1 files changed, 67 insertions, 0 deletions

diff --git a/sound/pci/ctxfi/ctmixer.h b/sound/pci/ctxfi/ctmixer.h
new file mode 100644
index 000000000000..e2d96ebde746
--- /dev/null
+++ b/sound/pci/ctxfi/ctmixer.h
@@ -0,0 +1,67 @@
+/**
+ * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
+ *
+ * This source file is released under GPL v2 license (no other versions).
+ * See the COPYING file included in the main directory of this source
+ * distribution for the license terms and conditions.
+ *
+ * @File        ctmixer.h
+ *
+ * @Brief
+ * This file contains the definition of the mixer device functions.
+ *
+ * @Author      Liu Chun
+ * @Date        Mar 28 2008
+ *
+ */
+
+#ifndef CTMIXER_H
+#define CTMIXER_H
+
+#include "ctatc.h"
+#include "ctresource.h"
+
+#define INIT_VOL        0x1c00
+
+enum MIXER_PORT_T {
+        MIX_WAVE_FRONT,
+        MIX_WAVE_REAR,
+        MIX_WAVE_CENTLFE,
+        MIX_WAVE_SURROUND,
+        MIX_SPDIF_OUT,
+        MIX_PCMO_FRONT,
+        MIX_MIC_IN,
+        MIX_LINE_IN,
+        MIX_SPDIF_IN,
+        MIX_PCMI_FRONT,
+        MIX_PCMI_REAR,
+        MIX_PCMI_CENTLFE,
+        MIX_PCMI_SURROUND,
+
+        NUM_MIX_PORTS
+};
+
+/* alsa mixer descriptor */
+struct ct_mixer {
+        struct ct_atc *atc;
+
+        void **amixers;         /* amixer resources for volume control */
+        void **sums;            /* sum resources for signal collection */
+        unsigned int switch_state; /* A bit-map to indicate state of switches */
+
+        int (*get_output_ports)(struct ct_mixer *mixer, enum MIXER_PORT_T type,
+                                  struct rsc **rleft, struct rsc **rright);
+
+        int (*set_input_left)(struct ct_mixer *mixer,
+                              enum MIXER_PORT_T type, struct rsc *rsc);
+        int (*set_input_right)(struct ct_mixer *mixer,
+                               enum MIXER_PORT_T type, struct rsc *rsc);
+};
+
+int ct_alsa_mix_create(struct ct_atc *atc,
+                       enum CTALSADEVS device,
+                       const char *device_name);
+int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer);
+int ct_mixer_destroy(struct ct_mixer *mixer);
+
+#endif /* CTMIXER_H */