOUND_HDA_I915_H
#define __SOUND_HDA_I915_H
#ifdef CONFIG_SND_HDA_I915
int hda_display_power(bool enable);
void haswell_set_bclk(struct azx *chip);
int hda_i915_init(void);
int hda_i915_exit(void);
#else
static inline int hda_display_power(bool enable) { return 0; }
static inline void haswell_set_bclk(struct azx *chip) { return; }
static inline int hda_i915_init(void)
{
return -ENODEV;
}
static inline int hda_i915_exit(void)
{
return 0;
}
#endif
#endif

60
sound/pci/hda/hda_intel.c
View file

@ -63,7 +63,7 @@
#include "hda_codec.h"
#include "hda_controller.h"
#include "hda_priv.h"
#include "hda_i915.h"
#include "hda_intel.h"
/* position fix mode */
enum {
@ -354,31 +354,6 @@ static char *driver_short_names[] = {
[AZX_DRIVER_GENERIC] = "HD-Audio Generic",
};
struct hda_intel {
struct azx chip;
/* for pending irqs */
struct work_struct irq_pending_work;
/* sync probing */
struct completion probe_wait;
struct work_struct probe_work;
/* card list (for power_save trigger) */
struct list_head list;
/* extra flags */
unsigned int irq_pending_warned:1;
/* VGA-switcheroo setup */
unsigned int use_vga_switcheroo:1;
unsigned int vga_switcheroo_registered:1;
unsigned int init_failed:1; /* delayed init failed */
/* secondary power domain for hdmi audio under vga device */
struct dev_pm_domain hdmi_pm_domain;
};
#ifdef CONFIG_X86
static void __mark_pages_wc(struct azx *chip, struct snd_dma_buffer *dmab, bool on)
{
@ -824,7 +799,7 @@ static int azx_suspend(struct device *dev)
if (chip->msi)
pci_disable_msi(chip->pci);
if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
hda_display_power(false);
hda_display_power(hda, false);
return 0;
}
@ -844,8 +819,8 @@ static int azx_resume(struct device *dev)
return 0;
if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
hda_display_power(true);
haswell_set_bclk(chip);
hda_display_power(hda, true);
haswell_set_bclk(hda);
}
if (chip->msi)
if (pci_enable_msi(pci) < 0)
@ -888,7 +863,7 @@ static int azx_runtime_suspend(struct device *dev)
azx_enter_link_reset(chip);
azx_clear_irq_pending(chip);
if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
hda_display_power(false);
hda_display_power(hda, false);
return 0;
}
@ -914,8 +889,8 @@ static int azx_runtime_resume(struct device *dev)
return 0;
if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
hda_display_power(true);
haswell_set_bclk(chip);
hda_display_power(hda, true);
haswell_set_bclk(hda);
}
/* Read STATESTS before controller reset */
@ -1136,8 +1111,8 @@ static int azx_free(struct azx *chip)
release_firmware(chip->fw);
#endif
if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
hda_display_power(false);
hda_i915_exit();
hda_display_power(hda, false);
hda_i915_exit(hda);
}
kfree(hda);
@ -1615,8 +1590,12 @@ static int azx_first_init(struct azx *chip)
/* initialize chip */
azx_init_pci(chip);
if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
haswell_set_bclk(chip);
if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
struct hda_intel *hda;
hda = container_of(chip, struct hda_intel, chip);
haswell_set_bclk(hda);
}
azx_init_chip(chip, (probe_only[dev] & 2) == 0);
@ -1896,13 +1875,10 @@ static int azx_probe_continue(struct azx *chip)
/* Request power well for Haswell HDA controller and codec */
if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
#ifdef CONFIG_SND_HDA_I915
err = hda_i915_init();
if (err < 0) {
dev_err(chip->card->dev,
"Error request power-well from i915\n");
err = hda_i915_init(hda);
if (err < 0)
goto out_free;
}
err = hda_display_power(true);
err = hda_display_power(hda, true);
if (err < 0) {
dev_err(chip->card->dev,
"Cannot turn on display power on i915\n");

71
sound/pci/hda/hda_intel.h Normal file
View file

@ -0,0 +1,71 @@
/*
* 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.
*/
#ifndef __SOUND_HDA_INTEL_H
#define __SOUND_HDA_INTEL_H
#include <drm/i915_component.h>
#include "hda_priv.h"
struct hda_intel {
struct azx chip;
/* for pending irqs */
struct work_struct irq_pending_work;
/* sync probing */
struct completion probe_wait;
struct work_struct probe_work;
/* card list (for power_save trigger) */
struct list_head list;
/* extra flags */
unsigned int irq_pending_warned:1;
/* VGA-switcheroo setup */
unsigned int use_vga_switcheroo:1;
unsigned int vga_switcheroo_registered:1;
unsigned int init_failed:1; /* delayed init failed */
/* secondary power domain for hdmi audio under vga device */
struct dev_pm_domain hdmi_pm_domain;
/* i915 component interface */
struct i915_audio_component audio_component;
};
#ifdef CONFIG_SND_HDA_I915
int hda_display_power(struct hda_intel *hda, bool enable);
void haswell_set_bclk(struct hda_intel *hda);
int hda_i915_init(struct hda_intel *hda);
int hda_i915_exit(struct hda_intel *hda);
#else
static inline int hda_display_power(struct hda_intel *hda, bool enable)
{
return 0;
}
static inline void haswell_set_bclk(struct hda_intel *hda) { return; }
static inline int hda_i915_init(struct hda_intel *hda)
{
return -ENODEV;
}
static inline int hda_i915_exit(struct hda_intel *hda)
{
return 0;
}
#endif
#endif