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d4b7b13e19
This is to check the refcount of audio driver and reduce calling to i915. Signed-off-by: Mengdong Lin <mengdong.lin@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __SOUND_HDA_INTEL_H
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#define __SOUND_HDA_INTEL_H
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#include <drm/i915_component.h>
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#include "hda_controller.h"
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struct hda_intel {
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struct azx chip;
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/* for pending irqs */
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struct work_struct irq_pending_work;
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/* sync probing */
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struct completion probe_wait;
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struct work_struct probe_work;
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/* card list (for power_save trigger) */
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struct list_head list;
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/* extra flags */
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unsigned int irq_pending_warned:1;
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unsigned int probe_continued:1;
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/* VGA-switcheroo setup */
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unsigned int use_vga_switcheroo:1;
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unsigned int vga_switcheroo_registered:1;
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unsigned int init_failed:1; /* delayed init failed */
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/* secondary power domain for hdmi audio under vga device */
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struct dev_pm_domain hdmi_pm_domain;
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/* i915 component interface */
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struct i915_audio_component audio_component;
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int i915_power_refcount;
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};
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#ifdef CONFIG_SND_HDA_I915
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int hda_display_power(struct hda_intel *hda, bool enable);
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void haswell_set_bclk(struct hda_intel *hda);
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int hda_i915_init(struct hda_intel *hda);
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int hda_i915_exit(struct hda_intel *hda);
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#else
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static inline int hda_display_power(struct hda_intel *hda, bool enable)
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{
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return 0;
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}
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static inline void haswell_set_bclk(struct hda_intel *hda) { return; }
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static inline int hda_i915_init(struct hda_intel *hda)
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{
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return -ENODEV;
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}
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static inline int hda_i915_exit(struct hda_intel *hda)
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{
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return 0;
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}
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#endif
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#endif
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