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 72