sound/pci/hda/hda_intel.h

   1 /*
   2  *  This program is free software; you can redistribute it and/or modify it
   3  *  under the terms of the GNU General Public License as published by the Free
   4  *  Software Foundation; either version 2 of the License, or (at your option)
   5  *  any later version.
   6  *
   7  *  This program is distributed in the hope that it will be useful, but WITHOUT
   8  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   9  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  10  *  more details.
  11  *
  12  *  You should have received a copy of the GNU General Public License along with
  13  *  this program; if not, write to the Free Software Foundation, Inc., 59
  14  *  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  15  */
  16 #ifndef __SOUND_HDA_INTEL_H
  17 #define __SOUND_HDA_INTEL_H
  18
  19 #include <drm/i915_component.h>
  20 #include "hda_controller.h"
  21
  22 struct hda_intel {
  23         struct azx chip;
  24
  25         /* for pending irqs */
  26         struct work_struct irq_pending_work;
  27
  28         /* sync probing */
  29         struct completion probe_wait;
  30         struct work_struct probe_work;
  31
  32         /* card list (for power_save trigger) */
  33         struct list_head list;
  34
  35         /* extra flags */
  36         unsigned int irq_pending_warned:1;
  37
  38         /* VGA-switcheroo setup */
  39         unsigned int use_vga_switcheroo:1;
  40         unsigned int vga_switcheroo_registered:1;
  41         unsigned int init_failed:1; /* delayed init failed */
  42
  43         /* secondary power domain for hdmi audio under vga device */
  44         struct dev_pm_domain hdmi_pm_domain;
  45
  46         /* i915 component interface */
  47         struct i915_audio_component audio_component;
  48 };
  49
  50 #ifdef CONFIG_SND_HDA_I915
  51 int hda_display_power(struct hda_intel *hda, bool enable);
  52 void haswell_set_bclk(struct hda_intel *hda);
  53 int hda_i915_init(struct hda_intel *hda);
  54 int hda_i915_exit(struct hda_intel *hda);
  55 #else
  56 static inline int hda_display_power(struct hda_intel *hda, bool enable)
  57 {
  58         return 0;
  59 }
  60 static inline void haswell_set_bclk(struct hda_intel *hda) { return; }
  61 static inline int hda_i915_init(struct hda_intel *hda)
  62 {
  63         return -ENODEV;
  64 }
  65 static inline int hda_i915_exit(struct hda_intel *hda)
  66 {
  67         return 0;
  68 }
  69 #endif
  70
  71 #endif